Ammonia water permo-treatment method for high-salinity wastewater

A technology for high-salt wastewater and treatment methods, which is applied in the directions of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., and can solve the problem of high treatment costs

Inactive Publication Date: 2015-12-30
安徽洋森环保节能科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the treatment methods of high-salt wastewater include distillation, reverse osmosis, ion exchange, etc., and the treatment costs are relatively high.

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Embodiment Construction

[0016] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present invention.

[0017] Such as figure 2 Shown, a kind of equipment that utilizes the ammonia water osmotic treatment method of high-salt wastewater, including grid canal 1, high-salt wastewater pool 2, ammonia solution pool 3, stripping tower 4 and low-concentration ammonia solution pool 5, high-salt wastewater pool A semi-permeable membrane is set between 2 and the ammonia solution pool 3, the grid channel 1 is connected to the high-salt wastewater pool 2, the ammonia sol...

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Abstract

The invention provides an ammonia water permo-treatment method for high-salinity wastewater and relates to the technical field of high-salinity wastewater treatment. High-salinity wastewater is treated through a grating channel and enters a high-salinity wastewater tank after suspended pollutants are removed, water in the high-salinity wastewater permeates to an ammonia water solution through a semipermeable membrane, ammonia gas discharged from the ammonia water solution is stripped and recycled through a stripping tower and complementarily dissolved in the ammonia water solution for permeation, the concentration of the ammonia water solution is increased, the low-concentration ammonia water solution discharged from the stripping tower is further treated, and high-quality water is obtained. Meanwhile, valuable salt in concentrated salt in the discharged high-salinity wastewater is recovered, and ammonia gas is working gas and is circularly used in the treatment process and supplemented regularly. Compared with a conventional reverse osmosis process, the ammonia water osmosis treatment method has the advantages that two main energy consumption components, namely, a high-pressure pump and a booster bump are omitted, and instead, stripping treatment of ammonia water is adopted; the investment and operation costs are reduced, the service life is long, the salt recycling rate is high and the like.

Description

technical field [0001] The invention relates to the technical field of high-salt wastewater treatment, in particular to an ammonia water permeation treatment method for high-salt wastewater. Background technique [0002] At present, the treatment methods of high-salt wastewater include distillation, reverse osmosis, ion exchange, etc., and the treatment costs are relatively high. Contents of the invention [0003] The object of the present invention is to provide a kind of ammonia permeation treatment method of high-salt wastewater, to solve the above-mentioned technical problems. Improve the traditional process and introduce a new treatment method, that is, the osmosis method, using ammonia water as a dilute solution, and using a membrane that cannot pass through the solute but can only pass through the solvent as a semi-permeable membrane, that is, the solute in the high-salt wastewater cannot pass through. Through the semi-permeable membrane, the solvent, that is, pure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08C02F101/10
Inventor 杨磊朱正国宋倩倩
Owner 安徽洋森环保节能科技有限公司
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