Journal of Environmental Protection
Volume 4, Issue 7 (July 2013)
ISSN Print: 2152-2197 ISSN Online: 2152-2219
Google-based Impact Factor: 1.15 Citations h5-index & Ranking
Experimental Study on a New Corrosion and Scale Inhibitor ()
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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.
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