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Enzyme use can lower bleaching costs, aid ECF conversions

Pulp & paper, 1999-07, Vol.73 (7), p.59-62

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Title:
Enzyme use can lower bleaching costs, aid ECF conversions
Author: Senior, D.J ; Hamilton, J ; Taiplus, P ; Torvinen, J
Subjects: Advantages ; Bleaching ; Cellulase ; Cellulose ; Chemical process industries ; Chlorine ; Conversion ; Cost control ; Dioxins ; elemental chlorine free bleaching ; Environmental protection ; Enzymes ; Forest products industry ; Lignin ; Management ; Pulp & paper industry ; Pulp industry ; Pulp mills ; Pulpwood ; Wood-pulp ; xylanase
Is Part Of: Pulp & paper, 1999-07, Vol.73 (7), p.59-62
Description: Interest in using xylanase enzymes for pulp bleaching has jumped dramatically in 1999. In the US, promulgation of the Cluster Rules has pressured paper mills to complete conversion to elemental chlorine free (ECF) bleaching in an economic way. Also, weak markets for many pulp and paper products have forced mills to lower their bleaching costs. Fortunately, the use of enzymes can address both needs. Most full-time applications focus on cost reductions using dioxide and ECF bleaching. Recent developments involve use of enzymes to eliminate the first chlorine dioxide stage and thereby help reduce water usage. A background on enzyme use is presented, along with current mill situations that highlight its benefits.
Publisher: San Francisco: Paperloop.com, Inc
Language: English
Identifier: ISSN: 0033-4081
CODEN: PUPAA8
Source: AUTh Library subscriptions: ProQuest Central

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