ES288376A1 - Procedimiento para la purificación de las celulosas por álcali cáustico en frío - Google Patents

Procedimiento para la purificación de las celulosas por álcali cáustico en frío

Info

Publication number
ES288376A1
ES288376A1 ES288376A ES288376A ES288376A1 ES 288376 A1 ES288376 A1 ES 288376A1 ES 288376 A ES288376 A ES 288376A ES 288376 A ES288376 A ES 288376A ES 288376 A1 ES288376 A1 ES 288376A1
Authority
ES
Spain
Prior art keywords
cellulose
translation
purification
machine
cold
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
ES288376A
Other languages
English (en)
Spanish (es)
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.)
Rayonier Inc
Original Assignee
Rayonier 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 Rayonier Inc filed Critical Rayonier Inc
Publication of ES288376A1 publication Critical patent/ES288376A1/es
Expired legal-status Critical Current

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
    • D21C9/083—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 with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
ES288376A 1963-02-25 1963-05-25 Procedimiento para la purificación de las celulosas por álcali cáustico en frío Expired ES288376A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US260822A US3305433A (en) 1963-02-25 1963-02-25 Cold caustic refining of cellulose

Publications (1)

Publication Number Publication Date
ES288376A1 true ES288376A1 (es) 1963-12-01

Family

ID=22990760

Family Applications (1)

Application Number Title Priority Date Filing Date
ES288376A Expired ES288376A1 (es) 1963-02-25 1963-05-25 Procedimiento para la purificación de las celulosas por álcali cáustico en frío

Country Status (9)

Country Link
US (1) US3305433A (pt)
AT (1) AT253916B (pt)
BE (1) BE633461A (pt)
CH (1) CH423743A (pt)
DE (1) DE1243506B (pt)
ES (1) ES288376A1 (pt)
FI (1) FI42033B (pt)
GB (1) GB971979A (pt)
NL (1) NL293231A (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1792227B1 (de) * 1968-02-02 1971-10-28 Eastman Kodak Co Verfahren zum UEberfuehren von ungebleichtem Sulfitzellstoff in einen veresterungsreinen Zellstoff
USRE32408E (en) * 1982-09-29 1987-04-28 Masonite Corporation Lignosulfonate-phenol-formaldehyde resin binder
US6716310B2 (en) 2001-12-31 2004-04-06 Kimberly-Clark Worldwide, Inc. Process for manufacturing a cellulosic paper product exhibiting reduced malodor
US7854847B2 (en) * 2006-11-09 2010-12-21 Rayonier Trs Holdings Inc. Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical
EA024458B1 (ru) * 2014-05-19 2016-09-30 Сумгаитский Государственный Университет Способ активации целлюлозы

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE379997A (pt) * 1930-07-26
US1935580A (en) * 1930-09-06 1933-11-14 Brown Co Processing of cellulose fiber
US3068141A (en) * 1959-09-10 1962-12-11 Eastman Kodak Co Method of refining kraft wood pulp

Also Published As

Publication number Publication date
US3305433A (en) 1967-02-21
GB971979A (en) 1964-10-07
DE1243506B (de) 1967-06-29
FI42033B (pt) 1969-12-31
AT253916B (de) 1967-04-25
CH423743A (fr) 1966-11-15
BE633461A (pt)
NL293231A (pt)

Similar Documents

Publication Publication Date Title
ES288376A1 (es) Procedimiento para la purificación de las celulosas por álcali cáustico en frío
ES390921A1 (es) Procedimiento para la regeneracion de oxido de aluminio.
ES278285A1 (es) Procedimiento para la preparación de ésteres de ácido metabórico
ES288700A1 (es) Procedimiento para mejorar la estabilidad de poliamidas contra el calor
ES312859A2 (es) Un procedimiento para preparar soluciones acuosas y estables de formaldehido.
FR1272732A (fr) Procédé de préparation de borohydrures de sodium
FR1247029A (fr) Procédé de préparation d'hydrure de sodium
ES236188A3 (es) Mejoras en la preparaciën de eteres celulësicos
ES308613A1 (es) Procedimiento de eliminacion de aniones en soluciones.
ES288592A3 (es) Mejoras introducidas en la preparación de medios para reblandecer los callos
ES316864A1 (es) Procedimiento para la obtencion de texturas; tenidas al hilar, de celulosa regenerada
FR1379600A (fr) Procédé de préparation de métaborate de sodium
ES326449A1 (es) Procedimiento para la preparacion de un agente anticoagulante.
ES268737A1 (es) Un procedimiento de preparar goma modificada de poligalactomannano
FR1319196A (fr) Procédé de préparation de borohydrures alcalins, notamment de borohydrure de sodium
ES242132A1 (es) PROCEDIMIENTO DE OBTENCIoN DE UN AGENTE BLANQUEADOR
ES42543U (es) Dispositivo para la aplicación de soluciones intravenosas, directamente desde el frasco que contiene la solución al paciente
ES267693A1 (es) Un procedimiento de preparaciën de la 2-hidroxi-3-metil-1-carbamida
ES380269A1 (es) Un procedimiento para la preparacion de una oxazolidindio- na.
ES380386A1 (es) Procedimiento para la preparacion de 5 - nitro-2-furfurili-den-amino - oxazolidinonas.
ES294664A1 (es) Procedimiento para preparar un compuesto parasiticida
ES227698A1 (es) Procedimiento para la obtención de etilenglicol.
ES250644A1 (es) Procedimiento para preparara compuestos de pregnadieno
ES250384A1 (es) UN PROCEDIMIENTO DE PRODUCIR FENILENDIAMINAS N,N'-SUSTITUiDAS
CA593726A (en) Process of preparing pure sodium hypophosphite