A sampling line artifact in stack emission measurement of alkanolamine-enabled carbon capture facility: surface reaction of amines with formaldehyde

被引：5

作者：

Zhu, Liang ^{[1
]}

Mikoviny, Tomas ^{[1
]}

Wisthaler, Armin ^{[1
]}

Nielsen, Claus Jorgen ^{[1
]}

机构：

[1] Univ Oslo, Dept Chem, POB 1033 Blindern, NO-0315 Oslo, Norway

来源：

13TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-13 | 2017年 / 114卷

关键词：

post-combustion carbon capture; amine; PTR-MS; emission measurement; Mongstad;

D O I：

10.1016/j.egypro.2017.03.1247

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Laboratory experiments were carried out to study Schiff-base condensation reactions between amines and formaldehyde that occur on inlet lines of emission monitoring instruments. Primary amines and formaldehyde were found to quickly react on inlet surfaces to form the respective Schiff-base condensation products. Secondary and tertiary amines did not react with formaldehyde. Schiff-base condensation reactions between primary amines and formaldehyde were also observed to occur on the similar to 110 m long inlet line that connects the absorber stack of the amine-based PCCC facility at Mongstad to the FT-IR and PTR-ToF-MS emission monitors. Emissions of primary amines and formaldehyde may be underestimated if condensation reactions of these species in inlet lines are not taken into account. The PTR-ToF-MS monitor does, however, also quantitatively detect the Schiff-base condensation products, making it straightforward to derive the correct amine and formaldehyde concentrations in the amine wash gas. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：1022 / 1025

页数：4