7C hristensen T S et al. Improve Syngas Production Using Autothermal Reforming. Hydr. Proc. 1994,73(3) :39.
8Tayor P D, Milford W, et al. Process of Vapor Phase Catalytic Hydrogenation of Maleic An Hydride to Gamma - butyrolactone in High Conversion and Selectivity[P], USP 5347021,1994 - 09 - 13.
9Bellis H E, Del W. Dehydrogenation of Diols [P]. USP 5110954,1992-05 -05.
10Tatsumi I, Kuori M,Sadakatsu S. Process for the Preparation of Gamma - butyrolactone[P]. USP 5210229, 1993 -05 - 11.
