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The mixture consisted of benzotriazole BTA, chitosan CTS, polyacrylic acid andzinc salt hasbeen investigated as a corrosion and scale inhibitor ofA3 carbon steel in cooling water. The scale and corrosion inhibition efficiencywas evaluated by static anti-scaling teat together with rotary coupon test.Compared with the phosphorus corrosion and scale inhibitor, the corrosion inhibition rateand scale inhibition rate of it increased respectively by 2.51% and 1.16%. As the corrosion and scale inhibitoris phosphate-free, it won’t cause eutrophication, consideringthe product performance and environmental influence, the phosphate-free corrosion and scale inhibitor issuperior to the traditional one.



KEYWORDS

Corrosion and Scale Inhibitor; Scale Inhibition Performance; Corrosion Inhibition

Cite this paper

D. Zeng and H. Yan -Experimental Study on a New Corrosion and Scale Inhibitor,- Journal of Environmental Protection, Vol. 4 No. 7, 2013, pp. 671-675. doi: 10.4236-jep.2013.47077.





Autor: Defang Zeng, Huan Yan

Fuente: http://www.scirp.org/



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