Method for reinforced ultrafiltration treatment of phenol-containing waste-water by ultrafiltration membrane
An ultrafiltration membrane and phenol technology, applied in chemical instruments and methods, water/sewage treatment, extraction water/sewage treatment, etc., can solve the problem of difficulty in achieving stability, reliability and safety, the price of oxidants that cannot be reused, and the treatment of phenol-containing wastewater Poor effect and other problems, to achieve the effect of reducing secondary pollution, improving economic feasibility, and realizing automatic operation
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Embodiment 1
[0022] When the concentration of phenol in the wastewater is 47mg / L, add 20×10 -3 mol / L CPC and 3×10 -3 mol / L sodium carbonate, stirred evenly, left to react for 2 hours, CPC monomer molecules self-assembled to form micelles, solubilized phenol in water, and pumped the above-mentioned phenol-containing wastewater added with CPC and sodium carbonate to the roll-type ultrafiltration membrane Component filtration, the ultrafiltration membrane material is polysulfone, the membrane molecular weight cut-off is 6000Dalton, the membrane operating pressure is 0.15Mpa, the ultrafiltration operation mode is intermittent, and the retained liquid is returned to the water inlet tank to achieve the concentration effect. The CPC micelles that have solubilized phenol in water are retained by ultrafiltration membranes to remove phenol in water. The concentrations of phenol and CPC in the permeate were determined by liquid chromatography and ultraviolet spectrophotometry, and the results are sh...
Embodiment 2
[0026] When the concentration of phenol in the wastewater is 188mg / L, add 30×10 -3 mol / L CPC and 5×10 -3 mol / L sodium carbonate, stirred evenly, left to react for 2 hours, CPC monomer molecules self-assembled to form micelles, solubilized phenol in water, and pumped the above-mentioned phenol-containing wastewater added with CPC and sodium carbonate to the roll-type ultrafiltration membrane Component filtration, the ultrafiltration membrane material is polysulfone, the membrane molecular weight cut-off is 6000Dalton, the membrane operating pressure is 0.15Mpa, the ultrafiltration operation mode is intermittent, and the retained liquid is returned to the water inlet tank to achieve the concentration effect. The CPC micelles that have solubilized phenol in water are retained by ultrafiltration membranes to remove phenol in water. The concentrations of phenol and CPC in the permeate were determined by liquid chromatography and ultraviolet spectrophotometry, and the results are s...
Embodiment 3
[0031] When the concentration of phenol in the wastewater is 94mg / L, add 20×10 -3 mol / L CPC and 3×10 -3 mol / L sodium carbonate, stirred evenly, left to react for 2 hours, CPC monomer molecules self-assembled to form micelles, solubilized phenol in water, and pumped the above-mentioned phenol-containing wastewater added with CPC and sodium carbonate to the roll-type ultrafiltration membrane Component filtration, the ultrafiltration membrane material is polysulfone, the membrane molecular weight cut-off is 6000Dalton, the membrane operating pressure is 0.15Mpa, the ultrafiltration operation mode is intermittent, and the retained liquid is returned to the water inlet tank to achieve the concentration effect. The CPC micelles that have solubilized phenol in water are retained by ultrafiltration membranes to remove phenol in water. The concentrations of phenol and CPC in the permeate were determined by liquid chromatography and ultraviolet spectrophotometry, and the results are sh...
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