Question

articles on waste and it's management​

Answer 1

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Answer 2

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Waste Management

Waste management is multidisciplinary activities that involve in engineering principles, economic, urban and regional planning, management techniques and social sciences to minimize the overall wastivity of the system under consideration. A systematic approach of waste management encompassing the waste of all kinds of resources at all stages should be adopted. However the material constitutes the major fraction of the total production cost, material wasted are of critical importance (Arora, 2004).

Waste is explained as most unwanted materials according to the Environmental Protection Act 1990. Waste includes any scrap material, effluent or unwanted extra substance or article that needs disposal because it is broken, worn out, contaminated or otherwise polluted. Wastes are 'those substances or objects which fall out of the business cycle or chain of utility' such as glass bottles that are returned or reused in their original form are not waste, whereas glass bottles banked by the public and dispatched for remoulding are waste 'until they have been recovered'. The Department of the Environment recognized four broad categories of potential waste. First is worn but functioning substances or objects that are still useable (albeit after repair) for the purpose they were made. Secondly, substances or objects that can be put to immediate use otherwise than by a specialised waste recovery establishment or undertaking for example ash from a power station used as a raw material in building blocks. Third category is degenerated substances or objects that can be put to use only by establishments or undertakings specialised in waste recovery. These are always wastes even if transferred for recovery for value for example polluted solvents or scrap. Such substances only cease to be waste when they have been recovered. Fourth are the substances which the holder does not want and which he has to pay to have taken away.

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