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| Corrosion inhibition of α,β-unsaturated carbonyl compounds on steel in acid medium | |
| 作者姓名： | Gao Jiancun Weng Yongji Salitanate Feng Li Yue Hong |
| 作者单位： | Gao Jiancun,Salitanate(China University of Petroleum Beijing, Beijing 102249, China;Xinjiang Petroleum Institute, Urumqi, Xinjiang 830000, China);Weng Yongji(China University of Petroleum Beijing, Beijing 102249, China);Feng Li,Yue Hong(Xinjiang Petroleum Institute, Urumqi, Xinjiang 830000, China) |
| 摘 要： | Corrosion inhibition of three α,β-unsaturated carbonyl compounds on N80 steel at high temperature and in concentrated acid medium was evaluated, and the inhibition mechanism was investigated. The results proved that both cinnamaldehyde and benzalacetone had an evident anticorrosion effect and could reduce the corrosion of steel effectively in acid medium, α,β-unsaturated carbonyl compounds with a benzene ring structure had good adsorption on steel surface. The experiments proved that polymerization of α,β-unsaturated carbonyl compounds on the steel surface at a high temperature and in concentrated acid medium resulted in a good corrosion inhibiting effect, which was attributed to the structures of α,β-unsaturated carbonyl compounds. |
| 关 键 词： | 羰基化合物 酸性介质 N80钢 缓蚀效果 不饱和 苯环结构 抑制机制 防腐效果 |
| 收稿时间： | 30 January 2009 |
Corrosion inhibition of α,β-unsaturated carbonyl compounds on steel in acid medium |
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| Gao Jiancun,Weng Yongji,Salitanate,Feng Li,Yue Hong.Corrosion inhibition of α,β-unsaturated carbonyl compounds on steel in acid medium[J].Petroleum Science,2009,6(2):201-207. | |
| Authors: | Gao Jiancun Weng Yongji Salitanate Feng Li and Yue Hong |
| Affiliation: | 1. China University of Petroleum Beijing, Beijing 102249, China;Xinjiang Petroleum Institute, Urumqi, Xinjiang 830000, China 2. China University of Petroleum Beijing, Beijing 102249, China 3. Xinjiang Petroleum Institute, Urumqi, Xinjiang 830000, China |
| Abstract: | Corrosion inhibition of three α,β-unsaturated carbonyl compounds on N80 steel at high temperature and in concentrated acid medium was evaluated, and the inhibition mechanism was investigated. The results proved that both cinnamaldehyde and benzalacetone had an evident anticorrosion effect and could reduce the corrosion of steel effectively in acid medium. α,β-unsaturated carbonyl compounds with a benzene ring structure had good adsorption on steel surface. The experiments proved that polymerization of α,β-unsaturated carbonyl compounds on the steel surface at a high temperature and in concentrated acid medium resulted in a good corrosion inhibiting effect, which was attributed to the structures of α,β-unsaturated carbonyl compounds. |
| Keywords: | α β -unsaturated carbonyl compounds corrosion inhibitor adsorption oilfield acidizing treatment |
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