Hydrogen production by catalytic gasification of coal in supercritical water
Hydrogen production by catalytic gasification of coal in supercritical water
复制标题
煤在超临界水中催化气化制氢
DOI：
10.1021/ef502050p
复制
发表时间：
2014-10
期刊：
影响因子：
5.3
通讯作者：
Ximin Zhang
中科院分区：
文献类型：
--
作者：
Liejin Guo;Zhiwei Ge;Simao Guo;Ximin Zhang
设计了一个高通量间歇式反应器系统，用于烟煤在超临界水中催化气化制氢。实验系统由6个参数相同的子系统组成，设计最高温度和压力分别为750 °C和30 MPa。该系统保证了最多同时进行6个系列实验，提高了实验工作的效率。在本研究中，在不同的操作条件下进行实验：温度600-750 °C，压力23-25 MPa，进料浓度5-20 wt %，反应时间4-15 min，K2 CO 3添加率0-200 wt %。考察了操作条件的影响。结果表明，随着反应温度、反应时间和K2 CO 3投加量的增加，碳气化效率（CE）和气化效率（GE）增加。K2 CO 3的加入促进了气化反应的进行。
A high-throughput batch reactor system was designed for hydrogen production by catalytic gasification of bituminous coal in supercritical water. The experimental system was made up of six subsystems with the same parameters, which was designed with a maximum temperature and pressure of 750 °C and 30 MPa, respectively. The system ensures that a maximum of six series experiments are conducted at the same time, which promotes the efficiency of the experimental work. In this study, the experiments were conducted under different operational conditions: temperature of 600–750 °C, pressure of 23–25 MPa, feed concentration of 5–20 wt %, reaction time of 4–15 min, and K2CO3 addition rate of 0–200 wt %. The effects of operational conditions were examined. The results obtained show that the carbon gasification efficiency (CE) and gasification efficiency (GE) increased with decreasing feed concentration and increasing temperature, reaction time, and K2CO3 addition rate. The addition of K2CO3 promoted the gasification...
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