Thermodynamic analysis of hydrogen production via chemical looping steam methane reforming coupled with in situ CO2 capture

被引：23

作者：

Antzara, Andy ^{[1
]}

Heracleous, Eleni ^{[1
,2
]}

Bukur, Dragomir B. ^{[3
]}

Lemonidou, Angeliki A. ^{[1
]}

机构：

[1] Aristotle Univ Thessaloniki, Dept Chem Engn, Thessaloniki 54124, Greece

[2] Int Hellen Univ, Sch Sci & Technol, Thessaloniki 57001, Greece

[3] Texas A&M Univ Qatar, Chem Engn Program, Doha 23874, Qatar

来源：

12TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-12 | 2014年 / 63卷

关键词：

Sorption enhanced chemical looping reforming; CO2; sorption; Calcium looping; Oxygen tranfer materials; Thermodynamic analysis; Hydrogen production; GAS; OIL; CAO;

D O I：

10.1016/j.egypro.2014.11.694

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A detailed thermodynamic analysis of the sorption enhanced chemical looping reforming of methane (SE-CL-SMR), using CaO and NiO as CO2 sorbent and oxygen transfer material (OTM) respectively, was conducted. Conventional reforming (SMR) and sorption enhanced reforming (SE-SMR) were also investigated for comparison reasons. The results of the thermodynamic analysis show that there are significant advantages of both sorption enhanced processes compared to conventional reforming. The presence of CaO leads to higher methane conversion and hydrogen purity at low temperatures. Addition of the OTM, in the SE-CL-SMR process concept, minimizes the thermal requirements and results in superior performance compared to SE-SMR and SMR in a two-reactor concept with use of pure oxygen as oxidant/sweep gas. (C) 2014 The Authors. Published by Elsevier Ltd.

引用

页码：6576 / 6589

页数：14

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