Full Prof. Richard Kwasi Amankwah

  1.  

ACADEMIC DEGREES EARNED

  1. PhD, Biohydrometallurgy (Queen's University), 2005
  2. MPhil, Metallurgical Engineering (KNUST), 1993
  3. BSc(Hons), Metallurgical Engineering (KNUST), 1989
  4. Advanced Level, 1984
  5. Ordinary Level, 1982

 

INSTITUTIONS ATTENDED

  1. Queen's University, (2001 - 2005)
  2. Kwame Nkrumah University of Science and Technology, (1991 - 1993)
  3. Kwame Nkrumah University of Science and Technology, (1985 - 1989)
  4. Opoku-Ware Secondary School, Kumasi, Ghana, (1982 - 1984)
  5. Technology Secondary School, Kumasi, Ghana, (1977 - 1982)

 

PROFESSIONAL BODY MEMBERSHIP

  1. Fellow, West African Institute of Mining and Metallurgy
  2. Member, Ghana Institution of Engineers, (2008 - Date)
  3. Member, Society for Mining, Metallurgical and Petroleum Engineers, USA, (1997 - Date)

 

AWARDS

  1. Lecturer Icon of the year 2017, an award given by the Students Representative Council, UMaT, Tarkwa, Ghana
  2. Lecturer Icon of the year 2011, an award given by the Students Representative Council, UMaT, Tarkwa, Ghana, 2011
  3. Ontario Graduate Scholar, 2003
  4. Paul Chick Award (a promising graduate student in Queen's Mining) 2001-2004, 2001
  5. Queen's Graduate Excellence Award 2001-2004, 2001
  6. Ghana Government Scholarship, 2001

 

ACADEMIC RANKS HELD

  1. Professor (2011 - Date)
  2. Associate Professor (2006 - 2011)
  3. Senior Lecturer (1999 - 2006)
  4. Lecturer (1993 - 1999)

 

SUBJECTS TAUGHT

  1. Hydrometallurgy
  2. Plant Design
  3. Assaying and Metallurgical Testing
  4. Biotechnology in Minerals Extraction

 

SUPERVISION OF STUDENTS PROJECT WORK/THESIS/RESEARCH

  1. 30 Postgraduate Project Thesis, (MSc/MPhil)
  2. 130 Undergraduate Project Works, (BSc)

 

OTHER PROFESSIONALLY RELATED EXPERIENCE

  1. Member - National Vetting Committee for Small-scale miners set up by the Inter-Ministerial Committee on Illegal Mining
  2. Lead Country Researcher - United Nations project on Women in Artisanal and Small-scale in Africa Project.
  3. Investigator - International Growth Centre, UK, research project on ‘Informalisation’ of Ghana’s Small-Scale Gold Mining Economy: Drivers and Policy Implications.
  4. Consultant - World Bank Project, 'Poverty and Social Impact Analysis of the Artisanal and Small Scale Mining Sector in Ghana' spearheaded by Oxford Policy Management Group.
  5. Principal Investigator - British Council project on Artisanal Mining, Small-holder Farming and Economic Development.
  6. Co-Principal Investigator - National Science Foundation (USA) funded project "Climatic extremes, mining and Mycobacterium ulcerans- a coupled systems perspective".   
  7. Metallurgical consultant - European Union's Ghana Mercury Abatement Project.
  8. Visiting Professor - Jomo Kenyatta University of Agriclture and Technology, Nairibi, Kenya
  9. Visiting Professor - African University of Science and Technology, Abuja
  10. Visiting Professor - International Institute for Water and Environmental Engineering (2ie), Ouagadougou, Burkina Faso
  11. Visiting Scholar - Mining Engineering Department at Queen's University, Kingston, Canada
  12. Lead Consultant: Flotation studies towards the development of a biooxidation plant at Adamus Resources Ltd, (2019).
  13. Lead Consultant: Auditing of the metallurgical laboratory at Nordgold Mine, LEFA, Guinea (2018).
  14. Lead Consultant: Geometallurgical mapping of mining blocks, Golden Star Resources, Wassa Mine (2018).
  15. Lead Consultant: Metallurgical investigations on Transition Stockpile material, AngloGold Ashanti Siguiri Mine.
  16. Lead Consultant: Selection of a suitable flotation sequence and reagent consumption for the refractory ore from Ayamfuri, Perseus Mining Ghana Ltd (2018).
  17. Lead Consultant: Selection of a suitable depressant for the Fetish Carbonaceous Refractory Ore, Perseus Mining Ghana Ltd (2018).  
  18. Lead Consultant: Determination of the comminution behaviour of rocks from the Asankragwa Belt, Asanko Gold Ltd (2018).
  19. Lead Consultant: Analysis of comminution circuit survey samples, Damang Mine of Gold Fields Ghana Ltd (2018).
  20. Lead Consultant: Metallurgical investigations on ores from the Zamfara Area, Nigeria (2018).
  21. Lead Consultant: Comparative study of gold leaching using Jinchan, Jinfu and Cyanide (2018).
  22. Lead Consultant: Assessment of spent heaps resource, Perseus Mining Ghana Ltd (2018).
  23. Lead Consultant: Mine profiling of the Badukrom ore deposit, Gold Fields Ghana Ltd (2018).
  24. Lead Consultant: Flotation, pretreatment and cyanide amenability of Beta-Boundary Refractory Gold Ores, Golden Star Prestea-Bogoso Resources (2018).
  25. Lead Consultant: Metallurgical investigations on ores from the Siguiri Mine of AngloGold Ashanti, Guinea (2017).
  26. Lead Consultant: Metallurgical investigations on the Akrokerri Property of Gold Stone Resources (2017).
  27. Lead Consultant: Metallurgical investigations on ores from the Damang Cut-back Project, Gold Fields Ghana Ltd (2017).
  28. Lead Consultant: Training programme in Gold Processing Technology for plant workers from Siguiri (Guinea), Semos SA (Mali) and North Crest (Cote de Ivoire) (2017).
  29. Lead Consultant: Ascertaining the acid drainage potential of Kobada, Gold Fields Ghana Ltd (2017).
  30. Lead Consultant: Cyanide amenability and reagents consumption studies of the Kobada ore, Gold Fields Ghana Ltd (2017).
  31. Lead Consultant: Gravity recoverable gold, cyanide amenability and reagents consumption studies of the Siguiri ore, AngloGold Ashanti Siguiri Mine, Guinea (2017).
  32. Lead Consultant: Estimation of Bond work and abrasive indices of Asanko ore, Asanko Gold Ltd (2016).
  33. Lead Consultant: Geometallurgical mapping of mining pits, AngloGold Ashanti Iduapriem Ltd (2016).
  34. Lead Consultant: Studies on gravity recoverable gold, leaching kinetics and reagents consumption of the Kobada ore body, Gold Fields Ghana Ltd (2016).
  35. Lead Consultant: Quality assessment of metallic balls, Asanko Gold Ltd and Tarkwa Mine of Gold Fields Ghana Ltd (2016).
  36. Lead Consultant: North heaps resource estimation, Tarkwa Mine of Gold Fields Ghana Ltd (2015).
  37. Lead Consultant: Leach extension and improved recovery project, Iduapriem Mine of AngloGold Ashanti (2015).
  38. Lead Consultant: Ascertaining the Acid Mine Drainage (AMD) potential of Adamus, Bokrobo and Aliva pits, Adamus Resources (2015).
  39. Lead Consultant: Gold recovery improvement studies, Newmont Gold Ghana Ltd (2014).
  40. Lead Consultant: Assessing the oxygen requirements for enhanced gold extraction kinetics, Tarkwa Mine of Gold Fields Ghana Ltd (2014).
  41. Lead Consultant: Metallurgical audit of the carbon-in-leach plant of the Tarkwa Mine of Gold Fields Ghana Ltd (2014).
  42. Lead Consultant: Heterogeneity studies on the ore from Adansi property, Asanko Gold Resources (2013).
  43. Lead Consultant: Gravity gold recovery and cyanide amenability studies on Pampe phylite and carbonate ores from Bogoso mine of Golden Star Prestea-Bogoso Resources (2013).
  44. Lead Consultant: Gravity gold recovery and cyanide amenability studies on CIL feed at Iduapriem Mine of AngloGold Ashanti (2013).
  45. Lead Consultant: Comparative study of gold leaching using cyanide and Jinchan gold dressing agent (2013).
  46. Lead Consultant: Optimisation of High Pressure Grinding Rolls (HPGRs) at the Tarkwa Mine of Gold Fields Ghana Ltd (2012).
  47. Lead Consultant: Ascertaining the acid rock generating potential at Ajopa, Iduapriem Mine of AngloGold Ashanti Ltd (2012).
  48. Lead Consultant: Metallurgical audit of the CIL plant at Tarkwa Mine of Gold Fields Ghana Ltd (2011).
  49. Lead Consultant: CIL agitation study at the Wassa Mine of Golden Star Prestea Bogoso Resources Ltd (2011).
  50. Lead Consultant: Optimisation of cyanide and oxygen usage on the CIL plant, Iduapriem Mine of AngloGold Ashanti Ltd (2011).
  51. Lead Consultant: Tracking the source and mitigation of thiocyanate in the CIL circuit, Iduapriem Mine of AngloGold Ashanti Ltd (2011).
  52. Lead Consultant: Geometallurgical investigations of different ores and plant modifications required for processing 100% fresh ore, Wassa Mine of Golden Star Resources Ltd (2011).
  53. Lead Consultant: South heaps resource estimation, Tarkwa Mine, Gold Fields Ghana Ltd (2010).
  54. Course Director: Short course on "Metallurgical Plant Operations and Control" organised for Plant Operators, Foremen and Supervisors from AngloGold Ashanti, Perseus Mine, Gold Fields Ghana and Golden Star Resources (2008 - 2018).
  55. Lead Trainer; Safety Awareness Course for Safety Representatives of Societe Generale de Surveillance (SGS), Ghana (2008).
  56. Lead author of a paper adjudged one of the key articles in the Journal of  Mineral Processing and Extractive Metallurgy, IMM, Transactions C, 2010
  57. Lead author of a paper that was adjudged one of the Minerals Engineering Journal’s Top 25 Hottest Articles by ScienceDirect publishers, 2005
  58. Lead author of a paper that was adjudged one of the Resources Policy Journal’s Top 25 Hottest Articles by Science Direct publishers.
  59. Chief Executive Officer, Process Innovations (mineral and architectural consulting firm)
  60. Course Director, Metallugical Plant Operations and Control/Gold Plant Laboratory Operations
  61. Member of a team that developed a strategic plan for the Africa-US Network of Centers of Excellence in Water and Environmental Science and Technology under the auspices of USAID. This plan led to the release of a grant worth $7.0 million by the USAID for development of Centers of Excellence in Environmental Engineering in three sister educational institutions in West Africa.
     

RESEARCH CONDUCTED

  1. Gold plant and operations under conditions of metal price, grade and grindability uncertainties (2018 - date)

  2. Women in artisanal and small-scale mining (2015 - date)

  3. Water quality studies in the buruli ulcer endemic and non-endemic areas along the Offin River (2015 - date)

  4. An inventory of the the metal sorption capabilities of common plants in Ghanaian wetlands (2008 - date)
  5. Development of a new retort for small-scale gold operations (2008 - 2014)
  6. Bore and well water quality studies in the Tarkwa municipality (2008 - 2014)
  7. Mercury pollution abatement in Small-scale gold operations (2006 - 2008)
  8. Sequestration of carbon dioxide on serpentine (2005 - 2008)
  9. Microwaves in extractive metallurgy (2003 - date)
  10. Biosorption of heavy metals from waste water (2003 - date)
  11. Strategies for sustainable development of the small-scale gold and diamond mining industry (2001 - 2006)
  12. Destruction of carbonaceous matter in double refractory gold ores by Streptomyces setonii 
  13. Strength augmentation of grinding discs used in small-scale gold mining operations
  14. Artisanal Mining, Small-holder Farming and Economic Development (funded by the British Council) 
  15. Research and education on Buruli ulcer-"Climatic Extremes, Mining, and Mycobacterium ulcerans: A Coupled Systems Perspective" (funded by the National Science Foundation, USA) 

 

JOURNAL PUBLICATIONS

  1. Adzigbli, A E, Ofori-Sarpong, G and Amankwah, R K (2018), “Water Washing of Fungal-treated Carbonaceous Ores: Effect on Aurocyanide
    Adsorption by Activated Carbon in CIL Circuit. Ghana Mining Journal. 18, 1, 65-71.
  2. Hausermann, H, Ferring, D, Atosona, B, Mentz, G, Amankwah, R, Chang, A, Hartfield, K, Effah E, Asuamah, G Y, Mansell, C and Sastri, N (2018). Land-grabbing, land-use transformation and social differentiation: Deconstructing ‘‘small-scale” in Ghana’s recent gold rush. World Development, 108, 103-114.
  3. Amankwah, R K, Adjei, D K and Ofori-Sarpong, G (2017), “Breaking the Wall of ASM Mercury Pollution: The Lantern Retort”, In: Proceedings of the SME Annual Meeting, Feb. 19 - 22, 2017, Denver, CO, Preprint 17-018 (1-4).
  4. Amenya, F, Ofori-Sarpong, G, Anni, V and Amankwah, R K (2017), “Preg-robbing of Gold by Carbonaceous Materials Encountered in Gold
    Processing Ghana Mining Journal. 17, 2, 50-55.
  5. Ofori-Sarpong, G, Adjei, D K and Amankwah, R K (2017), “Fungal-transformation of surrogate sulphides and carbonaceous matter in
    refractory gold ores: Revisited. Ghana Mining Journal. 17, 2, 56-65.
  6. Amorin, R, Dosunmu, A and Amankwah, R (2017), “Local Plant Seed Oils Esters: The Frontier of Geothermal Drilling Applications – A Review. Ghana Journal of Technology, 1, 2, 62 - 72.
  7. Ofori-Sarpong, G, Asamoah, R K Gordon, J J K and Amankwah R K (2016), “Metal Sorption Capabilities of Two Common Plants in Tropical Wetlands - Bambusa vulgaris and Raffia bambusa”, Ghana Mining Journal, 16, 2, 73-80.
  8. Osei, R, Abaka-Wood, G B, Ofori-Sarpong, G, and Amankwah R K (2016), “Siltation of Ore Particles in Leaching Tanks: Causative Factors and Mitigation Measures, Ghana Mining Journal, 16, 2, 51-57. 
  9. Amorin, R, Dosunmu, A and Amankwah, R K (2016), "Enhancing the stability of local vegetable oils (esters) for high geothermal drilling application" , Journal of Petroleum and Gas Engineering, DOI: 10.5897/JPGE2015.0215, Article Number: 619B93755047.
  10. Amorin, R, Dosumnu, A and Amankwah, R K (2015), “Economic viability of the use of pseudo-oils for drilling fluid formulation”, Ghana Mining Journal, 15, 2, 81-86.
  11. Abbey, C E, Nartey, R S, Al-Hassan, S and Amankwah, R K (2014), “Direct smelting of gold concentrates, a safer alternative to mercury amalgamation in small-scale gold mining operations”,  American International Journal of Research in Science, Technology, Engineering and Mathematics, 7, 174-179.
  12. Amankwah, R K and Ofori-Sarpong, G (2014), “A lantern retort for small-scale gold extraction”, International Journal of Environmental Protection and Policy, 2(5), 161-167.
  13. Mantey, S, Amankwah R K and Duker, AA (2014), “Spatial dependency of Buruli ulcer on potential surface runoff and potential maximum soil water retention”, International Journal of Research in Medical and Health Sciences, 3, 5.
  14. Mantey, S, Gawu, S K Y, Amankwah, R K and Duker, AA (2014), “Spatial Dependency of Buruli Ulcer Disease on Geological Settings in Ghana”, International Journal of Science and Research, 3, 9, 1714-1725.
  15. Ofori-Sarpong, G., Abbey, C E, Asamoah, R K and Amankwah, R K (2014), “Bauxite Enrichment by Microwave-Magnetising Roasting Using Sawdust as Reducing Agent”, American Journal of Chemical Engineering, 2, 5, 59-64.
  16. Hilson, G, Amankwah, R and Ofori-Sarpong, G (2013), “Going for Gold:  Transitional Livelihoods in Northern Ghana”, Journal of Modern African Studies, 51 (1), 109-137.
  17. Ofori-Sarpong, G, Amankwah, R K, and Osseo-Asare, K (2013), “Reduction of preg-robbing by biomodified carbonaceous matter – A proposed mechanism”, Minerals Engineering 42, 29 -35.
  18. Ofori-Sarpong, G, Osei, K and Amankwah, R K (2013), “Ascertaining the acid rock drainage potential of a mineral concession in south-western Ghana”, International Journal of Environmental Monitoring and Analysis, 1(1), 34-39.
  19. Hausermann, H, Tschakert, P, Smithwick, E A H, Ferring, D, Amankwah, R, Klutse, E, Hagarty, J, and Kromel, L (2012), “Contours of Risk: Spatialising Human Behaviors to Understand Disease Dynamics in Changing Landscapes”, EcoHealth, DOI: 10.1007/s10393-012-0780-8.
  20. Addae, C and Amankwah R K (2011), “Myths and superstitions in the small scale gold mining industry of Ghana”, Research Journal of Environmental and Earth Sciences, 3(3), 249-253.
  21. Amankwah, R K and Ofori-Sarpong, G (2011), “Microwave heating of gold ores for enhanced grindability and cyanide amenability”, Minerals Engineering, 24(6), 541-544.
  22. Ofori-Sarpong, G, Amankwah, R K (2011), “Comminution environment and gold particle morphology: Effects on gravity concentration”, Minerals Engineering, 24(6), 590-592.
  23. Amankwah, R K, Al Hassan, S and Nartey, R S and Ofori-Sarpong, G (2010), “The effect of comminution equipment on gravity gold recovery in small-scale mining operations”, International Journal of Environment and Pollution, 41 (3/4), 316-325.
  24. Amankwah, R K, Styles, M T, Al Hassan, S and Nartey, R S (2010), “The application of direct smelting of gold concentrates as an alternative to mercury amalgamation in small-scale gold mining operations”, International Journal of Environment and Pollution, 41 (3/4), 304-315.
  25. Quansah, I F and Amankwah, R K (2010), “Bore and well water quality studies in the Tarkwa-Nsuaem municipality and Prestea-Huni-valley District”, Ghana Mining Journal, 12, 49-57.
  26. Styles, M T, Amankwah, R K, Al Hassan, S and Nartey, R S, (2010), “The identification and testing of a method for mercury-free gold processing for artisanal and small-scale gold miners in Ghana”, International Journal of Environment and Pollution, 41(3/4), 289-303.
  27. Amankwah, R K and Pickles, C A (2009), “Microwave Roasting of a Carbonaceous Sulphidic Gold Concentrate”, Minerals Engineering, 22(13), 1095-1101.
  28. Amankwah, R K and Pickles, C A (2009), “Thermodynamic, thermogravimetric and permittivity studies of hausmannite (Mn3O4) in air”, Journal of Thermal Analysis and Calorimetry, 98, 849–853.
  29. Amankwah, R K and Anim-Sackey, C (2007), “Fostering cooperation between small- and large-scale gold miners in West Africa”, Hilson, G M (Ed), Practical Action Publications, Rugby, 67-73.
  30. Amankwah, R K and Buah, W K (2007), “Gold recovery from waste activated carbon - a comparison between mechano-chemical pretreatment and charcoal augmented oxidation”, CIM Bulletin, 100 (1102), paper 16, 4 pp.
  31. Amankwah, R K and Ofori-Sarpong, G (2007), “Utilisation of microwave energy in the calcination and agglomeration of Nsuta manganese carbonate ore”, Ghana Mining Journal, Vol 9, 44-52.
  32. Amankwah, R K and Anim-Sackey, C (2004), “Promoting cooperation between small- and large-scale mining companies in Ghana”, Mining Magazine, April 2004, 36-39.
  33. Amankwah, R K and Pickles, C A (2005), “Microwave calcination and sintering of manganese carbonate ore”, Canadian Metallurgical Quarterly, 44(2), 239-248.
  34. Amankwah, R K and Yen, W T (2005), “Biosorption of Pb2+ and Cu2+ from a binary metal system by Streptomyces viridosporus”, Ghana Mining Journal, 8, 1-5.
  35. Amankwah, R K, Khan, A U, Pickles, C A and Yen, W T (2005), “Improved grindability and gold liberation by microwave pretreatment of a free-milling gold ore”, Mineral Processing and Extractive Metallurgy, IMM, Transactions C, 114, C30-C36.
  36. Amankwah, R K, Pickles, C A and Yen, W T (2005), “Gold recovery by microwave augmented ashing of waste activated carbon”, Minerals Engineering, 18, 517-526.
  37. Amankwah, R K, Yen, W T and Ramsay, J (2005), “A two-stage bacterial pretreatment process for double refractory gold ores”, Minerals Engineering, 18, 103-108.
  38. Anim-Sackey, C and Amankwah, R K (2005), “Mining companies and their host communities – towards a better relationship”, Ghana Mining Journal, 8, 44-52.
  39. Amankwah, R K and Anim-Sackey, C (2003), “Some developments in the small-scale mining of precious minerals in Ghana,” Ghana Mining Journal, 7, 38-45.
  40. Amankwah, R K and Anim-Sackey, C (2003), “Strategies for the sustainable development of the small-scale gold and diamond mining industry of Ghana”, Resources Policy, 29(3-4), 131-138.
  41. Amankwah, R K and Suglo, R S (2003), “The trend of gold mining in Ghana”, Ghana Mining Journal, 7, 21 - 26.
  42. Amankwah, R K, Wiafe, J and Asante, B (1999), “Production and quality assessment of manganese nodules from low grade Nsuta manganese carbonate ore”, Ghana Mining Journal, 5, 70 - 74.
  43. Buah, W K, Ndur, S A, Amankwah, R K (1999), “Some aspects of gold liberation from auriferrous ores”, Ghana Mining Journal, 5, 59 - 62.
  44. Amankwah, R K and Asiam, E K (1996), “Recovery of gold from waste activated carbon”, Minerals and Metallurgical Processing, 13(3), 131 – 134.

 

CONFERENCE PUBLICATIONS

  1. Aduah M S and Amankwah R K (2018), “Impacts of Potential Future Surface Mining on the Hydrology of the Neung Forest sub-Catchment, Bonsa Catchment, Ghana”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  2. Amoah, M B, Varris, P, Amankwah, R K, Tetteh, H N (2018), “The Future Mine Model - Exploring Potential Opportunities and Challenges in Ghana”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  3. Eme, P, Alhassan, S and Amankwah R K (2018), “Powder Factor Selection for Comminution Circuit Performance Improvement at AngloGold Ashanti Iduapriem Limited”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  4. Ali, E I, Osei R, Ofori-Sarpong G and Amankwah R K (2018), “Assessing the Combined Effect of White Rot Fungi on Bioleaching of Gold from refractory Gold Ores”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  5. Banson, A K, Amankwah, R K, Asiam, E K and Ndur, S A (2018), “Hydrogeochemistry and Arsenic Distribution in Groundwater of Obuasi Municipality”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  6. Banson, A K, Amankwah, R K and Ndur, S A (2018), “Surface Water and Groundwater Characteristics of the Obuasi Municipality”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  7. Banson, A K, Amankwah, R K, Asiam, E K and Ndur, S A (2018), “Geochemical Water Dynamics and Arsenic Distribution in Surface Water and Groundwater of Obuasi Municipality”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  8. Boateng, F and Amankwah, R K (2018), “Fiduciary Responsibility of Gold Mining Companies to Stakeholders: The Case of Ghana Mining Industry”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  9. Orleans-Boham, H and Amankwah, R K (2018), “Characterization of Baked Clays Used to Satisfy Pica Habit of Pregnant Women”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  10. Saim, A. K, Ntiri-Bekoh, R, Orleans-Boham, H, Amankwah, R K (2018), “Phytoremediation of cyanide by Alocasia macrorrhizos (giant taro)”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  11. Isa, S A, Agorhom, E A and Amankwah, R K (2018), “Metal ion Contamination in Roselle Calyx Juice (“Sobolo”) and its Health effect, Preparation methods and Mitigation strategies”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  12. Isa, S A, Hammond, A and Amankwah, R K (2018), “Metal ion Contamination in Local Brewing of Akpetetshie - A Preliminary Investigation”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  13. Opafunso, Z, Arthur, C K and Amankwah, R K (2018), “Future Mining: Prospects and Challenges”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  14. Orleans-Boham, H, Sakyi-Addo, G B, Tahiru, A and Amankwah, R K (2018), “Effects of the Ban on Small Scale Mining on Women in Mining”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  15. Ganiyu, B, Adam, M and Amankwah, R K (2018), “Characteristics of Oily Wastewater in Ghana”, Proceedings of the 5th UMaT Biennial International Mining and Mineral Conference.
  16. Kwesi, E A A, Awuah-Offei, K, Amankwah, R K, and Duker A A (2017), “The effects of mineral rights and mining activities on municipal waste management in mining communities – Case study in Tarkwa, Ghana”, SME Annual Meeting and Expo, Colorado Convention Centre, Denver, Colorado, 19 – 22 February, 2017.
  17. Kinyua, E M, Amankwah, R K and Tetteh, G M (2016), “Geometallurgy of Hydrothermal Gold Ores – A Case Study”, 4th UMaT Biennial International Mining and Mineral Conference, pp M246 – 252.
  18. Warden, J E, Tetteh, G M and Amankwah, R K (2016), “Mineralogy and its Effect on Metallurgical Characteristics of Tarkwaian Conglomerate Ores”, 4th UMaT Biennial International Mining and Mineral Conference, pp M228 – 234.
  19. Beyuo, M, Abaka-Wood, G B, Asamoah, R K, Kabenlah A and Amankwah, R K (2016), “A Comparative Study of Sodium Cyanide and JinchanTM Gold Leaching Reagents: A Case Study at Goldfields Ghana Limited”, 4th UMaT Biennial International Mining and Mineral Conference, M195 – 199.
  20. Adam, A S, Ofori-Sarpong, G and Amankwah, R K (2016), “Assessing the challenges in the extraction of gold from bacterial-treated double-refractory concentrate”, 4th UMaT Biennial International Mining and Mineral Conference,    pp M217 – 227.
  21. Osei, R, Abaka-Wood, G B, Ofori-Sarpong, G and Amankwah, R K (2016), “Siltation of Ore Particles in Leaching Tanks: Causative Factors and Mitigation Measures”, 4th UMaT Biennial International Mining and Mineral Conference, pp 253 - 260.
  22. Abbey, C E, Akambonga, J A and Amankwah, R K (2016), “Removal of Excess Fluoride from Drinking Water using Untreated Bauxite”, 4th UMaT Biennial International Mining and Mineral Conference, pp ES80 – 86.
  23. Poku A B and Amankwah R K (2016), “Effects of sunlight, humidity and temperature on the degradation of cyanide”, 4th UMaT Biennial International Conference, pp ES106-109.
  24. Yeboah D N Y and Amankwah, R K (2016), “Determining the oxygen requirements of a carbon-in-leach plant”,  4th UMaT Biennial International Conference, pp M274-277.
  25. Ofori-Amanfo, P, Amankwah R K, Affam M, Nartey, R S and Acquah J (2014), “Heterogeneity studies of Prestea underground West Reef”, 3rd Biennial UMaT International Mining and Mineral Conference, 16-23.
  26. Asamoah, R K, Amankwah, R K and Addai-Mensah, J (2014), “Cyanidation of refractory gold ores: A Review”, 3rd UMaT Biennial International Mining and Mineral Conference, 204-212.
  27. Asamoah, R K, Zanin, M, Amankwah, R K, Skinner, W and Addai-Mensah, J (2014), “Characterisation of tectonic refractory gold ore”, CHEMECA 2014: Sept 28 – Oct 2014, Perth, Western Australia Paper No.: Chemeca 2014/1104.
  28. Adam, M, Asamoah, R K, Ofori-Sarpong, G and Amankwah, R K (2014), “Preg-robbing characteristics of gold ores in Ghana”, 3rd UMaT Biennial International Mining and Mineral Conference, 192–196.
  29. Adjei, D K, Ofori-Sarpong, G and Amankwah, R K (2014), “Effect of distillation length on the performance of lantern retort”, 3rd UMaT Biennial International Mining and Mineral Conference, 197-203.
  30. Affam, F, Affam, M and Amankwah R K (2014), “Assessing the contribution of small- scale mining of gold to poverty reduction in Ghana”, 3rd UMaT Biennial International Mining and Mineral Conference, 623-634.
  31. Amankwah, R K, Hilson, G, and Ofori-Sarpong, G (2013), “Wealth creation and livelihoods in mineral rich rural communities in Ghana”, Conference on “The Future of Small-Scale Mining in Sub-Saharan Africa: Critical Perspectives”, Preprint No. 2.
  32. Amankwah, R K,Hilson, G, and Ofori-Sarpong, G (2013), “Gold, Subsistence Agriculture and Transitional Livelihoods in Northern Ghana”, Conference on “The Future of Small-Scale Mining in Sub-Saharan Africa: Critical Perspectives”, Preprint No. 3.
  33. Ofori-Sarpong, G, Amankwah, R K and Osseo-Asare, K (2012), “Attenuation of aurocyanide adsorption by biomodified carbons: Elucidating the mechanism of fungal biomodification”, 2nd UMaT Biennial International Mining and Mineral Conference,    pp. 228-241.
  34. Aggrey, S and Amankwah, R K (2012), “Degradation of free cyanide using the actinomycete Streptomyces viridosporus”, 2nd UMaT Biennial International Mining and Mineral Conference, pp. 531 – 536.
  35. Ali, M and Amankwah, R K (2012), “Recovery of ‘Nsutite’ from tailings material of Ghana Manganese Company”, Nsuta. 2nd UMaT Biennial International Mining and Mineral Conference, Vol. 12, pp. 213 - 219.
  36. Asamoah, R K, Ofori-Sarpong, G and Amankwah, R K (2012), “Biosorption of heavy metals from wastewater using Bambusa Vulgaris (Bamboo)”, 2nd UMaT Biennial International Mining and Mineral Conference, pp.56-61.
  37. Deschênes, G, Fleming, C, Zhou, J, Hodouin, D, Amankwah, R, Ghali, E and Choi, Y (2012), “Highlights of the past five decades of gold ore processing in Canada”, The Canadian Metallurgical and Materials Landscape 1960-2011, 201-217.
  38. Forbah Jnr, J Y and Amankwah, R K (2012), “Effects of rock fragmentation on rock strength and comminution circuit performance”, 2nd UMaT Biennial International Mining and Mineral Conference, pp. 198 – 205.
  39. Hausermann, H, Tschakert, P, Amankwah, R K, Gawu, S, Hagarty, J, Klutse, E, Nyame, F, Oppong, J, Parker, E, Singha, K, Smithwick, E, Voegborlo, R, Ward, A (2011), “Complex systems approach to understanding Buruli ulcer in central Ghana”, Presented at the WHO Annual Meeting, Geneva, 28-30th March, Environment and Transmission, Preprint No 8.
  40. Afidenyo, J K, Yen, W T, Amankwah, R K and Ramsay, J A (2010), “Suppression of preg-robbing activity in carbonaceous gold ores by the fungus Trametes versicolor”, Proceedings of the 1stUMaT International Mining and Mineral Conference, 4-7th August, Tarkwa, Ghana, 197-212.
  41. Amankwah, R K and Ofori-Sarpong, G (2010), “The lantern retort – a new retort for small-scale gold extraction”, Proceedings of Precious Metals’ 10, Falmouth, Conference, Falmouth, UK, Preprint No 23.
  42. Andoh-Baidoo, R A and Amankwah, R K (2010), “Design of conditions for flotation of partially oxidised sulphides”, Presented at the 1stUMaT International Mining and Mineral Conference, 4-7th August, Tarkwa, Ghana.
  43. Dakubo, A K, Annku, M F and Amankwah, R K (2010), “The significance of a mining museum in Ghana”, Proceedings of the 1st UMaT International Mining and Mineral Conference, 4-7th August, Tarkwa, Ghana, 1058-1067.
  44. Forbah Jnr, J Y and Amankwah, R K (2010), “Effects of rock fragmentation on comminution – a case study at Damang Gold Mine”, Proceedings of the 1stUMaT International Mining and Mineral Conference, 4-7th August, Tarkwa, Ghana.
  45. Ofori-Sarpong, G and Amankwah, R K (2010), “Morphology of gold particles generated in different grinding environments: Implications on particle separation”, Proceedings of the Precious Metals’ 10 Conference, Falmouth, UK, Preprint No. 7.
  46. Quansah, I F and Amankwah, R K (2010), “Comparative analysis of bore and well water quality in the Birimian and Tarkwaian Systems of Tarkwa-Nsuaem and Prestea-Huni Valley areas of Ghana”, Proceedings of the 1stUMaT International Mining and Mineral Conference, 4-7th August, Tarkwa, Ghana, 797-823.
  47. Treveh, P K and Amankwah, R K (2010), “Artisanal and small scale gold trade in Ghana – structure, characteristics and economic contributions”, Proceedings of the 1stUMaT International Mining and Mineral Conference, 4-7th August, Tarkwa, Ghana.
  48. Yenzu, P A and Amankwah, R K (2010), “Effect of stockpile oxidation of refractory sulphidic gold ores on flotation performance”, Proceedings of the 1stUMaT International Mining and Mineral Conference, 4-7th August, Tarkwa, Ghana.
  49. Skluzacek, J M, Quansah, I F and Amankwah, R K (2009), “Evaluation of drinking water quality in the mining community of Tarkwa, Ghana, and a vision to guide successful research partnerships in West Africa”, Association of Environmental Engineering and Science Professors Conference, July 27th, Iowa, USA Preprint No. IEER 8.
  50. Afidenyo, J K, Yen, W T, Amankwah, R K and Ramsay, J (2008), “A microbial pretreatment for double refractory ores”, Proceedings of the XXIV International Mineral Processing Congress, 2676 – 2683.
  51. Amankwah, R K and Pickles, C A (2008), “Serpentine dissolution in hydrochloric acid for carbon dioxide sequestration”, Proceedings of the Conference of Metallurgists 2008, Winnipeg, 311-324.
  52. Yen, W T, Amankwah, R K and Choi, Y (2008), “Microbial pretreatment of double refractory gold ores”, Proceedings of Biohydrometallurgy 2008, Phoenix, 506 - 510.
  53. Al-Hassan S and Nartey, R S, and Amankwah, R K (2007), “Phenomenal Environmental Impact of Artisanal Small-scale Gold Mining at Teshi in the Zebillah District, Ghana”, The First International Conference on Environmental Research, Technology and Policy, ERTEP 2007, Preprint Number B2.21.
  54. Amankwah, R K and Yen, W T (2006), “Effect of carbonaceous characteristics on biodegradation and preg-robbing behavior”, 23rd International Mineral Processing Congress, Onal, G, Acarkan, N, Celik, M S, Arslan, F, Atesok, G, Guney, A, Sirkecl, A A, Yuce, A E and Perek, K T (Eds.), Instabul, 1445-1451.
  55. Amankwah, R K and Yen, W T (2006), “Effect of ore type on microbial degradation of carbonaceous matter in refractory gold ores”, 23rd International Mineral Processing Congress, Onal, G, Acarkan, N, Celik, M S, Arslan, F, Atesok, G, Guney, A, Sirkecl, A A, Yuce, A E and Perek, K T (Eds.), Instabul, 1298-1302.
  56. Amankwah, R K and Yen, W T (2003), “Biosorption of heavy metals from wastewater by Streptomyces viridosporus”, In: Hydrometallurgy 2003, Proceedings of the 5th International Symposium Honoring Professor I M Ritchie, Young, C, Alfantazi, A, Anderson, C, James, A, Dreisinger, D and Harris, B, (Eds) 1961-1970.
  57. Amankwah, R K, Asomah, K and Banson, A (1998), “Leaching of highly carbonaceous concentrates – a case study”, Proceedings of the Extraction Metallurgy Africa’98 Conference. South African Institute of Mining and Metallurgy, Johannesburg, 105 - 107.
  58. Amankwah, R K and Buah, W K (1998), “Some metallurgical aspects of small-scale mining in Ghana”, Proceedings of the Extraction Metallurgy Africa’98 Conference. South African Institute of Mining and Metallurgy, Johannesburg, 1 - 4.
  59. Hlovor, G and Amankwah, R K (1998), “Gold recovery from spent activated carbon”, Proceedings of the Extraction Metallurgy Africa’98 Conference. South African Institute of Mining and Metallurgy, Johannesburg, 77 - 79.
  60. Suglo, R S, Al-Hassan, S and Amankwah, R K (1998), “Mining or the environment – a difficult choice”, Proceedings of the Seventh International Symposium on Mine Planning and Equipment Selection, ed. Raj K Singhal, 683-688.

 

BOOK CONTRIBUTIONS/ REVIEWS

  1. Amankwah, R K and Anim-Sackey, C (2007), "Fostering Cooperation between Small- and Large-scale Gold Miners in West Africa", Hilson, G M (Ed), Practical Action Publications, Rugby, pp 67-73.
  2. Tychsen, J., Boamah, D, Ahadjie J, Sandow, A, Alidu, S., Awuah, P, Quaicoe, I, Amankwah, R., Fobil, J., Nyame, F, Davis, E. (2017), ASM Handbook for Ghana, Geological Survey of Denmark and Greenland (GEUS), Copenhagen, Denmark, 160 pp.

 

EXHIBITIONS

  1. Choi, Y, Yen, W T and Amankwah, R K (2009). Microbial Pretreatment of Double Refractory Gold Ores, IPC8 Class AC22B1100F1, USPC 75711.

 

RECORD OF SERVICE

  1. Dean, Faculty of Integrated Management Sciences (2018 - date)

  2. Member, University Council (2017 - date)

  3. Dean, Faculty of Mineral Resources Technology (2014 – 2018)

  4. Vice Dean, Faculty of Mineral Resources Technology (2012 – 2014)

  5. Head, Department of Minerals Engineering (2012 – 2014)

  6. Dean of Students (2008 - 2012) 

  7. Professorial Member, University Council, UMaT (2011-2012)

  8. Resource Person for Planning and Quality Assurance Unit on Effective Lecture Delivery (2008 – date)

  9. Head, Department of Mineral Engineering (2006 - 2008) 

  10. Course Director, Metallurgical plant operations and control/Gold plant laboratory operations (2006 - date) 

  11. Head, Department of Mineral Technology, KNUST School of Mines (2000 - 2001) 

  12. Senior Hall Tutor, Chamber of Mines Hall, KNUST School of Mines (1997 - 2000) 

 

OTHER ADDITIONAL ACTIVITIES

  1. Reviewer,
  • Hydrometallurgy Journal 
  • Resources Policy
  • Journal of Cleaner Production
  • Mineral Processing and Extractive Metallurgy, IMM, Transactions C
  • Minerals Engineering
  • Canadian Metallurgical Quarterly Journal
  • Extractive Industries and Society
  • Journal of Water, Sanitation and Hygiene for Development
  • Ghana Mining Journal
  • Arabian Journal of Science and Engineering

       2. Editor, Extractive Industries and Society

       3. Member, Advisory Board, Ghana Mining Journal.