4Gryglewicz S.Rapeseed oil esters preparation using heterogeneous catalysts[J].Bioresource Technology,1999,70:249-253.
5Liu Xuejun,He Huayang,Wang Yujun,Zhu Shenlin.Transesterification of soybean oil to biodiesel using SrO as a solid base catalyst[J].Catalysis Communications,2007,8:1107 -1111.
6Jitputti J,Kitiyanan B,Rangsunvigit P,Bunyakiat K,Attanatho L,Jenvanitpanjakul P.Transesterification of crude palm kernel oil and crude coconut oil by different solid catalysts[J].Chemical Engineering Journal,2006,116:61-66.
7Furuta S,Matsuhashi H,Arata K.Biodiesel fuel production with solid superacid catalysis in fixed bed reactor under atmospheric pressure[J].Catalysis Communications,2004,5:721-723.
8Furuta S,Matsuhashi H,Arata K.Biodiesel fuel production with solid amorphous-zirconia catalysis in fixed bed reactor[J].Biomass and Bioenergy,2006,30:870-873.
9Sreeprasanth P S,Srivastava R,Srinivas D,Ratnasamy P.Hydrophobic solid acid catalysts for production of biofuels and lubricants[J].Applied Catalysis A:General,2006,314:148-159.
10Kusdiana D,Saka S.Effects of water on biodiesel fuel production by supercritical methanol treatment[J].Bioresource Technology,2004,91:289-295.
8[3]Saka S,Kusdiana D.Biodiesel fuel from rapeseed oil as prepared in supercritical methanol[J].Fuel,2001,80:225-231.
9[4]Cao Wei-liang,Han Heng-wen,Zhang Jing-chang.Preparation of biodiesel from soybean oil using supercritical methanol and co-solvent[J].Fuel,2005,84:347-357.
