引用本文:
Li Jing YAN, Lin NIU, Hai Chao LIN, Wei Tao WU, Shang Zhang LIU. Effect of Cl- ion on Anodic Iron Dissolution in H2S-Containing Sulfuric Acid Solutions[J]. Chinese Chemical Letters,
1998, 9(10): 945-948.
Citation: Li Jing YAN, Lin NIU, Hai Chao LIN, Wei Tao WU, Shang Zhang LIU. Effect of Cl- ion on Anodic Iron Dissolution in H2S-Containing Sulfuric Acid Solutions[J]. Chinese Chemical Letters, 1998, 9(10): 945-948.
Citation: Li Jing YAN, Lin NIU, Hai Chao LIN, Wei Tao WU, Shang Zhang LIU. Effect of Cl- ion on Anodic Iron Dissolution in H2S-Containing Sulfuric Acid Solutions[J]. Chinese Chemical Letters, 1998, 9(10): 945-948.
Effect of Cl- ion on Anodic Iron Dissolution in H2S-Containing Sulfuric Acid Solutions
摘要:
The effect of Cl- ion on the anodic iron dissolution in H2SO4 solutions containing H2S has been studied by using electrochemical polarization curve measurements. The competitive adsorption for Cl- and HS- ions at an anodic potential has been calculated using the CNDO/2 method. The results show that a certain concentration of the Cl- ion can be adsorbed steadily and inhibit the anodic reaction of iron catalyzed by HS-. However, when the Cl- ion reaches the saturation adsorption, it begins to promote the anodic reaction of iron due to the increased negative charge of iron atoms.
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关键词:
- iron
- / anodic dissolution
- / Cl
- / H2S
- / CNDO/2
English
Effect of Cl- ion on Anodic Iron Dissolution in H2S-Containing Sulfuric Acid Solutions
Abstract:
The effect of Cl- ion on the anodic iron dissolution in H2SO4 solutions containing H2S has been studied by using electrochemical polarization curve measurements. The competitive adsorption for Cl- and HS- ions at an anodic potential has been calculated using the CNDO/2 method. The results show that a certain concentration of the Cl- ion can be adsorbed steadily and inhibit the anodic reaction of iron catalyzed by HS-. However, when the Cl- ion reaches the saturation adsorption, it begins to promote the anodic reaction of iron due to the increased negative charge of iron atoms.
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Key words:
- iron
- / anodic dissolution
- / Cl
- / H2S
- / CNDO/2
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