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首页> 外文期刊>The Journal of Supercritical Fluids >Gasification of charcoal using supercritical CO2 at high pressures
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Gasification of charcoal using supercritical CO2 at high pressures

机译:使用超临界二氧化碳在高压下气化木炭

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摘要

A novel one-shell high temperature and high pressure semi-continuous reactor has been developed for the study of the Boudouard reaction at temperatures up to 820°C and pressures up to 32.5 MPa.Semicontinuous gasification of charcoal using supercritical CO2 has been achieved at conversions up to 90.8%(w/w)at LSHV between 20 and 30 h~(-1)after 5-9 h.A gasification model is proposed and validated.Effective rates of gasification(1.32±0.12)X10~(-6)to(6.10±2.03)X10~(-5)s~(-1)were obtained.The results indicated that this method is technically feasible for the on-line production of high pressures streams of CO/CO2 in the lab for carrying out further chemistries,avoiding the use of CO high pressure bottles.
机译:为研究Boudouard反应在高达820°C的温度和高达32.5 MPa的压力下开发了一种新型的单壳高温高压半连续反应器。在转化过程中,使用超临界CO2实现了木炭的半连续气化提出并验证了5-9 h后20-30 h〜(-1)LSHV高达90.8%(w / w)的气化模型。气化的有效率(1.32±0.12)X10〜(-6)to(得到了6.10±2.03)X10〜(-5)s〜(-1),结果表明该方法在实验室中在线生产高压CO / CO2流以进行进一步的化学反应是技术可行的,避免使用一氧化碳高压瓶。

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