ES416085A1 - Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi. - Google Patents

Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi.

Info

Publication number
ES416085A1
ES416085A1 ES416085A ES416085A ES416085A1 ES 416085 A1 ES416085 A1 ES 416085A1 ES 416085 A ES416085 A ES 416085A ES 416085 A ES416085 A ES 416085A ES 416085 A1 ES416085 A1 ES 416085A1
Authority
ES
Spain
Prior art keywords
bleaching
refining process
preparation
dissolving pulps
producing dissolving
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
ES416085A
Other languages
English (en)
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.)
ITT Industries Inc
Original Assignee
ITT Industries Inc
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 ITT Industries Inc filed Critical ITT Industries Inc
Publication of ES416085A1 publication Critical patent/ES416085A1/es
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/08Removal 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
    • D21C9/083Removal 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 with inorganic compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
ES416085A 1972-06-19 1973-06-19 Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi. Expired ES416085A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00263954A US3817825A (en) 1972-06-19 1972-06-19 Bleaching and refining process for producing dissolving pulps

Publications (1)

Publication Number Publication Date
ES416085A1 true ES416085A1 (es) 1976-02-16

Family

ID=23003954

Family Applications (1)

Application Number Title Priority Date Filing Date
ES416085A Expired ES416085A1 (es) 1972-06-19 1973-06-19 Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi.

Country Status (5)

Country Link
US (1) US3817825A (es)
CA (1) CA988660A (es)
ES (1) ES416085A1 (es)
FI (1) FI60735C (es)
SE (1) SE403151B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239906A (en) * 1979-06-07 1980-12-16 Standard Brands Incorporated Method for obtaining a purified cellulose product from corn hulls
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
WO2018144309A1 (en) 2017-01-31 2018-08-09 Kimberly-Clark Worldwide, Inc. High bulk tissue comprising cross-linked fibers
US11970819B2 (en) 2020-01-30 2024-04-30 Kimberly-Clark Worldwide, Inc. Tissue products comprising crosslinked fibers

Also Published As

Publication number Publication date
FI60735B (fi) 1981-11-30
SE403151B (sv) 1978-07-31
US3817825A (en) 1974-06-18
CA988660A (en) 1976-05-11
FI60735C (fi) 1982-03-10

Similar Documents

Publication Publication Date Title
ZA715394B (en) A process for bleaching cellulose pulp
ES416085A1 (es) Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi.
CA920753A (en) Delignification and bleaching of chemical and semi-chemical cellulosic pulp
ES420507A1 (es) Procedimiento para estabilizar un material de fibra con hi-dratos de carbono en un tratamiento oxidante alcalino.
CA943707A (en) Delignification of chemical cellulosic pulp
ES421470A1 (es) Un procedimiento para convertir en pasta de papel material celulosico fibroso.
GB1229269A (es)
FR2158873A5 (en) Bleaching of wood cellulose - using nitrogen oxides
ES311273A1 (es) Un procedimiento para producir pasta blanqueada de material celulosico.
SE7407273L (es)
FI51114C (fi) Selluloosamassan valmistus useampivaiheisella ammoniakki-polysulfidime netelmällä.
ES322174A1 (es) Un procedimiento para la produccion de pasta de madera blanqueada
ES438434A1 (es) Procedimiento para reforzar material lignocelulosico fibro- so.
CA989560A (en) Coking of spent pulping liquors used in the alkaline sulfite process
GB1110053A (en) Improvements in or relating to methods of preparing cellulose pulp, notably paper pulp, and products thus obtained and materials deriving therefrom
CA859679A (en) Process for the production of washing agents, bleaching agents and cleansing agents
ES399036A1 (es) Un procedimiento para el blanqueo de una pasta celulosica.
ES415898A1 (es) Procedimiento de fabricacion de pastas de papel a partir deplantas de ciclo anual.
ES334922A1 (es) Procedimiento para blanquear pulpa celulosica.
ES443326A3 (es) Procedimiento de varias etapas para el blanqueo total, con poco consumo de cloro, de celulosa.
CA901220A (en) Process for bleaching and delignifying chemically digested cellulose pulps
GB625961A (en) Method of purifying cellulose
GB434540A (en) Improvements in the manufacture of alkali cellulose
CA810646A (en) Process and apparatus for the preparation of chemicals for kraft pulping and bleaching
CA810588A (en) Process for recovering chemicals from spent cellulose liquors