Improvement membrane filterability in nanofiltration of prehydrolysis liquor of kraft dissolving pulp by laccase treatment

Qiang Wang; Shanshan Liu; Guihua Yang; Jiachuan Chen

doi:10.1016/j.biortech.2015.01.028

Improvement membrane filterability in nanofiltration of prehydrolysis liquor of kraft dissolving pulp by laccase treatment

Bioresour Technol. 2015 Apr:181:124-7. doi: 10.1016/j.biortech.2015.01.028. Epub 2015 Jan 22.

Authors

Qiang Wang¹, Shanshan Liu², Guihua Yang³, Jiachuan Chen³

Affiliations

¹ Key Lab of Paper Science and Technology of Ministry of Education, Qilu University of Technology, Jinan, Shandong Province 250353, China; Limerick Pulp and Paper Centre and Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada. Electronic address: [email protected].
² Key Lab of Paper Science and Technology of Ministry of Education, Qilu University of Technology, Jinan, Shandong Province 250353, China; Limerick Pulp and Paper Centre and Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada.
³ Key Lab of Paper Science and Technology of Ministry of Education, Qilu University of Technology, Jinan, Shandong Province 250353, China.

PMID: 25643958
DOI: 10.1016/j.biortech.2015.01.028

Abstract

In this work, laccase treatment was employed to enhance nanofiltration process by lignin removal. Results showed that the membrane filterability was increased in terms of deionized water flux and PHL filtration process. On the other hand, the hemicellulosic sugars were negligible affected and can be concentrated to 172 g/L, which was increased about 300% from the original one. The combined laccase-nanofiltration process provides an alternative approach to utilize hemicellulosic sugars of PHL in an environmentally friendly way.

Keywords: Hemicellulosic sugar; Laccase; Membrane filterability; Nanofiltration; Prehydrolysis liquor.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Filtration / methods*
Hydrolysis
Ions
Laccase / pharmacology*
Membranes, Artificial*
Nanotechnology / methods*
Paper*
Time Factors
Trametes / enzymology
Water

Substances

Ions
Membranes, Artificial
Water
Laccase