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| STUDY ON ADSORPTION TREATMENT OF WASTEWATER CONTAINING COPPER WITH MODIFIED FLY ASH |
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| DOI： |
| KeyWord:orthogonal test;modified fly ash;wastewater containing copper; |
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DENG Shu-ping (Vocational , Technical College,Liaoning University of Petroleum & Chemical Technology,Fushun 113001,Liaoning,China)
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| Abstract: |
| Fly ash is modified by macromolecular flocculant PDMDAAC,The simulation experiment on the absorption treatment for wastewater containing Cu2+ with modified fly ash is conducted by the orthogonal method.The results show that the removal rate of copper can be over 97% with pH value of 10,the dosage of modified fly ash of 3.0 g and the contacting time of 90 min.The technique is simple, the wastewater is harnessed by other waste and the cost is lower.Therefore,it will have better applied prospect. |
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