Integrated water purification processing method and device of ultrafiltration membrane coagulation/bioreactor
A bioreactor and treatment device technology, applied in the field of water treatment, can solve problems such as limited removal capacity of dissolved organic matter in water, stability of aquatic organisms, and inability to remove them, so as to reduce maintenance and operation costs, delay membrane fouling, and facilitate maintenance management effect
Inactive Publication Date: 2008-07-16
HARBIN INST OF TECH
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The invention discloses an integrated water treatment method of ultrafiltration membrane coagulation/ biological reactor and a device thereof. The invention, the coagulation, and the biological reaction is combined and completed in a same reaction cell. Raw water enters the ultrafiltration membrane coagulation/ biological reactor; activated sludge microorganism in the reactor biologically degrades ammonia nitrogen and organic matters with low molecular weight in the water; a coagulant adding system adds coagulant and adsorbent in the reactor to remove the organic matters with high molecular weight and phosphorus; at last, the immersion ultrafiltration membrane components arranged in the reactor carries out the solid-liquid separation to prepare drinking water with excellent quality. A perforated aeration pipe is arranged on the lower part of the reactor to be connected with a sludge discharge pip to discharge the residual sludge in the reactor regularly. In order to ensure the membrane flux, a membrane reverse washing system carries out the reverse washing for the ultrafiltration membrane components regularly. The invention combines the coagulation effect and the biological effect with the ultrafiltration physical interception effect so that the manufacturing cost and the operation cost are remarkably reduced, while the invention is a novel advanced purification process of the drinking water with the advantages of high efficiency, energy saving, convenient maintenance and management.
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