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논문 기본 정보

자료유형
학술저널
저자정보
유미선 (울산대학교) 양성봉 (진행워터웨이) 심학섭 (진행워터웨이) 이승혁 (진행워터웨이)
저널정보
한국환경기술학회 한국환경기술학회지 한국환경기술학회지 제21권 제6호
발행연도
2020.1
수록면
439 - 446 (8page)

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초록· 키워드

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This study aimed to measure the anti-corrosion effect of the zinc ionization device in running water. Cartridges of iron coupons were immersed in 2 plastic pipes that had flown the tap water for 20 days. Initial and final concentrations of ferrous ion and zinc cation in water were measured and weight losses of each coupon were weighed. And finally corrosion area of each coupons was compared with analyzing black and white figure of each corroded coupon by use of Image J program. Average weight loss of the coupons in running water with no corrosion inhibitor is 486 ㎎/dm2 for 20 days, whereas that of coupons with the corrosion inhibitor is 438 ㎎/dm2 for same period. Relative anti-corrosion effect of the inhibitor was calculated to be only 9.8% with weight loss method. Average % areas of each corroded coupons with the inhibitor or no inhibitor were 20.5% and 43.9%. Relative anti-corrosion effect shown by average corroded area was 53.3%. Inhibition effect of zinc ionization device in tap water indicated that corrosion area on the iron-coupon surface was decreased largely by dissolving zinc ion from zinc metal in water even though difference of weight loss of iron coupon was very small.

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