[go: up one dir, main page]

NO885491D0 - Fremgangsmaate for reduksjon av avleiringer i anlegg for inndampning av sulfittavlut. - Google Patents

Fremgangsmaate for reduksjon av avleiringer i anlegg for inndampning av sulfittavlut.

Info

Publication number
NO885491D0
NO885491D0 NO885491A NO885491A NO885491D0 NO 885491 D0 NO885491 D0 NO 885491D0 NO 885491 A NO885491 A NO 885491A NO 885491 A NO885491 A NO 885491A NO 885491 D0 NO885491 D0 NO 885491D0
Authority
NO
Norway
Prior art keywords
evaporation
places
procedure
sulphite waste
reducing deposits
Prior art date
Application number
NO885491A
Other languages
English (en)
Other versions
NO885491L (no
Inventor
Manfred Henn
Klaus Begerow
Volker Wichert
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of NO885491D0 publication Critical patent/NO885491D0/no
Publication of NO885491L publication Critical patent/NO885491L/no

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
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/02Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
    • 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
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/10Concentrating spent liquor by evaporation
    • D21C11/106Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00Concentrating evaporators
    • Y10S159/13Scale
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/928Paper mill waste, e.g. white water, black liquor treated
NO88885491A 1988-03-23 1988-12-09 Fremgangsmaate for reduksjon av avleiringer i anlegg for inndampning av sulfittavlut. NO885491L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3809663A DE3809663A1 (de) 1988-03-23 1988-03-23 Verfahren zur verminderung von ablagerungen in anlagen zur eindampfung von sulfitablaugen

Publications (2)

Publication Number Publication Date
NO885491D0 true NO885491D0 (no) 1988-12-09
NO885491L NO885491L (no) 1989-09-25

Family

ID=6350404

Family Applications (1)

Application Number Title Priority Date Filing Date
NO88885491A NO885491L (no) 1988-03-23 1988-12-09 Fremgangsmaate for reduksjon av avleiringer i anlegg for inndampning av sulfittavlut.

Country Status (7)

Country Link
US (1) US4941946A (no)
EP (1) EP0334398A3 (no)
CA (1) CA1307878C (no)
DE (1) DE3809663A1 (no)
FI (1) FI890233L (no)
IN (1) IN169988B (no)
NO (1) NO885491L (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5320757A (en) * 1993-04-05 1994-06-14 Betz Laboratories, Inc. Method of inhibiting calcium oxalate scale deposition
DE19529052C1 (de) * 1995-07-31 1996-10-02 Grace W R & Co Verfahren und Mittel zur Inhibierung von Ablagerungen in Eindampfern zur Konzentrierung von Schwarzlauge
RU2141017C1 (ru) * 1999-03-29 1999-11-10 Оао "Цнииб" СПОСОБ НЕЙТРАЛИЗАЦИИ ОТРАБОТАННОГО ЩЕЛОКА НА Mg ОСНОВАНИИ ПЕРЕД УПАРИВАНИЕМ ПРИ ПРОИЗВОДСТВЕ ЦЕЛЛЮЛОЗЫ
RU2149231C1 (ru) * 1999-08-10 2000-05-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" Способ получения бисульфитного варочного раствора на магниевом основании для производства целлюлозы
US6310031B1 (en) 1999-11-30 2001-10-30 Amway Corporation Method of inhibiting soil redeposition
DE19959826A1 (de) * 1999-12-10 2001-06-28 Stockhausen Chem Fab Gmbh Verfahren zur Verminderung und/oder Vermeidung von Ablagerungen von Holzinhaltsstoffen
RU2244774C1 (ru) * 2004-02-06 2005-01-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Способ получения бисульфитного варочного раствора на магниевом основании для производства целлюлозы
RU2303093C1 (ru) * 2005-12-06 2007-07-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Способ получения бисульфитного варочного раствора на магниевом основании для варки целлюлозы с использованием регенерированных химикатов
RU2306373C1 (ru) * 2005-12-22 2007-09-20 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Способ получения бисульфитного варочного раствора на магниевом основании для производства целлюлозы
SE529386C2 (sv) * 2006-11-07 2007-07-24 Metso Power Ab Sätt och anläggning för indunstning av svartlut som erhålles från en kokprocess vid tillverkning av cellulosamassa
US7985318B2 (en) * 2007-05-10 2011-07-26 Nalco Company Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators
RU2385371C1 (ru) * 2008-11-18 2010-03-27 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Способ получения бисульфитного варочного раствора на магниевом основании для производства целлюлозы
EP3091123A1 (de) 2015-05-08 2016-11-09 Siemens Aktiengesellschaft Verfahren und vorrichtung zur erhöhung eines feststoffgehalts bei einem grundstoff, steuereinrichtung, anlage zur bearbeitung eines grundstoffs und papierfabrik
CN108404438B (zh) * 2018-02-06 2021-03-16 刘小亮 一种改进型自然外循环三效真空连续蒸发罐

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1218952A (en) * 1967-04-21 1971-01-13 Grace W R & Co Treatment of saline water to inhibit scale formation
US3516910A (en) * 1967-05-12 1970-06-23 Grace W R & Co Removing and inhibiting scale in black liquor evaporators
US4288327A (en) * 1975-09-08 1981-09-08 Betz Laboratories, Inc. Copolymers for the control of the formation and deposition of materials in aqueous mediums
JPS5355490A (en) * 1976-10-29 1978-05-19 Kurita Water Ind Ltd Scale inhibitor for sulfite pulp red liquor evaporator
US4262092A (en) * 1979-05-08 1981-04-14 Ethyl Corporation Process for producing N-acyl-D-phenylalanine ester
US4263092A (en) * 1979-08-16 1981-04-21 Betz Laboratories, Inc. Method for treating black liquor using acrylic acid polymer
US4255309A (en) * 1979-08-16 1981-03-10 Betz Laboratories, Inc. Polyacrylic acids and methyl vinyl ether/maleic anhydride copolymers as soft scale inhibitors
US4282178A (en) * 1979-11-15 1981-08-04 Vulcan Materials Company Use of hydrazine compounds as corrosion inhibitors in caustic solutions
GB2181735A (en) * 1985-10-16 1987-04-29 Kao Corp Maleic acid polymer for use as scale inhibitor

Also Published As

Publication number Publication date
FI890233A7 (fi) 1989-09-24
EP0334398A3 (de) 1991-08-28
IN169988B (no) 1992-01-25
DE3809663A1 (de) 1989-10-12
EP0334398A2 (de) 1989-09-27
FI890233A0 (fi) 1989-01-17
FI890233L (fi) 1989-09-24
US4941946A (en) 1990-07-17
NO885491L (no) 1989-09-25
CA1307878C (en) 1992-09-29

Similar Documents

Publication Publication Date Title
DE68928406D1 (de) Unscharfer Rechner
NO885491D0 (no) Fremgangsmaate for reduksjon av avleiringer i anlegg for inndampning av sulfittavlut.
DK450789A (da) Spildvarme-dampgenerator
DE69306405D1 (de) Bearbeitung von abfällen
FI904740A7 (fi) Polttouuni
DK422389D0 (da) Spildvarme-dampgenerator
NO891008D0 (no) System for sugetoemning av brukt vann.
DE68923219D1 (de) Behandlung von Abfällen.
NO892853D0 (no) Behandling av celluloseholdige platemateriale.
DE69022813D1 (de) Abfallbehandlung.
DE58902491D1 (de) Neue difluormethyl-thiadiazolyl-oxyessigsaeureamiden.
DE58905848D1 (de) Aufbereiten von radioaktivem abwasser.
FI952042L (fi) Selluloosajätelienten kaasuunnukseen liittyvä prosessi
DE58906706D1 (de) Deinken von Altpapieren.
FI921815A7 (fi) Menetelmä jätepaperin käsittelemiseksi hydroksisulfonaattisuolojen läs näollessa
DE58902837D1 (de) Anlage zum verschwelen von abfallstoffen.
ATA113188A (de) Müllverbrennungsanlage
NO891715D0 (no) Ekspresjon av interferon-8 i metylotrofe gjaersorter.
DE59304192D1 (de) Altpapier-Digester
DE58900133D1 (de) Muellbehaelter.
FI904268A0 (fi) Anordning foer arbeten i t.ex. roerledningar.
FI885313L (fi) Foerfarande i pappersmaskin.
FI300U1 (fi) Placeringsanordning foer korg i en korglaeggningsanordning
FI912249A7 (fi) Jätepapereiden siistaus
IT1225039B (it) Impianto igienico-sanitario