Process for removing heavy metal ash from an aqueous soot suspen

Details Process for removing heavy metal ash from an aqueous soot suspen Process for removing heavy metal ash from an aqueous soot suspen

1983-11-10

1984-08-14

Wyse, Thomas G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210729, 210804, B01D 1102

Patent

active

044655967

ABSTRACT:
The invention relates to a process for removing heavy metal ash from an aqueous soot suspension like that found in the production of synthetic gas through partial gasification of heavy oils. This soot suspension is treated initially in the standard manner with adjuvants suitable for the separation of soot and which are not miscible in water followed by separation of the aqueous phase. The process is characterized by the fact that ash components in the aqueous phase, are brought to a sedimentation stage for settling and are subsequently removed from the water circulation system.

REFERENCES:
patent: 2789083 (1957-04-01), Hardy
patent: 3148140 (1964-09-01), Kaiser et al.
patent: 3694355 (1972-09-01), Visser et al.
patent: 4014786 (1977-03-01), Potter et al.
patent: 4123235 (1978-10-01), Giesen et al.
patent: 4315834 (1982-02-01), Van Deraerschot
Gas-und Wasserfach, 19 (1964), 512ff.

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