Effects of heat-stable salts on the corrosion behaviours of 20 steel in the MDEA/H2S/CO2 environment

被引：20

作者：

Dong, Baojun ^{[1
,2
]}

Zeng, Dezhi ^{[1
]}

Yu, Zhiming ^{[1
]}

Tan, Sizhou ^{[3
]}

Jiang, Jingjing ^{[3
]}

Zhang, Qiang ^{[3
]}

Cai, Shaozhong ^{[3
]}

Yuan, Xi ^{[3
]}

机构：

[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Sichuan, Peoples R China

[2] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Corros & Protect Ctr, Beijing, Peoples R China

[3] PetroChina Southwest Oil & Gas Field Co, Res Inst Nat Gas Technol, Chengdu, Sichuan, Peoples R China

来源：

CORROSION ENGINEERING SCIENCE AND TECHNOLOGY | 2019年 / 54卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Heat-stable salt; corrosion; inorganic salt; organic salt; MDEA; 20; steel; SUPERCRITICAL CO2; STAINLESS-STEEL; PIPELINE STEEL; CARBON-STEEL; H2S; METHYLDIETHANOLAMINE; PRESSURE; TEMPERATURE; ABSORPTION; CAPTURE;

D O I：

10.1080/1478422X.2019.1591737

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of HSS (heat-stable salts) on the corrosion behaviours of 20 steel were explored using self-designed HTHP autoclave. The charateristics of corrosion scales were investigated by SEM, EDS and XRD. Corrosion scales of 20 steel formed in the liquid phase environment were mainly composed of FeS2, Fe3O4, and Fe. HSSs affected the corrosion rate through changing the morphology of corrosion scales of 20 steel. Inorganic salts enhanced the attractive force between ions and the hydrolysis of CH3COO- in organic salts promoted the ionisation of HS-, which accelerated the deposition of FeS on the surface of 20 steel to form a dense corrosion scales, thereby significantly reducing the corrosion rate of 20 steel. Inorganic-organic salts reduced the bonding opportunity between Fe2+ and S2- and allowed the formation of porous corrosion scales on the surface of 20 steel, thus increasing the corrosion rate of 20 steel. [GRAPHICS] .

引用

页码：339 / 352

页数：14

共 30 条

[1] RETRACTED: Investigation of mixed amine solution in gas sweetening plant (Retracted Article)
Abedini, R.
Abedini, A.
Zanganeh, I.
[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 2010, 2 (01) : 36 - 40
[2] Electromagnetic separation of heat stable salt from gas sweetening amine
Alnaimat, Fadi
Alhseinat, Emad
Banat, Fawzi
[J]. INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL, 2018, 68 : 256 - 268
[3] [Anonymous], CORROSION
[4] Roles of carbon dioxide and steam on the hydrogen embrittlement of 3Cr tube steel in synthetic natural gas environment
Bai, Pengpeng
Zhou, Jie
Luo, Bingwei
Zheng, Shuqi
Chen, Changfeng
[J]. CORROSION ENGINEERING SCIENCE AND TECHNOLOGY, 2018, 53 (01) : 1 - 10
[5] Effect of Amorphous FeS Semiconductor on the Corrosion Behavior of Pipe Steel in H2S-Containing Environments
Bai, Pengpeng
Liang, Yuxuan
Zheng, Shuqi
Chen, Changfeng
[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2016, 55 (41) : 10932 - 10940
[6] Initiation and developmental stages of steel corrosion in wet H2S environments
Bai, Pengpeng
Zhao, Hui
Zheng, Shuqi
Chen, Changfeng
[J]. CORROSION SCIENCE, 2015, 93 : 109 - 119
[7] Effect of sulphide on the corrosion behaviour of AISI 316L stainless steel and its constituent elements in simulated Kraft digester conditions
Betova, Iva
Bojinov, Martin
Hyoekyvirta, Outi
Saario, Timo
[J]. CORROSION SCIENCE, 2010, 52 (04) : 1499 - 1507
[8] Effect of Oxygen and Heat Stable Salts on the Corrosion of Carbon Steel in MDEA-Based CO2 Capture Process
Choi, Y. -S.
Duan, D.
Nesic, S.
Vitse, F.
Bedell, S. A.
Worley, C.
[J]. CORROSION, 2010, 66 (12)
[9] Mechanistic Modeling of Carbon Steel Corrosion in a Methyldiethanolamine (MDEA)-Based Carbon Dioxide Capture Process
Choi, Yoon-Seok
Duan, Deli
Jiang, Shengli
Nesic, Srdjan
[J]. CORROSION, 2013, 69 (06) : 551 - 559
[10] Duan D., 2013, NACE20132345

← 1 2 3 →