ES8405731A1 - Procedimiento de obtencion de trihidroxido de aluminio de diametro mediano regulado a peticion - Google Patents

Procedimiento de obtencion de trihidroxido de aluminio de diametro mediano regulado a peticion

Info

Publication number
ES8405731A1
ES8405731A1 ES526555A ES526555A ES8405731A1 ES 8405731 A1 ES8405731 A1 ES 8405731A1 ES 526555 A ES526555 A ES 526555A ES 526555 A ES526555 A ES 526555A ES 8405731 A1 ES8405731 A1 ES 8405731A1
Authority
ES
Spain
Prior art keywords
aluminium trihydroxide
trihydroxide
sodium aluminate
aluminium
mean diameter
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.)
Expired
Application number
ES526555A
Other languages
English (en)
Other versions
ES526555A0 (es
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.)
Rio Tinto France SAS
Original Assignee
Aluminium Pechiney SA
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 Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Publication of ES526555A0 publication Critical patent/ES526555A0/es
Publication of ES8405731A1 publication Critical patent/ES8405731A1/es
Expired legal-status Critical Current

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)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE TRIHIDROXIDO DE ALUMINIO DE DIAMETRO MEDIANO REGULADO A PETICION EN EL INTERVALO COMPRENDIDO ENTRE 2 Y 100 MICRAS, DE DISTRIBUCION UNIMODAL Y PEQUEÑA DISPERSION.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, EL TRIHIDROXIDO DE ALUMINIO SE SOMETE A MOLIENDA; SEGUNDA, SE INTRODUCE EL TRIHIDROXIDO DE ALUMINIO MOLIDO EN UNA FRACCION CALIENTE DE UNA SOLUCION SOBRESATURADA DE ALUMINATO SODICO Y SE AGITA LA SUSPENSION FORMADA DURANTE UN TIEMPO SUFICIENTE PARA OBTENER UNA PRECIPITACION DE AL MENOS UN 10 EN PESO DE ALUMINA, EN FORMADE PARTICULAS DE TRIHIDROXIDO DE ALUMINIO; Y POR ULTIMO, SE EFECTUA LA DESCOMPOSICION DE LA FRACCION RESTANTE DE LA SOLUCION SOBRESATURADA DE ALUMINATO SODICO EN PRESENCIA DE LA ALUMINA DEPOSITADA.
ES526555A 1982-10-20 1983-10-19 Procedimiento de obtencion de trihidroxido de aluminio de diametro mediano regulado a peticion Expired ES8405731A1 (es)

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
ES526555A0 ES526555A0 (es) 1984-06-16
ES8405731A1 true ES8405731A1 (es) 1984-06-16

Family

ID=9278624

Family Applications (1)

Application Number Title Priority Date Filing Date
ES526555A Expired ES8405731A1 (es) 1982-10-20 1983-10-19 Procedimiento de obtencion de trihidroxido de aluminio de diametro mediano regulado a peticion

Country Status (24)

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

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
GB8803328D0 (en) * 1988-02-12 1988-03-09 Alcan Int Ltd Alumina hydrates
GB8803329D0 (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
EP1567450B1 (en) * 2002-12-05 2008-08-20 Showa Denko K.K. Aluminum hydroxide and method for production thereof
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
YU44171B (en) 1990-02-28
DE3338169C2 (es) 1988-07-14
NO842282L (no) 1984-06-06
MX159575A (es) 1989-07-06
OA07569A (fr) 1985-03-31
ES526555A0 (es) 1984-06-16
WO1984001568A1 (fr) 1984-04-26
GB2130191B (en) 1986-03-12
AU2075683A (en) 1984-05-04
CA1191666A (fr) 1985-08-13
GB2130191A (en) 1984-05-31
NL8303591A (nl) 1984-05-16
IT8323384A0 (it) 1983-10-20
GR82385B (es) 1984-12-13
DE3338169A1 (de) 1984-04-26
IT1169863B (it) 1987-06-03
GB8327988D0 (en) 1983-11-23
FR2534898B1 (fr) 1985-07-19
ZA837792B (en) 1984-06-27
AU559385B2 (en) 1987-03-05
IN161602B (es) 1988-01-02
PH18528A (en) 1985-08-02
US4582697A (en) 1986-04-15
YU208683A (en) 1985-10-31
IE56091B1 (en) 1991-04-10
JPS59501902A (ja) 1984-11-15
HU187981B (en) 1986-03-28
BR8307567A (pt) 1984-08-28
FR2534898A1 (fr) 1984-04-27
NZ205956A (en) 1986-11-12
CH657137A5 (fr) 1986-08-15
IE832455L (en) 1984-04-20

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