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Competitive and synergistic adsorption of binary volatile organic compound mixtures on activated carbon 被引量:2
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作者 Jing Zhu Hong-Lei Zhan +3 位作者 Kun Zhao Xin-Yang Miao Qiong Zhou Wen-Zheng Yue 《Chinese Physics B》 SCIE EI CAS CSCD 2019年第2期106-110,共5页
The adsorption of four substances and their binary mixture is investigated via the terahertz time domain spectroscopy(THz-TDS). The selected unary compound(ethanol, acetone, ethyl acetate, and n-propyl acetate) and bi... The adsorption of four substances and their binary mixture is investigated via the terahertz time domain spectroscopy(THz-TDS). The selected unary compound(ethanol, acetone, ethyl acetate, and n-propyl acetate) and binary mixture(solution 1 is composed of ethanol and acetone, and solution 2 is composed of ethyl acetate and n-propyl acetate) exhibit different adsorption behaviors with varied polarities. In comparison with single component, solution 1 shows shorter adsorption equilibrium time, faster adsorption rate, and stronger adsorption capacity, which conform to a synergistic adsorption mechanism, while the competitive behavior is attributed to the slower adsorption in solution 2. In addition, the pseudo-second-order equation with terahertz parameter is used to assess the rate of binary component organics. The present results indicate a further understanding of multicomponent adsorption mechanisms. 展开更多
关键词 COMPETITIVE ADSORPTION SYNERGISTIC ADSORPTION oil–gas RESERVOIRS terahertz time domain spectroscopy(thz-tds)
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