Trace Adsorption of Ethane, Propane, and n-Butane on Microporous Activated Carbon and Zeolite 13X at Low Temperatures

Trace Adsorption of Ethane, Propane, and n-Butane on Microporous Activated Carbon and Zeolite 13X at Low Temperatures
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微孔活性炭和 13X 沸石低温下乙烷、丙烷和正丁烷的痕量吸附

DOI:
10.1021/acs.jced.6b01068
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发表时间:
1982
影响因子:
--
通讯作者:
D. Bathen
D. Bathen
中科院分区:
工程技术3区
文献类型:
--
作者:
F. Birkmann ; C. Pasel ; M. Luckas ; D. Bathen

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从废气或气流中除去痕量级轻烃成为工艺和环境技术领域中日益重要的问题,例如,液化天然气的储存和运输。在低于0 °C的温度下的吸附工艺具有满足工艺规范或环境法规限制的巨大潜力。设计这样的吸附过程需要对低温吸附热力学有深刻的了解,这是目前还没有的。因此,这项工作提供了乙烷,丙烷和正丁烷在微孔活性炭和沸石13 X上的吸附等温线,温度范围为-40至60 °C,分压为5至1000 Pa。温度对活性炭和沸石13 X上的吸附量的影响进行了讨论,考虑吸附等温线和吸附剂和吸附剂表面之间的特定相互作用的吸附热为每个吸附。
Removing of trace-leveled light hydrocarbons from exhaust air or gas streams becomes an increasingly important issue in the field of process and environmental technology, e.g., storage and transport of liquefied natural gas. Adsorption processes at temperatures below 0 °C have great potential to meet process specifications or environmental regulatory limits. Designing of such adsorption processes requires a profound insight into the thermodynamics of adsorption at low temperatures, which is not available yet. Therefore, this work provides adsorption isotherms of ethane, propane, andn-butane on microporous activated carbon and zeolite 13X in a temperature range from −40 to +60 °C and at partial pressures from 5 to 1000 Pa. The influence of temperature on the adsorbed amount on activated carbon and zeolite 13X is discussed for each adsorptive considering isosteric heats of adsorption and specific interactions between the adsorptive and the adsorbent surface.
固定床中多种吸附物吸附与解吸的研究
DOI: --
发表时间: 1988
期刊:
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发表时间: 1990
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