Recovery of aluminum from ethylene telomer product

Details Recovery of aluminum from ethylene telomer product Recovery of aluminum from ethylene telomer product

1976-06-25

1977-05-10

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26068315R, C07C 1102

Patent

active

040228398

ABSTRACT:
When ethylene is telomerized to produce alpha-olefins in the presence of an organo-aluminum catalyst, the aluminum catalyst is present in the normally liquid alpha-olefin product and must be removed prior to distillation of that product. This removal is accomplished in two zones. Water is added to the alpha-olefin product containing the organo-aluminum catalyst in a first zone to produce an aqueous phase containing a suspension of aluminum hydroxide and an organic phase containing the alpha-olefins. After removal of the organic phase, a sufficient amount of an aqueous solution of a polyacrylamide in anionic form is added to the aqueous phase to result in at least 90 percent of the aluminum hydroxide settling in a time period of less than ten minutes at ambient conditions.

REFERENCES:
patent: 3637885 (1972-01-01), McClaflin
patent: 3696161 (1972-10-01), Kobetz et al.

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