BR9003057A - Processo para calcinacao de tortas de filtracao em um forno tubular rotativo diretamente aquecido,solido inorganico e dioxido de titanio - Google Patents

Processo para calcinacao de tortas de filtracao em um forno tubular rotativo diretamente aquecido,solido inorganico e dioxido de titanio

Info

Publication number
BR9003057A
BR9003057A BR909003057A BR9003057A BR9003057A BR 9003057 A BR9003057 A BR 9003057A BR 909003057 A BR909003057 A BR 909003057A BR 9003057 A BR9003057 A BR 9003057A BR 9003057 A BR9003057 A BR 9003057A
Authority
BR
Brazil
Prior art keywords
pies
calcination
filtration
titanium dioxide
inorganic solid
Prior art date
Application number
BR909003057A
Other languages
English (en)
Portuguese (pt)
Inventor
Bernd-Michael Holle
Peter Beumer
Rolf Michael Braun
Hilmar Rieck
Juergen Kischkewitz
Gerhard Wiederhoeft
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=BR9003057(A) "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 BR9003057A publication Critical patent/BR9003057A/pt

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)
BR909003057A 1989-06-29 1990-06-29 Processo para calcinacao de tortas de filtracao em um forno tubular rotativo diretamente aquecido,solido inorganico e dioxido de titanio BR9003057A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9003057A true BR9003057A (pt) 1991-08-27

Family

ID=6383832

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909003057A BR9003057A (pt) 1989-06-29 1990-06-29 Processo para calcinacao de tortas de filtracao em um forno tubular rotativo diretamente aquecido,solido inorganico e dioxido de titanio

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

Family Cites Families (10)

* 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
GB1473034A (en) * 1975-05-16 1977-05-11 Smidth & Co As F L Burning of pulverous or granular raw materials
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
GB2213497A (en) * 1987-12-10 1989-08-16 British Gas Plc Preparation of coal fines for pelletisation
US4929579A (en) * 1988-06-29 1990-05-29 Premier Refractories & Chemicals Inc. Method of manufacturing cast fused silica articles
US4948362A (en) * 1988-11-14 1990-08-14 Georgia Kaolin Company, Inc. Energy conserving process for 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
AU624722B2 (en) 1992-06-18
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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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 29/06/2010