Effect of steam on the performance of Ca-based sorbents in calcium looping processes

被引：38

作者：

Coppola, Antonio ^{[1
]}

Gais, Eduardo ^{[2
]}

Mancino, Gabriella ^{[1
]}

Montagnaro, Fabio ^{[2
]}

Scala, Fabrizio ^{[3
]}

Salatino, Piero ^{[3
]}

机构：

[1] CNR, Ist Ric Combust, Piazzale Vincenzo Tecchio 80, I-80125 Naples, Italy

[2] Univ Naples Federico II, Dipartimento Sci Chim, Complesso Univ Monte St Angelo, I-80126 Naples, Italy

[3] Univ Naples Federico II, Dipartimento Ingn Chim Mat & Prod Ind, Piazzale Vincenzo Tecchio 80, I-80125 Naples, Italy

来源：

POWDER TECHNOLOGY | 2017年 / 316卷

关键词：

Calcium looping; Fluidized bed; Limestone; Steam; CO2; capture; Fragmentation; HIGH-TEMPERATURE STEAM; CARBONATION REACTION; CO2; CAPTURE; WATER HYDRATION; SPENT SORBENT; PILOT-SCALE; LIMESTONE; REACTIVATION; CALCINATION; CYCLE;

D O I：

10.1016/j.powtec.2016.11.062

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This study addresses the role of water vapour in Calcium Looping (CaL) cycles, and is based on results of an experimental campaign performed in a lab-scale fluidized bed reactor under operating conditions that are representative of a realistic CaL process. Tests have been designed so as to characterize the effect of steam in either the calcination or the carbonation stages, or in both. A reference limestone has been used, and its CO2 capture capacity, propensity to fragmentation and morphological and microstructural changes have been investigated upon iterated looping cycles. Results are discussed to highlight the role of steam on the course of calcium looping. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：578 / 584

页数：7

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