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Environment-friendly phosphorus-free scale and corrosion inhibitor and manufacturing method for same

A technology of scale and corrosion inhibitor, manufacturing method, applied in chemical instruments and methods, descaling and water softening, complex/solubilizer treatment, etc., can solve problems such as non-biodegradation

Inactive Publication Date: 2012-06-27
上海久安水质稳定剂厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Copolymer scale inhibitors (including binary, ternary, and multi-component copolymers) mainly include acrylic acid type, maleic acid (anhydride) type, etc., which have better scale inhibition performance, and some are non-toxic, but the disadvantage is that they cannot Biodegradable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: A. Add 60 parts of distilled water into the reaction vessel, heat to 45°C and stir; B. Add 15 parts of acrylic acid-acrylate copolymer and 5 parts of sodium molybdate into the reaction vessel and stir , fully mixed; C. Add 5 parts of benzotriazole and 3 parts of zinc sulfate monohydrate to the reaction vessel and stir, mix thoroughly, stir for 1 to 1.5 hours and then cool down to room temperature to obtain the finished product.

Embodiment 2

[0014] Example 2: A. Add 80 parts of distilled water into the reaction vessel, heat to 45°C and stir; B. Add 20 parts of acrylic acid-acrylate copolymer and 8 parts of sodium molybdate into the reaction vessel and stir , fully mixed; C. Add 8 parts of benzotriazole and 5 parts of zinc sulfate monohydrate into the reaction vessel and stir, mix thoroughly, stir for 1 to 1.5 hours and then cool down to room temperature to obtain the finished product.

Embodiment 3

[0015] Example 3: A. Add 80 parts of distilled water into the reaction vessel, heat to 45°C, and stir; B. Add 30 parts of acrylic acid-acrylate copolymer and 10 parts of sodium molybdate into the reaction vessel and stir , fully mixed; C. Add 10 parts of benzotriazole and 8 parts of zinc sulfate monohydrate to the reaction vessel and stir, mix thoroughly, stir for 1 to 1.5 hours and then cool down to room temperature to obtain the finished product.

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PUM

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Abstract

The invention relates to the technical field of water treatment, particularly to an environment-friendly phosphorus-free scale and corrosion inhibitor and a manufacturing method for the same. The scale and corrosion inhibitor comprises the following ingredients in parts by weight: 15-30 parts of acrylic acid-acrylate copolymer, 5-10 parts of sodium molybdate, 5-10 parts of benzotriazole, 3-8 parts of zinc sulphate monohydrate and 60-80 parts of distilled water. The scale and corrosion inhibitor disclosed by the invention is phosphorus-free and pollution-free for environment, as well as is an environment-friendly water treatment chemical.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a phosphorus-free and environment-friendly scale and corrosion inhibitor and a manufacturing method thereof. Background technique [0002] With the development of society, the shortage and pollution of water resources are becoming more and more serious. To this end, many countries and regions have issued various environmental protection regulations. As a water treatment technology with a series of functions such as water saving, energy saving, material saving and product quality improvement, it has developed rapidly. The field of water treatment agents at home and abroad is more researched on organic phosphoric acid corrosion and scale inhibitors and Copolymer antiscalant dispersant. Organic phosphoric acid, especially organopolyphosphoric acid and its salts, has the characteristics of stable chemical properties, high temperature and pH resistance, obvious "solubility l...

Claims

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Application Information

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IPC IPC(8): C02F5/08C02F5/10
Inventor 邓文燕唐晓庆毛东燕陈敏陈建平
Owner 上海久安水质稳定剂厂
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