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Geochemistry of the final disposal of the water treatment residuals on degraded area

机译:退化地区水处理残留物最终处置的地球化学

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This survey determined the physical and chemical properties of the gravel place where urban sludge from Rio Descoberto's Water Treatment Plant is disposed. Physical, chemical and biological analysis of the soil samples (n=54), sludge samples (n=2), chemical coagulant (n=20) and samples from superficial waters (n=9) and water table (n=60) were performed. As results we can emphasize the horizontal distribution of mineral phases like gibbsite, organic material, exchanged Ca, available Mn and P on the soils are originated from the sludge. Some of these mobile elements could stimulate the growing of the vegetation, but they also could contaminate the water table.
机译:这项调查确定了处置里约热内卢德斯科贝托水处理厂的城市污泥的砾石场所的物理和化学性质。对土壤样品(n = 54),污泥样品(n = 2),化学混凝剂(n = 20)以及地表水(n = 9)和地下水位(n = 60)的样品进行了物理,化学和生物学分析。执行。结果,我们可以强调矿物相的水平分布,如菱镁矿,有机物,交换的Ca,土壤中有效的Mn和P来源于污泥。这些可移动元素中的一些可以刺激植被的生长,但它们也可能污染地下水位。

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