AO reactor for water treatment

Abstract

The invention relates to an AO reactor for water treatment, and a use method thereof. The AO reactor comprises a hollow shell, the shell is provided with a plurality of through holes, the external surface of the shell is provided with a plurality of projections in interval, and an anaerobic carrier is filled in the shell. Preferably, the height of each of the projections is 5-10% of the diameter of the shell, the connecting bottom surface area of the projections and the shell is 4*10<-4>-9*10<-4> of the surface area of the shell, and the hole area of the through holes is 70-80% of the surface area of the shell. Compared with reactors in the prior art, the AO reactor for water treatment has the advantages of simultaneous realization of aerobic and anaerobic treatments, more dissolved oxygen by cutting oxygen flowing in the surrounding environment into minimal bubbles because of the design of the projections on the surface of the shell, and benefiting for the breeding growth of aerobionts on the surface of the shell, so it is in favor of decomposing organic matters in water; and undecomposed organic matters pass through the surface of the shell, and can be further decomposed by aerobic microbes in the shell, so an ideal treatment effect is realized.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an AO reactor for water treatment that can simultaneously perform aerobic and anaerobic treatment. Background technique [0002] With the continuous shortage of water resources and the continuous strengthening of environmental pollution control, people have begun to pay attention to the treatment of various sewage and reuse it as much as possible. There are many ways to treat sewage. The more advanced method is to use the biological filler in the bioreactor and the biological reaction tank to fully contact the sewage to cause a biological reaction, so that the sewage can be purified. In the prior art, most of the sewage treatment technologies using biological fillers need to build special aerobic pools and anaerobic tanks, which is inconvenient for system maintenance. The traditional biological fillers must be cleaned during maintenance, which is a large amount of engineering and ...

AI Technical Summary

Problems solved by technology

However, although the porous microbial carrier can reduce the output of sludge, its service life is still not ideal because the waste captured inside it cannot be discharged in time.

Chinese invention patent ZL96106018.2, its porous carrier is a spherical carrier made of crushed stones bonded with adhesives, the processing cost is high, and large-scale mechanized processing cannot be carried out

Moreover, the density of the carrier itself is high, and it is inconvenient to process, transport and install. When the amount of carrier required is large, the basic investment in the construction of the sewage treatment plant will be greatly increased.

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