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中国腐蚀与防护学报  2010, Vol. 30 Issue (2): 97-1000    
  研究报告 本期目录 | 过刊浏览 |
H2S/CO2共存体系中钢界面反应的暂态研究
王朋飞1;李春福1;邓洪达1;2;崔士华1;陈功剑1;申文竹1
1. 西南石油大学油气藏地质及开发工程国家重点实验室 成都610500
2. 重庆科技学院 重庆 401331
STABILITY OF MELT INTERFACE REACTION IN H2S/CO2 COEXISTENCE ENVIRONMENT
WANG Pengfei1; LI Chunfu1; DENG Hongda1;2; CUI Sihua1;CHEN Gongjian1; SHEN Wenzhu1
1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation; Southwest Petroleum University; Chengdu 610500
2. Chongqing University of Science & Technology; Chongqing 401331
全文: PDF(618 KB)  
摘要: 

采用电化学电位阶跃技术研究了H2S/CO2共存溶液中钢界面反应过程,提出了界面反应过程的模型,并建立了相应的数学描述。运用数学模型分析了界面物质吸附、脱附以及氢吸收的反应规律,得出:当η=50 mV阶跃时,氢吸附过程控制整个界面反应;η>50 mV阶跃时,预吸附物脱附过程在整个阶跃期间控制整个界面反应,在各实验η阶跃条件下,CO2提高吸收态氢对itotal的贡献,促进了氢吸收。

关键词 H2S/CO2共存体系吸附反应脱附反应电位阶跃    
Abstract

Chronoamperometry(CA) was used to study the melt interface reaction in H2S/CO2 coexistence environment. The mathematic model for interface reaction of the process has been carried out. The action of adsorption, desorption and hydrogen absorption for interface reaction were analyzed using this model. The results demonstrated that when η=50 mV, the process of hydrogen adsorption is dominant and control whole interface reaction; when η>50 mV,the desorption process of pre-adsorption substance control whole interface reaction. CO2 increases contribution of absorption-feature hydrogen to the itotal,so promotes hydrogen absorption in all experimental η condition.

Key wordsH2S/CO2 coexistence environment    adsorption reaction    desorption reaction    chronoamperometry
收稿日期: 2008-11-06     
ZTFLH: 

TG174

 
基金资助:

油气藏地质及开发工程国家重点实验室基金资助(LN0609)

通讯作者: 李春福     E-mail: Chunfuli70204@yech.net
Corresponding author: LI Chunfu     E-mail: Chunfuli70204@yech.net
作者简介: 王朋飞,男,1984年生,硕士生,研究方向为油气田CO2和H2S腐蚀的研究

引用本文:

王朋飞;李春福;邓洪达;崔士华;陈功剑;申文竹. H2S/CO2共存体系中钢界面反应的暂态研究[J]. 中国腐蚀与防护学报, 2010, 30(2): 97-1000.
YU Peng-Fei, LI Chun-Fu, DENG Hong-Ta, CUI Shi-Hua, CHEN Gong-Jian. STABILITY OF MELT INTERFACE REACTION IN H2S/CO2 COEXISTENCE ENVIRONMENT. J Chin Soc Corr Pro, 2010, 30(2): 97-1000.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2010/V30/I2/97

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