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Membrane-flocculation sediment sewage treatment systems

A sewage treatment system and flocculation technology, applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve the problem of difficult to improve the treatment efficiency, and achieve the effect of high efficiency

Active Publication Date: 2005-07-27
江苏环保产业股份有限公司
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the problem that the treatment efficiency of conventional membrane bioreactors is difficult to improve in the treatment of industrial wastewater, and to provide a combination process of membrane bioreactors and conventional physical and chemical treatment methods, so that the enhanced biochemical treatment method and the physical and chemical treatment method are complementary , to obtain high-quality effluent

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  • Membrane-flocculation sediment sewage treatment systems

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Embodiment Construction

[0011] figure 1 Shown is a schematic diagram of the membrane-flocculation sedimentation sewage treatment system. In the present invention, the waste water is pretreated sequentially through the grid 1 and the regulating tank 2 along the pipeline, and then enters the membrane bioreactor 4 through the water inlet pump 3, and the membrane module is soaked in the membrane bioreactor. Blower 8 inhales air to aerate in the membrane bioreactor, the wastewater is purified after reacting with activated sludge in the membrane bioreactor, and the wastewater is filtered through the membrane module to block the suspended solids in the membrane bioreactor. The clear water permeates the membrane under the suction of the suction pump 5 and enters the flocculation and sedimentation tank 7 through the pipeline. The dosing system 6 adds a flocculant to the effluent of the membrane bioreactor, and the mixed wastewater enters the flocculation and sedimentation tank. Further remove colloids and m...

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Abstract

A membrane-flocculated settling sewage treating system consists of a pretreated device with a grille(1) and a regulating pool(2), a water inlet pump(3), a membrane biological reactor(4), a pump(5), a flocculated settling pool(7) and a fan(8). It achieves to treat dissolved difficult sewage and decrease medicament input account.

Description

Technical field: [0001] The invention relates to a membrane-flocculation sedimentation sewage treatment system. Background technique: [0002] In recent years, due to the rapid development of contemporary industry, the types of artificially synthesized organic substances have increased rapidly. At present, there are more than 7 million types of organic matter, and the number is increasing at a rate of more than 1,000 per year. A considerable part of these organic substances are difficult to be biodegraded and have toxic effects on organisms. Traditional biological treatment methods and physical and chemical treatment methods are difficult to meet the sewage treatment discharge standards. Even as a membrane bioreactor for enhanced biotechnology, it is mostly used for the treatment of domestic sewage. In the treatment of industrial wastewater, especially industrial wastewater containing refractory organic matter, due to the influence of a large number of refractory biodegra...

Claims

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Application Information

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IPC IPC(8): C02F1/52
Inventor 陆继来夏明芳吴海锁
Owner 江苏环保产业股份有限公司