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《Acta Petrolei Sinica(Petroleum Processing Section)》 2015-01
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Improvement of Working Solution for H_2O_2 Production by Anthraquinone Method

LIU Hang;FANG Xiangchen;JIA Liming;LIU Quanjie;Department of Materials Science and Engineering,Liaoning Shihua University;Fushun Research Institute of Petroleum and Petrochemicals,SINOPEC;  
In order to improve the hydrogen efficiency of working solution containing two components of heavy aromatics(AR)and trioctyl phosphate(TOP)for H2O2 production by anthraquinone method,the solubilities of 2-ethylanthraquinone(2-EAQ)in working solutions of AR+TOP added acetic acid(2-methylcyclohexyl)ester(2-MCHA)or 2,6-dimethyl-4-heptanol(DIBC)were measured.The density,viscosity,surface tension of AR+TOP+2-MCHA and AR+TOP+DIBC solutions,and the distribution coefficient of H2O2 in these solutions were analyzed.The AR+TOP+2-MCHA and AR+TOP+DIBC solutions with the volume ratios of 75∶20∶5and 75∶5∶20,respectively,were chosen as the working solutions,which possessed good properties for production of H2O2. Then their hydrogen efficiencies were evaluated in a microreactor.The results showed that compared with the AR+TOP working solution,whose hydrogen efficiency was 5.65g/L,the hydrogen efficiencies of the two new working solutions were significantly improved,reaching 12.53 and 11.31g/L,respectively.
【CateGory Index】: TQ123.6
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