Hyperfiltration for recycle of 82°C textile wash Water |
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Authors: | Craig A. Brandon |
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Affiliation: | Carre Inc., 207 N. Fairplay Street, Seneca,SC 29678 USA |
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Abstract: | A program to demonstrate high temperature hyperfiltration to renovate hot industrial wastewater for direct recycle is in Phase 2; the installation of a ~10m /hr membrane system to achieve closed cycle operation of a textile dye range. Hydrous-zirconium oxide-polyacrylate (ZOPA) membranes dynamically formed on porous sintered stainless steel tubes arranged in a Single Pass system will be supplied by the Mott-Brandon Corporation. Phase I of the program involved on-site pilot testing of several membranes, the procurement of competitive bids for the membrane system and the complete installation including all interface controls required for the dye operation.The 180°F (82°C) dye wash water contains residual dyes, auxiliary detergent and wetting agents, and guar gum. The total solids in the wash water range from 130 to 7000mg/l with the suspended solids ranging from 2 to 90 mg/l. The membrane system will be operated at 96% recovery. The concentrated residue is being studied for reuse or ultimate disposal through evaporation and/ or incineration. The performance of the membranes during the pilot tests, the laboratory evaluation of the reuse, and the complete recovery system are described. |
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