Pretreatment with alkali such as NaOH, KOH, Ca(OH)2, hydrazine and anhydrous ammonia cause swelling of biomass,which increases the internal surface area of the biomass, and decreases both the degree of polymerization, and cellulose crystallinity.
Pretreatment with alkali such as NaOH, KOH, Ca(OH)2, hydrazine and anhydrous ammonia cause swelling of biomass,which increases the internal surface area of the biomass, anddecreases both the degree of polymerization, and cellulose crystallinity.