August 2013

Investigation of some factors that affect jakura limestone burning

  Limestone calcination reaction seems to be a very simple and straight-forward reaction. However, there are numerous critical variables that exert profound effect on lime burning operations. The factors and variables that affect the burning of limestones must be considered in the selection, design and optimization of the calcininig equipment. Limestone burning in a vertical kiln often presents complex problems...

Author(s): P. C. Okonkwo and S. S. Adefila

August 2013

Analysis of the levels of arsenic in home-made brews, spirits, in water and raw materials using Hgaas in Nairobi county

  This study was carried out to determine the levels of arsenic in the home-made brews, home-made spirits, raw materials and water. One hundred and thirty two home - made alcoholic beverages, one hundred and ten water and eighteen raw materials samples obtained from various parts of Nairobi slums and its environs were analyzed for arsenic. The method of analysis was hydride generation atomic absorption...

Author(s): Masime Jeremiah O, Wanjau Ruth, Murungi Jane and Onindo Charles

August 2013

Uvaria chamea root as green corrosion inhibitor for mild steel in acidic solution

  The corrosion inhibition of mild steel is the subject of tremendous technological importance due to the increased industrial applications of these materials. This study reports the corrosion inhibition of mild steel in acidic solution of 0.5 M HCl using root extract of Uvaria chamea by way of gravimetric measurements. It was shown that the presence of U. chamea root extract inhibited the...

Author(s): Lebe A. Nnanna, Onyinyechi C. Nwadiuko, Francis O. Nwosu, David O. Dimojiand Kingsley I. Mejeh