Water Pollution Control Research Series 12010 DRH 11/71. Ultrathin Membranes for Treating Metal Finishing Efflyents by Reverse Osmosis PDF Download
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Author: United States. Enviornmental Protection Agency
Publisher:
ISBN:
Category :
Languages : en
Pages : 93
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Author: United States. Enviornmental Protection Agency
Publisher:
ISBN:
Category :
Languages : en
Pages : 93
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Author: North Star Research and Development Institute (Minneapolis, Minn.)
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 108
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Author: Lee Theodore Rozelle
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ISBN:
Category : Government publications
Languages : en
Pages : 110
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Seventeen different reverse osmosis membranes were evaluated as to their ability to separate heavy metal ions, acids, bases, and cyanides from metal finishing wastewaters. Although no one membrane was found to be effective for all effluents, membranes of 5 different polymers showed considerable promise. Simulated acidic nickel, iron, zinc, and copper plating bath rinses were effectively treated by ultrathin membranes of cellulose acetate, cellulose methyl sulfonate, O-propyl sulfonic acid, or B-glucan acetate diaminoethyl ether. The investigations have demonstrated that ultrathin membrane separation performance can be modified by: Modifying the chemical composition; Optimizing the annealing conditions; Producing as thin a membrane as practical; and Using a polysulfone support film. Preliminary engineering considerations for reverse osmosis applications to treatment and recycle of acidic copper plating bath rinse waters are presented.
Author: Water Resources Scientific Information Center
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 456
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Author:
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Category : Environmental engineering
Languages : en
Pages : 224
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Author: United States. Environmental Protection Agency. Office of Water Programs Operations
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ISBN:
Category : Factory and trade waste
Languages : en
Pages : 172
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Author:
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ISBN:
Category : Hydrology
Languages : en
Pages : 1064
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Author: U.S. Federal Water Pollution Control Administration
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Category :
Languages : en
Pages : 200
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Author: United States. Environmental Protection Agency
Publisher:
ISBN:
Category : Sewage disposal plants
Languages : en
Pages : 1078
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Author: United States. Environmental Protection Agency
Publisher:
ISBN:
Category : Sewage
Languages : en
Pages : 172
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