Method and device for treating high concentration nitrogen waste water by using microorganism

A microbial treatment, high-concentration nitrogen technology, applied in the direction of biological water/sewage treatment, grease/oily substance/suspton removal device, separation method, etc., can solve the problem of poor ammonia nitrogen removal effect, low efficiency, nitrifying bacteria and denitrification Problems such as contradictory bacterial reaction conditions

Inactive Publication Date: 2008-09-10
凌亮
View PDF0 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] What the present invention will solve is that the treatment of high-concentration nitrogen wastewater adopts traditional A 2 The removal effect of ammonia nitrogen in the /O process is not good, and the sludge is only returned to the f...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and device for treating high concentration nitrogen waste water by using microorganism
  • Method and device for treating high concentration nitrogen waste water by using microorganism
  • Method and device for treating high concentration nitrogen waste water by using microorganism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0131] Such as figure 2 As shown, the anaerobic pool 1, the anaerobic pool 2, the aerobic pool 3 and the sedimentation tank 4 constitute four main units in space. The mud return pipeline leads to the anaerobic tank 1 and the facultative tank 2; the anaerobic tank 1 and the facultative tank 2 are respectively provided with independent switches for controlling the sludge return ratio.

[0132] The wastewater entering the system first passes through the air flotation tank for pretreatment to remove oil and suspended solids (and slag). Then the waste water enters the anaerobic pool 1, and the waste water and the anaerobic bacteria mass in the pool undergo biochemical reactions without oxygen supply, degrade some harmful substances in the sewage, and improve the biodegradability of the sewage at the same time, creating conditions for the next stage of treatment. In order to meet the needs of biochemical reactions in anaerobic and anoxic tanks, and provide nutrients and phosphorus...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a method for treating highly concentrated nitrogen wastewater with microorganism and a device to carry out the method. The method comprises the following steps that: wastewater passes an anaerobic pool, a facultative tank, an aerobic pool and a sedimentation pool in sequence for biochemical treatment, and is characterized in that the anaerobic pool, the facultative tank and the aerobic pool are not added with fillings, sludge in the sedimentation pool reflows to the anaerobic pool and the facultative tank through a sludge reflowing pipe. The device comprises the aerobic pool, the facultative tank, the anaerobic pool and the sedimentation pool, a nitration liquid reflowing pipe is arranged between the sedimentation pool and the facultative tank, and is characterized in that the aerobic pool, the facultative tank and the aerobic pool are not added with fillings and sludge reflowing pipes are arranged between the sedimentation pool and the anaerobic pool and the facultative tank respectively. The method is simple in procedures and unnecessary to be added with fillings, thereby saving cost, and is simple in operation management, has better effluent effect and denitrogenation effect superior to the prior A< 2 >/O technology, and is particularly suitable for inflow with ammonia and Nitrogen more than250mg/l.

Description

technical field [0001] The invention belongs to the technical field of using microorganisms to treat wastewater, in particular to a method and device for using microorganisms to treat high-concentration nitrogen wastewater. Background technique [0002] The types of industrial wastewater are different, and the forms of nitrogen compounds contained in them are also different. In most cases, it exists in the form of inorganic nitrogen (mostly ammonia nitrogen). In addition, most of the organic nitrogen can be converted into the form of inorganic nitrogen during biological treatment. . The concentration and form of organic nitrogen or ammonia nitrogen in industrial wastewater depends on several factors, such as the nature of raw materials, the production technology used, water consumption and water reuse, etc. There are many ways to remove ammonia nitrogen from industrial wastewater. At present, the AAO process is widely used in wastewater treatment, that is, AAO process. 2 ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C02F9/14C02F3/30C02F3/34C02F1/52C02F1/24C02F1/40
Inventor 凌亮
Owner 凌亮
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap