SE467465C - Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper - Google Patents

Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper

Info

Publication number: SE467465C
Authority: SE; Sweden
Prior art keywords: green liquor; lime; line; soda; pct
Prior art date: 1990-11-21

Application number

SE9003697A

Other languages

English (en)

Swedish (sv)

Other versions

SE9003697L (sv

SE467465B (sv

SE9003697D0 (sv

Inventor

Kent Strid

Rolf Oswaldson

Original Assignee

Caustec Ab

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.)

1990-11-21

Filing date

1990-11-21

Publication date

2002-01-15

1990-11-21 Application filed by Caustec Ab filed Critical Caustec Ab

1990-11-21 Priority to SE9003697A priority Critical patent/SE467465C/sv

1990-11-21 Publication of SE9003697D0 publication Critical patent/SE9003697D0/xx

1991-11-20 Priority to AT91920475T priority patent/ATE141973T1/de

1991-11-20 Priority to US08/064,154 priority patent/US5509998A/en

1991-11-20 Priority to DE91920475T priority patent/DE561823T1/de

1991-11-20 Priority to JP4500580A priority patent/JP2815702B2/ja

1991-11-20 Priority to CA002095015A priority patent/CA2095015C/en

1991-11-20 Priority to AU89273/91A priority patent/AU653185B2/en

1991-11-20 Priority to PCT/SE1991/000786 priority patent/WO1992009742A1/en

1991-11-20 Priority to ES91920475T priority patent/ES2043595T3/es

1991-11-20 Priority to DE69121727T priority patent/DE69121727T2/de

1991-11-20 Priority to EP91920475A priority patent/EP0561823B1/de

1992-05-22 Publication of SE9003697L publication Critical patent/SE9003697L/xx

1992-07-20 Publication of SE467465B publication Critical patent/SE467465B/sv

1993-05-14 Priority to FI932193A priority patent/FI105702B/fi

1993-05-18 Priority to NO93931785A priority patent/NO931785L/no

2002-01-15 Publication of SE467465C publication Critical patent/SE467465C/sv

Links

238000001914 filtration Methods 0.000 title claims abstract 3
238000004062 sedimentation Methods 0.000 title claims abstract 3
238000000034 method Methods 0.000 title claims description 10
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 31
235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 28
235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 28
239000004571 lime Substances 0.000 claims abstract description 28
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 11
239000000920 calcium hydroxide Substances 0.000 claims abstract description 11
235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 11
229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 11
238000009993 causticizing Methods 0.000 claims abstract description 9
238000011084 recovery Methods 0.000 claims abstract description 5
239000000126 substance Substances 0.000 claims abstract description 5
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 4
229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 4
235000017550 sodium carbonate Nutrition 0.000 claims description 9
229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
239000002904 solvent Substances 0.000 claims description 5
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
239000000292 calcium oxide Substances 0.000 description 5
235000012255 calcium oxide Nutrition 0.000 description 5
239000008267 milk Substances 0.000 description 4
235000013336 milk Nutrition 0.000 description 4
210000004080 milk Anatomy 0.000 description 4
238000005406 washing Methods 0.000 description 3
239000000463 material Substances 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
101100002917 Caenorhabditis elegans ash-2 gene Proteins 0.000 description 1
241000237502 Ostreidae Species 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000002386 leaching Methods 0.000 description 1
235000020636 oyster Nutrition 0.000 description 1
239000013049 sediment Substances 0.000 description 1
239000010802 sludge Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

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
- 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
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor

Landscapes

Paper (AREA)
Fertilizers (AREA)

SE9003697A 1990-11-21 1990-11-21 Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper SE467465C (sv)

Priority Applications (13)

Application Number	Priority Date	Filing Date	Title
SE9003697A SE467465C (sv)	1990-11-21	1990-11-21	Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper
EP91920475A EP0561823B1 (de)	1990-11-21	1991-11-20	Verfahren und vorrichtung in einer anlage zur rückgewinnung von chemikalien in einer sulfatzellstoff-anlage
AU89273/91A AU653185B2 (en)	1990-11-21	1991-11-20	Process and device in a chemicals recovery plant in a sulphate pulp mill
ES91920475T ES2043595T3 (es)	1990-11-21	1991-11-20	Proceso y dispositivo en una planta de recuperacion de productos quimicos de una fabrica de pasta de papel al sulfato.
DE91920475T DE561823T1 (de)	1990-11-21	1991-11-20	Verfahren und vorrichtung in einer anlage zur rückgewinnung von chemikalien in einer sulfatzellstoff-anlage.
JP4500580A JP2815702B2 (ja)	1990-11-21	1991-11-20	硫酸塩パルプ工場の薬剤回収プラントにおける方法及び装置
CA002095015A CA2095015C (en)	1990-11-21	1991-11-20	Process and device in a chemicals recovery plant in a sulphate pulp mill
AT91920475T ATE141973T1 (de)	1990-11-21	1991-11-20	Verfahren und vorrichtung in einer anlage zur rückgewinnung von chemikalien in einer sulfatzellstoff-anlage
PCT/SE1991/000786 WO1992009742A1 (en)	1990-11-21	1991-11-20	Process and device in a chemicals recovery plant in a sulphate pulp mill
US08/064,154 US5509998A (en)	1990-11-21	1991-11-20	Method and apparatus for clarifying green liquor
DE69121727T DE69121727T2 (de)	1990-11-21	1991-11-20	Verfahren und vorrichtung in einer anlage zur rückgewinnung von chemikalien in einer sulfatzellstoff-anlage
FI932193A FI105702B (fi)	1990-11-21	1993-05-14	Menetelmä ja laite kemikaalien talteenottolaitoksessa sulfaattisellulo osatehtaassa
NO93931785A NO931785L (no)	1990-11-21	1993-05-18	Fremgangsmaate og anordning ved kjemikaliegjenvinningsanlegg i en sulfatmassemoelle

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9003697A SE467465C (sv)	1990-11-21	1990-11-21	Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper

Publications (4)

Publication Number	Publication Date
SE9003697D0 SE9003697D0 (sv)	1990-11-21
SE9003697L SE9003697L (sv)	1992-05-22
SE467465B SE467465B (sv)	1992-07-20
SE467465C true SE467465C (sv)	2002-01-15

Family

ID=20380959

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9003697A SE467465C (sv)	1990-11-21	1990-11-21	Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper

Country Status (11)

Country	Link
US (1)	US5509998A (de)
EP (1)	EP0561823B1 (de)
JP (1)	JP2815702B2 (de)
AT (1)	ATE141973T1 (de)
AU (1)	AU653185B2 (de)
CA (1)	CA2095015C (de)
DE (2)	DE561823T1 (de)
ES (1)	ES2043595T3 (de)
FI (1)	FI105702B (de)
SE (1)	SE467465C (de)
WO (1)	WO1992009742A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5213663A (en) *	1991-07-22	1993-05-25	The Foxboro Company	Method for controlling the sodium carbonate concentration of green liquor in the dissolving tank
SE500660C2 (sv) *	1992-12-03	1994-08-01	Mo Och Domsjoe Ab	Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker
CN116282973B (zh) *	2023-02-08	2025-09-26	中国中轻国际工程有限公司	一种石灰消化器臭气处理系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE95670C1 (de) *
SE456254B (sv) *	1987-02-12	1988-09-19	Korsnes Ab	Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning

1990
- 1990-11-21 SE SE9003697A patent/SE467465C/sv not_active IP Right Cessation
1991
- 1991-11-20 DE DE91920475T patent/DE561823T1/de active Pending
- 1991-11-20 AT AT91920475T patent/ATE141973T1/de not_active IP Right Cessation
- 1991-11-20 WO PCT/SE1991/000786 patent/WO1992009742A1/en not_active Ceased
- 1991-11-20 JP JP4500580A patent/JP2815702B2/ja not_active Expired - Lifetime
- 1991-11-20 ES ES91920475T patent/ES2043595T3/es not_active Expired - Lifetime
- 1991-11-20 AU AU89273/91A patent/AU653185B2/en not_active Expired
- 1991-11-20 US US08/064,154 patent/US5509998A/en not_active Expired - Lifetime
- 1991-11-20 DE DE69121727T patent/DE69121727T2/de not_active Expired - Lifetime
- 1991-11-20 CA CA002095015A patent/CA2095015C/en not_active Expired - Lifetime
- 1991-11-20 EP EP91920475A patent/EP0561823B1/de not_active Expired - Lifetime
1993
- 1993-05-14 FI FI932193A patent/FI105702B/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
ATE141973T1 (de)	1996-09-15
FI105702B (fi)	2000-09-29
JP2815702B2 (ja)	1998-10-27
CA2095015A1 (en)	1992-05-22
WO1992009742A1 (en)	1992-06-11
ES2043595T3 (es)	1996-10-16
DE561823T1 (de)	1994-02-24
EP0561823B1 (de)	1996-08-28
FI932193L (fi)	1993-05-14
SE9003697L (sv)	1992-05-22
EP0561823A1 (de)	1993-09-29
CA2095015C (en)	2002-01-01
ES2043595T1 (es)	1994-01-01
FI932193A0 (fi)	1993-05-14
DE69121727D1 (de)	1996-10-02
SE467465B (sv)	1992-07-20
AU8927391A (en)	1992-06-25
DE69121727T2 (de)	1997-01-23
SE9003697D0 (sv)	1990-11-21
AU653185B2 (en)	1994-09-22
US5509998A (en)	1996-04-23
JPH06503129A (ja)	1994-04-07

Legal Events

Date	Code	Title	Description
2011-02-15	NUG	Patent has lapsed

Publication	Publication Date	Title
SE429128B (sv)	1983-08-15	Forfarande for separering av fororeningar i vattensuspensioner eller -emulsioner
SE435137B (sv)	1984-09-10	Tryckfilter
CH638404A5 (fr)	1983-09-30	Procede d'extraction du gaz sulfureux contenu dans un courant gazeux.
NO148839B (no)	1983-09-19	Trykkfilter.
SE462805B (sv)	1990-09-03	Foerfarande och anordning foer foertraengningsblekning av fibermassa
SE0100411L (sv)	2001-12-10	Rörsystem för mottagning och transport av mesa från ett vitlutsfilter
SE467465C (sv)	2002-01-15	Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper
NO159787B (no)	1988-10-31	Fremgangsmaate for behandling av vannholdig oljeslam i en dobbelt silbaandpresse.
US4388197A (en)	1983-06-14	Procedure for separating finely divided matter from a suspension by filtering
FI94445B (fi)	1995-05-31	Menetelmä ja laite mustalipeän käsittelemiseksi
CN207237432U (zh)	2018-04-17	一种植物油过滤器的自清洗系统
SE0802174A1 (sv)	2010-04-14	Förfarande för att förhindra igensättning i en silkonstruktion för en kontinuerlig kokare
CN213887462U (zh)	2021-08-06	一种易结晶废水管道清洗装置
US2280466A (en)	1942-04-21	Dissolving apparatus
CN108911097A (zh)	2018-11-30	一种酸性废水强制循环反应装置及方法
CN206126871U (zh)	2017-04-26	脱硫固废处理系统
DK141961B (da)	1980-07-28	Fremgangsmåde til kemisk spildevandsrensning og anlæg til udøvelse af fremgangsmåden.
JPS5879586A (ja)	1983-05-13	汚泥水の濃縮方法および装置
NO170546B (no)	1992-07-20	Fast katalysatorkomponent og anvendelse av denne i et katalysatorsystem for polymerisering av et 1-alken
US383869A (en)	1888-06-05	Apparatus for bleaching and dyeing
JPS5633011A (en)	1981-04-03	Washing mechanism of air washing jointly used type automatic filtration apparatus
GB420367A (en)	1934-11-26	An improved gravity concentration process for the wet concentration of coal and apparatus for use therein
JPH0532198Y2 (de)	1993-08-18
CN206843389U (zh)	2018-01-05	一种半水煤气制造过程中下吹带出物的分离装置
CN106315653B (zh)	2018-05-01	脱硫固废处理系统