ZA927428B - Process for improving the selectivity of the delignification of a chemical paper pulp. - Google Patents

Process for improving the selectivity of the delignification of a chemical paper pulp.

Info

Publication number
ZA927428B
ZA927428B ZA927428A ZA927428A ZA927428B ZA 927428 B ZA927428 B ZA 927428B ZA 927428 A ZA927428 A ZA 927428A ZA 927428 A ZA927428 A ZA 927428A ZA 927428 B ZA927428 B ZA 927428B
Authority
ZA
South Africa
Prior art keywords
delignification
selectivity
improving
paper pulp
chemical paper
Prior art date
Application number
ZA927428A
Other languages
English (en)
Inventor
Roy T Hill
Original Assignee
Interox America
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 Interox America filed Critical Interox America
Publication of ZA927428B publication Critical patent/ZA927428B/xx

Links

Classifications

    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ZA927428A 1991-10-04 1992-09-28 Process for improving the selectivity of the delignification of a chemical paper pulp. ZA927428B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77085991A 1991-10-04 1991-10-04

Publications (1)

Publication Number Publication Date
ZA927428B true ZA927428B (en) 1993-07-23

Family

ID=25089920

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA927428A ZA927428B (en) 1991-10-04 1992-09-28 Process for improving the selectivity of the delignification of a chemical paper pulp.

Country Status (5)

Country Link
KR (1) KR930008239A (cs)
BR (1) BR9203858A (cs)
CA (1) CA2079730A1 (cs)
CZ (1) CZ283763B6 (cs)
ZA (1) ZA927428B (cs)

Also Published As

Publication number Publication date
CZ283763B6 (cs) 1998-06-17
BR9203858A (pt) 1993-04-27
CZ297592A3 (en) 1993-07-14
CA2079730A1 (fr) 1993-04-05
KR930008239A (ko) 1993-05-21

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