GB828728A - Production of active oxides of large specific surface area - Google Patents

Production of active oxides of large specific surface area

Info

Publication number
GB828728A
GB828728A GB36422/56A GB3642256A GB828728A GB 828728 A GB828728 A GB 828728A GB 36422/56 A GB36422/56 A GB 36422/56A GB 3642256 A GB3642256 A GB 3642256A GB 828728 A GB828728 A GB 828728A
Authority
GB
United Kingdom
Prior art keywords
surface area
specific surface
methanol
dissolved
salt
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
GB36422/56A
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.)
National Research Council of Canada
Original Assignee
National Research Council of Canada
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 National Research Council of Canada filed Critical National Research Council of Canada
Publication of GB828728A publication Critical patent/GB828728A/en
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
    • C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Catalysts (AREA)

Abstract

Active oxides of large specific surface area, i.e. a surface area greater than 10 m.2/gm., are obtained by reacting a salt of the appropriate metal in solution in a non-aqueous solvent, with a base at a temperature below the boiling point of the solvent, there being available in the reaction mixture at least x but not more than 5x molecules of water per salt cation, where x is the valency of the cation. The desired active oxide is obtained as a precipitate. The water may be water of hydration of the salt, and the solvent may be methanol or acetone. The base is preferably anhydrous ammonia, although other bases, such as sodium hydroxide, potassium hydroxide, pyridine, and aniline, may also be used. The reaction is preferably carried out between 0 DEG C. and 10 DEG C. Cations specified are iron, chromium, manganese, nickel, cobalt, titanium, vanadium, molybdenum, copper, zinc, magnesium and aluminium. In an example, aluminium trichloride hexahydrate was dissolved in methanol, and ammonia gas was passed into the solution, the temperature being maintained at 0 DEG C. The precipitate was washed with methanol to remove any ammonium chloride. The product was a hydrated alumina Al2O3 3.4 H2O, with a specific surface area of 600 m.2/gm. In other examples, nickel chloride was dissolved in methanol and treated with potassium hydroxide to give hydrated nickel oxide of specific surface area 350 m.2/gm. and ferric nitrate was dissolved in acetone and treated with ammonia gas to give hydrated ferric oxide of specific surface area 300 m.2/gm.
GB36422/56A 1955-12-13 1956-11-28 Production of active oxides of large specific surface area Expired GB828728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US828728XA 1955-12-13 1955-12-13

Publications (1)

Publication Number Publication Date
GB828728A true GB828728A (en) 1960-02-24

Family

ID=22173985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36422/56A Expired GB828728A (en) 1955-12-13 1956-11-28 Production of active oxides of large specific surface area

Country Status (1)

Country Link
GB (1) GB828728A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131782A (en) * 1982-11-25 1984-06-27 Atomic Energy Authority Uk Peptisable alumina
WO1994004263A1 (en) * 1992-08-18 1994-03-03 Worcester Polytechnic Institute Preparation of solid state materials
US5417956A (en) * 1992-08-18 1995-05-23 Worcester Polytechnic Institute Preparation of nanophase solid state materials

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131782A (en) * 1982-11-25 1984-06-27 Atomic Energy Authority Uk Peptisable alumina
WO1994004263A1 (en) * 1992-08-18 1994-03-03 Worcester Polytechnic Institute Preparation of solid state materials
US5417956A (en) * 1992-08-18 1995-05-23 Worcester Polytechnic Institute Preparation of nanophase solid state materials
US5466646A (en) * 1992-08-18 1995-11-14 Worcester Polytechnic Institute Process for the preparation of solid state materials and said materials

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