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Ponderay Newsprint uses microparticle system to optimize wet end machine operation

Pulp & Paper, 2003-07, Vol.77 (7), p.40-43

Copyright Paperloop, Inc. Jul 2003 ;ISSN: 0033-4081 ;CODEN: PUPAA8

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  • Title:
    Ponderay Newsprint uses microparticle system to optimize wet end machine operation
  • Author: Covarrubias, R.M ; Kessler, B ; Magee, K
  • Subjects: Chemicals ; Chemistry ; Costs ; Drainage ; Manufacturing ; newsprint ; papermaking ; Polymers ; Production methods ; Pulp & paper industry ; Quality control ; Retention ; Statistical data ; wet milling ; wood pulp
  • Is Part Of: Pulp & Paper, 2003-07, Vol.77 (7), p.40-43
  • Description: Retention and drainage programs have always been at the forefront of the papermaking process, impacting areas of performance and quality. Traditionally, conventional polyethyleneamines, polyamides, and polyacrylamides in combination with an inorganic or organic coagulant have been the products of choice. However, in certain papermaking conditions, performance has been found to be lacking with this approach. In these cases microparticle programs have enabled the papermaker to achieve better results. Compared with conventional single- and dual-polymer retention systems, microparticle technologies have significant advantages systems due to the small, tight flocs formed, which adsorb strongly to the furnish components and leave the sheet structure open and uniform. Other advantages include increased retention and drainage with no sacrifice in formation and improved performance in the presence of high concentrations of interfering substances.
  • Publisher: San Francisco: RISI, Inc
  • Language: English
  • Identifier: ISSN: 0033-4081
    CODEN: PUPAA8
  • Source: ProQuest Central
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