The invention discloses a bamboo chemimechanical pulp bioenzyme
pretreatment method. The bamboo chemimechanical pulp bioenzyme
pretreatment method comprises the following steps: feeding bamboo pieces into a
steaming cabin for normal-pressure pre-
steaming after screening the bamboo pieces, and then carrying out first-stage screw
extrusion; adding bioenzyme in an extruded material for pretreatment, then carrying out high-temperature deactivation, washing and
dewatering, then carrying out first-stage and second-stage chemical pre-impregnating in sequence, then carrying out first-stage high-consistency normal-pressure pulp
grinding by using a high-consistency disc refiner of which rho is 300, and completing bleaching reaction by enabling pulp to stay in a high-consistency reaction cabin for about 50 to 60 minutes; then carrying out follow-up pulp
grinding by using a disc refiner, preparing pulp samples in different Canadian freeness degrees by controlling and inputting different pulp
grinding energy consumptions, respectively recording the pulp grinding
energy consumption needed for preparing each pulp sample, and using the different pulp samples for paper pulp performance testing after respectively carrying out latent
elimination, acidification, washing, screening and
dewatering concentration. According to the bamboo chemimechanical pulp bioenzyme
pretreatment method disclosed by the invention, by carrying out pretreatment on bamboo bioenzyme, compared with a traditional PRC (Preconditioning Refiner Chemical)-APMP (
Alkaline Peroxide Mechanical Pulping) technology, the difference in respects of pulp grinding
energy consumption and pulp performance can be observed, and a reference technology is provided for preparing chemimechanical pulp by using bamboos as raw materials.