Define hazardous waste. Briefly explain various methods of its treatment.
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Your Question Is :
Define hazardous waste. Briefly explain various methods of its treatment.
Hazardous Waste:
Hazardous waste is waste that has substantial or potential threats to public health or the environment.
Its Treatment:
Treatment
Hazardous waste can be treated by chemical, thermal, biological, and physical methods. Chemical methods include ion exchange, precipitation, oxidation and reduction, and neutralization. Among thermal methods is high-temperature incineration, which not only can detoxify certain organic wastes but also can destroy them. Special types of thermal equipment are used for burning waste in either solid, liquid, or sludge form. These include the fluidized-bed incinerator, multiple-hearth furnace, rotary kiln, and liquid-injection incinerator. One problem posed by hazardous-waste incineration is the potential for air pollution.