PROGRESS IN HYDROLYTIC SACCHARIFICATION OF CELLULOSE BY SULFONATED CARBON-BASED SOLID ACIDS
In this paper,raw materials and preparation methods of sulfonated carbon-based solid acids were systematically introduced,the physicochemical structure of sulfonated carbon-based solid acids was analyzed in terms of their conformational relationship with cellulose hydrolysis.The reasons for deactivation of carbon-based solid acids and their separation and recovery methods were discussed.In view of the mass transfer limitations between solid acids and cellulose,a high-efficiency catalytic strategy named"first reducing crystallization and then hydrolysis"were summarized.Finally,the future research focus and prospects of sulfonated carbon-based solid acids were prospected,which provide scientific references for promoting the innovative development of sulfonated carbon-based solid acids in the construction of lignocellulosic sugar platforms.