Process for producing pseudo-boehmite

Details Process for producing pseudo-boehmite Process for producing pseudo-boehmite

1976-12-17

1978-10-17

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423630, 252463, 106288B, C01F 702, C01F 734

Patent

active

041209435

ABSTRACT:
Pseudo-boehmite having a bulk density of about 0.05 to 0.2 g/cc, an oil absorption of about 2.5 to 6.0 cc/g, a pore volume of about 2.0 to 7.0 cc/g over a pore diameter range of 176.mu. to 0.0035.mu. and a specific surface area of about 200 to 500 m.sup.2 /g, and a process for producing the same; useful as a filler, an absorbent, a catalyst, a filtering agent and a base material for composites; prepared by mixing alkali aluminate and halohydrin together at a low temperature, heating for reaction the resulting mixture, cooling the reacting solution, separating the resulting precipitate by filtration and, if desired subjecting the precipitate to washing with an organic solvent followed by drying.

REFERENCES:
patent: 1951718 (1934-03-01), Ziese et al.
patent: 3025132 (1962-03-01), Innes
patent: 3124418 (1964-03-01), Malley et al.
patent: 3133029 (1964-05-01), Hoekstra
patent: 3352636 (1967-11-01), Wilson et al.
patent: 3630670 (1971-12-01), Bell et al.
patent: 3739062 (1973-06-01), Barsotti
patent: 3773691 (1973-11-01), Leach
patent: 3864461 (1975-02-01), Miller et al.
patent: 3981979 (1976-09-01), Brarthwaite et al.

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