Increasing Porosity of Molded Calcium-Based Sorbents by Glucose Templating forCyclic CO2 Capture

被引：21

作者：

Xu, Yongqing ^{[1
]}

Ding, Haoran ^{[1
]}

Luo, Cong ^{[1
]}

Zheng, Ying ^{[1
]}

Li, Xiaoshan ^{[1
]}

Xu, Yang ^{[1
]}

Zhang, Zewu ^{[1
]}

Zhao, Weixian ^{[1
]}

Zhang, Liqi ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, State Key Lab Coal Combust, 1037 Luoyu Rd, Wuhan 430074, Hubei, Peoples R China

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2018年 / 41卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Anti-attrition property; Calcium looping process; Cyclic CO2 capture; Extrusion-spheronization; Glucose templating; CAO-BASED SORBENTS; PERFORMANCE; ENHANCEMENT; CAPACITY; PELLETS; PARTICLES; LIMESTONE; BEHAVIOR; STEAM; HEMICELLULOSE;

D O I：

10.1002/ceat.201700527

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

With the aim to enhance the CO2 capture capacity and anti-attrition property of CaO-based sorbents simultaneously, a novel CaO-based sphere was prepared by extrusion-spheronization using Ca(OH)(2) powder with glucose templating. The CO2 capture characteristics and attrition resistance property of the sorbent were examined and the microstructure of the sorbents was analyzed. The results demonstrate that the obtained spherical sorbents exhibit an outstanding anti-attrition performance compared to limestone sorbent. After 100cycles, all of the templated sorbents hold a CO2 capture capacity of more than one time higher than thatof limestone. The optimum templating rate of glucose in the sorbent was 1-5wt%.

引用

页码：956 / 963

页数：8

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