Fireside Corrosion in Oxy-fuel Combustion of Coal

被引：19

作者：

Holcomb, Gordon R. ^{[1
]}

Tylczak, Joseph ^{[1
]}

Meier, Gerald H. ^{[2
,3
]}

Lutz, Bradley S. ^{[2
,3
]}

Jung, Keeyoung ^{[2
,3
]}

Mu, Nan ^{[2
,3
]}

Yanar, Nazik M. ^{[2
,3
]}

Pettit, Frederick S. ^{[2
,3
]}

Zhu, Jingxi ^{[2
,4
]}

Wise, Adam ^{[2
,4
]}

Laughlin, David E. ^{[2
,4
]}

Sridhar, Seetharaman ^{[2
,4
]}

机构：

[1] Natl Energy Technol Lab, Albany, OR 97321 USA

[2] Natl Energy Technol Lab, Pittsburgh, PA USA

[3] Univ Pittsburgh, Dept Mech Engn & Mat Sci, Pittsburgh, PA 15261 USA

[4] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA

来源：

OXIDATION OF METALS | 2013年 / 80卷 / 5-6期

关键词：

Fireside corrosion; Oxidation; Oxy-fuel combustion; Boilers;

D O I：

10.1007/s11085-013-9399-6

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Oxy-fuel combustion is burning a fuel in oxygen rather than air for ease of capture of CO2 from for reuse or sequestration. Corrosion issues associated with the environment change (replacement of much of the N-2 with CO2 and higher sulfur levels) from air- to oxy-firing were examined. Alloys studied included model Fe-Cr alloys and commercial ferritic steels, austenitic steels, and nickel base superalloys. The corrosion behavior is described in terms of corrosion rates, scale morphologies, and scale/ash interactions for the different environmental conditions. Evidence was found for a threshold for severe attack between 10(-4) and 10(-3) atm of SO3 at 700 A degrees C.

引用

页码：599 / 610

页数：12

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