Nanofiltration for separation and purification of saccharides from biomass

Xianhui Li, Sheng Tan, Jianquan Luo*, Manuel Pinelo*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Saccharide production is critical to the development of biotechnology in the field of food and biofuel. The extraction of saccharide from biomass-based hydrolysate mixtures has become a trend due to low cost and abundant biomass reserves. Compared to conventional methods of fractionation and recovery of saccharides, nanofiltration (NF) has received considerable attention in recent decades because of its high selectivity and low energy consumption and environmental impact. In this review the advantages and challenges of NF based technology in the separation of saccharides are critically evaluated. Hybrid membrane processes, i.e., combining NF with ultrafiltration, can complement each other to provide an efficient approach for removal of unwanted solutes to obtain higher purity saccharides. However, use of NF membrane separation technology is limited due to irreversible membrane fouling that results in high capital and operating costs. Future development of NF membrane technology should therefore focus on improving material stability, antifouling ability and saccharide targeting selectivity, as well as on engineering aspects such as process optimisation and membrane module design. [Figure not available: see fulltext.].

Original languageEnglish
JournalFrontiers of Chemical Science and Engineering
Volume15
Pages (from-to)837–853
ISSN2095-0179
DOIs
Publication statusPublished - 2021

Keywords

  • Biomas
  • Hybrid membrane process
  • Nanofiltration membrane
  • Saccharides

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