Deep Oxidative Desulfurization of Thiophenic Model Oil/Natural Gas Condensate Over Tungsten/Molybdenum Oxides Using H2O2 as Oxidant

Moradi Gholam Reza; Rafiee Ezzat; Sahraei Sadegh; Jabari Amin

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Deep Oxidative Desulfurization of Thiophenic Model Oil/Natural Gas Condensate Over Tungsten/Molybdenum Oxides Using H2O2 as Oxidant

机译：以H2O2为氧化剂在钨/钼氧化物上对噻吩型石油/天然气凝析油进行深度氧化脱硫

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Supported Na2WO4/ZSM5 as catalyst was used for deep oxidative desulfurization (ODS) of mixed thiophenic compounds model oil and natural gas condensate under mild conditions by using hydrogen peroxide as oxidant. A one factor at a time optimization strategy was applied for optimizing the parameters such as temperature, loading of catalysts, reaction time, type of extractant and oxidant to S-compounds molar ratio. The corresponding products can be easily removed from the model by using MeCN as best extractant. Results showed highly catalytic activity of Na2WO4/ZSM5 for the oxidative removal of dibenzothiophene and mixed thiophenic model oil under atmospheric pressure at 75 degrees C in a biphasic system. By applying the ODS to mixed model/MeCN and gas condensate/MeCN, the conversion reached to 94 and 81%, respectively, using 40% loading Na2WO4/ZSM5 as catalysis under the optimal conditions. To investigate the oxidation and adsorption effects of gas condensate composition on ODS, effects of cyclohexene, 1,7-octadiene, and o-xylene were studied with different concentrations.

机译：以过氧化氢为氧化剂，在温和条件下，将负载的Na2WO4 / ZSM5催化剂用于混合噻吩化合物样油和天然气凝析油的深度氧化脱硫（ODS）。一次优化策略采用一个因素来优化参数，例如温度，催化剂的负载量，反应时间，萃取剂的类型和氧化剂与S化合物的摩尔比。通过使用MeCN作为最佳提取剂，可以轻松地从模型中删除相应的产品。结果显示，Na2WO4 / ZSM5在双相体系中，在大气压力和75摄氏度下，对二苯并噻吩和混合噻吩模型油的氧化去除具有很高的催化活性。通过将ODS应用于混合模型/ MeCN和气体冷凝物/ MeCN，在最佳条件下使用40％的负载Na2WO4 / ZSM5作为催化剂，转化率分别达到了94％和81％。为了研究气体冷凝物成分对ODS的氧化和吸附作用，研究了不同浓度的环己烯，1,7-辛二烯和邻二甲苯的影响。

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《Zeitschrift fur Anorganische und Allgemeine Chemie》 |2016年第7期|共6页
作者
Moradi Gholam Reza; Rafiee Ezzat; Sahraei Sadegh; Jabari Amin;
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正文语种 eng
中图分类化学;
关键词
Oxidative desulfurization; Extraction; Hydrogen peroxide; Desulfurization; Catalysis;

机译：氧化脱硫萃取过氧化氢脱硫催化;

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1. Deep Oxidative Desulfurization of Thiophenic Model Oil/Natural Gas Condensate Over Tungsten/Molybdenum Oxides Using H2O2 as Oxidant [J] . Moradi Gholam Reza, Rafiee Ezzat, Sahraei Sadegh, Zeitschrift fur Anorganische und Allgemeine Chemie . 2016,第7期

机译：以H2O2为氧化剂在钨/钼氧化物上对噻吩型石油/天然气凝析油进行深度氧化脱硫
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Deep Oxidative Desulfurization of Thiophenic Model Oil/Natural Gas Condensate Over Tungsten/Molybdenum Oxides Using H2O2 as Oxidant

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