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Phosphorus-containing water treatment agent composition and application thereof

A technology of water treatment agent and composition, applied in water/sludge/sewage treatment, scale removal and water softening, chemical instruments and methods, etc. problems, to achieve the effect of less dosage of chemicals, good sterilization, and low phosphorus content

Active Publication Date: 2015-04-29
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of existing water treatment agents, such as high phosphorus content and large dosage, and provide a phosphorus-containing water treatment agent composition with low phosphorus content and low dosage of medicaments and its application

Method used

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  • Phosphorus-containing water treatment agent composition and application thereof
  • Phosphorus-containing water treatment agent composition and application thereof
  • Phosphorus-containing water treatment agent composition and application thereof

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0062] This example is used to illustrate the phosphorus-containing water treatment agent composition provided by the present invention.

[0063] Preparation of water treatment agent: at room temperature, dissolve 2.5g of zinc thiram in 5mL of ethanol, and then mix with 7.8g of HPAA with a solid content of 40%, 1.3g of zinc chloride and 16.7g of AA with a solid content of 30%. / AM / AMPS copolymer was dissolved together in deionized water, stirred evenly, and prepared into 100g of water treatment agent A1.

Embodiment 2

[0065] This example is used to illustrate the phosphorus-containing water treatment agent composition provided by the present invention.

[0066] Preparation of water treatment agent: at room temperature, 5g of thiram was first dissolved in 10mL of ethanol, and then mixed with 7.5g of HEDP with a solid content of 50%, 8.3g of zinc sulfate heptahydrate and 18.8g of AA with a solid content of 30%. / AMPS copolymer was dissolved in deionized water together, stirred evenly, and 100g of water treatment agent A2 was prepared.

Embodiment 3

[0068] This example is used to illustrate the phosphorus-containing water treatment agent composition provided by the present invention.

[0069] Preparation of water treatment agent: at room temperature, 3.8g of formarsine was first dissolved in 10mL of ethanol, and then mixed with 5g of PBTCA with a solid content of 50%, 5.5g of zinc sulfate heptahydrate and 20.9g of 30% solid content AA / AMPS / HPA copolymer was dissolved together in deionized water, stirred evenly, and 100g of water treatment agent A3 was prepared.

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Abstract

The invention discloses a phosphorus-containing water treatment agent composition. The composition contains a dithiocarbamate bactericide, an organic phosphonic acid anticorrosion agent and a sulfo group-containing copolymer. The invention also discloses an application of the phosphorus-containing water treatment agent composition in industrial circulating cooling water treatment. The water treatment performance evaluation of the phosphorus-containing water treatment agent composition indicates that a small dose of the composition has relatively high calcium carbonate scale inhibition rate, zinc inhibition rate and sterilizing rate and slow carbon steel sheet corrosion rate during water treatment. As a result, the phosphorus-containing water treatment agent has the advantages of excellent water treatment effect, low dosage, low phosphorus content and the like.

Description

technical field [0001] The invention relates to a phosphorus-containing water treatment agent composition and the application of the composition in industrial circulating cooling water. Background technique [0002] In the circulating cooling water system, there are mainly three problems of scaling, corrosion and microbial hazards. The most convenient and effective way to prevent system scaling and corrosion is to add corrosion and scale inhibitors to the circulating cooling water. At present, the corrosion and scale inhibitors commonly used in the treatment of circulating cooling water in China are mostly phosphorus-containing treatment agents. As people gradually understand the problem of phosphorus-containing compounds causing water pollution and eutrophication, the country's requirements for phosphorus discharge are also increasing. The development of strict, low-phosphorus formulations is gaining more and more attention. [0003] The control of bacteria and algae in t...

Claims

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Application Information

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IPC IPC(8): C02F5/14
CPCC02F5/10C02F5/14
Inventor 郦和生冯婕胡艳华王岽
Owner CHINA PETROLEUM & CHEM CORP
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