Download Coal and the Environment (Agi Environmental Awareness) by C. F. Eble, D. C. Peters, A. R. Papp S. F. Greb PDF

By C. F. Eble, D. C. Peters, A. R. Papp S. F. Greb

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29). In the slurry not all of the inorganic impurities can be impoundments, the fine waste removed from coal in this manner. Some sediment falls out of suspension and clean mineral matter and minerals filling cell- water can be recycled through the plant. In sized voids in the coal (including tiny sul- 2001, there were 713 fresh-water and coal fur-rich pyrite particles) will remain. In waste impoundments in the United States. some instances, the fine sizes are further separated into intermediate and still finer Environmental Impacts size classes and cleaned.

Sulfates in the atmosphere, both wet and dry, contribute to sulfur deposition. Crop damage, forest A C I D R A I N degradation, impaired visibility, chemical weathering of building stones and monuments, increased acidity of lakes and streams, and increased human health risks from asthma and bronchitis have been attributed to acid rain. In the United States, sulfate precipitation is greatest in the Northeast, which has been attributed to coal-fired power plants in the Midwest and Northeast (Fig.

50. Coal is our most plentiful energy resource. It is imperative that society develop the appropriate balance of policies for maximizing the use of our country’s resources, meeting energy needs, and providing a healthy environment. 52 Our country requires a lot of energy, and coal is our most plentiful energy resource (Fig. 50). As such, coal will remain the backbone of the nation’s electrical power generation for the foreseeable future. The challenge is to mine, transport, and use coal in an environmentally acceptable manner.

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