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Membrane Technology for the Recovery of Lignin: A Review

Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Giessen 35390, Germany
Department of Chemical Engineering, Kansas State University, Manhattan, KS 66506, USA
Faculty of Biology and Chemistry, Justus-Liebig University of Giessen, Giessen 35390, Germany
Author to whom correspondence should be addressed.
Academic Editor: Clàudia Fontàs
Membranes 2016, 6(3), 42;
Received: 5 July 2016 / Revised: 12 August 2016 / Accepted: 29 August 2016 / Published: 6 September 2016
(This article belongs to the Special Issue Membrane and Process Intensification)
Utilization of renewable resources is becoming increasingly important, and only sustainable processes that convert such resources into useful products can achieve environmentally beneficial economic growth. Wastewater from the pulp and paper industry is an unutilized resource offering the potential to recover valuable products such as lignin, pigments, and water [1]. The recovery of lignin is particularly important because it has many applications, and membrane technology has been investigated as the basis of innovative recovery solutions. The concentration of lignin can be increased from 62 to 285 g∙L−1 using membranes and the recovered lignin is extremely pure. Membrane technology is also scalable and adaptable to different waste liquors from the pulp and paper industry. View Full-Text
Keywords: ceramic membrane; lignin treatment; lignin fractionation; lignosulfonate; spent sulfite liquor ceramic membrane; lignin treatment; lignin fractionation; lignosulfonate; spent sulfite liquor
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Humpert, D.; Ebrahimi, M.; Czermak, P. Membrane Technology for the Recovery of Lignin: A Review. Membranes 2016, 6, 42.

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