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A purification treatment agent for alkaline wastewater

A technology for purification and wastewater treatment, applied in water/sewage treatment, neutralized water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of no oxidation and bactericidal effect, low coagulation and sedimentation efficiency, and difficulty in removing wastewater Heavy metal ions and other problems, to achieve a good treatment effect, easy to dehydrate the effect

Inactive Publication Date: 2017-06-06
郑宇欣
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  • Abstract
  • Description
  • Claims
  • Application Information

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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
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Embodiment 1

[0027] The purification treatment agent for alkaline wastewater is composed 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 and 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 size of the A component is 10-50 μm, and 10 -20μm accounts for 20%, 20-40μm accounts for 50%, and 40-50μm 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 the B component is 10-100μm, and 10-40μm accounts for 20%, 40-70μm accounts for 50%, and 70-100μm accounts for 30%; in the C component, polyacrylate: poly...

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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 a purification treatment agent for alkaline wastewater. Background technique [0002] In recent years, with the continuous development of our society and the rapid advancement of science and technology, people have been exploring more and more in the chemical industry, and various complex and high-concentration industrial wastewater have also been produced. For example, in metallurgy, electroplating, battery and other industries, high-concentration alkaline wastewater is often produced, and it also contains high-concentration inorganic salts and heavy metal ions. Especially in the technical fields such as 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. The COD value changes greatly, and the wastewater disc...

Claims

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Application Information

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