BR9603013A - Processo de lixiviação - Google Patents

Processo de lixiviação

Info

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
Application number
BR9603013A
Other languages
English (en)
Inventor
Johan Landfors
Roy Hammer-Olsen
Kimona Haggstrom
Original Assignee
Eka Chemical Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eka Chemical Ab filed Critical Eka Chemical Ab
Publication of BR9603013A publication Critical patent/BR9603013A/pt

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
    • D21C11/12—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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
BR9603013A 1995-07-12 1996-07-08 Processo de lixiviação BR9603013A (pt)

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 (13)

* Cited by examiner, † Cited by third party
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
US5980717A (en) * 1997-01-03 1999-11-09 Eka Chemical Ab Recovery process in a pulp mill
SE9700012D0 (sv) * 1997-01-03 1997-01-03 Eka Chemicals Ab Recovery process in a pulp mill
FI107253B (fi) * 1999-04-09 2001-06-29 Finnish Chemicals Oy Menetelmä lentotuhkan käsittelemiseksi
SE0102717L (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
WO2018226147A1 (en) * 2017-06-05 2018-12-13 Suncarbon Ab Catalytic conversion 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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU5838896A (en) 1997-01-23
NO319150B1 (no) 2005-06-27
ES2125699T3 (es) 1999-03-01
JPH09119086A (ja) 1997-05-06
ZA965807B (en) 1997-01-27
NO962918D0 (no) 1996-07-11
CA2180622C (en) 2001-06-05
NZ286949A (en) 1997-09-22
DE69601110T2 (de) 1999-06-24
JP4131991B2 (ja) 2008-08-13
ATE174393T1 (de) 1998-12-15
DE69601110D1 (de) 1999-01-21
SE9502583D0 (sv) 1995-07-12
EP0754799A2 (en) 1997-01-22
AU688683B2 (en) 1998-03-12
EP0754799A3 (en) 1997-03-26
CN1116476C (zh) 2003-07-30
EP0754799B1 (en) 1998-12-09
CN1147483A (zh) 1997-04-16
NO962918L (no) 1997-01-13
CA2180622A1 (en) 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