FI905221A - Rengoeringsfoerfarande. - Google Patents

Rengoeringsfoerfarande. Download PDF

Info

Publication number
FI905221A
FI905221A FI905221A FI905221A FI905221A FI 905221 A FI905221 A FI 905221A FI 905221 A FI905221 A FI 905221A FI 905221 A FI905221 A FI 905221A FI 905221 A FI905221 A FI 905221A
Authority
FI
Finland
Prior art keywords
rengoeringsfoerfarande
Prior art date
Application number
FI905221A
Other languages
English (en)
Other versions
FI89901C (fi
FI89901B (fi
FI905221A0 (fi
Inventor
Pekka Lammi
Olli Konstari
Original Assignee
Kemira 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 Oy filed Critical Kemira Oy
Priority to FI905221A priority Critical patent/FI89901C/fi
Publication of FI905221A0 publication Critical patent/FI905221A0/fi
Priority to FR9112115A priority patent/FR2668141B1/fr
Priority to DE19914132843 priority patent/DE4132843A1/de
Priority to ES9102261A priority patent/ES2039151B1/es
Priority to GB9122347A priority patent/GB2249086B/en
Publication of FI905221A publication Critical patent/FI905221A/fi
Application granted granted Critical
Publication of FI89901B publication Critical patent/FI89901B/fi
Publication of FI89901C publication Critical patent/FI89901C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
    • C22B34/124—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors
    • C22B34/125—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors containing a sulfur ion as active agent
FI905221A 1990-10-23 1990-10-23 Reningsfoerfarande FI89901C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI905221A FI89901C (fi) 1990-10-23 1990-10-23 Reningsfoerfarande
FR9112115A FR2668141B1 (fr) 1990-10-23 1991-10-02 Procede de purification d'eaux residuaires produites lors de la preparation de tio2, et procede de preparation de tio2 mettant en óoeuvre un tel procede de purification.
DE19914132843 DE4132843A1 (de) 1990-10-23 1991-10-02 Reinigungsverfahren
ES9102261A ES2039151B1 (es) 1990-10-23 1991-10-14 Metodo de depuracion de las soluciones efluentes de los procesos de fabricacion de dioxido de titanio.
GB9122347A GB2249086B (en) 1990-10-23 1991-10-22 Concentrating sulphuric acid containing effluents produced in the manufacture of titanium dioxide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI905221 1990-10-23
FI905221A FI89901C (fi) 1990-10-23 1990-10-23 Reningsfoerfarande

Publications (4)

Publication Number Publication Date
FI905221A0 FI905221A0 (fi) 1990-10-23
FI905221A true FI905221A (fi) 1992-04-24
FI89901B FI89901B (fi) 1993-08-31
FI89901C FI89901C (fi) 1993-12-10

Family

ID=8531290

Family Applications (1)

Application Number Title Priority Date Filing Date
FI905221A FI89901C (fi) 1990-10-23 1990-10-23 Reningsfoerfarande

Country Status (5)

Country Link
DE (1) DE4132843A1 (fi)
ES (1) ES2039151B1 (fi)
FI (1) FI89901C (fi)
FR (1) FR2668141B1 (fi)
GB (1) GB2249086B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104692456A (zh) * 2015-01-09 2015-06-10 上海安赐机械设备有限公司 一种绿色环保硫酸法钛白粉生产装置以及工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2352701A1 (de) * 1973-10-20 1975-06-12 Hoechst Ag Verfahren zum aufkonzentrieren salzhaltiger, verduennter schwefelsaeure
DE2630196A1 (de) * 1976-07-05 1978-01-19 Bayer Ag Verfahren zur herstellung von schwefelsaeure aus abfallsaeure und eisensulfat
DE3327769A1 (de) * 1983-08-02 1985-02-14 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von duennsaeuren
DE3513120A1 (de) * 1985-04-12 1986-10-23 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von titandioxid
DE3912554C1 (fi) * 1989-04-17 1990-07-12 Bayer Ag, 5090 Leverkusen, De

Also Published As

Publication number Publication date
FI89901C (fi) 1993-12-10
ES2039151A1 (es) 1993-08-16
FI89901B (fi) 1993-08-31
GB2249086A (en) 1992-04-29
DE4132843A1 (de) 1992-04-30
GB2249086B (en) 1994-10-12
ES2039151B1 (es) 1994-03-16
FI905221A0 (fi) 1990-10-23
FR2668141B1 (fr) 1994-04-08
FR2668141A1 (fr) 1992-04-24
GB9122347D0 (en) 1991-12-04

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: KEMIRA OY