Reaction device for deep treatment of drinking water and method for deep treatment of drinking water by water factory

A technology for advanced treatment and drinking water, applied in chemical instruments and methods, multi-stage water/sewage treatment, oxidized water/sewage treatment, etc., can solve problems such as the powerlessness of ammonia nitrogen and limited ability to remove micro-pollutants, and achieve a large amount of engineering , good process adaptability, and the effect of covering a large area

Active Publication Date: 2012-02-01
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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Problems solved by technology

However, this method has limited ability to remove micro-pollutants such as natural organic matter an

Method used

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  • Reaction device for deep treatment of drinking water and method for deep treatment of drinking water by water factory
  • Reaction device for deep treatment of drinking water and method for deep treatment of drinking water by water factory
  • Reaction device for deep treatment of drinking water and method for deep treatment of drinking water by water factory

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Embodiment 1

[0072] Please refer to the figure, the reactor for advanced treatment of drinking water includes static mixer 1, coagulation reaction tank 2, clear water tank 5, perforated plate 8, sludge tank 10, ultrafiltration membrane tank 12, granular activated carbon filter tank 13, granular activated carbon Filter bed 14, ultrafiltration membrane module 15, outlet pipe 16, vacuum gauge 17, suction pump 18, air compressor 19, aeration pipeline 21, aeration device 22, intermediate pool 23, main ozone oxidation tank 24 and lifting pump 27, etc.;

[0073] A perforated plate 8 is installed in the ultrafiltration membrane pool 12, and the top of the space formed between one side of the perforated plate 8 and the pool wall of the ultrafiltration membrane pool 12 is set to an opening; The other side of the perforated plate 8 is equipped with 4 groups of ultrafiltration membrane modules 15 to form a membrane filtration area, and the ultrafiltration membrane modules are submerged membrane module...

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Abstract

The invention relates to the field of drinking water treatment, in particular to a reaction device for deep treatment of drinking water and a method for deep treatment of the drinking water by a water factory. In order to realize the goal of transforming the conventional drinking water treatment process into the deep treatment process, the reaction device and the method adopt the scheme that (1) a static mixer and a coagulation reaction pool are not changed; (2) a sedimentation pool is transformed into an ultrafiltration membrane pool; (3) a medium water pool and a lifting pump used for waterlifting are additionally arranged at the back end of the ultrafiltration membrane pool; (4) a main ozone oxidization pool is in additional arrangement; and (5) an original sand filter pool is transformed into a particular active carbon filter pool. The coagulation and the ultrafiltration are combined, particular colloid and macromolecular organic matters in the water are removed, difficult-to-degrade pollutants are damaged through ozone oxidization, in addition, the macromolecular organic matters are converted into middle and small molecular weight organic matters, and organic matters and pollutants such as ammonia nitrogen and the like in the water are further reduced through the absorption of particular active carbon and the biological degradation of microbes grown on the surface.

Description

technical field [0001] The invention relates to the field of drinking water treatment, in particular to transforming a conventional drinking water treatment reactor into a drinking water advanced treatment reactor, and a method for water plants to use the drinking water advanced treatment reactor to carry out drinking water advanced treatment. Background technique [0002] my country will enforce the "Drinking Water Sanitation Standard (GB5749-2006)" in 2012. Compared with the "Drinking Water Sanitation Standard (GB5749-1985)", the new drinking water standard has greatly increased the indicators of synthetic organic substances such as pesticide chemicals and disinfection by-products, and set the limit of ammonia nitrogen concentration in water to 0.5mg / L. In addition, drinking water sources in some cities are polluted by natural organic matter, and oxygen consumption is difficult to meet the standard; some cities have pollution problems such as algae and their metabolites,...

Claims

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Application Information

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IPC IPC(8): C02F1/28C02F1/78C02F7/00C02F1/44C02F1/52C02F9/08
CPCY02W10/10
Inventor 刘锐平曲久辉兰华春俞文正郭婷婷鞠佳伟
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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