Toxic Waste


During the Industrial Revolution coal and other fossil fuels were used as a source of energy. They were burned and the gas given off was harmful to the atmosphere. Unknowingly factories burned fossil fuel causing what we call the greenhouse effect. Unfortunately, factories continue to burn these fuels.
also causes acid rain. Acid rain is caused by oxides of sulfur, carbon, and nitrogen from burning fossil fuels combine with moisture in the air. In 1981 alone, 264 million tons of waste was produced in the United States, 5.5 million tons of it was considered hazardous. Five years later the United States generated 1,770,000 cubic feet of solid and liquid radioactive waste.
has been ...

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factory, a major producer of chemicals, showed contamination from dioxin. Dow undertook a 3 million dollar study of the material. The company announced that Dioxin is less health and life threatening.
High-temperatures are used to reduce the toxicity of waste. These processes use plasma technology to make the waste more environmentally friendly. Plasma treatment reach temperatures up to 1,650o F. In the United States incineration is a primary way to get rid of liquid waste. This process eliminates waste in two stages. One is partially burning the waste with insufficient air and then they burn it again with excess air at high temperatures to destroy gases released by the first stage. Liquid must be stored for a short time before disposal. This waste is stored in steel drums before it is disposed of. After toxicity has been removed, the waste is stored. Ocean dumping and landfills are no longer used in the United States. However, the United States has high levels ...

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PAPER DETAILS
Added: 6/24/2008 05:45:34 PM
Category: Science & Nature
Type: Free Paper
Words: 530
Pages: 2

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