BR9603013A - Processo de lixiviação - Google Patents
Processo de lixiviaçãoInfo
- Publication number
- BR9603013A BR9603013A BR9603013A BR9603013A BR9603013A BR 9603013 A BR9603013 A BR 9603013A BR 9603013 A BR9603013 A BR 9603013A BR 9603013 A BR9603013 A BR 9603013A BR 9603013 A BR9603013 A BR 9603013A
- Authority
- BR
- Brazil
- Prior art keywords
- chloride
- potassium
- recovery boiler
- recovery
- remove
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000002386 leaching Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 abstract 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 4
- 229910052700 potassium Inorganic materials 0.000 abstract 4
- 239000011591 potassium Substances 0.000 abstract 4
- 239000000428 dust Substances 0.000 abstract 2
- 238000004537 pulping Methods 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 238000004061 bleaching Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000000909 electrodialysis Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000012716 precipitator Substances 0.000 abstract 1
- 239000007790 solid phase Substances 0.000 abstract 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
- D21C11/12—Combustion of pulp liquors
- D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
-
- 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
- D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
- D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Paper (AREA)
- Saccharide Compounds (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Steroid Compounds (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9502583A SE9502583D0 (sv) | 1995-07-12 | 1995-07-12 | Leaching process |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9603013A true BR9603013A (pt) | 1998-05-05 |
Family
ID=20398976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9603013A BR9603013A (pt) | 1995-07-12 | 1996-07-08 | Processo de lixiviação |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0754799B1 (pt) |
JP (1) | JP4131991B2 (pt) |
CN (1) | CN1116476C (pt) |
AT (1) | ATE174393T1 (pt) |
AU (1) | AU688683B2 (pt) |
BR (1) | BR9603013A (pt) |
CA (1) | CA2180622C (pt) |
DE (1) | DE69601110T2 (pt) |
ES (1) | ES2125699T3 (pt) |
NO (1) | NO319150B1 (pt) |
NZ (1) | NZ286949A (pt) |
SE (1) | SE9502583D0 (pt) |
ZA (1) | ZA965807B (pt) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9603972D0 (sv) * | 1996-10-31 | 1996-10-31 | Kvaerner Pulping Tech | Förfarande för framställning av aska bestående huvudsakligen av natriumsulfat från en sodapanna |
SE9700012D0 (sv) * | 1997-01-03 | 1997-01-03 | Eka Chemicals Ab | Recovery process in a pulp mill |
US5980717A (en) * | 1997-01-03 | 1999-11-09 | Eka Chemical Ab | Recovery process in a pulp mill |
FI107253B (fi) * | 1999-04-09 | 2001-06-29 | Finnish Chemicals Oy | Menetelmä lentotuhkan käsittelemiseksi |
SE517587C2 (sv) * | 2001-08-14 | 2002-06-25 | Kvaerner Pulping Tech | Förfarande för lakning av elfilteraska från en sodapanna |
SE530373C3 (sv) * | 2006-11-22 | 2008-06-10 | Metso Power Ab | Anordning och förfarande för urlakning av klorid och kalium ur elfilteraska |
US8721837B2 (en) * | 2012-07-26 | 2014-05-13 | Veolia Water Solutions & Technologies North America, Inc. | Method for recovering pulping chemicals and reducing the concentration of potassium and chloride therein |
JP6364745B2 (ja) * | 2013-11-12 | 2018-08-01 | 王子ホールディングス株式会社 | 回収ボイラ捕集灰の処理方法及び処理装置 |
JP6179360B2 (ja) * | 2013-11-12 | 2017-08-16 | 王子ホールディングス株式会社 | 回収ボイラ捕集灰の処理方法及び処理装置 |
JP6398176B2 (ja) * | 2013-11-12 | 2018-10-03 | 王子ホールディングス株式会社 | 回収ボイラ捕集灰の処理方法及び処理装置 |
SE1451569A1 (sv) * | 2014-12-17 | 2015-12-01 | Aprotech Engineering Ab | Process for production of a fertilizer comprising potassium sulfate |
SE543254C2 (en) * | 2017-06-05 | 2020-11-03 | Suncarbon Ab | Process for depolymerization of lignin |
FR3072396B1 (fr) * | 2017-10-12 | 2019-11-08 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Methode de traitement des cendres d'electrofiltres de la chaudiere de recuperation dans un procede kraft |
WO2024151589A1 (en) * | 2023-01-10 | 2024-07-18 | Veolia Water Technologies, Inc. | System and process for reducing chemical losses in treating ash produced in a recovery boiler of a wood pulping process |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1059271A (en) * | 1974-02-21 | 1979-07-31 | Erco Envirotech Ltd. | Removal of sodium chloride from pulp mill systems |
JPS5522051A (en) * | 1978-08-02 | 1980-02-16 | Tokuyama Soda Kk | Desalting method |
JPH02145885A (ja) * | 1988-11-25 | 1990-06-05 | Mitsubishi Heavy Ind Ltd | ソーダ回収ボイラの灰詰り防止方法及びその装置 |
JP3143222B2 (ja) * | 1992-08-21 | 2001-03-07 | 大王製紙株式会社 | 酸及びアルカリの製造方法 |
SE9202419D0 (sv) * | 1992-08-24 | 1992-08-24 | Eka Nobel Ab | Reduction of chloride in pulping chemical recovery systems |
-
1995
- 1995-07-12 SE SE9502583A patent/SE9502583D0/xx unknown
-
1996
- 1996-06-14 ES ES96201661T patent/ES2125699T3/es not_active Expired - Lifetime
- 1996-06-14 DE DE69601110T patent/DE69601110T2/de not_active Expired - Lifetime
- 1996-06-14 EP EP96201661A patent/EP0754799B1/en not_active Expired - Lifetime
- 1996-06-14 AT AT96201661T patent/ATE174393T1/de active
- 1996-07-05 CA CA002180622A patent/CA2180622C/en not_active Expired - Fee Related
- 1996-07-08 NZ NZ286949A patent/NZ286949A/en not_active IP Right Cessation
- 1996-07-08 BR BR9603013A patent/BR9603013A/pt not_active IP Right Cessation
- 1996-07-08 AU AU58388/96A patent/AU688683B2/en not_active Ceased
- 1996-07-09 ZA ZA965807A patent/ZA965807B/xx unknown
- 1996-07-10 CN CN96110619A patent/CN1116476C/zh not_active Expired - Fee Related
- 1996-07-11 NO NO19962918A patent/NO319150B1/no not_active IP Right Cessation
- 1996-07-12 JP JP20104696A patent/JP4131991B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU5838896A (en) | 1997-01-23 |
CN1147483A (zh) | 1997-04-16 |
ATE174393T1 (de) | 1998-12-15 |
ZA965807B (en) | 1997-01-27 |
CA2180622C (en) | 2001-06-05 |
NZ286949A (en) | 1997-09-22 |
AU688683B2 (en) | 1998-03-12 |
NO962918D0 (no) | 1996-07-11 |
ES2125699T3 (es) | 1999-03-01 |
JPH09119086A (ja) | 1997-05-06 |
CN1116476C (zh) | 2003-07-30 |
CA2180622A1 (en) | 1997-01-13 |
DE69601110T2 (de) | 1999-06-24 |
EP0754799A3 (en) | 1997-03-26 |
SE9502583D0 (sv) | 1995-07-12 |
DE69601110D1 (de) | 1999-01-21 |
JP4131991B2 (ja) | 2008-08-13 |
EP0754799B1 (en) | 1998-12-09 |
EP0754799A2 (en) | 1997-01-22 |
NO319150B1 (no) | 2005-06-27 |
NO962918L (no) | 1997-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB34 | Technical and formal requirements: requirement - article 34 of industrial property law | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 08/07/2016 |