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Device and method for promoting nitrosation-anaerobic ammonia oxidation granulation through UMABR reactor

An anaerobic ammonia oxidation and reactor technology, which is applied in chemical instruments and methods, aerobic and anaerobic process treatment, water treatment parameter control, etc., to achieve simplified management process, low sludge yield, and reduced reactor volume. Effect

Active Publication Date: 2017-07-04
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is difficult to realize the granulation of sludge in a short period of time.

Method used

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  • Device and method for promoting nitrosation-anaerobic ammonia oxidation granulation through UMABR reactor
  • Device and method for promoting nitrosation-anaerobic ammonia oxidation granulation through UMABR reactor
  • Device and method for promoting nitrosation-anaerobic ammonia oxidation granulation through UMABR reactor

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and embodiment the patent application is further described: as figure 1 Shown, UMABR bioreactor nitrosation-ANAMMOX granulation device and method, described device is provided with raw water water tank 17, UMABR reactor 14, oxygen supply device 1, gas collection device 5.; The temperature control heating device 18, the raw liquid enters the UMABR reactor 14 through the water inlet pipe 12, and the water inlet peristaltic pump 13. The top of the UMABR reactor 14 is equipped with a gas-liquid separation glass funnel 4 connected to the gas collection device 5, and the gas and liquid are separated to reduce biomass. The loss of the oxygen supply device 1 and the UMABR reactor 14 is provided with a gas pressure gauge 2 and a needle valve 19 to control the supply rate of oxygen. The oxygen is supplied to the UMABR reactor 14 through the inlet pipe 3, and the UMABR reactor 14 is provided with Cylindrical stainless steel platform 1...

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Abstract

The invention discloses a device and method for promoting nitrosation-anaerobic ammonia oxidation granulation through a UMABR reactor and belongs to the technical field of wastewater biological nitrogen removal. The device comprises a raw water tank, a UMABR reactor, an oxygen supply device, a gas collection device and an overflow bottle. A temperature control heating device is arranged in the raw water tank. The top of the UMABR reactor is provided with a glass funnel for separating gas and a liquid so that a biomass loss is reduced. The rear surface of the glass funnel gas separator is connected to the gas collection device. A gas pressure gauge and a needle valve for controlling an oxygen supply rate are arranged between the oxygen supply device and the reactor. The overflow bottle is arranged at a water outlet so that a part of outlet water passes through a reflux pump and is mixed with water. A DO, PH and ORP online monitoring device is arranged in the overflow bottle. The method comprises starting the UMABR reactor for promoting nitrosation-anaerobic ammonia oxidation granulation. The device and method are suitable for nitrosation-anaerobic ammonia oxidation biological denitrification of wastewater. The device has an advanced simple structure and has the advantages of energy saving and consumption reduction.

Description

technical field [0001] The invention relates to a device and method for a UMABR reactor to promote nitrosation-anammox granulation, belongs to the technical field of wastewater biological denitrification, and is applicable to wastewater nitrosation-anammox biological denitrification. Background technique [0002] With the pollution of nitrogen to the water environment, the removal process of ammonia nitrogen is also being updated day by day. Nitrosation-ANAMMOX is a new type of denitrification process, and nitrosation-ANAMMOX process is a promising denitrification technology in sustainable sewage treatment technology. However, this process still needs to be further studied. The nitrification process uses ammonia oxidizing bacteria (AOB) to convert 56% of the NH 4 + -N oxidation to NO 2 -N, ANAMMOX is to convert the remaining NH 4 + -N and generated NO 2 -N reacts to generate N 2 . Therefore, nitrosation-ANAMMOX has the advantages of saving carbon sources, saving oxy...

Claims

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Application Information

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IPC IPC(8): C02F3/30
CPCC02F3/301C02F2209/04C02F2209/06
Inventor 李冬朱金凤赵世勋关宏伟张杰
Owner BEIJING UNIV OF TECH
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