PT83838B - Processo para diminuir a viscosidade do licor negro - Google Patents

Processo para diminuir a viscosidade do licor negro

Info

Publication number
PT83838B
PT83838B PT83838A PT8383886A PT83838B PT 83838 B PT83838 B PT 83838B PT 83838 A PT83838 A PT 83838A PT 8383886 A PT8383886 A PT 8383886A PT 83838 B PT83838 B PT 83838B
Authority
PT
Portugal
Prior art keywords
decreasing
viscosity
black liquor
liquor
black
Prior art date
Application number
PT83838A
Other languages
English (en)
Other versions
PT83838A (en
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of PT83838A publication Critical patent/PT83838A/pt
Publication of PT83838B publication Critical patent/PT83838B/pt

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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/08—Multieffect or multistage
PT83838A 1985-11-29 1986-11-28 Processo para diminuir a viscosidade do licor negro PT83838B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI854732A FI75615C (fi) 1985-11-29 1985-11-29 Foerfarande foer saenkning av svartlutens viskositet.

Publications (2)

Publication Number Publication Date
PT83838A PT83838A (en) 1986-12-01
PT83838B true PT83838B (pt) 1988-10-14

Family

ID=8521769

Family Applications (1)

Application Number Title Priority Date Filing Date
PT83838A PT83838B (pt) 1985-11-29 1986-11-28 Processo para diminuir a viscosidade do licor negro

Country Status (12)

Country Link
US (1) US4929307A (pt)
JP (1) JPS63502674A (pt)
BR (1) BR8607216A (pt)
CA (1) CA1288203C (pt)
CS (1) CS273179B2 (pt)
FI (1) FI75615C (pt)
FR (1) FR2593528B1 (pt)
PL (1) PL155015B1 (pt)
PT (1) PT83838B (pt)
SE (1) SE466756B (pt)
SU (1) SU1720498A3 (pt)
WO (1) WO1987003315A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85515C (fi) * 1990-07-09 1996-04-10 Ahlstroem Oy Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet
FI87092C (fi) * 1990-11-07 1992-11-25 Ahlstroem Oy Foerfarande foer behandling av svartlut
WO1992013994A1 (en) * 1991-02-06 1992-08-20 A. Ahlstrom Corporation A method of recovering energy and chemicals from black liquor
US5326433A (en) * 1991-02-06 1994-07-05 Ahlstrom Recovery Inc. Multi-level sulfide content white liquor production and utilization in cellulose pulping
FI92226B (fi) * 1991-04-15 1994-06-30 Ahlstroem Oy Menetelmä jäteliemen väkevöimiseksi ja keittokemikaalien talteenottamiseksi massanvalmistuksessa alkoholipohjaisilla keittoliuoksilla
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
FI92725C (fi) * 1991-09-09 1994-12-27 Ahlstroem Oy Menetelmä keittolipeän valmistamiseksi
US5234546A (en) * 1991-09-10 1993-08-10 Kamyr, Inc. Polysulfide production in white liquor
FI95822C (fi) * 1991-09-27 1996-03-25 Ahlstroem Oy Soodakattilan tai vastaavan kattilan sulan käsittely
US5360513A (en) * 1992-02-13 1994-11-01 A. Ahlstrom Corporation Sulphur removal from gases associated with boilers having cascade evaporators
US5662774A (en) * 1992-04-01 1997-09-02 Tampella Power Oy Adjusting the sulphur balance of a sulphate cellulose plant by heat treating black liquor in a last evaporation stage
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5472568A (en) * 1993-09-07 1995-12-05 Air Products And Chemicals, Inc. Method for controlling the viscosity of Kraft black liquor
GB9503562D0 (en) * 1995-02-23 1995-04-12 Thor Technology Corp Black liquor viscosity control
SE520956C2 (sv) * 2001-12-05 2003-09-16 Kvaerner Pulping Tech Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren
CN101580285A (zh) * 2009-04-01 2009-11-18 兰州节能环保工程有限责任公司 非木质原料造纸黑液热裂解装置
US9567360B2 (en) * 2010-07-07 2017-02-14 Stora Enso Oyj Process for production of precipitated lignin from black liquor and precipitated lignin produced by the process
WO2019004076A1 (ja) * 2017-06-30 2019-01-03 株式会社片山化学工業研究所 減粘剤組成物、及び黒液濃縮方法
JP7317509B2 (ja) * 2019-01-10 2023-07-31 日本製紙株式会社 リグニンの製造方法、及びリグニン系分散剤

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719130A (en) * 1925-12-16 1929-07-02 Brown Co Process for recovering heat and chemicals
DE897513C (de) * 1942-01-16 1953-11-23 Hilding Olof Vidar Bergstroem Verfahren zum Eindampfen von Zellstoffablaugen
US2754897A (en) * 1951-01-22 1956-07-17 Ramen Torsten Processes for concentrating liquids containing incrustation-forming substances
US2891843A (en) * 1953-02-09 1959-06-23 Minnesota & Ontario Paper Co Chemical recovery process and apparatus
FR1112129A (fr) * 1953-11-19 1956-03-08 Inventa Ag Procédé pour la préparation de la lignine à partir des liqueurs noires
US3026240A (en) * 1959-05-04 1962-03-20 Babcock & Wilcox Co Chemical recovery system
US3092535A (en) * 1960-04-27 1963-06-04 Smith Paper Mills Ltd Howard Sulphite pulping process
NL273213A (pt) * 1961-01-05
US3451765A (en) * 1964-03-25 1969-06-24 Frederick A Schleindl Method of treating spent pulp liquor by adding gas-evolving metals thereto
CH552716A (fr) * 1972-03-06 1974-08-15 Promotion Et D Exploit Ind De Procede d'obtention de la cellulose a partir de matieres premieres ligno-cellulosiques.
SE377348B (pt) * 1972-07-14 1975-06-30 Mo Och Domsjoe Ab
DE2506970C3 (de) * 1975-02-19 1981-04-16 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Überführung hochviskoser Zellstoffablaugen in einen pumpfähigen Zustand
CA1097465A (en) * 1976-11-30 1981-03-17 James R. Prough Black liquor energy recovery
FI60041C (fi) * 1980-05-21 1981-11-10 Ahlstroem Oy Foerfarande foer tillverkning av alkalisk sulfitmassa
FI64409C (fi) * 1981-06-01 1983-11-10 Tampella Oy Ab Saett att styra foerbraenningen av en till sin kemiska komposition varierande braennlut i sodapannan
SE452482B (sv) * 1982-04-28 1987-11-30 Sunds Defibrator Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad
SE8204266L (sv) * 1982-07-12 1984-01-13 Korsnaes Marma Ab Forfarande for teckande av kemikalieforlusterna vid massaframstellning
US4470876A (en) * 1982-07-22 1984-09-11 Beaupre Marc F Kraft overload recovery process
FI66035B (fi) * 1982-09-14 1984-04-30 Rauma Repola Oy Foerfarande foer foerbaettring av avdunstbarhet av avfallsvaetska uppstaodd under cellulosaframstaellningsprocess
FI65375C (fi) * 1982-09-20 1984-05-10 Ekono Oy Saett vid aoterkompressionsindunstning av en loesning
SE8400904L (sv) * 1984-02-20 1985-08-21 Goetaverken Energy Syst Ab Forfarande och anordning for senkning av viskositeten hos svartlut
JPS6183391A (ja) * 1984-09-26 1986-04-26 製紙技術研究組合 黒液濃縮方法
SE8502807D0 (sv) * 1985-06-06 1985-06-06 Ahlstroem Foeretagen Sett och apparatur for att deaktivera avlutar

Also Published As

Publication number Publication date
CS868786A2 (en) 1990-06-13
SE466756B (sv) 1992-03-30
FI854732A0 (fi) 1985-11-29
PT83838A (en) 1986-12-01
FR2593528A1 (fr) 1987-07-31
CA1288203C (en) 1991-09-03
BR8607216A (pt) 1988-11-01
SE8801948D0 (sv) 1988-05-25
PL262650A1 (en) 1987-11-02
FR2593528B1 (fr) 1990-03-30
JPH0248677B2 (pt) 1990-10-25
PL155015B1 (en) 1991-10-31
FI75615C (fi) 1991-08-26
FI75615B (fi) 1988-03-31
SU1720498A3 (ru) 1992-03-15
WO1987003315A1 (en) 1987-06-04
US4929307A (en) 1990-05-29
FI854732A (fi) 1987-05-30
SE8801948L (sv) 1988-05-25
JPS63502674A (ja) 1988-10-06
CS273179B2 (en) 1991-03-12

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Legal Events

Date Code Title Description
PC3A Transfer or assignment

Free format text: 20000615 AHLSTROM MACHINERY OY FI

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20010930