Ultrasonic-coupling integrated wastewater treatment device, method and system
A wastewater treatment and ultrasonic coupling technology, applied in special compound water treatment, oxidized water/sewage treatment, water/sewage treatment, etc.
Pending Publication Date: 2019-08-30
BEIJING WANBANGDA ENVIRONMENTAL PROTECTION TECH
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The current wastewater treatment technology based on the Fenton reaction still has many deficiencies, and there is room for improvement
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[0048] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.
[0049] Various schematic diagrams according to disclosed embodiments of the invention are shown in the accompanying drawings. The figures are not drawn to scale, with certain details exaggerated and possibly omitted for clarity of presentation. The shapes of various regions and layers shown in the figure, as well as their relative sizes and positional relationships are only exemplary, and may deviate due to manufacturing tolerances or technical limitations in practice, and those skilled in the art may Regions / layers with ...
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The invention provides an ultrasonic-coupling integrated wastewater treatment device, method and system. On one hand, membrane separation and a Fenton reaction are integrated, free radicals generatedby the Fenton reaction can be used for oxidizing organic matter, metal complexes and inorganic matter, and various pollutants can be removed simultaneously through effects such as adsorption, complexing, co-precipitation and the like of metal hydroxide floc. Non-reversible pollution of a filter membrane can be greatly reduced through the characteristics, and fouling probability of the filter membrane is reduced. The filter membrane is positioned in a containing cavity, disturbance caused by a mixer can simultaneously and continuously cause disturbance of the ferric hydroxide floc accumulated on the filter membrane, zero-valent iron particles are disturbed on the surface of the filter membrane, and the on-line membrane cleaning effect can be achieved by combining the in-situ generated freeradical oxidizing agent, so that burden of the filter membrane can be further reduced, and fouling of the filter membrane can be further prevented. Compared with a Fenton reaction and membrane separation non-integrated device, the device provided by the invention has a greatly reduced fouling phenomenon of the filter membrane. In addition, cavitation, pyrolysis and mechanical vibration of ultrasonic waves can have a synergistic effect with the Fenton reaction, and the device can be used for continuous wastewater treatment.
Description
technical field [0001] The present invention relates to the technical field of wastewater treatment, and more specifically, to an ultrasonically coupled integrated wastewater treatment device, method and system. Background technique [0002] The Fenton reaction reacts with ferrous ions (Fe 2+ ) as a catalyst, hydrogen peroxide (H 2 o 2 ) is a wastewater treatment method of chemical oxidation, which generates hydroxyl radicals through the reaction of ferrous ions and hydrogen peroxide, and the hydroxyl radicals can destroy organic matter in wastewater or complexes of organic matter and heavy metals, thereby achieving the purpose of wastewater degradation. The current wastewater treatment technology based on Fenton reaction still has many deficiencies, and there is room for improvement. Contents of the invention [0003] In order to solve the above deficiencies, this application improves the wastewater treatment technology of Fenton reaction or Fenton-like reaction, and c...
Claims
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Login to View More IPC IPC(8): C02F1/72C02F1/66C02F1/52C02F1/36C02F1/44C02F101/30C02F101/20
CPCC02F1/725C02F1/66C02F1/36C02F1/5236C02F1/44C02F1/722C02F2305/023C02F2305/026C02F2303/14C02F2101/20C02F2101/30
Inventor 陈发源范飞梁琪柴云王伟
Owner BEIJING WANBANGDA ENVIRONMENTAL PROTECTION TECH