Hospital sewage treatment MBR process

A sewage treatment and hospital technology, which is applied in the field of hospital sewage treatment MBR technology, can solve the problems of ineffective sterilization, no sewage purification sewage treatment system, hidden dangers of disease transmission, etc., and achieve good water quality, small footprint and convenient construction convenient effect

Inactive Publication Date: 2015-09-30
江西省恩皓环保有限公司
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Problems solved by technology

If the infectious sewage produced by patients and the sewage produced by treatment are directly discharged into the municipal pipe network for conventional sewage treatment, pollutants with infectious germs (contaminants carrying bacteri

Method used

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Example Embodiment

[0017] Example

[0018] The hospital sewage treatment MBR process in the present embodiment, its treatment steps are as follows:

[0019] (1) Hospital sewage enters from the water inlet on the upper part of the sewage treatment tank, and is filtered through the filter grid to achieve solid-liquid separation. The solid matter remains on the upper part of the filter grid, and the liquid water enters the filter grid and is separated. Flow from the outlet of the lower part of the tank into the hydrolytic acidification tank connected to the outlet of the tank;

[0020] (2) The liquid sewage enters the hydrolytic acidification tank, where hydrolytic acid-producing bacteria are placed, and the insoluble organic matter in the liquid sewage is hydrolyzed into soluble organic matter, so that the macromolecular organic matter is decomposed into small molecular organic matter, which is convenient for subsequent processing;

[0021] (3) The sewage after acidification treatment flows into ...

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Abstract

The invention relates to a hospital sewage treatment MBR process. The process includes the following treatment steps that 1, hospital sewage enters the water inlet of the upper portion of a box body of a sewage treatment box, and solid and liquid separation is achieved after the sewage is filtered through a filtering grating; 2, liquid sewage enters a hydrolysis acidification pool, and hydrolysis acid producing bacteria are placed in the hydrolysis acidification pool; 3, acidified sewage flows into an anaerobic digester and enters an aerobic tank; 4, a sludge and water mixture obtained in the step 3 is further treated and enters an MBR membrane pool connected with the bottom of the aerobic tank. By means of the technical scheme, the occupied area is small; the MBR membrane sewage treatment process and the traditional activated sludge process are combined, and the outlet water quality is good and stable and is not influenced by MBR membrane quality and water source problems. The outlet water quality is stable, and no sludge expansion is produced. Operation is easy, construction is convenient, and no special maintenance is needed.

Description

technical field [0001] The invention relates to a hospital sewage treatment MBR process, which belongs to the technical field of hospital sewage treatment. Background technique [0002] The source and composition of medical wastewater are very complex, containing a large number of pathogenic microorganisms, toxic and harmful physical and chemical pollutants, and having the characteristics of space pollution, acute infection, latent infection, etc. If it is discharged directly without effective treatment, it will become a source of disease spread important way. At present, large hospitals have certain wastewater treatment systems, but small-scale hospitals are relatively weak in wastewater treatment. Therefore, it is very necessary to find a cheap and easy-to-operate method that can kill microorganisms in sewage and improve water quality. [0003] In the field of sewage treatment and water resource reuse, MBR, also known as Membrane Bio-Reactor (Membrane Bio-Reactor), is a n...

Claims

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Application Information

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IPC IPC(8): C02F9/14
Inventor 万飞平邹行平邓德午万长勇
Owner 江西省恩皓环保有限公司
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