ZA965807B - Leaching process - Google Patents

Leaching process

Info

Publication number
ZA965807B
ZA965807B ZA965807A ZA965807A ZA965807B ZA 965807 B ZA965807 B ZA 965807B ZA 965807 A ZA965807 A ZA 965807A ZA 965807 A ZA965807 A ZA 965807A ZA 965807 B ZA965807 B ZA 965807B
Authority
ZA
South Africa
Prior art keywords
chloride
potassium
recovery boiler
recovery
remove
Prior art date
Application number
ZA965807A
Other languages
English (en)
Inventor
Johan Landfors
Roy Hammer-Olsen
Kimona Haggstrom
Original Assignee
Eka Chemicals 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 Chemicals Ab filed Critical Eka Chemicals Ab
Publication of ZA965807B publication Critical patent/ZA965807B/xx

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)
ZA965807A 1995-07-12 1996-07-09 Leaching process ZA965807B (en)

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
ZA965807B true ZA965807B (en) 1997-01-27

Family

ID=20398976

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA965807A ZA965807B (en) 1995-07-12 1996-07-09 Leaching process

Country Status (13)

Country Link
EP (1) EP0754799B1 (xx)
JP (1) JP4131991B2 (xx)
CN (1) CN1116476C (xx)
AT (1) ATE174393T1 (xx)
AU (1) AU688683B2 (xx)
BR (1) BR9603013A (xx)
CA (1) CA2180622C (xx)
DE (1) DE69601110T2 (xx)
ES (1) ES2125699T3 (xx)
NO (1) NO319150B1 (xx)
NZ (1) NZ286949A (xx)
SE (1) SE9502583D0 (xx)
ZA (1) ZA965807B (xx)

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
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
BR9603013A (pt) 1998-05-05
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

Similar Documents

Publication Publication Date Title
ZA965807B (en) Leaching process
KR930009915A (ko) 금속황산염 함유의 폐황산에서 황산을 회수하는 방법
DK330288A (da) Fremgangsmaade til rensning af metalholdige oploesninger samt apparat dertil
EP0453005A1 (de) Abgas-Reinigungsverfahren
JPH07112559B2 (ja) 金属イオンおよび油類を含有するアルカリ性のフッ化物廃液の処理方法
CA2225927A1 (en) Recovery process in a pulp mill
Formanek et al. Non-Traditional Sources of Vanadium and Nickel
KR100190305B1 (ko) 염산내 염화철(ⅱ)용액의 정화방법
TH21091B (th) กรรมวิธีการลีช
TH26724A (th) กรรมวิธีการลีช
Cupertino et al. Process for Stripping Metals From Organic Complexes
Pooley et al. Processing profit from valueless waste
SU924355A1 (ru) Способ очистки растворов от выщелачивания руд 1
Cupertino et al. Chemical process for the recovery of metal from an organic complex
von Mylius Elimination of waste waters and recovery of water and usable materials in the metal processing industry
Frohlich et al. Hydrometallurgical process for the treatment of spent domestic and industrial batteries
Lortie et al. Metals Recovery From an Industrial Waste Effluent: A Solution to a Pollution Problem That Saves Natural Resources.
HU209268B (en) Process for recovering rare metal content of combustion products of brown coal with high calcium oxide content
JPS54110920A (en) Recovery of silver from silver-containing sludge
SU669176A1 (ru) Способ регенерации очищающего раствора на основе этилендиаминтетрауксусной кислоты или ее солей
Wiegand Treatment and Recovery of Cadmium From Steelworks Flue Dust
GB2344340A (en) Treating acid contaminated with fission products
Whewell Process for Extraction and Concentration of Rhodium
Griffiths Liquid membrane applications in waste water treatment and metals recovery
Kerney Reuse Possibilities for Spent Zinc-Containing Pickling Solutions From Hot Dip Zinc Coating Plants