Proceeding of Annual/Fall Meetings of the Japan Petroleum Institute
61st R&D Symposium of Jpn. Petrol. Inst.
Session ID : A07
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Propylene glycol synthesis by hydrogenation of lactic acid with Ru-Sn/C catalysts
*Takanori Miyake, Souta Akiyama, Kousuke Nishiguchi, Makoto Sano, Toshimitsu Suzuki
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Abstract
Propylene glycol synthesis by the liquid-phase hydrogenation of lactic acid was studied with Ru-Sn/C catalysts. The catalyst prepared with Ru/Sn=1 (molar ratio) gave RuSn intermetallic compound of body-centered cubic structure. The particle size of RuSn depended on metal sources and pH for impregnation. Hydrogenation of aqueous 5% lactic acid solution gave 100% conversion and 98% selectivity to propylene glycol at 190 degree C, 4 MPa and 1 h. 
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© 2012 The Japan Petroleum Institute
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