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Experimental Study on a New Corrosion and Scale Inhibitor
School of Resource and Environmental Engineering, Wuhan University of Technology, Wuhan, China.
School of Resource and Environmental Engineering, Wuhan University of Technology, Wuhan, China.
- 1 School of Resource and Environmental Engineering, Wuhan University of Technology, Wuhan, China.
- 2 School of Resource and Environmental Engineering, Wuhan University of Technology, Wuhan, China.
Journal of Environmental Protection·Volume 04 (2013)·Pages 671–675·Published 2 July 2013·DOI10.4236/jep.2013.47077
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Abstract
The mixture consisted of benzotriazole (BTA) , chitosan (CTS), polyacrylic acid and zinc salt has been investigated as a corrosion and scale inhibitor of A3 carbon steel in cooling water. The scale and corrosion inhibition efficiency was evaluated by static anti-scaling teat together with rotary coupon test. Compared with the phosphorus corrosion and scale inhibitor, the corrosion inhibition rate and scale inhibition rate of it increased respectively by 2.51% and 1.16%. As the corrosion and scale inhibitor is phosphate-free, it won ’ t cause eutrophication, considering the product performance and environmental influence, the phosphate-free corrosion and scale inhibitor is superior to the traditional one.
KeywordsCorrosion and Scale InhibitorScale Inhibition PerformanceCorrosion Inhibition
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