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Composite medicament for water disposal

A compounding agent and water treatment technology, applied in the fields of flocculation/sedimentation water/sewage treatment, sterilization/microdynamic water/sewage treatment, etc., can solve the problems of poor effect, waste of equipment, and low molecular weight.

Inactive Publication Date: 2006-04-26
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN1103628A discloses a "drinking water decontamination technology of permanganate compound agent". Since permanganate compound agent and coagulant need to be added separately, it has wasteful equipment, complicated control, poor effect and low molecular weight and many other disadvantages

Method used

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0004] Specific embodiment one: the water treatment compound agent of this embodiment is made up of permanganate, silicate polymer, auxiliary agent, and their percentage by weight is: permanganate 0.1~50%, silicate polymer 0.1% ~35%, adjuvant 15~80%. The permanganate is potassium permanganate or sodium permanganate; the silicate polymer can form compounds such as high poly-iron-silicon, high-poly-aluminum-silicon or high-poly-iron-silicon with other substances; the auxiliary According to the actual water quality, the agent can be one or a mixture of ferric sulfate, calcium oxide, calcium hydroxide, phosphate, peroxide, hypochlorite, chlorate, special clay, aluminum sulfate, polyaluminum sulfate . The special clay is one or a mixture of activated montmorillonite, pentonite, attapulgite, zeolite and diatomite. In this embodiment, the dosing position of the agent is at the front end of the coagulation process or at the front end of the filtration process, or at the same time at...

specific Embodiment approach 2

[0005] Specific embodiment two: the water treatment compound agent of this embodiment is made up of permanganate, silicate polymer, auxiliary agent, and their percentage by weight is: permanganate 0.1~50%, silicate polymer 0.1% ~35%, adjuvant 15~80%.

specific Embodiment approach 3

[0006] Specific implementation mode three: In this implementation mode, taking the surface water body category 3 as an example, the decontamination agent is formulated to a mass concentration of 0.1-2%, the controlled dosage is 3-20 mg / L, 20% permanganate, silicic acid Salt polymer 15%, adjuvant 65%, adding it to the water body before coagulation, the turbidity removal rate of the filtered water will increase by 30-50%, and the removal rate of organic pollutants will increase by 30-50%. The dosage is 10-15% less than that of conventional chemicals, and the amount of haloform precursors and haloform formation is greatly reduced.

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PUM

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Abstract

The composite water pollutant eliminating chemical preparation consists of permanganate, silicate polymer and adjuvant. The composite water pollutant eliminating chemical preparation contains natural sterilizer and the powerful oxidation property may be utilized to destruct viruses and bacteria, generating less side sterilizing product. The present invention has raised coagulation and filtering effects for eliminating turbid matter, color, algae, bad smell, organic pollutant, mutagenic matter, etc.

Description

Technical field: [0001] The invention relates to a water treatment and decontamination agent. Background technique: [0002] At present, the organic pollution of surface water in China's seven major river basins is generally becoming more and more serious, and the types of pollutants are increasing. Water pollution poses challenges to existing water purification technologies. The data show that the existing purification technology cannot guarantee the safety of drinking water quality. In the process of coagulation and sedimentation, the colloidal particles in the water are difficult to destabilize, the dosage of coagulant is greatly increased, the organic pollutants are difficult to be removed from the water, and the cost of water treatment is greatly increased. In the filtration process, the increase of organic matter in the water will cause the surface of the filter material in the filter to be polluted by organic matter, the surface properties will change, and some or al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F1/50
Inventor 许国仁李圭白
Owner HARBIN INST OF TECH