ENZYMATIC MODIFICATION OF POPLAR BCTMP PULP
Modification of poplar BCTMP pulp by pectinase was studied. The results showed that the optimal conditions of pectinase treatment were as follows: pectinase dosage 10U/g, pulp consistency 1.0%, initial pH value 4.5, temperature 45 ℃ and time 60min, through which the best drainage and strength properties of the treated BCTMP pulp were obtained. Compared with the untreated pulp, the beating degree of the treated pulp was decreased by 3.5°SR~5.0°SR, the dynamic drainage time of the treated pulp was reduced by 8.05%~ 9.47%, and the tensile, burst, and tearing indexes of the pulp treated by pectinase were improved by 1.51%, 15.31%, and 26.01% respectively.
BCTMP pulp pectinase drainage physical properties
Jiachuan Chen Guihua Yang Yi Dong
Key Laboratory of Pulp & Paper Science and Technology (Shandong Polytechnic University), Ministry of Education,Jinan, Shandong 250353, PR China
国际会议
16th International Symposium on Wood,Fiber and Pulping Chemistry(第十六届木材、纤维及制浆化学国际会议)
天津
英文
1138-1141
2011-06-08(万方平台首次上网日期,不代表论文的发表时间)