Crossref journal-article
American Society for Microbiology
Applied and Environmental Microbiology (235)
Abstract

ABSTRACT Attempts have been made to use manganese peroxidase (MnP) for chlorine-free pulp biobleaching, but they have not been commercially viable because of the enzyme's low stability. We developed a new pulp biobleaching method involving mesoporous material-immobilized manganese peroxidase from Phanerochaete chrysosporium . MnP immobilized in FSM-16, a folded-sheet mesoporous material whose pore size is nearly the same as the diameter of the enzyme, had the highest thermal stability and tolerance to H 2 O 2 . MnP immobilized in FSM-16 retained more than 80% of its initial activity even after 10 days of continuous reaction. We constructed a thermally discontinuous two-stage reactor system, in which the enzyme (39°C) and pulp-bleaching (70°C) reactions were performed separately. When the treatment of pulp with MnP by means of the two-stage reactor system and alkaline extraction was repeated seven times, the brightness of the pulp increased to about 88% within 7 h after completion of the last treatment.

Bibliography

Sasaki, T., Kajino, T., Li, B., Sugiyama, H., & Takahashi, H. (2001). New Pulp Biobleaching System Involving Manganese Peroxidase Immobilized in a Silica Support with Controlled Pore Sizes. Applied and Environmental Microbiology, 67(5), 2208–2212.

Authors 5
  1. Toshiya Sasaki (first)
  2. Tsutomu Kajino (additional)
  3. Bo Li (additional)
  4. Hidehiko Sugiyama (additional)
  5. Haruo Takahashi (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 27, 2002, 6 a.m.)
Deposited 3 years, 6 months ago (Feb. 23, 2022, 6:37 a.m.)
Indexed 4 weeks, 1 day ago (Aug. 5, 2025, 9:08 a.m.)
Issued 24 years, 4 months ago (May 1, 2001)
Published 24 years, 4 months ago (May 1, 2001)
Published Print 24 years, 4 months ago (May 1, 2001)
Funders 0

None

@article{Sasaki_2001, title={New Pulp Biobleaching System Involving Manganese Peroxidase Immobilized in a Silica Support with Controlled Pore Sizes}, volume={67}, ISSN={1098-5336}, url={http://dx.doi.org/10.1128/aem.67.5.2208-2212.2001}, DOI={10.1128/aem.67.5.2208-2212.2001}, number={5}, journal={Applied and Environmental Microbiology}, publisher={American Society for Microbiology}, author={Sasaki, Toshiya and Kajino, Tsutomu and Li, Bo and Sugiyama, Hidehiko and Takahashi, Haruo}, year={2001}, month=may, pages={2208–2212} }