Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D33/00—Filters with filtering elements which move during the filtering operation
  • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
  • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D36/00—Filter circuits or combinations of filters with other separating devices
  • B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
  • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
  • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
  • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
  • D21D5/02—Straining or screening the pulp
  • D21D5/04—Flat screens
  • D21D5/046—Rotary screens

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Mechanical Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Wood Science & Technology (AREA)
• Paper (AREA)
• Filtration Of Liquid (AREA)
• Filtering Materials (AREA)
• Treatment Of Sludge (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=20408095

Family Applications (1)

Country Status (7)

Family Cites Families (2)

• 1997
  • 1997-09-01 SE SE9703139A patent/SE9703139D0/xx unknown
• 1998
  • 1998-08-31 DE DE19882626T patent/DE19882626T1/de not_active Withdrawn
  • 1998-08-31 JP JP2000508449A patent/JP2001514067A/ja active Pending
  • 1998-08-31 AU AU90128/98A patent/AU9012898A/en not_active Abandoned
  • 1998-08-31 WO PCT/SE1998/001542 patent/WO1999011357A1/en not_active Ceased
  • 1998-08-31 CA CA002301164A patent/CA2301164A1/en not_active Abandoned
• 2000
  • 2000-02-28 FI FI20000452A patent/FI20000452A7/fi unknown

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