Spiral-wound membrane aeration bioreactor and preparation method thereof

A technology of aerated organisms and reactors, applied in chemical instruments and methods, sustainable biological treatment, biological water/sewage treatment, etc., to achieve the effects of improving removal efficiency, improving aeration efficiency, and reducing energy consumption

Active Publication Date: 2020-10-02
湖南叶之能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, there is little research on MABR operating under aerobic or facultative conditions. Systematic design of MABR structure can improve aeration efficiency, control oxygen transmission efficiency and COD (chemical oxygen demand) removal under corresponding conditions. There are fewer studies on removal rates

Method used

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  • Spiral-wound membrane aeration bioreactor and preparation method thereof
  • Spiral-wound membrane aeration bioreactor and preparation method thereof
  • Spiral-wound membrane aeration bioreactor and preparation method thereof

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Embodiment Construction

[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0034] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific ...

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Abstract

The invention discloses a spiral-wound membrane aeration bioreactor. The reactor comprises: a cylindrical spiral-wound MABR membrane body, wherein the spiral-wound MABR membrane body comprises a central air inlet pipe and a biological membrane group rolled on the air inlet pipe; an air outlet structure is arranged on a pipe body of the air inlet pipe; the biological membrane group comprises an oxygen-permeable hydrophobic membrane bag and an aeration filler from outside to inside, the oxygen-permeable hydrophobic membrane bag is of a bag type structure with three sealed sides and an opening inone side, the opening of the oxygen-permeable hydrophobic membrane bag is communicated with the air outlet structure of the air inlet pipe, and an air conveying separation net is placed in the oxygen-permeable hydrophobic membrane bag; the aeration filler is a flat plate type filler, and an aeration structure is arranged on the flat plate; and an air outlet pipe arranged on the outer side of thespiral-wound MABR membrane body and communicated with the oxygen-permeable hydrophobic membrane bag. The spiral-wound MABR membrane body is composed of the aeration filler and the oxygen-permeable hydrophobic membrane bag and is formed by alternately and spirally rolling the aeration filler and the oxygen-permeable hydrophobic membrane bag, and the MABR membrane assembly with high packing densityis obtained, so that the aeration efficiency is improved, and the energy consumption is reduced.

Description

technical field [0001] The invention relates to the technical field of water treatment membranes, in particular to a roll-type membrane aeration bioreactor. Background technique [0002] The roll-type MABR (Membrane Aerated Biofilm Reactor) membrane is an oxygen transfer biofilm reactor. Its working principle is to use the synergy between the selective gas-permeable membrane and the growth-type biofilm attached to it, and use the gas-permeable membrane to transmit oxygen to the gas-permeable membrane. The biofilm on the surface (the biofilm is cultivated on the surface of the oxygen-permeable membrane after the operation of the roll-type MABR membrane), and at the same time substances such as ammonia and organic matter diffuse into the biofilm from the sewage, so that the MABR installed in the anoxic pool is good Oxygen biofilm (with nitrifying bacteria as the dominant bacteria) and denitrifying bacteria suspended in the anoxic zone realize simultaneous nitrification and den...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/10
CPCC02F3/102Y02W10/10
Inventor 谭叶梅
Owner 湖南叶之能科技有限公司
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