BiogasBiogas is a form of energy produced by anaerobic digestion ( the decomposition of constituents of biodegradable matter in an oxygen-free environment). It is a mixture of gases mainly carbon dioxide and methane. Approximate biogas compositon:     - Methane (CH4) 55 to 65 %     - Carbon dioxide (CO2) 30 to 35 %     - Water vapour 1…
Wastewater TreatmentWater treatment is the science of improving any waste water supply and then treating it it a manner that can be safely used for all domestic purposes including drinking and irrigation. In short, wastewaster treatment is the science of handling ingluent (raw sewage) in such a manner that effluent (sewage plant output) is in…
Flotation ProcessIn mining the flotation is a process for separating minerals from gangue, the waste rock, by taking advantatge of differences in their hydrophobic. Differences between valuable minerals and waste gangue are increased through the use of surfactants and wetting agents in the flotation cell which are designed to be forced air fed and require a…
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