| 摘要 |
PURPOSE: Provided is an anticorrosive using rice bran and preparation method thereof to remove scale of pipe and to prevent corrosion. The method is characterized in that the method doesn't contain phosphate but rice bran to prevent eutrophication. CONSTITUTION: The anticorrosive contains 62.3-64.3 wt.% of water, 26-27 wt.% of rice bran, 6.5-6.6 wt.% of soda ash, 0.5-0.8 wt.% of sodium benzoate, 1.0-1.3 wt.% of EDTA, 1.5-1.7 wt.% of borax, and 0.2-0.3 wt.% of polyacrylacidsoda. The mixture is mixed for about 1 hour and 10 minutes. And, the mixture is aged at 28-31°C for 210-230 hours. Then, extract solution of the mixture is produced, that is an anticorrosive.
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