FI840942A - Foerfarande foer taeckande av kemikaliefoerlusterna vid massaframstaellning. - Google Patents
Foerfarande foer taeckande av kemikaliefoerlusterna vid massaframstaellning. Download PDFInfo
- Publication number
- FI840942A FI840942A FI840942A FI840942A FI840942A FI 840942 A FI840942 A FI 840942A FI 840942 A FI840942 A FI 840942A FI 840942 A FI840942 A FI 840942A FI 840942 A FI840942 A FI 840942A
- Authority
- FI
- Finland
- Prior art keywords
- taeckande
- massaframstaellning
- kemikaliefoerlusterna
- vid
- foerfarande foer
- Prior art date
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
- D21C11/10—Concentrating spent liquor by evaporation
- D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
-
- 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
- D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8204266 | 1982-07-12 | ||
SE8204266A SE8204266L (sv) | 1982-07-12 | 1982-07-12 | Forfarande for teckande av kemikalieforlusterna vid massaframstellning |
SE8300280 | 1983-01-20 | ||
PCT/SE1983/000280 WO1984000390A1 (en) | 1982-07-12 | 1983-07-11 | Method of covering the chemical losses in pulp production |
Publications (4)
Publication Number | Publication Date |
---|---|
FI840942A true FI840942A (fi) | 1984-03-08 |
FI840942A0 FI840942A0 (fi) | 1984-03-08 |
FI70942B FI70942B (fi) | 1986-07-18 |
FI70942C FI70942C (fi) | 1986-10-27 |
Family
ID=20347353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI840942A FI70942C (fi) | 1982-07-12 | 1984-03-08 | Foerfarande foer taeckande av kemikaliefoerlusterna vid massaframstaellning |
Country Status (9)
Country | Link |
---|---|
US (1) | US4533433A (fi) |
EP (1) | EP0113754B1 (fi) |
JP (1) | JPS59501218A (fi) |
CA (1) | CA1214003A (fi) |
ES (1) | ES524018A0 (fi) |
FI (1) | FI70942C (fi) |
PT (1) | PT77003B (fi) |
SE (2) | SE8204266L (fi) |
WO (1) | WO1984000390A1 (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE452995B (sv) * | 1985-03-08 | 1988-01-04 | Asea Ab | Reglering av lutatervinningsaggregat |
FI75615C (fi) * | 1985-11-29 | 1991-08-26 | Ahlstroem Oy | Foerfarande foer saenkning av svartlutens viskositet. |
DE3834716A1 (de) * | 1988-10-12 | 1990-04-19 | Metallgesellschaft Ag | Verfahren und vorrichtung zum aufkonzentrieren von loesungen |
FI92226B (fi) * | 1991-04-15 | 1994-06-30 | Ahlstroem Oy | Menetelmä jäteliemen väkevöimiseksi ja keittokemikaalien talteenottamiseksi massanvalmistuksessa alkoholipohjaisilla keittoliuoksilla |
SE505603C2 (sv) * | 1994-10-20 | 1997-09-22 | Kvaerner Pulping Tech | Metod att slutindunsta svartlut i flera steg där luten förs i serie genom stegen och primärånga tillförs varje steg |
JP2007063696A (ja) * | 2005-08-30 | 2007-03-15 | Hakuto Co Ltd | 黒液濃縮エバポレータのスケール洗浄方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE183628C1 (fi) * | 1963-01-01 | |||
US3286763A (en) * | 1964-10-19 | 1966-11-22 | Jacoby Process Equipment Co In | Recovering heat from a blow evaporator for use in a surface evaporator |
US3299942A (en) * | 1964-06-29 | 1967-01-24 | Jacoby Process Equipment Co In | Method and apparatus for the concentration of liquids |
US3289736A (en) * | 1964-06-30 | 1966-12-06 | Rosenblad Corp | Temperature control for evaporation system |
SE319962B (fi) * | 1968-05-10 | 1970-01-26 | Mo Och Domsjoe Ab | |
FI51605C (fi) * | 1975-01-20 | 1977-02-10 | Ahlstroem Oy | Tapa ja laite nesteiden haihduttamiseksi. |
JPS5831961B2 (ja) * | 1976-04-20 | 1983-07-09 | 株式会社荏原製作所 | 濃縮装置のスイツチング運転方法 |
NZ185958A (en) * | 1976-12-22 | 1979-11-01 | Hooker Chemicals Plastics Corp | Pulping liquor recyling;comination with sulphur cycle in bleaching plant |
DE3225337C2 (de) * | 1982-07-07 | 1986-10-16 | Hermann Dr. 4400 Münster Stage | Verfahren zum Entsalzen von Rohtallöl |
-
1982
- 1982-07-12 SE SE8204266A patent/SE8204266L/ not_active Application Discontinuation
-
1983
- 1983-07-08 PT PT77003A patent/PT77003B/pt unknown
- 1983-07-11 JP JP58502453A patent/JPS59501218A/ja active Granted
- 1983-07-11 EP EP83902318A patent/EP0113754B1/en not_active Expired
- 1983-07-11 ES ES524018A patent/ES524018A0/es active Granted
- 1983-07-11 US US06/598,307 patent/US4533433A/en not_active Expired - Fee Related
- 1983-07-11 WO PCT/SE1983/000280 patent/WO1984000390A1/en active IP Right Grant
- 1983-07-18 CA CA000432590A patent/CA1214003A/en not_active Expired
-
1984
- 1984-03-08 FI FI840942A patent/FI70942C/fi not_active IP Right Cessation
-
1989
- 1989-11-07 SE SE8903724A patent/SE467361B/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ES8404445A1 (es) | 1984-04-16 |
JPS59501218A (ja) | 1984-07-12 |
EP0113754A1 (en) | 1984-07-25 |
SE8204266L (sv) | 1984-01-13 |
FI70942B (fi) | 1986-07-18 |
SE8204266D0 (sv) | 1982-07-12 |
FI70942C (fi) | 1986-10-27 |
SE8903724L (sv) | 1989-11-07 |
CA1214003A (en) | 1986-11-18 |
ES524018A0 (es) | 1984-04-16 |
PT77003B (en) | 1986-01-24 |
WO1984000390A1 (en) | 1984-02-02 |
PT77003A (en) | 1983-08-01 |
SE8903724D0 (sv) | 1989-11-07 |
FI840942A0 (fi) | 1984-03-08 |
EP0113754B1 (en) | 1986-06-25 |
SE467361B (sv) | 1992-07-06 |
US4533433A (en) | 1985-08-06 |
JPH026879B2 (fi) | 1990-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: A. AHLSTROEM OSAKEYHTIOE |