FI63611C - Foerfarande foer avlaegsning och aotervinning av flyktiga organiska komponenter fraon sulfitavlut - Google Patents
Foerfarande foer avlaegsning och aotervinning av flyktiga organiska komponenter fraon sulfitavlut Download PDFInfo
- Publication number
- FI63611C FI63611C FI760683A FI760683A FI63611C FI 63611 C FI63611 C FI 63611C FI 760683 A FI760683 A FI 760683A FI 760683 A FI760683 A FI 760683A FI 63611 C FI63611 C FI 63611C
- Authority
- FI
- Finland
- Prior art keywords
- fraction
- volatile organic
- organic
- furfural
- condensate
- 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
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
- C07D307/48—Furfural
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55917475 | 1975-03-17 | ||
US05/559,174 US4155804A (en) | 1975-03-17 | 1975-03-17 | Removal of volatile organic components from spent sulfite effluent |
Publications (3)
Publication Number | Publication Date |
---|---|
FI760683A FI760683A (ja) | 1976-09-18 |
FI63611B FI63611B (fi) | 1983-03-31 |
FI63611C true FI63611C (fi) | 1983-07-11 |
Family
ID=24232576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI760683A FI63611C (fi) | 1975-03-17 | 1976-03-16 | Foerfarande foer avlaegsning och aotervinning av flyktiga organiska komponenter fraon sulfitavlut |
Country Status (7)
Country | Link |
---|---|
US (1) | US4155804A (ja) |
JP (1) | JPS5944436B2 (ja) |
CA (1) | CA1082403A (ja) |
DE (1) | DE2610682A1 (ja) |
FI (1) | FI63611C (ja) |
IT (1) | IT1059579B (ja) |
SE (1) | SE416412B (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61148332U (ja) * | 1985-03-08 | 1986-09-12 | ||
US4666612A (en) * | 1986-03-17 | 1987-05-19 | Kerr-Mcgee Chemical Corporation | Method for recovering a wood preservative from waste sludges |
AT387247B (de) * | 1987-05-12 | 1988-12-27 | Voest Alpine Ind Anlagen | Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfural |
AT387408B (de) * | 1987-05-12 | 1989-01-25 | Voest Alpine Ind Anlagen | Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfural |
US4802995A (en) * | 1987-06-05 | 1989-02-07 | Rostoker, Inc. | Method for decomposing the cyanide radical in cyanide-bearing wastes or materials |
FI85515C (fi) * | 1990-07-09 | 1996-04-10 | Ahlstroem Oy | Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet |
FI92226B (fi) * | 1991-04-15 | 1994-06-30 | Ahlstroem Oy | Menetelmä jäteliemen väkevöimiseksi ja keittokemikaalien talteenottamiseksi massanvalmistuksessa alkoholipohjaisilla keittoliuoksilla |
US5385646A (en) * | 1993-09-03 | 1995-01-31 | Farmland Industries, Inc. | Method of treating chemical process effluent |
US5779861A (en) * | 1993-09-03 | 1998-07-14 | Farmland Industries, Inc. | Method for treating process condensate |
US5643420A (en) * | 1993-09-03 | 1997-07-01 | Farmland Industries, Inc. | Method for treating process condensate |
RU2091529C1 (ru) * | 1995-11-21 | 1997-09-27 | Грудинин Владимир Павлович | Способ приготовления варочного раствора для получения волокнистого полуфабриката |
US6110376A (en) * | 1998-02-09 | 2000-08-29 | J. D. Irving, Limited | Use of reverse osmosis membranes to treat evaporator clean condensate |
FI117633B (fi) * | 2000-12-29 | 2006-12-29 | Chempolis Oy | Kemikaalien talteenotto ja valmistus massan valmistuksen yhteydessä |
FI117632B (fi) * | 2001-07-13 | 2006-12-29 | Chempolis Oy | Menetelmä massan valmistamiseksi |
FI119110B (fi) * | 2001-11-09 | 2008-07-31 | Andritz Oy | Menetelmä lauhteiden käsittelemiseksi |
SE0402201D0 (sv) * | 2004-09-14 | 2004-09-14 | Stfi Packforsk Ab | Method for separating lignin from black liquor |
EP2511003A1 (en) | 2011-04-13 | 2012-10-17 | Bartholomäus T. Brück | Environment friendly method for the production of cement |
AU2018425691B2 (en) * | 2018-05-28 | 2022-06-30 | Pierson Capital Environmental (Beijing) Limited | Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1838109A (en) * | 1930-06-06 | 1931-12-29 | Brown Co | Production of furfural |
US2801206A (en) * | 1949-04-02 | 1957-07-30 | Goddard Harold Oliver | Process of recovering alcohol from waste sulphite liquor |
US3085038A (en) * | 1958-10-15 | 1963-04-09 | Res And Mechanical Applic S P | Production of cellulose furfural and fodder from agricultural waste |
US3462343A (en) * | 1966-05-16 | 1969-08-19 | Babcock & Wilcox Co | Method for recovery of chemicals from magnesium base sulphite digestion process |
US3764462A (en) * | 1971-09-09 | 1973-10-09 | Scott Paper Co | Recovery of furfural and methanol from spent pulping liquors |
SE365008B (ja) * | 1971-11-19 | 1974-03-11 | Mo Och Domsjoe Ab | |
FI51604B (ja) * | 1973-04-09 | 1976-11-01 | Taavi Paavali Siuko |
-
1975
- 1975-03-17 US US05/559,174 patent/US4155804A/en not_active Expired - Lifetime
-
1976
- 1976-03-13 DE DE19762610682 patent/DE2610682A1/de active Granted
- 1976-03-16 IT IT21227/76A patent/IT1059579B/it active
- 1976-03-16 CA CA248,028A patent/CA1082403A/en not_active Expired
- 1976-03-16 SE SE7603292A patent/SE416412B/xx not_active IP Right Cessation
- 1976-03-16 FI FI760683A patent/FI63611C/fi not_active IP Right Cessation
- 1976-03-17 JP JP51029027A patent/JPS5944436B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI760683A (ja) | 1976-09-18 |
FI63611B (fi) | 1983-03-31 |
SE7603292L (sv) | 1976-09-18 |
US4155804A (en) | 1979-05-22 |
CA1082403A (en) | 1980-07-29 |
IT1059579B (it) | 1982-06-21 |
JPS5944436B2 (ja) | 1984-10-29 |
SE416412B (sv) | 1980-12-22 |
DE2610682A1 (de) | 1976-09-30 |
DE2610682C2 (ja) | 1987-10-15 |
JPS51136902A (en) | 1976-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: ITT INDUSTRIES, INC. |