SE9800036L - Förfarande för avskiljning av föroreningar ur kalk och mesa och ett förfarande för kausticering av grönlut innehållande föro reningar, såsom kisel, i två steg - Google Patents
Förfarande för avskiljning av föroreningar ur kalk och mesa och ett förfarande för kausticering av grönlut innehållande föro reningar, såsom kisel, i två stegInfo
- Publication number
- SE9800036L SE9800036L SE9800036A SE9800036A SE9800036L SE 9800036 L SE9800036 L SE 9800036L SE 9800036 A SE9800036 A SE 9800036A SE 9800036 A SE9800036 A SE 9800036A SE 9800036 L SE9800036 L SE 9800036L
- Authority
- SE
- Sweden
- Prior art keywords
- lime
- impurities
- liquor
- pct
- silicon
- Prior art date
Links
- 235000008733 Citrus aurantifolia Nutrition 0.000 title abstract 12
- 235000011941 Tilia x europaea Nutrition 0.000 title abstract 12
- 239000004571 lime Substances 0.000 title abstract 12
- 239000012535 impurity Substances 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 5
- 238000009993 causticizing Methods 0.000 title abstract 3
- 229910052710 silicon Inorganic materials 0.000 title abstract 2
- 239000010703 silicon Substances 0.000 title abstract 2
- 239000000356 contaminant Substances 0.000 title 1
- 239000010802 sludge Substances 0.000 abstract 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
- C01F11/16—Purification
-
- 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
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI953402A FI953402A0 (fi) | 1995-07-11 | 1995-07-11 | Foerfarande foer avskiljning av fraemmande aemnen ur mesa |
FI962289A FI962289A0 (fi) | 1996-05-31 | 1996-05-31 | Foerfarande foer avlaegsnande av skadliga orenheter ur mesa eller kalk |
PCT/FI1996/000406 WO1997003245A1 (en) | 1995-07-11 | 1996-07-10 | Method of separating impurities from lime and lime sludge and a method of causticizing green liquor containing impurities, such as silicon, in two stages |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9800036D0 SE9800036D0 (sv) | 1998-01-09 |
SE9800036L true SE9800036L (sv) | 1998-03-10 |
Family
ID=26159999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9800036A SE9800036L (sv) | 1995-07-11 | 1998-01-09 | Förfarande för avskiljning av föroreningar ur kalk och mesa och ett förfarande för kausticering av grönlut innehållande föro reningar, såsom kisel, i två steg |
Country Status (8)
Country | Link |
---|---|
US (1) | US6074521A (zh) |
JP (1) | JPH11509586A (zh) |
CN (1) | CN1108412C (zh) |
AU (1) | AU6361196A (zh) |
BR (1) | BR9609622A (zh) |
CA (1) | CA2226127A1 (zh) |
SE (1) | SE9800036L (zh) |
WO (1) | WO1997003245A1 (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6245315B1 (en) * | 1999-03-19 | 2001-06-12 | Council Of Scientific & Industrial Research | Process for the production of high density hydration resistant lime sinter |
GB0119237D0 (en) * | 2001-08-07 | 2001-10-03 | Bioregional Minimills Uk Ltd | Paper plant |
US20060201641A1 (en) * | 2001-08-07 | 2006-09-14 | Bioregional Minimills (Uk) Limited | Methods for producing pulp and treating black liquor |
CN1225586C (zh) * | 2002-02-09 | 2005-11-02 | 艾栋 | 改进的造纸黑液碱回收新工艺 |
SE524247C2 (sv) * | 2002-11-25 | 2004-07-13 | Kvaerner Pulping Tech | Metod vid produktion av grönlut |
JP4661308B2 (ja) * | 2005-03-30 | 2011-03-30 | 日本製紙株式会社 | 苛性化工程の操業方法 |
EP2581342A3 (en) * | 2005-08-11 | 2015-05-27 | Clue As | Method for the production of fertilizer and CO2 |
FI122237B (fi) * | 2007-06-15 | 2011-10-31 | Andritz Oy | Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla |
CN102094346A (zh) * | 2010-12-02 | 2011-06-15 | 陕西科技大学 | 一种造纸碱回收工段绿液酸法除硅工艺 |
CN102041703B (zh) * | 2010-12-02 | 2012-05-23 | 陕西科技大学 | 一种造纸碱回收工段绿液引晶法除硅工艺 |
FI125025B (fi) * | 2013-07-01 | 2015-04-30 | Upm Kymmene Corp | Menetelmä fosforin vähentämiseksi jätevesissä ja prosessivesissä |
CN104532650A (zh) * | 2014-07-10 | 2015-04-22 | 华南理工大学 | 一种提高纸张akd施胶效率的白泥填料的制备方法 |
CN105839173A (zh) * | 2016-03-21 | 2016-08-10 | 中国制浆造纸研究院 | 一种白泥碳酸钙晶须的制备方法 |
CA3152745A1 (en) * | 2019-10-22 | 2021-04-29 | Sherman Cox | Method of making purified precipitated calcium carbonate from lime mud |
SE2230392A1 (en) * | 2022-11-30 | 2024-05-31 | Valmet Oy | A method for removing non-process elements in a kraft pulping process |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE139502C1 (zh) * | ||||
BE349831A (zh) * | 1928-03-23 | 1900-01-01 | ||
SE7809167L (sv) * | 1978-08-30 | 1980-03-01 | Rosenblads Patenter Ab | Barlastreduktion |
SE448102B (sv) * | 1981-10-13 | 1987-01-19 | Claes Svensson | Forfarande vid beredning av kokkemikalier for cellulosamassaframstellning |
FI72155C (sv) * | 1983-10-25 | 1987-04-13 | Partek Ab | Förfarande för kausticering av grönlut i en alkalisk massakokningsproc ess. |
CA1267648A (en) * | 1985-11-05 | 1990-04-10 | Raphael Katzen | Process for lignin recovery |
SE500748C2 (sv) * | 1992-10-12 | 1994-08-22 | Bertil Pettersson | Förfarande vid kemikalieåtervinning i en sulfatmassafabrik för framställning av dels en vitlut med hög sulfiditet och dels en sulfidfattig vitlut |
FI95608B (fi) * | 1994-06-17 | 1995-11-15 | Ahlstroem Oy | Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä |
-
1996
- 1996-07-10 BR BR9609622A patent/BR9609622A/pt not_active Application Discontinuation
- 1996-07-10 WO PCT/FI1996/000406 patent/WO1997003245A1/en active Application Filing
- 1996-07-10 AU AU63611/96A patent/AU6361196A/en not_active Abandoned
- 1996-07-10 US US08/981,642 patent/US6074521A/en not_active Expired - Fee Related
- 1996-07-10 CA CA002226127A patent/CA2226127A1/en not_active Abandoned
- 1996-07-10 JP JP9505531A patent/JPH11509586A/ja active Pending
- 1996-07-10 CN CN96196746A patent/CN1108412C/zh not_active Expired - Fee Related
-
1998
- 1998-01-09 SE SE9800036A patent/SE9800036L/ not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1997003245A1 (en) | 1997-01-30 |
CN1195382A (zh) | 1998-10-07 |
CN1108412C (zh) | 2003-05-14 |
SE9800036D0 (sv) | 1998-01-09 |
BR9609622A (pt) | 1999-04-06 |
US6074521A (en) | 2000-06-13 |
CA2226127A1 (en) | 1997-01-30 |
AU6361196A (en) | 1997-02-10 |
JPH11509586A (ja) | 1999-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |