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Watzig et al., 2005 - Google Patents

Automatic control of additives with modern online measurement technology raises papermaker productivity

Watzig et al., 2005

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Document ID
4468438409907030869
Author
Watzig D
Rauch R
Waters K
Pike B
Publication year
Publication venue
Appita: Technology, Innovation, Manufacturing, Environment

External Links

Snippet

In recent years, paper machines have undergone remarkable changes in terms of speeds and usable widths to meet ever increasing demands on paper quality. This development has necessitated novel techniques for monitoring the stock properties. Today, lab-scale …
Continue reading at search.informit.org (PDF) (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/34Investigating or analysing materials by specific methods not covered by the preceding groups paper
    • G01N33/343Investigating or analysing materials by specific methods not covered by the preceding groups paper paper pulp
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/26Investigating or analysing materials by specific methods not covered by the preceding groups oils; viscous liquids; paints; inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/34Investigating or analysing materials by specific methods not covered by the preceding groups paper
    • G01N33/346Investigating or analysing materials by specific methods not covered by the preceding groups paper paper sheets
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00Other accessories for paper-making machines
    • D21G9/0009Paper-making control systems
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06Controlling the addition
    • D21H23/08Controlling the addition by measuring pulp properties, e.g. zeta potential, pH

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