Physical, Chemical, and Genotoxic Properties of Waste Mud By-product of Waste Water Treatment

Journal of Trace and Microprobe Techniques Pub Date : 2003-01-02 DOI:10.1081/TMA-120017903

V. Oreščanin, K. Durgo, J. Franekić-Čolić, K. Nad, V. Valković

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引用次数: 12

Abstract

Abstract The physical, chemical and genotoxic properties of the activated red mud and its waste mud remained after waste water treatment were studied. The sequential leaching of waste mud under different conditions was investigated, as well as the toxic effect of its water extract, in order to discover a safe way for the handling and disposal of this waste material. Furthermore, in order to reduce the amount of waste material, the possibility of its regeneration and re-usage was also studied. Heavy metals content and other parameters, as well as the genotoxicity of water extract of new coagulant produced for industrial waste water treatment, were investigated to confirm its non-toxicity before its commercial production and usage. For the toxicity investigation, two strains of Salmonella typhimurium, TA98 and TA100 were used as a test system. Tested samples were not cytotoxic or mutagenic for S. typhimurium TA98/TA100 in the presence/absence of the metabolic activation. Promising results were also obtained in the field of waste mud regeneration and re-usage.

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废水处理副产物污泥的物理、化学和基因毒性

摘要研究了废水处理后活性赤泥及其废泥的物理、化学和遗传毒性。研究了废泥在不同条件下的顺序浸出及其水提物的毒性作用，以期找到一种安全的处理和处置废泥的方法。此外，为了减少废料的数量，还对其再生和再利用的可能性进行了研究。在工业废水处理用新型混凝剂生产和使用前，对其水提物的重金属含量等参数和遗传毒性进行了研究，确认其无毒性。以2株鼠伤寒沙门菌TA98和TA100为试验系统进行毒性研究。在存在或不存在代谢激活的情况下，测试样品对鼠伤寒沙门氏菌TA98/TA100没有细胞毒性或致突变性。在废泥再生利用领域也取得了可喜的成果。

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Journal of Trace and Microprobe Techniques

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