ATE155541T1 - Herstellung von weisslange und aufschlussverfahren - Google Patents

Herstellung von weisslange und aufschlussverfahren

Info

Publication number
ATE155541T1
ATE155541T1 AT92910238T AT92910238T ATE155541T1 AT E155541 T1 ATE155541 T1 AT E155541T1 AT 92910238 T AT92910238 T AT 92910238T AT 92910238 T AT92910238 T AT 92910238T AT E155541 T1 ATE155541 T1 AT E155541T1
Authority
AT
Austria
Prior art keywords
production
division process
sulphide
white length
white
Prior art date
Application number
AT92910238T
Other languages
English (en)
Inventor
Patrik P H Lownertz
Original Assignee
H A Simons 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 H A Simons Ltd filed Critical H A Simons Ltd
Application granted granted Critical
Publication of ATE155541T1 publication Critical patent/ATE155541T1/de

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)
AT92910238T 1991-05-13 1992-05-12 Herstellung von weisslange und aufschlussverfahren ATE155541T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE155541T1 true ATE155541T1 (de) 1997-08-15

Family

ID=24810449

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92910238T ATE155541T1 (de) 1991-05-13 1992-05-12 Herstellung von weisslange und aufschlussverfahren

Country Status (7)

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

Families Citing this family (7)

* 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
CN119042605A (zh) * 2024-11-01 2024-11-29 中国科学院大连化学物理研究所 一种基于水热氧化蒸汽锅炉的生物质分级利用系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI44743C (fi) * 1962-09-15 1971-12-10 Dominon Tar & Chemical Syklinen menetelmä selluloosan valmistamiseksi
CA923256A (en) * 1969-12-30 1973-03-27 Erco Envirotech Ltd. 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
ES2104916T3 (es) 1997-10-16
US5507912A (en) 1996-04-16
EP0584161A1 (de) 1994-03-02
CA2103066A1 (en) 1992-11-14
CA2103066C (en) 2001-04-24
AU1691992A (en) 1992-12-30
EP0584161B1 (de) 1997-07-16
WO1992020856A1 (en) 1992-11-26

Similar Documents

Publication Publication Date Title
SE7902901L (sv) Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon
SE8504236D0 (sv) Forbettrad oxidativ extraktion
FI855038A0 (fi) Flerstegsfoerfarande foer blekning av hoegutbytes- och ultrahoegutbytesmassor.
ATE155541T1 (de) Herstellung von weisslange und aufschlussverfahren
BR9307572A (pt) Processo para a produção de polpa
NO912641L (no) Kontinuerlig, totrinns blekeprosess for papirmasse.
DE69630803D1 (de) Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen
RU98109942A (ru) Двухстадийная делигнификация лигноцеллюлозной массы кислородом
SE8403372L (sv) Sett att delignifiera kemisk massa
FI921254A0 (fi) Tillverkning av massa.
YU23892A (sh) Postupak za beljenje hemijske kaše hartije i primena ovog postupka za beljenje kraft kaše
SE8604852D0 (sv) Delignification and bleaching of a cellulose pulp with an alkali-oxygen-hypochlorite extraction
NO982228L (no) N°ytral monoperoksysulfatbleking
SE9403786L (sv) Selektiv utvinning av kemikalier ur celluloaavlutar genom förgasning
ATE410542T1 (de) Zweistufiges chlorbleichverfahren mit filtratrückführung
ATE103649T1 (de) Verfahren zur chlorfreien bleiche und delignifizierung von zellstoff.
SE501253E8 (sv) Klorfri blekning av kemisk pappersmassa
FR2398839A1 (fr) Procede de fabrication de pates papetieres chimiques
NO951190L (no) Forbedret bleking av höykonsistens-lignocellulosemasse
ATE284994T1 (de) Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben
SE8107858L (sv) Forfarande vid delignifierande blekning av cellulosamassa
SE9700884D0 (sv) Förfarande för blekning av massa
FI864411A0 (fi) Foerfarande foer blekning av kemiska pappersmassor.
SE9301921D0 (sv) Vitluftsframstaellning
SE9203121L (sv) Blekning av sulfatmassa med peroxid-ozon-peroxid

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee