CA922456A - Method of treatment of pulp mill liquors - Google Patents

Method of treatment of pulp mill liquors

Info

Publication number
CA922456A
CA922456A CA922456A CA922456DA CA922456A CA 922456 A CA922456 A CA 922456A CA 922456 A CA922456 A CA 922456A CA 922456D A CA922456D A CA 922456DA CA 922456 A CA922456 A CA 922456A
Authority
CA
Canada
Prior art keywords
treatment
pulp mill
mill liquors
liquors
pulp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA922456A
Inventor
E. Schill John
J. S. Shane Hugh
W. Lilley John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hart Chemical Ltd
Original Assignee
Hart Chemical Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hart Chemical Ltd filed Critical Hart Chemical Ltd
Application granted granted Critical
Publication of CA922456A publication Critical patent/CA922456A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B01D19/0413—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing N-atoms
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/28—Prevention of foam

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
CA922456A 1971-12-31 1971-12-31 Method of treatment of pulp mill liquors Expired CA922456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA131479 1971-12-31

Publications (1)

Publication Number Publication Date
CA922456A true CA922456A (en) 1973-03-13

Family

ID=4091934

Family Applications (1)

Application Number Title Priority Date Filing Date
CA922456A Expired CA922456A (en) 1971-12-31 1971-12-31 Method of treatment of pulp mill liquors

Country Status (1)

Country Link
CA (1) CA922456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035702A2 (en) * 1980-03-08 1981-09-16 Bayer Ag Antifoaming agent, its preparation and its use in hydrous systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035702A2 (en) * 1980-03-08 1981-09-16 Bayer Ag Antifoaming agent, its preparation and its use in hydrous systems
EP0035702A3 (en) * 1980-03-08 1981-12-30 Bayer Ag Antifoaming agent, its preparation and its use in hydrous systems

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