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Extraction of copper from sewage sludge using biodegradable chelant EDDS |
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| Authors: | ZHANG Lihu ZHU Zhiliang ZHANG Ronghu ZHENG Chengsong ZHANG Hu QIU Yanling and ZHAO Jianfu |
| Institution: | 1. State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China;Department of Chemistry and Biology Engineering, Sanming College, Sanming, Fujian 365004, China 2. State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China 3. Sanming Environment Protection Bureau, Sanming, Fujian 365004, China |
| Abstract: | S,S]-Ethylenediaminedisuccinic acid(EDDS),a biodegradable chelant,was used to separate the heavy metals from the sewage sludge based on chemical extraction technology.Under various conditions,the extraction experiments were carried out for the sewage sludge from Shanghai Taopu Municipal Wastewater Plant,China.The influences ofpH and the concentration of EDDS on the extraction efficiency for copper(Cu)were discussed.The results showed that EDDS had higher extraction efficiency for Cu from the sewage slud... |
| Keywords: | copper EDDS extraction sewage sludge biodegradable |
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