Review on Total Chlorine Free Bleaching Sequences of Wheat Straw Pulp

Abstract

Wheat straw is one of the important non-wood natural fibers being used by many pulp and paper mills around the globe to make the quality paper. Pulp and paper making offers various challenges ranging from raw material to finish products. Besides customers' demand, satisfying environmental regulatory is another obligation for mill owners since last few decades. To look for environmentally benign processes without compromising pulp fibre's physical and chemical properties is today's practical consideration. In this review, only those total chlorine free bleaching sequences for wheat straw pulp developed during 1994 to 2009 are presented which yielded brightness more than 80 % ISO/SBD.