waste

The paper analyzes the sources of the most widespread heavy metals contained in waste. Different directions of human activity are considered with emphasis on the waste containing heavy metals. It is established that the largest suppliers of heavy metals include waste of metallurgy, chemical industry, production of electrical appliances, batteries and accumulators, sewage sludge, ash and slag of coal-fired power stations and waste incineration plants, and the recent one is household waste.

Technological principles of processing of exhaust elements of feed with the purpose of utilization from them of valuable components are analysed. It is rotined, possibility and expedience of their exception from the exhaust galvanic systems of salt and alkaline nature.