CA988661A - Carbonation system for recovery of sodium base pulping liquor - Google Patents
Carbonation system for recovery of sodium base pulping liquorInfo
- Publication number
- CA988661A CA988661A CA169,146A CA169146A CA988661A CA 988661 A CA988661 A CA 988661A CA 169146 A CA169146 A CA 169146A CA 988661 A CA988661 A CA 988661A
- Authority
- CA
- Canada
- Prior art keywords
- recovery
- pulping liquor
- sodium base
- carbonation system
- base pulping
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title 1
- 239000003265 pulping liquor Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 229910052708 sodium Inorganic materials 0.000 title 1
- 239000011734 sodium Substances 0.000 title 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
- 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
-
- 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
-
- 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
- D21C11/12—Combustion of pulp liquors
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00246366A US3826710A (en) | 1972-04-21 | 1972-04-21 | Carbonation system for recovery of sodium base pulping liquor |
Publications (1)
Publication Number | Publication Date |
---|---|
CA988661A true CA988661A (en) | 1976-05-11 |
Family
ID=22930362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA169,146A Expired CA988661A (en) | 1972-04-21 | 1973-04-19 | Carbonation system for recovery of sodium base pulping liquor |
Country Status (4)
Country | Link |
---|---|
US (1) | US3826710A (enEXAMPLES) |
JP (1) | JPS4920404A (enEXAMPLES) |
CA (1) | CA988661A (enEXAMPLES) |
SE (1) | SE386924B (enEXAMPLES) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI49737C (fi) * | 1973-11-28 | 1975-09-10 | Tampella Oy Ab | Menetelmä rikin erottamiseksi rikkivetynä jätelipeän poltosta saadusta selkeytetystä viherlipeästä. |
US4083930A (en) * | 1976-04-02 | 1978-04-11 | Rockwell International Corporation | Method of treating alkali metal sulfide and carbonate mixtures |
CA1108356A (en) * | 1976-09-15 | 1981-09-08 | Robert D. Rennick | Method of treating an alkali metal sulfide liquor |
US4148684A (en) * | 1976-11-08 | 1979-04-10 | Mei Systems Inc. | Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations |
SE434860B (sv) * | 1976-11-15 | 1984-08-20 | Mo Och Domsjoe Ab | Forfarande for utstotning av klorider ur kemikalieatervinningssystem vid natriumbaserade massaframstellningsprocesser |
JPS5389734A (en) * | 1977-01-18 | 1978-08-07 | Marunaka Shiyoukai Kk | Conveyance device for performing moving shot of movie |
FI54946C (fi) * | 1977-09-05 | 1979-04-10 | Tampella Oy Ab | Saett och anordning foer aotervinning av natriumkemikalier fraon groenlut samt roekgaser |
JPS5838003Y2 (ja) * | 1978-09-11 | 1983-08-27 | 竹内鉄工株式会社 | 移動式洗車機における走行レ−ルの凍結防止装置 |
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 |
FI65454C (fi) * | 1981-09-08 | 1984-05-10 | Tampella Oy Ab | Saett att aotervinna natriumkemikalier fraon groenlut samt roekgaser |
US5041237A (en) * | 1983-09-08 | 1991-08-20 | Stora Kopparbergs Berglags Ab | Aqueous solution containing sulphur dioxide and sodium in high percentages, its manufacture and use |
DE3518005A1 (de) * | 1985-05-18 | 1986-11-20 | Kraftanlagen Ag, 6900 Heidelberg | Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien |
AT398440B (de) * | 1991-10-25 | 1994-12-27 | Waagner Biro Ag | Verfahren zur rückgewinnung der chemikalien der kochlauge |
AT398992B (de) * | 1993-04-05 | 1995-02-27 | Austrian Energy & Environment | Verfahren zur umwandlung von natriumsulfat |
FR2883008B1 (fr) * | 2005-03-08 | 2007-04-27 | Solvay | Procede pour l'obtention conjointe de chlore et de cristaux de carbonate monohydrate |
DE102007036380A1 (de) * | 2007-07-31 | 2009-02-05 | Voith Patent Gmbh | Verfahren und Anlage zur Aufbereitung der Ablauge eines Sulfitverfahrens |
-
1972
- 1972-04-21 US US00246366A patent/US3826710A/en not_active Expired - Lifetime
-
1973
- 1973-04-03 SE SE7304673A patent/SE386924B/xx unknown
- 1973-04-19 CA CA169,146A patent/CA988661A/en not_active Expired
- 1973-04-21 JP JP48044701A patent/JPS4920404A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4920404A (enEXAMPLES) | 1974-02-22 |
SE386924B (sv) | 1976-08-23 |
US3826710A (en) | 1974-07-30 |
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