HIGH SOLID LOADING SACCHARIFICATION PROCESS OF WASTE PULP AND PAPER SLUDGE (PPS) MATERIAL FOR PRODUCTION OF FERMENTABLE SIMPLE SUGARS IN CONCENTRATED FORM

The present invention discloses a process of production of fermentable simple sugars in concentrated form from waste pulp and paper sludge (PPS) material employing High solid loading saccharification process. The process of the present invention comprises of a. Procuring waste pulp and paper sludge (PPS) with characteristic composition; b. Pretreating the PPS by steam explosion followed by sodium hydroxide treatment for maximum removal of lignin and poorly fermentable hemicelluloses to form pretreated PPS; c. High solid loading saccharification of the pretreated PPS employing characterised concentration of Low cost commercial crude cellulase enzyme (SUPER CUT) of specific activity， characterised concentration of solid loading and characterised concentration of surfactant TWEEN 80for predetermined time to obtain maximum production of fermentable simple sugars.