Fig. 6From: A process for purifying xylosugars of pre-hydrolysis liquor from kraft-based dissolving pulp production processEffect of laccase treatment on lignin removal of PHL-2nd. The other treating conditions: a pH 5, temperature 45 °C and time 3 h; b laccase dosage 5 U/g, temperature 45 °C and time 3 h; c laccase dosage 5 U/g, pH 5 and time 3 h; d laccase dosage 5 U/g, pH 5 and temperature 45 °CBack to article page