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【期刊论文】A DFT study of synthesis of acetic acid from methane and carbon dioxide
刘昌俊, Jian-guo Wang a, Chang-jun Liu a, *, Yue-ping Zhang b, Baldur Eliasson c
Chemical Physics Letters 368(2003)313-318,-0001,():
-1年11月30日
We have previously reported an experimental investigation on synthesis of acetic acid directly from CH4 and CO2 via dielectric-barrier discharge. In this work, a DFT study was conducted using three hybrid DFT methods in order to understand the mechanism of such direct synthesis. It suggests that the synthesis is via two pathways with CO 2 and CO as key intermediates. The energy requirement with CO 2 pathway is much less than that with CO. The methyl radical formation and the dissociation of CO2 are two limiting steps for the synthesis of acetic acid directly from CH4 and CO2.
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【期刊论文】A novel plasma-treated Pt/NaZSM-5 catalyst for NO reduction by methane
刘昌俊, Yue-Ping Zhang a, Pei-Sheng Ma b, Xinli Zhu b, Chang-Jun Liu b, *, Yutian Shen c
Catalysis Communications 5(2004)35-39,-0001,():
-1年11月30日
A novel catalyst preparation for NO reduction by CH4 has been conducted using a glow discharge plasma treatment followed by calcinations thermally. Such plasma prepared Pt/NaZSM-5 catalyst exhibits a high dispersion of metal active species. A remarkable improvement in the activity and stability, compared to the catalysts prepared conventionally, has been achieved. Especially, an excellent low temperature activity over the plasma-treated Pt/NaZSM-5 catalyst has been obtained. For example, the conventional 0.1 wt% Pt/NaZSM-5 catalyst shows no activity at temperatures below 673 K, while at 673 K, the NO conversion to nitrogen reaches 61.3% over the plasma-treated 0.1 wt% Pt/NaZSM-5 catalyst. The initiated temperature for the plasma-treated 0.1 wt% Pt/NaZSM-5 catalyst can be as low as 548 K.
Glow discharge, Plasma, Pt/, NaZSM-5, NO reduction, Methane
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【期刊论文】Partial Oxidation of Methane to Syngas over Plasma Treated Ni-Fe/La2O3 Catalyst
刘昌俊, Jian-guo Wang, †;†† Chang-jun Liu, †;†† Yue-ping Zhang, †;†† Xin-li Zhu, †;†† Jijun Zou, †;†† Kai-lu Yu, †;†† and Baldur Eliasson†††
,-0001,():
-1年11月30日
Ni-Fe/La2O3 catalyst prepared by a glow discharge plasma treatment following calcinations thermally exhibits higher activity and selectivity compared to the Ni-Fe/La2O3 prepared conventionally. At the same reaction temperature, the CH4 conversion, CO selectivity and H2 selectivity obtained from the plasma prepared Ni-Fe/La2O3 are 5-9%, 4-7% and 9-15% higher than those from the conventional Ni-Fe/La2O3 catalyst, respectively. At the same methane conversion, the reaction temperature with the plasma prepared Ni-Fe/La2O3 is at least 100 C lower than that with the conventional Ni-Fe/La2O3.
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刘昌俊, Chang-jun Liu, Jian-guo Wang, Yu Wang and Baldur Eliasson
Fuel Chemistry Division Preprints 2003, 48 (1), 268,-0001,():
-1年11月30日
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