By Mark J. Girovich
This paintings info the industrial, regulatory and environmental security concerns relating to biosolids administration and use. It evaluates present remedy applied sciences and administration thoughts for the worthy usage of municipal wastewater residuals. rate information about the relative monetary advantages of distinctive reuse and disposal tools, is gifted.
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Extra info for Biosolids Treatment and Management (Environmental Science and Pollution Control, 18)
Liquid biosolids are usually surface applied or injected into the surface layer of the soil. Dewatered and dried biosolids are typically applied to the land surface by equipment similar to that used for applying chemical fermizers,limestone,and animal manures and then incorporated by plowing or discing (except on pastures). ) into soil. 2. 2%). Disturbed land resulting from both surface and underground mining can be swce&Uy restoredby proper application of biosolids. 48 million hectares were disturbed in the USA between 1930 and 1971 and only 40% of this has ever been reclaimed.
The requirements for use of biosolids on non-agricultural lands are the same as thosefor use on agriculturallands. S. , a rate that protects the groundwater and minimizes the amount of nitrogen thatpasses below the root zone of the crop or vegetation grown on the site by matching the amount of nitrogen taka up the the crop). This management practice also applies to a reclamation site, unless otherwise specified by the permitting authority. In this case,the permitting authority may allow larger amounts of biosolids 38 Girovich to be applied in order to provide nutrients and organic matter to revegetate disturbed sites.
Detailed discussion on specific air emission and odor control is provided in other chapters. 4. Environmental Impact Bimlids treatment impacts upon environmental, safety, and public health conditions hcludmg (butnot limitedto) air pollution, odors,liquid sidestreams,noise, siting, and public acceptance. , incineration) and, therefore, have a greater potential social, environmental and health impact. Processes with greater impact usually require higher capital (and often higher operating) costs and may experience difficulty in achieving public and regulatory support and approval.
Biosolids Treatment and Management (Environmental Science and Pollution Control, 18) by Mark J. Girovich