Cellulase-assisted refining of chemical pulps: Impact of enzymatic charge and refining intensity on energy consumption and pulp quality

Lecourt, Michaël; Sigoillot, Jean‐Claude; Petit‐Conil, Michel

doi:10.1016/j.procbio.2010.04.019

Cited by 46 publications

(21 citation statements)

References 5 publications

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“…The degree of beating increased by 1-4°SR, compared to control sample C1. This agreed with the tendencies established in [2][3][4][5]8], and was due to the increased fibrillation of cellulose fibers during beating after biocatalytic treatment. At the same time, the mean width of fibers and the shape factor characterizing the degree of fiber flexing remained virtually the same.…”

Section: Resultssupporting

confidence: 90%

“…It was shown in [2][3][4][5][6][7][8][9][10] that the action of cellulases accelerates the beating of technical cellulose. Improvement in the strength of technical cellulose is often noted after treatment with cellulases.…”

Section: Introductionmentioning

confidence: 99%

“…Enzymatic complexes of these producers initiate the industrial hydrolysis of plant raw material into monosaccharides. For the modification of cellulose fibers, scientists use a preparation based on fungi of the family Trichoderma [3,5,9], and other producers such as Cellulomonas fimi [6], Paenibacillus sp. strain BP 23 [8], and Chrysosporium lucknowense [10].…”

Section: Introductionmentioning

confidence: 99%

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Preparing catalyst based on recombinant cellulolytic enzyme specimen Penicillium verruculosum and its use in the paper industry

et al. 2016

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The effective application of a biocatalyst based on recombinant enzyme preparations obtained using Penicillium verruculosum is studied for the modification of marketable bleached sulfate hardwood cellulose. The effect of treatment with cellulase complex on the structure, morphology, and surface state of cellulose fibers is evaluated. After biocatalytic exposure, cellulose is shown to have an improved capacity for beating and the formation of bonds in paper sheets, along with greater strength than the initial cellulose. Application of the enzymatic modification of cellulose in the paper industry during biotechnological processes allows a range of problems in the efficient use of energy and resources to be solved.

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Section: Resultssupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Preparing catalyst based on recombinant cellulolytic enzyme specimen Penicillium verruculosum and its use in the paper industry

et al. 2016

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“…(Oksanen et al 1997;Fasdim and Duran 2003;Lecourt et al 2010;Gharehkhani et al 2015). Normally, those changes happening to fibers are characterized by the beating degree value, °SR (Mutjé et al 2005;González et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Refining, Dewatering, and Paper Properties of Soda-anthraquinone (Soda/AQ) Pulp from Rice Straw

SiCheng¹,

Wu²

2017

BioResources

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The dynamic drainage, zeta potential, cationic demand, fiber morphology, ash content, and silica content of rice straw soda-anthraquinone (soda/AQ) pulps were measured to study the effects of a mechanical treatment on the drainage performance. The physical properties of handsheets prepared from each beaten sample were also analyzed. It was indicated that pulp fibers played an important role in increasing the beating degree in comparison with non-fibrous cells during refining. The dynamic drainage curve could be divided into three different stages in terms of the drainage rate, and the difference between the pulps screened-out non-fibrous cells (Pnof), and unremoved non-fibrous cells (Pf) decreased with refining. Due to the absence of a large quantity of nonfibrous cells, as the beating proceeded, the straw pulp presented an everincreasing tendency in terms of kink index and curl index. Also, cationic demands of pulps increased linearly and the zeta potential of the fibers decreased gradually with beating. Rice straw was found to be favorable for papermaking, helping to compensate for an acute shortage of wood in China.

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“…Logo, foi possível obter um papel com propriedades físico mecânicas semelhantes, porém com uma redução significativa na energia necessária no processo de refino, em linha com a conclusão de vários autores (Gil et al, 2009;Garcia et al, 2002;Lecourt et al, 2010). No caso da enzima comercial Buzyme 2545, não houve resultados significativos antes do refino como na enzima Maximyze 2530, porém houve uma evolução significativa das propriedades durante o processo de refino.…”

Section: Efeito Do Pré-tratamento Enzimático No Refinounclassified

Aplicação de celulases no refino de fibras celulósicas Kraft branqueadas de eucalipto.

Publio¹

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Cellulase-assisted refining of chemical pulps: Impact of enzymatic charge and refining intensity on energy consumption and pulp quality

Cited by 46 publications

References 5 publications

Preparing catalyst based on recombinant cellulolytic enzyme specimen Penicillium verruculosum and its use in the paper industry

Preparing catalyst based on recombinant cellulolytic enzyme specimen Penicillium verruculosum and its use in the paper industry

Refining, Dewatering, and Paper Properties of Soda-anthraquinone (Soda/AQ) Pulp from Rice Straw

Aplicação de celulases no refino de fibras celulósicas Kraft branqueadas de eucalipto.

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