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- W2359152020 abstract "Blend membrane of chitosan powder and polyurethane is prepared by different methods.The surface morphology,hygroscopic property,infrared spectra characteristics and immobilized Aspergillus effect of blend membranes,made from different contents of chitosan powders and carbon source nutrients,such as sucrose,are studied.It shows that with the increasing of chitosan powder content,the surface morphology of blend film gradually looses from densification to porous and forms a sponge-like structure,while film forming property becomes worse.Both components are evenly distributed in blend films,with good compatibility between chitosan powder and polyurethane.Its water absorption is gradually improved along with the increase of chitosan and nutrition.In order to obtain great performance of immobilized microorganisms,membranes with 20% of the chitosan content and 10% of carbon nutrient are prepared and then immobilized for 72 hours.Aspergillus sojae has outstanding immobilization effect.It's verified by the experiment that after treatment with blend membrane,COD of the wool scouring effluent decreases to 198 mg /L from 12 000 mg /L,the concentration of suspended solids(SS) reduces to 125 mg /L from 1 935 mg /L,which met the requirements of the Integrated Wastewater Discharge Standard(GB 8979—1996)." @default.
- W2359152020 created "2016-06-24" @default.
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- W2359152020 date "2011-01-01" @default.
- W2359152020 modified "2023-09-23" @default.
- W2359152020 title "Treatment on wool scouring effluent with chitosan membrane" @default.
- W2359152020 hasPublicationYear "2011" @default.
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