Innovations in papermaking using enzymatic intervention: an ecofriendly approach

Tanveer, Aiman; Gupta, Supriya; Dwivedi, Shruti; Yadav, Kanchan; Yadav, Sangeeta; Yadav, Dinesh

doi:10.1007/s10570-023-05333-2

Cited by 6 publications

(1 citation statement)

References 135 publications

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“…Pretreatment with xylanase in the bleaching process effectively reduced the total active chlorine consumption by 25-50% in the bleaching process of leaf wood kraft pulp. Xylanase has a good effect on pulp fibers in the bleaching process, where xylanase can degrade xylan bonds in residual lignin [16]. Thus, the development of xylanase treatment before O2 delignification in conventional ECF bleaching shows excellent potential for improving pulp quality and reducing the environmental impact of the bleaching process.…”

Section: Literature Reviewmentioning

confidence: 99%

Enhancement of Pulp Brightness and Yield in ECF Bleaching Using Xylanase Treatment: A Comparative Study on Different Wood Species

Trismawati,

Wikanaji,

Marlina

et al. 2024

IJDNE

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Section: Literature Reviewmentioning

confidence: 99%

Enhancement of Pulp Brightness and Yield in ECF Bleaching Using Xylanase Treatment: A Comparative Study on Different Wood Species

Trismawati,

Wikanaji,

Marlina

et al. 2024

IJDNE

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Microbial Laccases: Structure, Function, and Applications

Gupta,

Tanveer,

Dwivedi

et al. 2024

Microbial Enzymes

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Biochemical characterization of an acid‐thermostable glucoamylase from Aspergillus japonicus with potential application in the paper bio‐deinking

Pasin,

Betini,

de Lucas

et al. 2023

Biotechnology Progress

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Aspergillus species have been highlighted in enzyme production looking for industrial applications, notably, amylases are one of the most interesting enzymes. They are capable of hydrolyzing α‐glycosidic linkages of starch and widely used in industrial processes to produce ethanol, glucose, and fructose syrup as well as in the textiles, detergents, and paper industries applications. In this context, this work aimed at the biochemical characterization of the glucoamylase from Aspergillus japonicus and its application in the bio‐bleaching process of recycled paper. The optimum temperature and pH for the glucoamylase assay were standardized as 50°C and 5.5. After 1 h of incubation, glucoamylase retained 90% of its activity at 30–50°C. It also kept 70% of its activity in the pH range of 4.0–6.5 after an hour of incubation. The enzyme led to an increase of 30% in the relative whiteness of 10 dry grams of sulfite paper and magazine paper when applied along with commercial cellulase and 10 mM MnCl2. In addition, after the treatments, the glucoamylase recovered activity was 30%–32%, which indicates a prolonged availability of the enzyme and can considerably curtail the redundant downstream process of the recycled paper bio‐bleaching. Thus, the glucoamylase from A. japonicus has a significant role in bio‐bleaching recycled paper, reducing the necessity of hard chemicals, and improving the industrial process in an interesting economic and ecological mode.

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Innovations in papermaking using enzymatic intervention: an ecofriendly approach

Cited by 6 publications

References 135 publications

Enhancement of Pulp Brightness and Yield in ECF Bleaching Using Xylanase Treatment: A Comparative Study on Different Wood Species

Enhancement of Pulp Brightness and Yield in ECF Bleaching Using Xylanase Treatment: A Comparative Study on Different Wood Species

Microbial Laccases: Structure, Function, and Applications

Biochemical characterization of an acid‐thermostable glucoamylase from Aspergillus japonicus with potential application in the paper bio‐deinking

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