IT1169863B - Procedimento per l'ottenimento di triidrossido di alluminio di diametro medio regolato a richiesta nell'intervallo do 2 a 100 micron - Google Patents

Procedimento per l'ottenimento di triidrossido di alluminio di diametro medio regolato a richiesta nell'intervallo do 2 a 100 micron

Info

Publication number
IT1169863B
IT1169863B IT23384/83A IT2338483A IT1169863B IT 1169863 B IT1169863 B IT 1169863B IT 23384/83 A IT23384/83 A IT 23384/83A IT 2338483 A IT2338483 A IT 2338483A IT 1169863 B IT1169863 B IT 1169863B
Authority
IT
Italy
Prior art keywords
micron
regulated
request
interval
procedure
Prior art date
Application number
IT23384/83A
Other languages
English (en)
Other versions
IT8323384A0 (it
Inventor
Benoit Cristol
Jacques Mordini
Original Assignee
Pechiney Aluminium
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 Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of IT8323384A0 publication Critical patent/IT8323384A0/it
Application granted granted Critical
Publication of IT1169863B publication Critical patent/IT1169863B/it

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
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/26—Aluminium; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • 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
    • 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
    • C01P2006/12—Surface area

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Powder Metallurgy (AREA)
IT23384/83A 1982-10-20 1983-10-20 Procedimento per l'ottenimento di triidrossido di alluminio di diametro medio regolato a richiesta nell'intervallo do 2 a 100 micron IT1169863B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8217954A FR2534898B1 (fr) 1982-10-20 1982-10-20 Procede d'obtention de trihydroxyde d'aluminium de diametre median regle a la demande dans l'intervalle de 2 a 100 microns

Publications (2)

Publication Number Publication Date
IT8323384A0 IT8323384A0 (it) 1983-10-20
IT1169863B true IT1169863B (it) 1987-06-03

Family

ID=9278624

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23384/83A IT1169863B (it) 1982-10-20 1983-10-20 Procedimento per l'ottenimento di triidrossido di alluminio di diametro medio regolato a richiesta nell'intervallo do 2 a 100 micron

Country Status (24)

Country Link
US (1) US4582697A (it)
JP (1) JPS59501902A (it)
AU (1) AU559385B2 (it)
BR (1) BR8307567A (it)
CA (1) CA1191666A (it)
CH (1) CH657137A5 (it)
DE (1) DE3338169A1 (it)
ES (1) ES8405731A1 (it)
FR (1) FR2534898B1 (it)
GB (1) GB2130191B (it)
GR (1) GR82385B (it)
HU (1) HU187981B (it)
IE (1) IE56091B1 (it)
IN (1) IN161602B (it)
IT (1) IT1169863B (it)
MX (1) MX159575A (it)
NL (1) NL8303591A (it)
NO (1) NO842282L (it)
NZ (1) NZ205956A (it)
OA (1) OA07569A (it)
PH (1) PH18528A (it)
WO (1) WO1984001568A1 (it)
YU (1) YU44171B (it)
ZA (1) ZA837792B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2591581B1 (fr) * 1985-12-17 1990-05-25 Pechiney Aluminium Procede d'obtention avec une forte productivite de trihydroxyde d'aluminium, de haute purete et de diametre median inferieur a 4 micrometres, regle a la demande.
GB8617387D0 (en) * 1986-07-16 1986-08-20 Alcan Int Ltd Alumina hydrates
US5306480A (en) * 1986-07-16 1994-04-26 Alcan International Limited Alumina hydrates
US5225229A (en) * 1986-07-18 1993-07-06 Aluminum Company Of America Aluminum hydroxide production
US4822593A (en) * 1986-12-11 1989-04-18 Aluminum Company Of America Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
GB8803329D0 (en) * 1988-02-12 1988-03-09 Alcan Int Ltd Alumina hydrates
GB8803328D0 (en) * 1988-02-12 1988-03-09 Alcan Int Ltd Alumina hydrates
EP0344469A3 (de) * 1988-06-03 1990-06-06 Vereinigte Aluminium-Werke Aktiengesellschaft Verfahren zur Herstellung von grobkörnigen Agglomeraten des Aluminiumhydroxids
US5127950A (en) * 1989-09-14 1992-07-07 Lonza Ltd. Short-prismatic aluminum hydroxide, process for preparing same from supersaturated sodium aluminate-liquor, and compositions containing same
GB9928057D0 (en) * 1999-11-26 2000-01-26 Alcan Int Ltd Toothpaste
GB9928055D0 (en) * 1999-11-26 2000-01-26 Alcan Int Ltd Oral cleansing product
ATE405524T1 (de) * 2002-12-05 2008-09-15 Showa Denko Kk Aluminiumhydroxid und zugehöriges herstellungsverfahren
CN102328944A (zh) * 2011-07-04 2012-01-25 中国铝业股份有限公司 一种连续生产氢氧化铝晶核种子的生产方法
JP6032411B2 (ja) * 2012-10-30 2016-11-30 燐化学工業株式会社 リン酸第二鉄含水和物粒子粉末の製造方法
CN104624130A (zh) * 2015-02-12 2015-05-20 武汉大学 一种制备再生甲壳素微球的方法
CN112960682B (zh) * 2021-03-03 2022-10-11 杭州智华杰科技有限公司 一种提高层析氧化铝再生次数的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1311147A (fr) * 1961-05-06 1962-12-07 Electro Chimie Soc D Procédé de fabrication de l'alumine
FR1525133A (fr) * 1967-02-17 1968-05-17 Pechiney Prod Chimiques Sa Procédé de fabrication industrielle de trihydrate d'alumine
US3649184A (en) * 1969-05-29 1972-03-14 Reynolds Metals Co Precipitation of alumina hydrate
US3838980A (en) * 1972-01-12 1974-10-01 Alcan Res & Dev Precipitation of bayer alumina trihydrate suitable for the manufacture of ceramic grade alumina of improved grindability
CH644332A5 (de) * 1978-11-07 1984-07-31 Alusuisse Verfahren zur herstellung von grobem aluminiumhydroxid.
JPS57140316A (en) * 1981-02-20 1982-08-30 Sumitomo Alum Smelt Co Ltd Manufacture of coarse granular aluminum hydroxide

Also Published As

Publication number Publication date
WO1984001568A1 (fr) 1984-04-26
PH18528A (en) 1985-08-02
NZ205956A (en) 1986-11-12
US4582697A (en) 1986-04-15
ES526555A0 (es) 1984-06-16
OA07569A (fr) 1985-03-31
ZA837792B (en) 1984-06-27
GR82385B (it) 1984-12-13
NO842282L (no) 1984-06-06
HU187981B (en) 1986-03-28
IE832455L (en) 1984-04-20
BR8307567A (pt) 1984-08-28
AU2075683A (en) 1984-05-04
FR2534898B1 (fr) 1985-07-19
CA1191666A (fr) 1985-08-13
ES8405731A1 (es) 1984-06-16
IN161602B (it) 1988-01-02
CH657137A5 (fr) 1986-08-15
MX159575A (es) 1989-07-06
NL8303591A (nl) 1984-05-16
IT8323384A0 (it) 1983-10-20
JPS59501902A (ja) 1984-11-15
IE56091B1 (en) 1991-04-10
YU208683A (en) 1985-10-31
DE3338169A1 (de) 1984-04-26
GB2130191B (en) 1986-03-12
YU44171B (en) 1990-02-28
GB2130191A (en) 1984-05-31
GB8327988D0 (en) 1983-11-23
DE3338169C2 (it) 1988-07-14
FR2534898A1 (fr) 1984-04-27
AU559385B2 (en) 1987-03-05

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730