Thursday, 23 January 2020

Dr. Jackson W. Muthengia Publications

Journal Papers


  1. Mutitu, D. K, Wachira, J. M, Mwirichia, R., Thiong`o, K.J., Munyao, O.M, Muriithi, G. (2019) Influence of Lysinibacillus sphaericus on compressive strength and water sorptivity in microbial cement mortar. Heliyon, Volume 5, Issue 11. DOI:
  2. Nalobile, P. Wachira, J. M., Thiong’o, J.K., Marangu, J.M.(2019). Pyroprocessing and the optimum mix ratio of rice husks, broken bricks and spent bleaching earth to make pozzolanic cement.
    Heliyon Volume 5, Issue 9.
  3. Wachira, J. M., Thiong’o, J.K., Marangu, J.M., and Murithi, L.G. (2019) Physicochemical Performance of Portland-Rice Husk Ash-Calcined Clay-Dried Acetylene Lime Sludge Cement in Sulphate and Chloride Media. Advances in Materials Science and Engineering, vol. 2019, Article ID 5618743, 12 pages, 2019.
  4. Kugeriaa, M. P., Mwangi, I., Wachira, J. M., Njoroge, P. (2019) Copper extraction by wet chemical method. Journal of Sustainable Mining Volume 17, Issue 4, 2018, Pages 202-208


  1. Marangu, J. M., Thiong’o, J. K., Wachira, J. M. (2018) Chloride Ingress in Chemically Activated Calcined Clay-Based Cement. Research Article (8 pages), Article ID 1595230, Volume 2018.
  2. Murithi, G. Karanja, T., Muthengia, J. M. (2018) Fixed Column Removal of Lead (II) Ions from Industrial Effluent using Pig Bone Char, Rice-Husks Ash and Water Hyacinth Composite Adsorbent International Journal of Science and Research (IJSR). Volume 7 Issue 2,.Volume 7 Issue 2.

2017- 2005

1.Mutitu, D. K., Karanja, J. K. and Wachira, J. M. Diffusivity of Sulphate in Selected Ordinary Portland Cement and Portland Pozzolana Cements, Journal of the Kenya Chemical Society, Volume 8 Issue 1, pp 13 - 25
2. Mbugua, G.W., Mbuvi, H. M. and Muthengia, J. W. Ash Derived Zeolite Blended with Water Hyacinth Ash for Enhanced Adsorption of Cadmium Ions, Current World Environment, International Research Journal of Environmental Science.
3. Mutitu, D. K., Karanja, J. K. and Wachira, J. M. (Mar-April 2014) Diffusivity of Chloride Ion in Mortar Cubes Made Using Ordinary Portland and Portland Pozzolana Cements, IOSR Journal of Applied Chemistry, Volume 7, Issue 2 Ver. 1, PP 67-73.
4. Mutembei, P. K., Naftali, T. M. and Muthengia, J. W. (March, 2014) Iron Enrichment In Laterites Soils From Selected Regions In Kenya Using Magnetic Separation, IOSR Journal of Engineering Vol. 04, Issue 03 pp 42-48.
5. Kenyanya, O., Muthengia J. and Harun, M. (2013) Determination of Potassium Levels in Intensive Subsistence Agricultural Soils in Nyamira County, Kenya International Journal of Agriculture and Forestry 3 (7):294 - 302.
6. Kenyanya, O., Muthengia, J. M. Mbuvi, H. M. and Omayo, E. K. (November 2013) Comparative Studies of four parametric Models for Potassium Adsorption in Soils of Nyamira County, Kenya, International Journal of Management, IT and Engineering.
7.Marangu, J. M., Muthengia, J. W. and wa-Thiong’o, J. K. (2014) Performance of Potential Pozzolanic Cement in Chloride Media IOSR Journal of Applied Chemistry IOSR-JAC Vol 7, Issue 2 Ver. 1, PP 36-44.
8. Muthengia, J. W., Muthakia, GK and wa-Thiong’o JK (2012) Cementing Material from Rice Husk – Broken Bricks – Spent Bleaching Earth – Dried Calcium Carbide Residue, Mediterranean Journal of Chemistry
9. Wachira, J (2012) Chloride Ingress  in Pozzolana Based Cement, 7Th Kenya Chemical Society International Conference, Abstract Book, Held in Maseno University between 15Th – 19Th October, 2012
10. Muriithi NT, Wachira, JM, Mutembei, PK, Njoroge, PW, Wanjau RN and Keru, GK, Concentration of Iron in Laterites: Increasing the Availability of Iron to Achieve Vision 2030, 7Th Kenya Chemical Society International Conference, Book of Abstract, Held in Maseno University between 15Th – 19Th October, 2012
11. Muriithi, NT, Wachira JM and Keru, GK (2010) Wasted Natural Resources, Case Study of Iron Rich Murram Deposits in Kenya, 1ST East African Regional Scientific Conference, Kenyatta University, Nairobi
12. Muthengia, JW, wa-Thiong’o, JK and Muthakia, GK, (2005) Spent Bleaching Earth as a Pozzolanic Material, Journal of Civil Engineering Research and Practice, Vol 2 pp 15 -21
13. Muthengia, JW, wa-Thiong’o, JK and Muthakia, GK (2005) Calcium Carbide Residue as Alternative to Calcium Hydroxide for Commercial Building Lime Pozzolana Material, Kenya Chemical Society, 5Th International Conference, August, 22ND – 26TH 2005, pp 209 – 213.

Conferences/Workshops/Seminars Attended and Participated

1.     4th – 7th November, 2014, 1st Dedan Kimathi University of Technology Conference
2.     15Th – 18Th October, 2012, 7Th Kenya Chemical Society International Conference, Held at Maseno University.
3.     28Th April, 2012 – The Kenya Chemical Society Workshop Held at Jomo Kenyatta University of Agriculture and Technology, Nairobi
4.     14Th – 15Th April, 2012 – Research Methodology Workshop of the Association of African Universities (AAU) – EASRN of Tertiary Institution Against The HIV/AIDS   Pandemic, Held at Kenyatta University, Nairobi
5.     10Th  - 14Th August, 2010 – 1St East African Regional Scientific Conference held at Kenyatta University, Nairobi
6.     25Th April, 2009 -  The Kenya Chemical Society Workshop Held at University of Nairobi