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High-load self-circulating in vitro anaerobic granular sludge suspended bed reactor

An anaerobic granular sludge and self-circulation technology, applied in the field of environmental engineering, can solve the problems of difficult replacement, pipeline blockage, low operation efficiency, etc., and achieve the effect of increasing the contact area, facilitating disassembly and replacement, and high biological purification efficiency.

Inactive Publication Date: 2008-09-03
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The internal circulation reactor (IC reactor) also has obvious defects, which can easily cause the following problems during operation: (1) pipeline blockage
(2) Cannot be cleaned and replaced
When the sludge is clogged, it is difficult to clean and replace the internal circulation pipeline deep in the reactor
(3) The efficiency of the reactor is low at low load, and the mass transfer effect at high load is not ideal

Method used

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  • High-load self-circulating in vitro anaerobic granular sludge suspended bed reactor
  • High-load self-circulating in vitro anaerobic granular sludge suspended bed reactor

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Embodiment Construction

[0012] Accompanying drawing is the specific embodiment of the present invention;

[0013] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0014] refer to figure 1 As shown, the present invention includes a main reaction chamber 4, and one end in the main reaction chamber 4 is provided with a three-phase separator 3, and the three-phase separator 3 is connected to the gas riser 2, and the gas riser 2 is connected to the gas-liquid separator 1, and the gas-liquid The separator 1 is arranged outside the main reaction chamber 4, the gas-liquid separator 1 is provided with a biogas outlet 13, the other end outside the main reaction chamber 4 is connected with a water distribution device 6, and the water distribution device 6 is connected with a jet 7, The ejector 7 is connected with the water pump 9 , and the ejector 7 is also connected with a return pipe 8 , and the upper part of the return pipe 8 communicates with the gas-l...

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Abstract

The invention discloses a high-load self-circulating in vitro anaerobic granular sludge suspended bed reactor comprising a main reaction chamber whose one end is provided with a three-phase separator, the three-phase separator is connected with a gas lifting tube connected with a gas-liquid separator, the gas-liquid separator is arranged outside the main reaction chamber and is provided with a biogas exit, the other ends of the main reaction chamber is connected with a water distributing equipment connected with ejectors.

Description

technical field [0001] The invention belongs to the technical fields of environmental engineering and water pollution control, and in particular relates to a high-load external self-circulating anaerobic granular sludge suspension bed reactor for realizing the reuse and zero discharge of papermaking industrial wastewater, industrial wastewater reuse and closed cycle. Background technique [0002] The anaerobic treatment technology of wastewater is playing a huge role in domestic and foreign wastewater treatment due to its advantages of low operating cost, energy saving, less sludge and easy disposal, and has become a recognized high-efficiency, energy-saving and low-cost technology in the field of wastewater treatment at home and abroad. advanced technology. [0003] The core technology of anaerobic wastewater treatment is anaerobic bioreactor. At present, the UASB reactor has become the most important and popular anaerobic reactor. The UASB reactors in countries all over t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/28
CPCY02E50/30
Inventor 贺延龄皇甫浩
Owner XI AN JIAOTONG UNIV