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Removal of Cr and Cu from the Sewage Sludge by Using the Chemical Leaching
Author(s): 
Pages: 61-64
Year: Issue:  6
Journal: Environmental Science and Management

Abstract: 文章利用柠檬酸、硝酸以及硝酸和过氧化氢混合液对污泥进行淋滤处理,研究了污泥中重金属Cr、Cu的去除率,实验结果表明,混合淋滤优于单独淋滤,随着溶液浓度和淋滤量的增大,重金属去除率也呈增大趋势.在柠檬酸浓度为0.5 mol/L,硝酸和过氧化氢混合液浓度为1.0 mol/L,淋滤量为1 000 ml/kg的混合淋滤条件下,污泥中Cr、Cu去除率可以分别达到70.97%、90.33%,经处理后的污泥符合...
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