IT8323384A0 - Procedimento per l'ottenimento di triidrossido di alluminio di diametro medio regolato a richiesta nell'intervallo da 2 a 100 micron. - Google Patents

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

Info

Publication number
IT8323384A0
IT8323384A0 IT8323384A IT2338483A IT8323384A0 IT 8323384 A0 IT8323384 A0 IT 8323384A0 IT 8323384 A IT8323384 A IT 8323384A IT 2338483 A IT2338483 A IT 2338483A IT 8323384 A0 IT8323384 A0 IT 8323384A0
Authority
IT
Italy
Prior art keywords
microns
request
procedure
range
average diameter
Prior art date
Application number
IT8323384A
Other languages
English (en)
Other versions
IT1169863B (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

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Geology (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (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 true IT8323384A0 (it) 1983-10-20
IT1169863B 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 (17)

* 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.
US5306480A (en) * 1986-07-16 1994-04-26 Alcan International Limited Alumina hydrates
GB8617387D0 (en) * 1986-07-16 1986-08-20 Alcan Int Ltd 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
RU2200706C2 (ru) * 2000-05-10 2003-03-20 Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт" Способ переработки алюминатных растворов
DE60323129D1 (de) * 2002-12-05 2008-10-02 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
BR8307567A (pt) 1984-08-28
WO1984001568A1 (fr) 1984-04-26
JPS59501902A (ja) 1984-11-15
GB2130191B (en) 1986-03-12
YU208683A (en) 1985-10-31
CA1191666A (fr) 1985-08-13
YU44171B (en) 1990-02-28
IN161602B (it) 1988-01-02
GR82385B (it) 1984-12-13
IE56091B1 (en) 1991-04-10
ZA837792B (en) 1984-06-27
NL8303591A (nl) 1984-05-16
PH18528A (en) 1985-08-02
IE832455L (en) 1984-04-20
DE3338169C2 (it) 1988-07-14
DE3338169A1 (de) 1984-04-26
MX159575A (es) 1989-07-06
FR2534898A1 (fr) 1984-04-27
ES526555A0 (es) 1984-06-16
CH657137A5 (fr) 1986-08-15
US4582697A (en) 1986-04-15
IT1169863B (it) 1987-06-03
GB2130191A (en) 1984-05-31
AU559385B2 (en) 1987-03-05
NO842282L (no) 1984-06-06
ES8405731A1 (es) 1984-06-16
NZ205956A (en) 1986-11-12
HU187981B (en) 1986-03-28
OA07569A (fr) 1985-03-31
FR2534898B1 (fr) 1985-07-19
GB8327988D0 (en) 1983-11-23
AU2075683A (en) 1984-05-04

Similar Documents

Publication Publication Date Title
IT8323384A0 (it) Procedimento per l'ottenimento di triidrossido di alluminio di diametro medio regolato a richiesta nell'intervallo da 2 a 100 micron.
IT8224641A0 (it) Procedimento per la formazione di caratteristiche d'ordine sub-micron in dispositivi a semiconduttori.
IT8423568A0 (it) Procedimento per la preparazione di vagli molecolari con l'uso di stampi imidazolici.
IT1191068B (it) Procedimento per la preparazione di alfa-allumina povera di alcali per scopi ceramici
FR2528187B1 (fr) Dispositif pour la transmission d'un faisceau energetique
IT1209974B (it) Impiego di polimeri nella precipitazione dell'allumina nel procedimento bayer per l'arricchimento della bauxite
FR2597453B1 (fr) Dispositif pour le transfert d'objets, notamment de plaques de verre
IT1169851B (it) Procedimento per l'ottenimento di triidrossido di alluminio con diametro medio inferiore a 4 microns, regolato a richiesta
IT8224096A0 (it) Apparecchio per la misura della velocita' di eritrosedimentazione del sangue.
NO902193D0 (no) Fremgangsmaate for fremstilling av en aluminium/strontrium-legering.
IT8347753A0 (it) Dispositivo per l'evacuazione dipersone da edifici di grande altezza in condizioni di emergenza
FR2568976B1 (fr) Dispositif de supportage d'une tuyauterie de faible epaisseur
FR2528599B1 (fr) Appareil pour assurer la securite ayant une fonction operationnelle d'orientation
FR2505463B1 (fr) Dispositif de poursuite pour l'orientation continue de collecteurs solaires
IT1178676B (it) Sostegno o suppoto sull'estremita' anteriore di tettucci per lo meno orientabili di autoveicoli
FR2569321B1 (fr) Transpondeur passif, notamment pour la recherche de personnes victimes d'une avalanche
FR2596271B3 (fr) Dispositif pour la tunnellisation de l'espace retrosternal
IT8123039V0 (it) Dispositivo per l'utilizzazione di radiazioni luminose incidenti su superficie.
BE893450A (fr) Dispositif d'orientation de particules pour la preparation de panneaux de particules
IT1206763B (it) Dispositivo per l'applicazione di un mezzo di separazione.
IT8323010V0 (it) Dispositivo per l'ammorsamento di carichi esterni su aeroplani.
IT1153317B (it) Lega di bronzo all'alluminio multicomposta, al silicio
ITSR910007A0 (it) Verricello per il recupero rapido del "conzo" di superficie.
IT8619905A0 (it) Procedimento ottico per studiare la stabilita' dei sistemi colloidali.
FR2602811B1 (fr) Dispositif pour assurer la mise en place d'elements d'encadrement sur le sol

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730