DE69709401T2 - Verfahren zum rückgewinnen von kalzium aus abfälle oder kontaminiertem natürlichem kalzium enthaltendem material - Google Patents

Verfahren zum rückgewinnen von kalzium aus abfälle oder kontaminiertem natürlichem kalzium enthaltendem material

Info

Publication number
DE69709401T2
DE69709401T2 DE69709401T DE69709401T DE69709401T2 DE 69709401 T2 DE69709401 T2 DE 69709401T2 DE 69709401 T DE69709401 T DE 69709401T DE 69709401 T DE69709401 T DE 69709401T DE 69709401 T2 DE69709401 T2 DE 69709401T2
Authority
DE
Germany
Prior art keywords
calcium
recovering
material containing
waste
containing natural
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 - Lifetime
Application number
DE69709401T
Other languages
English (en)
Other versions
DE69709401D1 (de
Inventor
Markus Blomquist
Guenter Betz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Betz Guenter Brittnau Ch
BLOMQUIST, MARKUS, TURKU, FI
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69709401D1 publication Critical patent/DE69709401D1/de
Application granted granted Critical
Publication of DE69709401T2 publication Critical patent/DE69709401T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C01F11/18—Carbonates
    • C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
    • 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
    • C01F11/18—Carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
DE69709401T 1996-09-27 1997-09-24 Verfahren zum rückgewinnen von kalzium aus abfälle oder kontaminiertem natürlichem kalzium enthaltendem material Expired - Lifetime DE69709401T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI963854A FI103664B1 (fi) 1996-09-27 1996-09-27 Menetelmä kalsiumin talteenottamiseksi jätemateriaalista tai epäpuhtaasta luonnon kalsiummateriaalista
PCT/FI1997/000572 WO1998013298A1 (en) 1996-09-27 1997-09-24 Method of recovering calcium from waste material or contaminated natural calcic material

Publications (2)

Publication Number Publication Date
DE69709401D1 DE69709401D1 (de) 2002-01-31
DE69709401T2 true DE69709401T2 (de) 2002-08-14

Family

ID=8546754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709401T Expired - Lifetime DE69709401T2 (de) 1996-09-27 1997-09-24 Verfahren zum rückgewinnen von kalzium aus abfälle oder kontaminiertem natürlichem kalzium enthaltendem material

Country Status (7)

Country Link
US (1) US6193945B1 (de)
EP (1) EP0946417B1 (de)
AT (1) ATE211119T1 (de)
AU (1) AU4387097A (de)
DE (1) DE69709401T2 (de)
FI (1) FI103664B1 (de)
WO (1) WO1998013298A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100401986B1 (ko) * 1998-12-10 2003-12-18 주식회사 포스코 스테인레스강 정련공정의 부원료분진을 이용한 경질 탄산칼슘의제조방법
EP1149802A1 (de) * 2000-04-28 2001-10-31 AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO - A.C.R.A.F. - S.p.A. Calciumkarbonat wesentlich frei von Ammoniumionen und Verfahren zur dessen Herstellung
ES2169680B1 (es) * 2000-08-09 2003-08-01 Jealsa Rianxeira Sa Procedimiento para el aprovechamiento industrial de la concha del mejillon.
KR100492620B1 (ko) * 2002-09-11 2005-06-03 한국지질자원연구원 스테인레스 정련공정의 분진을 이용한 아라고나이트형탄산칼슘 제조방법
US20050126731A1 (en) * 2003-12-11 2005-06-16 Fort James Corporation Economical and environmentally sustainable method of recycling wastepaper
ES2549029T3 (es) 2011-05-16 2015-10-22 Omya International Ag Método para la producción de carbonato de calcio precipitado a partir de desecho de la molienda de pulpa
KR101293955B1 (ko) * 2011-09-28 2013-08-07 기아자동차주식회사 이산화탄소 탄산염 고정화 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134974B (de) 1959-10-16 1962-08-23 Bayer Ag Verfahren zur Herstellung von feindispersem Calciumcarbonat
DE1417882A1 (de) 1960-11-10 1969-01-09 Bayer Ag Verfahren zur Herstellung von feindispersen CaCO3-Fuellstoffen
JP2684112B2 (ja) 1989-06-29 1997-12-03 丸尾カルシウム株式会社 針状形状をしたアラゴナイト結晶形炭酸カルシウムの製造方法
DD298372A5 (de) * 1989-11-29 1992-02-20 Bergakademie Freiberg,De Verfahren zur herstellung von besonders als fuellstoff geeigneten calciumcarbonatpulvern aus waessrigen loesungen
BE1003441A5 (fr) 1990-07-24 1992-03-24 Lhoist Rech & Dev Sa Procede de fabrication de derives calciques, derives calciques et uti lisation de tels derives.
CA2090088C (en) * 1992-02-26 1995-07-25 Pierre Marc Fouche Production of purified calcium carbonate
CA2142663A1 (en) 1994-02-28 1995-08-29 Jean Marie Bacardi Process for preparing calcium salts of low aluminum content
US5846500A (en) * 1995-10-10 1998-12-08 James W. Bunger And Associates, Inc. Process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products
US5961941A (en) * 1997-06-17 1999-10-05 Thermo Fibergen, Inc. Production of precipitated calcium carbonate from papermaking sludge and sludge-derived ash
US5919424A (en) * 1997-06-17 1999-07-06 Thermo Fibergen, Inc. Method of recovering minerals from papermaking sludge and sludge-derived ash

Also Published As

Publication number Publication date
DE69709401D1 (de) 2002-01-31
WO1998013298A1 (en) 1998-04-02
ATE211119T1 (de) 2002-01-15
AU4387097A (en) 1998-04-17
EP0946417A1 (de) 1999-10-06
FI103664B (fi) 1999-08-13
US6193945B1 (en) 2001-02-27
EP0946417B1 (de) 2001-12-19
FI963854A (fi) 1998-03-28
FI103664B1 (fi) 1999-08-13
FI963854A0 (fi) 1996-09-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: DREISS PATENTANWAELTE, 70188 STUTTGART

8327 Change in the person/name/address of the patent owner

Owner name: BETZ, GUENTER, BRITTNAU, CH

Owner name: BLOMQUIST, MARKUS, TURKU, FI