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A kind of treatment method of ammonium perchlorate waste water

A technology of ammonium perchlorate and treatment method, applied in the direction of biological water/sewage treatment, method using microorganisms, water/sludge/sewage treatment, etc., to achieve the effect of improving the removal effect, simple process operation, and easy operation

Active Publication Date: 2021-05-28
XI AN JIAOTONG UNIV
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Problems solved by technology

Studies have shown that the microbial method is a feasible method for removing ammonium perchlorate, but it is necessary to consider providing sufficient electron donors for the microbial system during the biological treatment process. Economic rationality and process operability need to be further evaluated and improved

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  • A kind of treatment method of ammonium perchlorate waste water

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Embodiment Construction

[0032] In order to make the purpose, technical effects and technical solutions of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments It is a part of the embodiment of the present invention. Based on the disclosed embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall all fall within the protection scope of the present invention.

[0033]The treatment method of a kind of ammonium perchlorate waste water of the embodiment of the present invention, comprises: (1) food waste hydrogen generation acid generation stage, (2) methane generation stage, (3) ammonium perchlorate reducing bacteria acclimation stage, ( 4) the primary degradation stage of ammonium perc...

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Abstract

The invention discloses a method for treating ammonium perchlorate waste water, which comprises the following steps: obtaining intermediate product hydrogen and volatile fatty acid through anaerobic digestion of kitchen waste to produce hydrogen and acid; using the intermediate product hydrogen and volatile fatty acid as The reduction of ammonium perchlorate by perchlorate-reducing bacteria provides electron donors and carbon sources; a three-stage degradation joint process of hydrogen autotrophic reduction, organic acid heterotrophic reduction and iron / sulfur autotrophic reduction is used to reduce ammonium perchlorate For chloride ions, reduce the concentration of ammonium perchlorate wastewater, and complete the treatment of ammonium perchlorate wastewater. The invention can remarkably improve the removal effect of ammonium perchlorate wastewater, and at the same time generate methane as clean energy for life and production, thereby significantly improving economical rationality and process operability.

Description

technical field [0001] The invention belongs to the technical field of environmental biology and relates to anaerobic digestion and perchlorate biological reduction methods, in particular to a treatment method for ammonium perchlorate wastewater. Background technique [0002] As a strong oxidant, ammonium perchlorate has been widely used in rocket solid propellants, missile fuels, explosives and other aerospace and military industries in recent years. Ammonium perchlorate in discarded rocket engines and explosives will produce a large amount of ammonium perchlorate wastewater, which needs to be solved urgently. [0003] At present, the treatment methods of ammonium perchlorate wastewater include physical chemical method and biological method. Physicochemical methods include activated carbon / biomass adsorption method, ion exchange method, reverse osmosis membrane separation method (reverse osmosis RO, ultrafiltration UF, nanofiltration NF), etc. Among them, activated carbon ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/34C12P5/02C12N1/36C02F101/12
CPCC02F3/34C02F2101/12C12N1/36C12P5/023Y02E50/30
Inventor 高宁博程丽杰全翠
Owner XI AN JIAOTONG UNIV
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