Wastewater treatment device and treatment method thereof
A technology for wastewater treatment and installation, which is applied in water/sewage treatment, multi-stage water/sewage treatment, oxidized water/sewage treatment, etc. The effect of good treatment
Pending Publication Date: 2020-04-10
MAIWANG INT BUSINESS SHANGHAI
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Problems solved by technology
[0004] After the second biochemical treatment of the wastewater discharged from industrial enterprises, the B / C of the wastewater is already very low, but the COD still cannot meet the discharge requirements or the requirements of the water return system. At this time, it is necessary to further reduce the COD value or increase the B / C. And the traditional ozone oxidation technology or other traditional advanced oxidation technology cannot meet the requirements, so a more efficient advanced oxidation technology is needed
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[0037] Various exemplary embodiments, features, and aspects of the invention will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
[0038] Provide a waste water treatment device based on the combination of multiphase oxidation and high-speed mechanical rotation, which adopts double-layer impeller mixer mechanical mixing, ozone and hydrogen peroxide layers, and multi-point (referred to as multi-point) dosing methods to make the water vapor fully Mixed reaction, process and equipment to achieve multiple functions of treating refractory organic matter, improving wastewater biodegradability and detoxification. It has a good treatment effect on the pretreatment of refractory wastewater before biochemical treatment and the...
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The invention discloses a wastewater treatment device and a treatment method thereof. The wastewater treatment device is based on the combination of multiphase oxidation and high-speed mechanical rotation; a high-speed mechanical strengthening and ozone combined mode is adopted; ozone and hydrogen peroxide layering and multi-position-point adding modes are adopted, and high-speed stirring is carried out by utilizing a multi-layer impeller; ozone and hydrogen peroxide are fully mixed and react, meanwhile, the synergistic effect of ozone and hydrogen peroxide is utilized; hydroxyl free radicalswith strong oxidizing property are generated; the hydroxyl free radicals and water to be treated are fully mixed and react to oxidize and decompose non-biodegradable organic matters; therefore, organic matters which are difficult to biochemically degrade are subjected to ring opening and chain scission, multiple effects of degrading the organic matters, improving the biodegradability of wastewater, detoxifying and the like are achieved, and a good treatment effect is achieved on pretreatment of wastewater which is difficult to biochemically degrade before biochemistry and advanced treatment ofthe wastewater which is difficult to biochemically degrade and has COD below 300mg / L after biochemistry.
Description
technical field [0001] The invention relates to the field of waste water treatment, in particular to a waste water treatment device and a treatment method thereof which can degrade organic matter and improve waste water treatment efficiency by opening and breaking chains of refractory biochemical substances by means of high-speed mechanical strengthening and mixing. Background technique [0002] At present, many chemical industry wastewaters have the characteristics of large displacement, complex pollutant components, and poor biodegradability. With the improvement of wastewater discharge standards by the national environmental protection department and the requirements of sustainable development of enterprises, the recycling of water resources is imminent. The effective pretreatment technology and advanced treatment technology of wastewater are the key to solve the wastewater can meet the standard or reuse requirements. [0003] A lot of wastewater discharged from industria...
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IPC IPC(8): C02F9/04C02F1/72C02F1/78C02F101/30
CPCC02F1/78C02F1/722C02F2101/30
Inventor 郭建明
Owner MAIWANG INT BUSINESS SHANGHAI