Eco-friendly new products from enzymatically modified industrial lignins |
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| Authors: | G. Sena-Martins E. Almeida-Vara J.C. Duarte |
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| Affiliation: | 1. Academy of Scientific and Innovation Research (AcSIR) at CSIR – Indian Institute of Petroleum (IIP), Dehradun, 248005, Uttarakhand, India;2. Biomass Conversion Area (BCA), Materials Resource Efficiency Division (MRED), CSIR – Indian Institute of Petroleum (IIP), Dehradun, 248005, Uttarakhand, India;3. Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India;1. Technical Inspection Engineering Department, Petroleum University of Technology, Abadan, Iran;2. Department of Chemical and Biological Engineering, Drexel University, Philadelphia, PA, USA;3. Technical Faculty, Tehran''s South Branch, Azad University, Iran;4. Chemical Engineering Department, Petroleum University of Technology (PUT), Ahwaz, Iran;1. Fisher College of Business, The Ohio State University, 2100 Neil Avenue, Columbus, OH 43210, United States;2. Questrom School of Business, Boston University, 595 Commonwealth Avenue, Boston, MA 02214, United States;3. Sauder School of Business, University of British Columbia, Vancouver, BC, V6T 1Z2, Canada;1. Department of Bioengineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan;2. Plant Gene Regulation Research Group, Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8566, Japan;3. Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan |
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| Abstract: | Industrial lignins are by-products from the pulp and paper industry, as well as from other biomass-based industries. They are non-toxic, potentially of high value, inexpensive and available in large amounts. They possess highly reactive locations that can be enzymatically modified to develop new and environmentally friendly products.The oxidative enzymes produced by ligninolytic fungi are the catalysts that have mostly been used for the up-grading of these new technologies.This paper aims to provide a general picture of the variety of new and eco-friendly products that have recently been produced through enzyme-based technologies and using industrial lignins as raw materials, namely for the production of lignin-based copolymers by grafting, binders for wood composites, chelating agents, compositions for treating porous materials, coatings and paintings. In addition, it introduces fundamental aspects related to the enzymes used to modify the lignin structure to the interested readers that are not familiar with this field of research. |
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