FI955761A0 - Kipsin puhdistusmenetelmä - Google Patents

Kipsin puhdistusmenetelmä

Info

Publication number
FI955761A0
FI955761A0 FI955761A FI955761A FI955761A0 FI 955761 A0 FI955761 A0 FI 955761A0 FI 955761 A FI955761 A FI 955761A FI 955761 A FI955761 A FI 955761A FI 955761 A0 FI955761 A0 FI 955761A0
Authority
FI
Finland
Prior art keywords
cleaning method
gypsum cleaning
gypsum
cleaning
Prior art date
Application number
FI955761A
Other languages
English (en)
Swedish (sv)
Other versions
FI101787B1 (fi
FI101787B (fi
FI955761A (fi
Inventor
Jukka Karhunen
Hannu Aeijaelae
Kari Lehtinen
Veikko Myllylae
Original Assignee
Kemira Chemicals Oy
Kemira Agro Oy
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 Kemira Chemicals Oy, Kemira Agro Oy filed Critical Kemira Chemicals Oy
Priority to FI955761A priority Critical patent/FI101787B/fi
Publication of FI955761A0 publication Critical patent/FI955761A0/fi
Priority to NL1004650A priority patent/NL1004650C2/nl
Publication of FI955761A publication Critical patent/FI955761A/fi
Application granted granted Critical
Publication of FI101787B1 publication Critical patent/FI101787B1/fi
Publication of FI101787B publication Critical patent/FI101787B/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/002—High gradient magnetic separation
    • 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
    • C01F11/46—Sulfates
    • C01F11/468—Purification of calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FI955761A 1995-11-29 1995-11-29 Kipsin puhdistusmenetelmä FI101787B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI955761A FI101787B (fi) 1995-11-29 1995-11-29 Kipsin puhdistusmenetelmä
NL1004650A NL1004650C2 (nl) 1995-11-29 1996-11-29 Werkwijze voor het zuiveren van gips.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI955761 1995-11-29
FI955761A FI101787B (fi) 1995-11-29 1995-11-29 Kipsin puhdistusmenetelmä

Publications (4)

Publication Number Publication Date
FI955761A0 true FI955761A0 (fi) 1995-11-29
FI955761A FI955761A (fi) 1997-05-30
FI101787B1 FI101787B1 (fi) 1998-08-31
FI101787B FI101787B (fi) 1998-08-31

Family

ID=8544461

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955761A FI101787B (fi) 1995-11-29 1995-11-29 Kipsin puhdistusmenetelmä

Country Status (2)

Country Link
FI (1) FI101787B (fi)
NL (1) NL1004650C2 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI120819B (fi) * 2008-04-09 2010-03-31 Kemira Oyj Menetelmä kipsin puhdistamiseksi
FI125550B (fi) 2013-11-22 2015-11-30 Teknologian Tutkimuskeskus Vtt Oy Menetelmä harvinaisten maametallien talteenottamiseksi jätesulfaateista

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2695678B2 (ja) * 1990-06-20 1998-01-14 三菱重工業株式会社 排煙脱硫方法

Also Published As

Publication number Publication date
NL1004650A1 (nl) 1997-06-17
FI101787B1 (fi) 1998-08-31
FI101787B (fi) 1998-08-31
FI955761A (fi) 1997-05-30
NL1004650C2 (nl) 1998-12-08

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Legal Events

Date Code Title Description
MM Patent lapsed