Construction industry is key to the world economies in both developed and developing nations. However, construction works could bring hazards such as silica dust and chemical irritants to site personnel. Silica dust and chemical irritants are produced from activities such as demolition, drilling,...
Download PDF ↓Although there are many diagnostic and detection platforms for detection of various bacteria, these often require large elaborate procedures and well trained experts to execute. The turnaround time for results can sometimes be long. The development of portable and low power devices integrated...
Download PDF ↓The Nchanga and Konkola ores have substantial amounts of cobalt in the form of Carrollite (CUC02S4) and Cobaltiferous pyrite ((Co,Fe),S2). These minerals are found in association with copper minerals such as chalcopyrite (CuFeSz), Bomite (CusFeS4) and Chalcocite (CujS). However, the recoveries of...
Download PDF ↓The before-and-after study design (also known as the pre and post-test design) was carried out with objectives of (i) determining the potential reduction in greenhouse gas emissions associated with changing pig manure management systems from the use of slurry pits (baseline emissions) to...
Download PDF ↓The Hazard Analysis Critical Control Point (HACCP) concept was applied for the first time to four Zambian cattle slaughterhouses to study slaughterhouse hygiene and bacterial contamination of carcasses. Swabs were collected from carcass surfaces and also from the following environmental surfaces,...
Download PDF ↓The erosion of Tuyeres in Refining has been studied in a Physical Model to establish the dependence upon injection conditions such as gas momentum and orifice profile.The erosion phenomena in terms of Mass transfer-mechanisms has also been studied.A coefficient of Mass transfer kc< , has been...
Download PDF ↓The poor management of wastewater causes loss of environmental quality. Biomethanation, a biogas-producing technique, as an attractive solution to the problem, was investigated. Biogas, a greenhouse gas, is a mixture of methane and carbon dioxide. While carbon dioxide is returned into the...