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首页> 美国政府科技报告 >Determination and Prediction of Chemical Forms of Trace Metals in Sewage Sludge and Sludge-Amended Soils
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Determination and Prediction of Chemical Forms of Trace Metals in Sewage Sludge and Sludge-Amended Soils

机译：污泥和污泥修复土壤中痕量金属化学形态的测定与预测

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The overall objective of the research conducted under this project was to define the chemical equilibrium between trace metals and the soluble and insoluble organic and inorganic fractions of sewage sludges and sludge-amended soil. This report is divided according to tasks carried out to fulfill this objective. The adaptation and development of a computer program, GEOCHEM, for prediction of the distribution of chemical species in soil solution is described in Section 1. Research on the fractionation and characterization of sewage sludges is discussed in Section 2. Studies on sludge decomposition and extractability of added metals from sludge-amended soils are discussed in Section 3. Infrared studies of soluble components in water extracts of the sludge-amended soils as well as speciation data obtained from the GEOCHEM program are also reported in Section 3.

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