AU624722B2 - A process for the calcination of filter cakes in directly heated rotary kilns - Google Patents

A process for the calcination of filter cakes in directly heated rotary kilns Download PDF

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Publication number
AU624722B2
AU624722B2 AU57877/90A AU5787790A AU624722B2 AU 624722 B2 AU624722 B2 AU 624722B2 AU 57877/90 A AU57877/90 A AU 57877/90A AU 5787790 A AU5787790 A AU 5787790A AU 624722 B2 AU624722 B2 AU 624722B2
Authority
AU
Australia
Prior art keywords
filter cake
process according
directly heated
weight
filter
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.)
Ceased
Application number
AU57877/90A
Other languages
English (en)
Other versions
AU5787790A (en
Inventor
Peter Beumer
Rolf Michael Braun
Bernd-Michael Holle
Jurgen Kischkewitz
Hilmar Rieck
Gerhard Wiederhoft
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.)
Bayer AG
Original Assignee
Bayer AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6383832&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU624722(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG filed Critical Bayer AG
Publication of AU5787790A publication Critical patent/AU5787790A/en
Application granted granted Critical
Publication of AU624722B2 publication Critical patent/AU624722B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3615—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C1/363—Drying, calcination
    • 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
    • C01G23/08—Drying; Calcining ; After treatment of titanium oxide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/22—Compounds of iron
    • C09C1/24—Oxides of iron
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C3/043—Drying, calcination
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Processing Of Solid Wastes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
AU57877/90A 1989-06-29 1990-06-26 A process for the calcination of filter cakes in directly heated rotary kilns Ceased AU624722B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3921262 1989-06-29
DE3921262A DE3921262C1 (US20030220297A1-20031127-C00033.png) 1989-06-29 1989-06-29

Publications (2)

Publication Number Publication Date
AU5787790A AU5787790A (en) 1991-01-03
AU624722B2 true AU624722B2 (en) 1992-06-18

Family

ID=6383832

Family Applications (1)

Application Number Title Priority Date Filing Date
AU57877/90A Ceased AU624722B2 (en) 1989-06-29 1990-06-26 A process for the calcination of filter cakes in directly heated rotary kilns

Country Status (11)

Country Link
US (1) US5174817A (US20030220297A1-20031127-C00033.png)
EP (1) EP0406605B1 (US20030220297A1-20031127-C00033.png)
JP (1) JPH0339393A (US20030220297A1-20031127-C00033.png)
AU (1) AU624722B2 (US20030220297A1-20031127-C00033.png)
BR (1) BR9003057A (US20030220297A1-20031127-C00033.png)
CA (1) CA2020013A1 (US20030220297A1-20031127-C00033.png)
DE (2) DE3921262C1 (US20030220297A1-20031127-C00033.png)
ES (1) ES2041078T3 (US20030220297A1-20031127-C00033.png)
FI (1) FI98625C (US20030220297A1-20031127-C00033.png)
NO (1) NO177964C (US20030220297A1-20031127-C00033.png)
ZA (1) ZA905041B (US20030220297A1-20031127-C00033.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0664498B2 (ja) * 1988-08-30 1994-08-22 三洋電機株式会社 広面積電気暖房器
DE19800881A1 (de) * 1998-01-13 1999-07-15 Metallgesellschaft Ag Verfahren zur Herstellung von TiO¶2¶ nach dem Sulfatverfahren
WO2006038236A1 (en) * 2004-10-07 2006-04-13 Colorobbia Italia S.P.A. Powder calcination process
CN115851000A (zh) * 2022-12-06 2023-03-28 龙佰禄丰钛业有限公司 一种促触变进行钛白滤饼干燥的方法及其装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU502526B2 (en) * 1975-05-16 1979-07-26 F.L. Smidth & Co A/S Calcination method and kiln
GB2213497A (en) * 1987-12-10 1989-08-16 British Gas Plc Preparation of coal fines for pelletisation
AU4034489A (en) * 1988-11-14 1990-06-12 Georgia Kaolin Company, Inc. Calcining clay

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336104A (en) * 1963-12-13 1967-08-15 Intermountain Res & Dev Corp Continuous recycle heating process for the production of soda ash and alkali metal phosphates
GB1426925A (en) * 1973-06-04 1976-03-03 British Steel Corp Production of hard titania
DE2423983C3 (de) * 1974-05-17 1978-09-07 Bayer Antwerpen N.V., Antwerpen (Belgien) Verfahren zum Aufbereiten wäßriger Titandioxidhydrat-Suspensionen durch Druckfiltration
US3968742A (en) * 1974-07-30 1976-07-13 E. I. Du Pont De Nemours And Company Process for the concentration of pigment press cake
US4427451A (en) * 1981-09-17 1984-01-24 E. I. Du Pont De Nemours And Company Preparation concentrated TiO2 slurries from spent steam
US4717559A (en) * 1986-06-03 1988-01-05 E.C.C. America Inc. Kaolin calciner waste heat and feed recovery system and method
US4929579A (en) * 1988-06-29 1990-05-29 Premier Refractories & Chemicals Inc. Method of manufacturing cast fused silica articles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU502526B2 (en) * 1975-05-16 1979-07-26 F.L. Smidth & Co A/S Calcination method and kiln
GB2213497A (en) * 1987-12-10 1989-08-16 British Gas Plc Preparation of coal fines for pelletisation
AU4034489A (en) * 1988-11-14 1990-06-12 Georgia Kaolin Company, Inc. Calcining clay

Also Published As

Publication number Publication date
AU5787790A (en) 1991-01-03
NO177964B (no) 1995-09-18
NO902647L (no) 1991-01-02
CA2020013A1 (en) 1990-12-30
BR9003057A (pt) 1991-08-27
DE3921262C1 (US20030220297A1-20031127-C00033.png) 1990-07-05
EP0406605A1 (de) 1991-01-09
FI98625B (fi) 1997-04-15
EP0406605B1 (de) 1993-04-21
NO902647D0 (no) 1990-06-14
US5174817A (en) 1992-12-29
ES2041078T3 (es) 1993-11-01
JPH0339393A (ja) 1991-02-20
FI903245A0 (fi) 1990-06-27
ZA905041B (en) 1991-05-29
DE59001236D1 (de) 1993-05-27
NO177964C (no) 1995-12-27
FI98625C (fi) 1997-07-25

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