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Primary physicochemical enhanced treatment coagulant for chemical waste water

A technology for intensive treatment of chemical sewage, applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve problems such as high operating costs, enterprise losses, failure to reach environmental protection departments, etc., and achieve fast treatment speed, effective removal, and efficient removal.

Active Publication Date: 2014-11-12
ANHUI SANHUAN PUMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After the completion of many chemical sewage treatment facilities, the operating costs are high, even exceeding the capacity of the sewage discharge enterprises, and the expensive facilities have become decorations.
After chemical companies spend huge sums of money to build sewage treatment stations, the quality of the effluent water cannot meet the standards or the quality of the sewage is unstable, which cannot meet the requirements of the environmental protection department, thus bringing huge losses to the company

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The coagulant for the primary physical and chemical enhanced treatment of chemical sewage is composed of the following raw materials: 10kg of iron sulfate, 8kg of polyaluminum silicate, 4kg of sodium lignosulfonate, 3kg of carbon nanotubes, 5kg of nano-zinc oxide, and 3kg of activated carbon fibers , polyvinyl alcohol 2kg, organic montmorillonite 2kg, phenolic resin 3kg, rapeseed oil 1kg, gas carbon black 1.5kg, propolis 0.5kg, calcium stearate 2kg, iron powder 8kg, wherein the fineness of carbon nanotubes is 10 -20nm, the particle size of nano zinc oxide is 50-100nm.

Embodiment 2

[0015] The coagulant for the primary physical and chemical enhanced treatment of chemical sewage is composed of the following raw materials: 15kg of iron sulfate, 10kg of polyaluminum silicate, 6kg of sodium lignosulfonate, 5kg of carbon nanotubes, 6kg of nano-zinc oxide, and 5kg of activated carbon fibers , polyvinyl alcohol 3kg, organic montmorillonite 4kg, phenolic resin 5kg, rapeseed oil 2kg, gas black 2kg, propolis 1kg, calcium stearate 3kg, iron powder 10kg, wherein the fineness of carbon nanotubes is 10-20nm , the particle size of nano zinc oxide is 50-100nm.

Embodiment 3

[0017] The coagulant for the primary physical and chemical enhanced treatment of chemical sewage is composed of the following raw materials: 18kg of iron sulfate, 12kg of polyaluminum silicate, 9kg of sodium lignosulfonate, 7kg of carbon nanotubes, 8kg of nano-zinc oxide, and 6kg of activated carbon fibers , polyvinyl alcohol 5kg, organic montmorillonite 5kg, phenolic resin 8kg, rapeseed oil 4kg, gas black 3kg, propolis 2kg, calcium stearate 5kg, iron powder 12kg, wherein the fineness of carbon nanotubes is 10-20nm , the particle size of nano zinc oxide is 50-100nm.

[0018] The coagulant described in embodiment 1-3 processes the sewage of a certain chemical fertilizer plant according to the following steps:

[0019] First add iron sulfate, polyaluminum silicate, sodium lignosulfonate, polyvinyl alcohol, phenolic resin, propolis and calcium stearate solids into the chemical tank of the magnetic efficiency sewage treatment machine, and then add water to make an aqueous solution...

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Abstract

The invention discloses a primary physicochemical enhanced treatment coagulant for chemical waste water and relates to the technical field of chemical waste water treatment. The coagulant is prepared from, by weight, 10 kg to 18 kg of ferric sulfate, 8 kg to 12 kg of aluminum polysilicate, 4 kg to 9 kg of sodium lignosulfonate, 3 kg to 7 kg of carbon nanotubes, 5 kg to 8 kg of nano-zinc oxide, 3 kg to 6 kg of activated carbon fiber, 2 kg to 5 kg of polyvinyl alcohol, 2 kg to 5 kg of organic montmorillonite, 3 kg to 8 kg of phenolic resin, 1 kg to 4 kg of rapeseed oil, 1.5 kg to 3 kg of gas carbon black, 0.5 kg to 2 kg of propolis, 2 kg to 5 kg of calcium stearate and 8 kg to 12 kg of iron powder. According to the coagulant, chemical waste water is treated jointly by the carbon nanotubes, the nano-zinc oxide, the activated carbon fiber and other physicochemical reagents, the treatment speed is high, COD and BOD of the waste water can be effectively reduced, and organic matter in the waste water can be effectively removed.

Description

Technical field: [0001] The invention relates to the technical field of chemical sewage treatment, in particular to a coagulant for primary physical and chemical enhanced treatment of chemical sewage. Background technique: [0002] The most important characteristics of chemical wastewater are: large changes in water quality and quantity, low B / C ratio, and poor biodegradability. General chemical sewage also has high chroma, and the pH value is mostly strongly acidic or strongly alkaline, so it is difficult to treat, and the treatment of chemical sewage has become a worldwide problem. [0003] After the completion of many chemical sewage treatment facilities, the operating costs are high, even exceeding the capacity of the sewage enterprises, and the expensive facilities have become decorations. After chemical companies spend huge sums of money to build sewage treatment stations, the quality of effluent water cannot meet the standard or the quality of sewage is unstable, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52
Inventor 严超
Owner ANHUI SANHUAN PUMP
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