Browsing by Author "Ogunah, Joanne A."

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    • Effects of Zeolite X on Dissipation of Hexazinone from Agricultural Waste Waters in Western Kenya 

      Agoro, David J.; Kowenje, Chrispin O.; Lalah, Joseph O.; Osewe, Elly T.; Ogunah, Joanne A. (2013-10)
      Dissipation of hexazinone in Zeolite X treated wastewater followed pseudo first-order kinetics giving a calculated half-life of 41 days compared to a half-life of 144 days in untreated wastewater. The herbicide degraded ...

    • Effects of Zeolites X and Y on the Degradation of Malathion in Water 

      Ogunah, Joanne A.; Kowenje, Chrispin O.; Osewe, Elly T.; Lalah, Joseph O.; Jaoko, David A.; Koigi, Robert N. (2013)
      The inclusion of both zeolites X and zeolite Y significantly affected the dissipation of malathion in water. In the fresh water, malathion degradation followed a pseudo-first order kinetics with concomitant half-life ...

    • Staff Profile - Dr. Joanne Atieno Ogunah 

      Ogunah, Joanne A. (University of Embu, 2015-07)
      Joanne holds a doctorate degree in chemistry from Maseno University. She has published two (2) papers in peer reviewed journals on enhanced degradation of xenobiotics in water using zeolites. She is a DAAD scholar and a ...