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High-efficiency denitrification filter

A denitrification filter, high-efficiency technology, applied in anaerobic digestion treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problem of complex structure of denitrification filter

Pending Publication Date: 2018-08-31
BEIJING HUAMING GUANGYUAN ENVIRONMENT TECH
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  • Abstract
  • Description
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Problems solved by technology

[0004] Based on this, it is necessary to provide a high-efficiency denitrification filter with a simple structure and good denitrification effect for the complex structure of the traditional denitrification filter.

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  • High-efficiency denitrification filter

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Embodiment Construction

[0017] In order to make the purpose, technical solution and advantages of the present invention clearer, the high-efficiency denitrification filter of the present invention will be further described in detail through the following examples and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0018] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and similar e...

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Abstract

The invention discloses a high-efficiency denitrification filter which comprises a filter body and a biological filter material, wherein at least one reaction tank is arranged in the filter body; eachreaction tank comprises a first partition wall and a second partition wall opposite to each other along a first horizontal direction; at least two grating plates are arranged between the first partition wall and the second partition wall at intervals along a vertical direction so as to form at least one filter material region in the reaction tank; the filter material regions are filled with the biological filter material; the biological filter material comprises a hollow meshed spherical shell and a porous microbial immobilized carrier arranged inside the hollow meshed spherical shell.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a high-efficiency denitrification filter. Background technique [0002] In recent years, with the increasing emphasis on the ecological environment in China, the quality of sewage treatment by sewage treatment plants has been continuously improved, and one of the important indicators is total nitrogen (TN). The engineering measures commonly used to remove total nitrogen generally include conventional anoxic denitrification tanks and advanced denitrification filter tanks. [0003] The basic principle of denitrification in the denitrification filter is to use the oxidative decomposition of the biofilm attached to the filter material in the reactor, the adsorption and interception of the filter material and the biofilm, and the graded predation of the food chain formed along the direction of water flow, as well as the internal microenvironment of the biofilm. and anoxic denitrificat...

Claims

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Application Information

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IPC IPC(8): C02F3/28
CPCC02F3/2806C02F3/2826C02F3/2866C02F2203/006
Inventor 孔令才刘晓静马帅曾明
Owner BEIJING HUAMING GUANGYUAN ENVIRONMENT TECH
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