SE7703818L - Sett att vid cellulosakokning tillvarataga verme samt lettflyktiga alkoholer och svavelforeningar innehallande fraktioner ur svartlut - Google Patents
Sett att vid cellulosakokning tillvarataga verme samt lettflyktiga alkoholer och svavelforeningar innehallande fraktioner ur svartlutInfo
- Publication number
- SE7703818L SE7703818L SE7703818A SE7703818A SE7703818L SE 7703818 L SE7703818 L SE 7703818L SE 7703818 A SE7703818 A SE 7703818A SE 7703818 A SE7703818 A SE 7703818A SE 7703818 L SE7703818 L SE 7703818L
- Authority
- SE
- Sweden
- Prior art keywords
- vapour
- pressure
- volatile alcohols
- black liquor
- digester
- 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
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
-
- 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
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Paper (AREA)
- Cookers (AREA)
- Meat, Egg Or Seafood Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI760990A FI52128C (sv) | 1976-04-12 | 1976-04-12 | Sätt att vid cellulosakokning tillvarataga värme samt lättflyktiga alk oholer och svavelföreningar innehållande fraktioner ur svartlut. |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7703818L true SE7703818L (sv) | 1977-10-13 |
Family
ID=8509911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7703818A SE7703818L (sv) | 1976-04-12 | 1977-04-01 | Sett att vid cellulosakokning tillvarataga verme samt lettflyktiga alkoholer och svavelforeningar innehallande fraktioner ur svartlut |
Country Status (5)
Country | Link |
---|---|
US (1) | US4111743A (sv) |
CA (1) | CA1098657A (sv) |
FI (1) | FI52128C (sv) |
NO (1) | NO148195C (sv) |
SE (1) | SE7703818L (sv) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI58953B (fi) * | 1977-12-22 | 1981-01-30 | Valmet Oy | Foerfarande foer utnyttjande av vid framstaellning av termomekanisk massa bildad vaermeenergi |
NZ191061A (en) * | 1978-07-27 | 1982-03-16 | Obbola Linerboard Ab | Chemical pulp manufacture cellulosic material preheated by steam in a storage container |
SE462106B (sv) * | 1986-11-28 | 1990-05-07 | Alf Ove Andersson | Saett att utvinna energi och kemikalier ur avlut fraan massaberedning |
US4925527A (en) * | 1989-02-22 | 1990-05-15 | Ahlstromforetagen Svenska Ab | Method for the recovery of turpentine and heat in a refiner pulping process |
US5718810A (en) * | 1996-03-19 | 1998-02-17 | The Dow Chemical Company | Methanol recovery using extractive distillation |
US6722130B1 (en) * | 1998-11-09 | 2004-04-20 | Kvaerner Pulping Ab | Method of producing process steam from a black liquor |
US6419788B1 (en) | 2000-08-16 | 2002-07-16 | Purevision Technology, Inc. | Method of treating lignocellulosic biomass to produce cellulose |
US7815876B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
US7815741B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
FI127712B (sv) * | 2016-04-22 | 2018-12-31 | Andritz Oy | Förfarande och arrangemang för framställning av processånga |
SE539572C2 (sv) * | 2016-05-17 | 2017-10-17 | Valmet Oy | Method for generation of clean steam in a continuous digester system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3432402A (en) * | 1967-01-19 | 1969-03-11 | Arizona Chem | Recovery of turpentine from black liquor |
SE365008B (sv) * | 1971-11-19 | 1974-03-11 | Mo Och Domsjoe Ab |
-
1976
- 1976-04-12 FI FI760990A patent/FI52128C/sv not_active IP Right Cessation
-
1977
- 1977-04-01 SE SE7703818A patent/SE7703818L/sv not_active Application Discontinuation
- 1977-04-04 US US05/784,315 patent/US4111743A/en not_active Expired - Lifetime
- 1977-04-05 CA CA275,582A patent/CA1098657A/en not_active Expired
- 1977-04-05 NO NO771210A patent/NO148195C/no unknown
Also Published As
Publication number | Publication date |
---|---|
FI52128B (sv) | 1977-02-28 |
NO771210L (no) | 1977-10-13 |
US4111743A (en) | 1978-09-05 |
CA1098657A (en) | 1981-04-07 |
NO148195C (no) | 1983-08-24 |
FI52128C (sv) | 1977-06-10 |
NO148195B (no) | 1983-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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