SE7414894L - - Google Patents
Info
- Publication number
- SE7414894L SE7414894L SE7414894A SE7414894A SE7414894L SE 7414894 L SE7414894 L SE 7414894L SE 7414894 A SE7414894 A SE 7414894A SE 7414894 A SE7414894 A SE 7414894A SE 7414894 L SE7414894 L SE 7414894L
- Authority
- SE
- Sweden
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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/16—Hydrogen sulfides
- C01B17/167—Separation
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Physical Water Treatments (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI733671A FI49737C (fi) | 1973-11-28 | 1973-11-28 | Menetelmä rikin erottamiseksi rikkivetynä jätelipeän poltosta saadusta selkeytetystä viherlipeästä. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7414894L true SE7414894L (pt) | 1975-05-29 |
| SE412772B SE412772B (sv) | 1980-03-17 |
Family
ID=8508650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7414894A SE412772B (sv) | 1973-11-28 | 1974-11-27 | Forfarande for avskiljande av svavel i form av svavelvete fran klarnad gronlut erhallen fran avlutforbrenning |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4049787A (pt) |
| JP (1) | JPS5413237B2 (pt) |
| CA (1) | CA1041708A (pt) |
| CS (1) | CS226157B2 (pt) |
| DE (1) | DE2449131B2 (pt) |
| FI (1) | FI49737C (pt) |
| FR (1) | FR2252290B1 (pt) |
| HU (1) | HU176587B (pt) |
| NO (1) | NO141808C (pt) |
| SE (1) | SE412772B (pt) |
| SU (1) | SU965340A3 (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2506969C2 (de) * | 1975-02-19 | 1983-12-01 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Vermeidung der Geruchsbelästigung der Umwelt beim Konzentrieren von Zellstoffablaugen |
| US4241041A (en) * | 1979-01-22 | 1980-12-23 | Mei Systems Inc. | Methods for the recovery of sulfur components from flue gas and recycle sodium sulfite by reduction-smelting and carbonating to strip hydrogen sulfide |
| FI67732C (fi) * | 1982-10-20 | 1985-05-10 | Tampella Oy Ab | Saett att aotervinna kemikalier fraon kloridhaltig groenlut |
| US6284199B1 (en) * | 1999-03-31 | 2001-09-04 | Mcdermott Technology, Inc. | Apparatus for control of mercury |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2675297A (en) * | 1954-04-13 | Solution phase process of convert | ||
| US2864669A (en) * | 1954-11-01 | 1958-12-16 | Stora Kopparbergs Bergslags Ab | Method for recovering sulfur and alkali from waste liquors |
| DE1692877C3 (de) * | 1965-11-24 | 1975-10-02 | Oy Tampella Ab, Tampere (Finnland) | Verfahren und Vorrichtung zum Aufarbeiten von wässrigen Sulfidlösungen, insbesondere von bei der alkalischen Sulfatcellulose-Gewinnung anfallenden natriumsulfidhaltigen Grünlaugen |
| DE1692878C3 (de) * | 1966-05-25 | 1974-04-04 | Oy Tampella Ab, Heinola (Finnland) | Verfahren/um Auskristallisieren von Alkali als Karbonat aus der bei der Zellstoffablaugen-Aufarbeitung anfallenden Schmelz lösung |
| US3826710A (en) * | 1972-04-21 | 1974-07-30 | Owens Illinois Inc | Carbonation system for recovery of sodium base pulping liquor |
-
1973
- 1973-11-28 FI FI733671A patent/FI49737C/fi active
-
1974
- 1974-10-15 CA CA211,435A patent/CA1041708A/en not_active Expired
- 1974-10-16 DE DE2449131A patent/DE2449131B2/de active Granted
- 1974-10-16 US US05/515,424 patent/US4049787A/en not_active Expired - Lifetime
- 1974-10-16 NO NO743726A patent/NO141808C/no unknown
- 1974-10-16 HU HU74OA547A patent/HU176587B/hu not_active IP Right Cessation
- 1974-11-22 JP JP13374674A patent/JPS5413237B2/ja not_active Expired
- 1974-11-27 SE SE7414894A patent/SE412772B/xx not_active IP Right Cessation
- 1974-11-27 SU SU742078679A patent/SU965340A3/ru active
- 1974-11-28 FR FR7438968A patent/FR2252290B1/fr not_active Expired
- 1974-11-28 CS CS748149A patent/CS226157B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2252290B1 (pt) | 1981-08-28 |
| HU176587B (en) | 1981-03-28 |
| CA1041708A (en) | 1978-11-07 |
| DE2449131B2 (de) | 1978-11-23 |
| JPS5085596A (pt) | 1975-07-10 |
| FI49737B (pt) | 1975-06-02 |
| NO743726L (pt) | 1975-06-23 |
| SU965340A3 (ru) | 1982-10-07 |
| FR2252290A1 (pt) | 1975-06-20 |
| SE412772B (sv) | 1980-03-17 |
| NO141808B (no) | 1980-02-04 |
| NO141808C (no) | 1980-05-14 |
| CS226157B2 (en) | 1984-03-19 |
| DE2449131A1 (de) | 1975-06-05 |
| US4049787A (en) | 1977-09-20 |
| FI49737C (fi) | 1975-09-10 |
| JPS5413237B2 (pt) | 1979-05-29 |
| DE2449131C3 (pt) | 1979-07-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7414894-1 Effective date: 19920604 Format of ref document f/p: F |