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Application of Decanter Centrifuge in Wastewater Treatment

Nov. 22, 2020


The sewage treated by the sewage treatment plant will be reused or discharged after necessary treatment methods to make it reach the national water quality control standards. From the perspective of sewage treatment, pollutants can be divided into suspended solid particles, organic pollutants, toxic substances, polluting organisms and polluting nutrients.


Treatment methods can be divided into physical treatment methods, biological treatment methods, sludge treatment from sewage treatment, and chemical treatment methods according to the type of water quality. The physical treatment method is a method that uses physical action to separate and remove pollutants in sewage. Common methods include sieve filtration, gravity separation, centrifugal separation, etc. According to the Decanter Centrifuges Manufacturer, the decanter centrifuge plays an important role in the centrifugal separation processing equipment.


Decanter Centrifuge

Decanter Centrifuge


Sewage is pretreated by treatment equipment such as grids, grit tanks, sedimentation tanks, etc. At this time, there will still be fine solid particles in the sewage. The decanter centrifuge can take advantage of the poor quality between the fine particles and the liquid to mechanically solve the problems that the previous processing equipment cannot handle. The decanter centrifuge is made of centrifugal cast bidirectional stainless steel 2304 or 2205. The internal pusher adopts tungsten carbide alloy sheet inlay protection for more durable and durable. These features provide a guarantee for improving the service life of the Centrifuge.


After the Decanter Centrifuge treatment, the sewage passes through the activated sludge treatment system and the three-stage biological denitrification and phosphorus removal, coagulation sedimentation filtration, activated carbon adsorption, etc., and finally becomes reclaimed water, which is usually called reclaimed water.


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