JEP  Vol.4 No.7 , July 2013
Experimental Study on a New Corrosion and Scale Inhibitor

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 wont cause eutrophication, considering the product performance and environmental influence, the phosphate-free corrosion and scale inhibitor is superior to the traditional one.

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.

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