Synthetic, macroporous, amorphous alumina silica and a process f

Details Synthetic, macroporous, amorphous alumina silica and a process f Synthetic, macroporous, amorphous alumina silica and a process f

1989-12-22

1992-01-07

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Silicon containing or process of making

502263, B01J 2016, B01J 2112

Patent

active

050792083

ABSTRACT:
Alumina silicas for refining glyceride oils having a surface area of at least 150 m.sup.2 /g and a pore volume of 0.6 ml/g in pores having a pore diameter of about 4-20 nm, exhibiting a phosphorous removal capacity of more than 100 ppm P/1% in combination with a sufficient bleaching activity. These silicas should be prepared at temperatures for the acid treatment, hydrogel treatment, and alumina silica formation of 35.degree.-55.degree. C.

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patent: 3650989 (1972-03-01), Hindin et al.
patent: 4049686 (1977-09-01), Ringers et al.
patent: 4629588 (1986-12-01), Welsh
patent: 4880574 (1989-11-01), Welsh
patent: 4959338 (1990-09-01), Miura et al.

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