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Deinking of recycled paper by coupling of the enzyme endo-β-1,4-D-glucanasa and the cellulose, and by using a laboratory flotation column

Published online by Cambridge University Press:  27 October 2020

Jeovani González P.  and
Ramiro Escudero G Open the ORCID record for Ramiro Escudero G [Opens in a new window]
Jeovani González P.
Affiliation:
Institute of Research in Metallurgy and Materials. Universidad Michoacana de San Nicolás de Hidalgo. Santiago Tapia 403, C.P. 58000. Morelia, Michoacán, México. [email protected]; [email protected]
Ramiro Escudero G*
Affiliation:
Institute of Research in Metallurgy and Materials. Universidad Michoacana de San Nicolás de Hidalgo. Santiago Tapia 403, C.P. 58000. Morelia, Michoacán, México. [email protected]; [email protected]
*
*Author to whom correspondence should be addressed [email protected]
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Abstract

Deinking of recycled office (MOW) paper was carried out by using a flotation column and adding separately sodium hydroxide, and the enzyme Cellulase Thricodema Sp., as defibrillators.

The de-inked cellulose fibers were characterized according to the standards of the paper industry, to compare the efficiency of the deinking of each chemical reagent used to hydrolyze the fibers and defibrillate them.

The computational simulation of the molecular coupling between the enzyme and cellulose was performed, to establish the enzyme-cellulose molecular complex and then to identify the principal amino-acids of endo-β-1,4-D-glucanase in this molecular link, which are responsible for the hydrolysis of the cellulose.

Experimental results show the feasibility to replace sodium hydroxide with the enzyme Cellulase Thricodema Sp., by obtaining deinked cellulose with similar optical and physical properties.

The use of the enzyme instead of sodium hydroxide avoids the contamination of the residual water; in addition to that, the column is operated more easily, taking into consideration that the pH of the system goes from alkaline to neutral.

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Articles
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MRS Advances , Volume 5 , Issue 52-53: Nanoscale and Quantum Materials , 2020 , pp. 2669 - 2678
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Copyright
Copyright © The Author(s), 2020, published on behalf of Materials Research Society by Cambridge University Press

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References

Monte, M.C., Concepción, S., Mónica, B. S., Ángeles, N. A., Carlos, T. M. (2012). Improving deposition tester to study adherent deposits in papermaking. Chemical engineering research and design. Vol. 90, pp.1491-1499.CrossRefGoogle Scholar
Ferguson, L. (1992). Deinking chemistry: part 1. Tappi journal. Vol. 75, pp.75-83.Google Scholar
Carré, B., Magnin, L., Galland, G., Vernac, Y. (2000). Deinking difficulties related to ink formulation, printing process, and type of paper. Tappi Journal. Vol. 83, pp 60-92.Google Scholar
Beneventi, D. and Carré, B. (2000). The mechanisms of flotation deinking and the role of fillers. Progress in paper recycling, vol. 9, pp.77-85.Google Scholar
Rosencrance, S. (2007). Non-sulfite neutral deinking for recycled fibre. Pulp and paper Canada. Vol. 108, pp.15-18.Google Scholar
Alzate, G. H. H., Botero, A. E. C., Velázquez, J. J.A, Quintana, M. G. C. Dovale, S. A. M., Charla, L. V. (2013). Study of the enzymatic/neutral deinking process of waste photocopy paper. O´PAPEL, vol. 74, pp. 61-65.Google Scholar
Jobbins, J. and Heise, O. (1996). Neutral deinking of mixed office waste in a closed-loop process. In recycling‖ Symposium Tappi proceedings, pp 1-6.Google Scholar
Haynes, R. and Merza, J. (2005). Global application of sulphite based neutral deinking technology" Engineering. Pulping, and environmental conference, pp. 1-22.Google Scholar
Bobu, E. and Ciolacu, F. (2008). Deinkability of mixed prints: alkaline vs neutral deinking. Progess in paper recycling, vol. 18, pp. 23-31.Google Scholar
Castro, R. and Bothig, S. (1994). Study of some variables of the process of deinking. Uruguay Technological Lab (latu), March, pp1-14.Google Scholar
Wodward, J., Stephan, L., Koran, L., Wong, K., Saddler, J., (1994). Enzymatic eparation of high quality uninked pulp fibers from recycled newspaper. Biotechnology. Vol 12, pp 905-908.Google Scholar
Gill, R. (2000). Advances in use of fibre modification enzymes in paper making. XXI Tecnicelpa/ vi ciadicyp, Portugal. Vol. 58.Google Scholar
Pala, H., Mota, M. and Gama, F.M. (2004). Enzymatic versus chemical deinking of non-impact ink printed paper. Journal of biotechnology. Vol. 108, pp.79-89.CrossRefGoogle ScholarPubMed
Pathak, P., Bhardwaj, N. K., and Singh, A. K. (2011). Optimization of chemical and enzymatic deinking of photocopier waste paper. BioResources. Vol. (6), No. (1), pp 447-463.Google Scholar
Halperin, I., Wolfson, H. and Nussinov, R. (2002). Principles of docking: an overview of search algorithms and a guide to scoring functions. proteins: structure, function, and bioinformatics. Proteins: Structure, Function, and Genetics. Vol. 47, pp 409-443.CrossRefGoogle Scholar
Lavecchia, A. (2015). Machine-learning approaches in drug discovery: methods and applications. Drug Discovery Today. Vol. 20, pp 318-331.Google ScholarPubMed
Pineda, G. J. (2020). Mecanismos del destintado de papel MOW en columnas de flotación, mediante la catálisis enzimática de la Celulasa de Trichoderma sp. Ph. D. Thesis. Universidad Michoacana de San Nicolás de Hidalgo. Instituto deInvestigaciones Metalúrgicas. Morelia, Michoacán, México.Google Scholar
Escudero, R. and Finch, J. (2000). Determining Equivalent Pore Diameter for Rigid Porous Spargers. The Canadian Journal of Chemical Engineering, Vol 78, pp 785-792.Google Scholar
Morrison&Neilson, (1998). Quimica Orgánica, 5ta Ed. Persoon Addison Wesley.Google Scholar
Rosencrance, S., Horacek, B. and Hale, K. (2005). A unique new onp/omg, “True-Neutral. Deinking Technology. Annual meeting preprints. Pulp and Paper Technical Association of Canada, 91st.Montreal, QC, Canada, pp. 203-206.Google Scholar
Alzate, G. H. H., Dovale, S. A. M., Velázquez, J.A., Alzate, J. H. H., Quintana, M. G. C. (2015). Alkaly enzyme assisted deinking of mixed office waste paper with cellulase. O´Papel. Vol. (76), No. (2), pp 57-64.Google Scholar