Solid waste management.doc - Solid waste Management Waste...

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“Solid waste Management” Waste Waste is something which has lost its apparent value to its owner. It is a misplaced resource. We all produce this sort of unwanted by products and residues in nearly everything we do. Merriam-Webster defines waste as "refuse from places of human or animal habitation." The World Book Dictionary defines waste as "useless or worthless material; stuff to be thrown away." Unfortunately, both definitions reflect a widespread attitude that does not recognize waste as a resource. Modern waste management defines waste as "a resource that is not safely recycled back into the environment or the marketplace." This definition takes into account the value of waste as a resource, as well as the threat unsafe recycling can present to the environment and public health. The word 'waste' and the act of 'wasting' are human inventions. Waste doesn't exist in nature. In nature, everything has a purpose. Waste was created by humans for short-term convenience and short-term profit. Wasting results in long-term harmful consequences for humans, nature, and the economy. Types There are two types of waste: 1. Industrial waste 2. Municipal waste 1. Industrial waste The waste that produced from industrial activities is called industrial waste. Usually all the waste Other than mining and mineral production could be considered as industrial waste. Most of this material is recycled, converted to other forms, destroyed or disposed of in private landfills or deep injection wells. 2. Municipal waste A combination household and commercial refuse are said to be the Municipal waste. Other types of wastes There are some other types of waste these ares- Medical waste Medical waste means any solid waste which is generated in the diagnosis, treatment, or immunization of human beings or animals, in research pertaining thereto, or in the production or testing of biological experiments. Hazardous waste Hazardous waste means a solid waste, or combination of solid wastes, which because of its quantity, concentration, or physical, chemical, or infectious characteristics may – (A) cause, or significantly contribute to an increase in mortality or an increase in serious permanent , or incapacitating reversible, illness; or Prepared for class lecture, Need editing. Dept. Of Urban & Regional Planning, Jahangirnagar University
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(B) pose a substantial present or potential hazard to human health or the environment when improperly treated, stored, transported, or disposed of, or otherwise managed. Hazardous Characteristics!! 1. Ignitable Hazardous Waste A liquid waste which has a flash point of less than or equal to 140 degrees F (60 degrees C) as determined by an approved test method. A non-liquid waste which, under standard conditions, is capable of causing a fire through friction, absorption of moisture or a spontaneous chemical change and when ignited, the waste burns so vigorously and persistently that it creates a hazard.
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