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The use of backfill in underground mines has increasingly become an integral part of overall mining operations all over the world. This has largely been driven by the need to increase ore recovery and productivity. The underground mining activities have given rise to creation of large volumes of...

Attempts to develop Threshold Limit Values together with the correlation between results of various sampling instruments are described. The main objectives of the investigations were: to establish the relationship between dust exposure and the development of pneumoconiosis, to study the effect of...

This dissertation examines effects of inadequate water supply on the health of Zambia Compound Community in Kafue District. Both Secondary and Primary sources of information have been used. Secondary sources used were from books, the internet, journals and news papers. The primary source used was...

Current densities from 40O Am to 1000 Am were used to investigate the electrowinning of cobalt from sulfate solutiaiie. The cell used was a cylindrical beaker of 1000 ml capacity. Two lead anodes and one stainless steel cathode were used as - electrodes. The cathode was prepared electrolytically...

Small-scale mining (SSM) activities in Tanzania are conducted using rudimentary mining tools such as shovels, hoes, picks and chisels. In most cases, mining practices do not use engineering plans and designs and usually are done haphazardly resulting in abandoned shafts, pits, trenches and other...

Angolan diamonds have been produced for more than 90 years. Before independence, indigenous people were not allowed to possess diamonds; those caught with diamonds were executed. After independence the new government empowered it's people through issuing licenses to small-scale mining. Over the...

Every individual needs provision of adequate affordable safe water for a healthy and productive life. The provision of this adequate safe water should be done in a way that ensures protection and enhancing of the natural habitat.This study investigates whether sustainable water supply is...

The Kaseba-Katota area is part of the Mesoproterozoic Irumide fold belt trending in a northeast - southwest direction and covers part of the Eastern and Central provinces of Zambia. Outcrops in the area include metasediments, which have been subjected to intense deformation resulting in strong...

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...

The introduction of antiretroviral therapy has transformed HIV care and lead to significant reduction in morbidity and mortality worldwide. In resource poor setting like Zambia, HIV-infected children often start treatment with advanced disease stage against a background of a high burden of...