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Device and method for processing high-salinity degradation-resistant waste water

A refractory, high-salt technology, used in water/sewage treatment, anaerobic digestion treatment, chemical instruments and methods, etc., can solve problems such as changing sludge sedimentation and effluent SS, affecting biochemical effects, and deteriorating effluent quality. , to achieve the effect of strong adaptability, increasing sludge concentration and wide adaptability

Active Publication Date: 2013-10-16
GUANGZHOU EP ENVIROMENTAL ENG
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Salinity changes the composition of microorganisms in the sludge, changes the sedimentation of the sludge and the SS of the effluent, resulting in serious sludge loss, affecting the biochemical effect, and causing the deterioration of the effluent quality

Method used

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  • Device and method for processing high-salinity degradation-resistant waste water
  • Device and method for processing high-salinity degradation-resistant waste water
  • Device and method for processing high-salinity degradation-resistant waste water

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Embodiment Construction

[0031] like figure 1 As shown, a device for treating high-salinity refractory wastewater includes a salinity homogeneous tank 1 and an anaerobic device 2 fed by the salinity homogeneous tank 1, and the anaerobic device 2 includes an influent at the bottom zone, the reaction zone in the middle and the water outlet zone on the top, the water inlet zone is provided with a water inlet main pipe 3 connected with the salinity homogeneous tank 1, and the reaction zone is provided with a plurality of suspended packing layers 4 from bottom to top, each suspended packing 4 A section of baffle plate 5 is correspondingly provided, and halophilic microbial communities are attached to the suspended packing layer 4. The outlet area is provided with an outlet weir 6, an outlet pipe 7 connected to the outlet weir 6, and a three-phase separator 8.

[0032] Each section of baffles 5 is tilted upwards and staggered to be positioned on the inner wall of anaerobic device 2, forming an angle of 45 d...

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Abstract

The invention relates to a device for processing high-salinity degradation-resistant waste water. The device comprises a salinity homogenizing pool and an anaerobic device, wherein the anaerobic device is internally provided with a plurality of suspended filler layers and a plurality of sections of baffle plates from bottom to top, and halophilic microorganisms are adhered on the suspended filler layers. The invention further relates to a method for processing high-salinity degradation-resistant waste water. The method comprises the steps of domesticating, pretreating and bioprocessing halophilic microbial communities. According to the device and the method, the scope of salinity of the inflowing water is controlled through the salinity homogenizing pool, the anaerobic device is internally provided with the plurality of suspended filler layers and the plurality of sections of baffle plates, different grades of halophilic microorganism communities are adhered on the suspended filler layers, so that the anaerobic device and the treating method can adapt to waste water with gradient-changed salinity, reduce the influence of salinity change on the waste water treatment effect, and also improve the sludge concentration in the anaerobic device, and therefore, the degradation rate of organisms is improved. The device and the method are strong in salinity adaptability and wide in application range.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a device and a treatment method for treating refractory wastewater with high salinity. Background technique [0002] With the development of industry, more and more high-salt-content refractory wastewater, such as pharmaceutical wastewater, oil mining wastewater, chemical industry and printing and dyeing wastewater, etc., has produced a large amount of salt (Cl - , Ca 2+ 、Na + Plasma), containing high concentration of organic pollutants, is a technical problem in the field of wastewater treatment. [0003] This kind of wastewater is usually treated by physicochemical and biological methods. Due to the use of physical and chemical methods, the investment and operation costs are high, and it is difficult to achieve the expected purification effect. Therefore, biological methods are still the focus of research on this kind of wastewater treatment technology. Most of the salts conta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F3/28C02F3/34C02F1/58
CPCY02E50/30
Inventor 曹姝文肖晶黄德智吴早春桂琪张海霞
Owner GUANGZHOU EP ENVIROMENTAL ENG
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