Alkaline wastewater purification treatment agent

A technology for purification and wastewater treatment, applied in water/sewage treatment, neutralized water/sewage treatment, water/sludge/sewage treatment, etc. Wastewater COD, BOD and other problems, to achieve a good treatment effect, easy to dehydrate the effect

Inactive Publication Date: 2015-12-16
郑宇欣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the inorganic and organic flocculants currently used are water treatment agents with a single function, such as aluminum-based flocculants such as polyaluminum, aluminum sulfate, and aluminum trichloride, and iron-based flocculants such as polyferric and ferric chloride. It only has coagulation and flocculation efficiency in water, but does not have such functions as oxidation and sterilization. It cannot effectively reduce COD, BOD, etc. in wastewater, and it is also difficult to remove heavy metal ions in wastewater. At the same time, the efficiency of coagulation and sedimentation is also very low. Also easily redissolved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The purification treatment agent for alkaline wastewater consists of three components A, B, and C, wherein the A component is calcium dihydrogen phosphate, aluminum sulfate, polyaluminum chloride, and polyferric sulfate, and the B component is Magnesium oxide, calcium sulfate, sodium silicate, the C component is polyacrylate, polyacrylamide, and the percentages of A, B, and C are 60%, 30%, and 10%.

[0028] In the A component, the weight ratio of calcium dihydrogen phosphate: aluminum sulfate: polyaluminum chloride: polyferric sulfate is 1: 1.5: 0.15: 0.25, and the particle diameter of the A component is 10-50 μm, and wherein 10 -20 μm accounts for 20%, 20-40 μm accounts for 50%, and 40-50 μm accounts for 30%; in the B component, the weight ratio of magnesium oxide: calcium sulfate: sodium silicate is 1:2:1, and The particle size of component B is 10-100 μm, and wherein 10-40 μm accounts for 20%, 40-70 μm accounts for 50%, and 70-100 μm accounts for 30%; In the C compon...

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PUM

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Abstract

The present invention provides an alkaline wastewater purification treatment agent, which is characterized by comprising 50-60% of a component A, 30-40% of a component B and 5-10% of a component C, wherein the component A comprises calcium dihydrogen phosphate, aluminum sulfate, poly aluminum chloride and poly ferric sulfate, the component B comprises magnesium oxide, calcium sulfate and sodium silicate, and the component C comprises polyacrylate and polyacrylamide. According to the present invention, the purification treatment agent is the multifunction wastewater purification treatment agent with the excellent and comprehensive water treatment effect, and with the purification treatment agent, the efficient and accurate wastewater pH value adjusting can be ensured, the organic or inorganic contaminants can be removed through the effective oxidation, the flocculation can be rapidly and efficiently achieved, and the heavy metal ions in the wastewater can be removed.

Description

technical field [0001] The invention relates to the technical field of wastewater purification treatment, in particular to an alkaline wastewater purification treatment agent. Background technique [0002] In recent years, with the continuous development of our society and the rapid progress of science and technology, people's exploration in the field of chemical industry has become more and more in-depth, and various complex and high-concentration industrial production wastewater has also been produced. For example, in industries such as metallurgy, electroplating, and batteries, high-concentration alkaline wastewater is often produced, which also contains high-concentration inorganic salts and heavy metal ions. Especially in the technical fields of metallurgy, electroplating and painting, the industrial wastewater often contains a large amount of organic resins, surfactants, heavy metal ions, paints, pigments, organic solvents and other pollutants, and the COD value change...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F1/66C02F1/62
Inventor 郑宇欣张颖
Owner 郑宇欣
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