Retardation of dispersion of bitumen-in-water emulsions

Details Retardation of dispersion of bitumen-in-water emulsions Retardation of dispersion of bitumen-in-water emulsions

1997-08-12

2000-06-20

Lovering, Richard D.

Fuel and related compositions

Liquid fuels

Emulsion fuel

210923, 210925, 516 27, 516 43, 516102, 516925, 516928, C10L 132, B01J 1300

Patent

active

060773227

ABSTRACT:
Methods and additive compounds for retarding the dispersion in water of bitumen-in-water emulsions, and in particular ORIMULSION, are disclosed. Methods include applied mixing at high speed and changing the pH of the emulsion. Additives include salts and flocculants.

REFERENCES:
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patent: 3383229 (1968-05-01), Conort
patent: 3445258 (1969-05-01), Ferm et al.
patent: 3490237 (1970-01-01), Lissant
patent: 4370170 (1983-01-01), Tolonen et al.
patent: 4455149 (1984-06-01), Satake et al.
patent: 4462840 (1984-07-01), Schilling et al.
patent: 4976745 (1990-12-01), Rodriguez et al.
patent: 5935445 (1999-08-01), Febres
patent: 5935447 (1999-08-01), Febres et al.

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