WANGYue-feng,HONGYu,YANHao,et al.Preparation of Coal Chemical Circulating Water Scale and Corrosion Inhibitor (JC-800) and Its Application[J].China Water & Wastewater,2022,38(9):70-75.
Preparation of Coal Chemical Circulating Water Scale and Corrosion Inhibitor (JC-800) and Its Application
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第38卷
Number:
第9期
Page:
70-75
Column:
Date of publication:
2022-05-01
- Keywords:
- scale and corrosion inhibitor; coal chemical circulating water; corrosion rate; scale inhibition rate
- Abstract:
- The water quality of circulating cooling water from coal chemical enterprises in Northwest China is characterized by high basicity, hardness and pH. By using zinc salt, 2-phosphonate butane-1,2,4-tricarboxylic acid, benzotriazole and maleic acid/acrylic acid copolymer as the raw materials, a scale and corrosion inhibitor (JC-800) suitable for circulating cooling water from coal chemical enterprises in Northwest China was prepared and evaluated by static scale inhibition test, rotating coupon corrosion test and field application test. In addition, the dosage of inhibitor to achieve the best corrosion inhibition performance was determined under different water quality conditions. The system operated well and the circulating water pipe ran normally during the test. The indicators of the inhibitor meet the requirements of national and industrial standards, and its comprehensive performance is better than the existing scale inhibitors, which has a broad application prospect.
Last Update:
2022-05-01