ES2104916T3 - Preparacion de lejia blanca y procedimiento para pasta papelera. - Google Patents

Preparacion de lejia blanca y procedimiento para pasta papelera.

Info

Publication number
ES2104916T3
ES2104916T3 ES92910238T ES92910238T ES2104916T3 ES 2104916 T3 ES2104916 T3 ES 2104916T3 ES 92910238 T ES92910238 T ES 92910238T ES 92910238 T ES92910238 T ES 92910238T ES 2104916 T3 ES2104916 T3 ES 2104916T3
Authority
ES
Spain
Prior art keywords
procedure
preparation
paper paste
sulphide
white bleach
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 - Lifetime
Application number
ES92910238T
Other languages
English (en)
Inventor
Patrik P H Lownertz
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.)
Simons H A Ltd
Original Assignee
Simons H A 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 Simons H A Ltd filed Critical Simons H A Ltd
Application granted granted Critical
Publication of ES2104916T3 publication Critical patent/ES2104916T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • 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
    • D21C3/24—Continuous processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Compounds Of Unknown Constitution (AREA)

Abstract

ESTA INVENCION SE REFIERE A LA PRODUCCION DE LICOR BLANCO EN UNA CORRIENTE POBRE EN SULFURO Y UNA CORRIENTE RICA EN SULFURO PARA OBTENER EFICIENCIAS MEJORADAS EN UN PROCESO DE DIGESTION DE PULPA KRAFT COMO EL PROCESO DE COCCION CONTINUA MODIFICADA KAMYR. EN UN PROCESO DE PULPACION KRAFT QUE COMPRENDE MULTIPLES FASES DE DELIGNIFICACION DE MATERIALES LIGNOCELULOSICOS Y QUE UTILIZA LICOR BALANCO AGRIETADOCARGA LA MEJORA QUE CONSISTE EN PRODUCIR UNA CORRIENTE DE LICOR BLANCO POBRE EN SULFURO Y UNA CORRIENTE DE LICOR BLANCO RICO EN SULFURO LIXIVIANDO SOLIDOS DE UN GENERADOR DE RECUPERACION FUNFIFO (2) CON LICOR BLANCO POBRE EN SULFURO CON UN CONTENIDO DE HIDROXIDO SODICO INFERIOR A 15% EN PESO, PARA OBTENER UN LICOR BLANCO RICO EN SULFURO (20), SEPARAR LAS PARTICULAS SOLIDAS DEL LICOR BLANCO RICO EN SULFURO, DISOLVER EL CONTENIDO DE CARBONATO SODICO DE LAS PARTICULAS SOLIDAS EN AGUA O UN LAVADO DEBIL DE UNA PLANTA DE CAUSTICIZACION PARA FORMAR UNA SOLUCION DE CARBONATO SODICO (28) CAUSTICIZAR LASOLUCION DE CARBONATO SODICO A UN LICOR BLANCO POBRE EN SULFURO (14) EN UNA PLANTA DE CAUSTICIZACION, Y RECICLAR AL MENOS PARTE DEL LICOR RICO EN SULFURO A UNA FASE INICIAL DEL PROCESO DE PULPACION.
ES92910238T 1991-05-13 1992-05-12 Preparacion de lejia blanca y procedimiento para pasta papelera. Expired - Lifetime ES2104916T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69968791A 1991-05-13 1991-05-13

Publications (1)

Publication Number Publication Date
ES2104916T3 true ES2104916T3 (es) 1997-10-16

Family

ID=24810449

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92910238T Expired - Lifetime ES2104916T3 (es) 1991-05-13 1992-05-12 Preparacion de lejia blanca y procedimiento para pasta papelera.

Country Status (7)

Country Link
US (1) US5507912A (es)
EP (1) EP0584161B1 (es)
AT (1) ATE155541T1 (es)
AU (1) AU1691992A (es)
CA (1) CA2103066C (es)
ES (1) ES2104916T3 (es)
WO (1) WO1992020856A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501347C2 (sv) * 1993-06-04 1995-01-23 Korsnaes Ab Framställning av vitlut med förhöjd och/eller minskad sulfiditet
US5536384A (en) * 1995-02-14 1996-07-16 Pulp And Paper Research Institute Of Canada Separation of sulphides from pulping liquors by electrodialysis
US5942084A (en) * 1997-01-24 1999-08-24 Pulp And Paper Research Institute Of Canada Process for the separation of sulphides from pulping liquors using amphoteric resins
SE524247C2 (sv) * 2002-11-25 2004-07-13 Kvaerner Pulping Tech Metod vid produktion av grönlut
CN103696310A (zh) * 2014-01-13 2014-04-02 南京林业大学 一种改良麦草硫酸盐制浆与碱回收效率的方法
CN112709089B (zh) * 2020-12-25 2022-09-06 东莞顺裕纸业有限公司 一种改进制浆磨浆工艺的使用废纸再造瓦楞芯纸的生产方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1375278A (fr) * 1962-09-15 1964-10-16 Dominion Tar & Chemical Co Perfectionnements à la fabrication de pâtes cellulosiques
CA923256A (en) * 1969-12-30 1973-03-27 H. Rapson William Chemical recovery process
US3909344A (en) * 1973-12-03 1975-09-30 Erco Envirotech Ltd Removal of sodium chloride from pulp mill operations
US4299652A (en) * 1978-07-31 1981-11-10 Ebara Corporation Process for recovery of pulp mill chemicals
SE7809167L (sv) * 1978-08-30 1980-03-01 Rosenblads Patenter Ab Barlastreduktion
SE448007B (sv) * 1983-04-21 1987-01-12 Skf Steel Eng Ab Forfarande och anordning for atervinning av kemikalier ur massaavlut
NO152907C (no) * 1983-06-29 1985-12-11 Peterson & Son As M Fremgangsmaate til delignifisering av kjemisk masse.

Also Published As

Publication number Publication date
US5507912A (en) 1996-04-16
WO1992020856A1 (en) 1992-11-26
CA2103066A1 (en) 1992-11-14
CA2103066C (en) 2001-04-24
AU1691992A (en) 1992-12-30
EP0584161A1 (en) 1994-03-02
ATE155541T1 (de) 1997-08-15
EP0584161B1 (en) 1997-07-16

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