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Treatment method of high-concentration ammonia nitrogenous wastewater and double-phase isolation film and preparation method thereof

A two-phase separation, ammonia nitrogen wastewater technology, applied in water/sewage treatment, neutralized water/sewage treatment, water/sewage multi-stage treatment, etc. The problem of high energy consumption in operation can reduce membrane fouling, the preparation method is simple, and the operation and management are convenient.

Inactive Publication Date: 2007-09-19
BEIJING BAICUN ENVIRONMENT PROTECTION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-concentration ammonia-nitrogen wastewater in order to solve the problems of low strength of separation membrane, poor pressure resistance, easy pollution, high treatment cost of existing high-concentration ammonia-nitrogen wastewater, high energy consumption in operation, and secondary pollution. Treatment method and two-phase separation membrane and preparation method thereof

Method used

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specific Embodiment approach 1

[0011] Specific Embodiment 1: In this embodiment, the dual-phase separation membrane is made of 98-102 parts of high molecular polymer materials, 0.001-5 parts of titanium dioxide fibers with a fiber length of 5-100 nm, and 0.01-3.5 parts of chemical fiber fabrics according to the ratio of parts by mass; Among them, the high molecular polymer material is polypropylene or polyvinylidene fluoride; the chemical fiber fabric is polypropylene or acrylic.

[0012] The two-phase separation membrane of this embodiment has high strength and strong pressure resistance, and can withstand 5-6Kg / cm 2 pressure difference.

specific Embodiment approach 2

[0013] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the dual-phase separation membrane consists of 100 parts of high molecular polymer materials, 0.01 to 4.8 parts of titanium dioxide fibers with a fiber length of 10 to 50 nm and 0.1 parts by mass. ~3.4 parts made of chemical fiber fabric. Others are the same as the first embodiment.

specific Embodiment approach 3

[0014] Specific embodiment three: The dual-phase separation membrane of this embodiment is prepared according to the following steps: 98 to 102 parts of high molecular polymer materials, 0.001 to 5 parts of titanium dioxide fibers with a fiber length of 5 to 100 nm and 0.01 to 3.5 parts Chemical fiber fabrics are mixed, then stirred at 160-240°C and the stirring speed is 500-3000r / min for 0.5-8h, and dried to form a two-phase separation membrane; the polymer material is polypropylene or polyvinylidene fluoride; The chemical fiber fabric is polypropylene or acrylic.

[0015] The two-phase separation membrane prepared in this embodiment has high strength and strong pressure resistance, and can withstand 5-6Kg / cm 2 pressure difference.

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Abstract

The present invention discloses a high concentration ammonia nitrogen waste water treatment method, a biphase separation membranes and the preparation method of the same, which relates to a waste water treatment method, a biphase separation membranes and the preparation method of the same. The biphase separation membranes is formed by macromolecule polymeric material of 98~102 by mass share, titanium dioxide fiber with a length of 5~100 nm of 0.001~5 by mass share, and chemical and blended fabric of 0.01~3.5 by mass share. The preparation method of the biphase separation membranes comprises the steps of: the macromolecule polymeric material, nanometer titanium dioxide fiber and chemical and blended fabric are mixed and agitated for 0.5~8 hours at 160~240 DEG C, and then are dried to form the biphase separation membranes. The high concentration ammonia nitrogen waste water treatment method comprises the steps of: (1) the catalyst is added into the waste water which is then subjected to microwave irradiation; (2)the waste water, after microwave irradiation, is flocculating settled and filtrated, and then the pH value of the waste water is adjusted to execute the biphase separation membranes treatment so as to obtain clear water. The biphase separation membranes of the present invention can endure a pressure difference of 0.01~5 Kg / cm<2>. The preparation method of the biphase separation membranes is simple and convenient. The high concentration ammonia nitrogen waste water treatment method of the present invention has an operating method of 5~20 yuan per ton, more than 99% of the ammonia nitrogen can be removed from the waste water.

Description

technical field [0001] The invention relates to a wastewater treatment method, a two-phase separation membrane and a preparation method thereof. Background technique [0002] The eutrophication of the surface water body causes the deterioration of the water environment, the decline of the drinking water quality, and the coastal red tide reaches a very serious level. The key factor causing the eutrophication of the water body is the entry of a large amount of nutrients into the water body. The discharge of high-concentration ammonia nitrogen wastewater is the cause of the The primary factor in nutrition. [0003] Ammonia nitrogen is the main component of a variety of industrial wastewater, including coal chemical industrial wastewater, chemical fertilizer industrial wastewater, leather industry wastewater, pesticide manufacturing wastewater, explosive manufacturing wastewater, chemical wastewater, etc. The concentration of ammonia nitrogen in these industrial wastewaters ran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44B01D71/34B01D71/26B01D67/00
CPCC02F1/725C02F1/66C02F1/52C02F1/302B01D2323/10C02F2101/16B01D2323/12B01D67/0079B01D69/141C02F9/00C02F1/44B01D61/02
Inventor 马军孙胜利罗欣齐向春史玉梅黄河赵仲荣
Owner BEIJING BAICUN ENVIRONMENT PROTECTION SCI & TECH
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