Use of zinc diphenyl as alkylation inhibitor in ligand-complexin

Details Use of zinc diphenyl as alkylation inhibitor in ligand-complexin Use of zinc diphenyl as alkylation inhibitor in ligand-complexin

1980-05-28

1981-12-22

Douglas, Winston A.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

2604381, 585864, C07F 108, C07F 306, C07C 7156

Patent

active

043072623

ABSTRACT:
In processes in which liquid sorbents that are solutions in an aromatic hydrocarbon or halogenated aromatic hydrocarbon of a bimetallic salt complex having the generic formula M.sub.I M.sub.II X.sub.n.Aromatic, wherein M.sub.I is Group I-B metal, M.sub.II is a Group III-A metal, X is halogen, n is the sum of the valences of M.sub.I and M.sub.II, and Aromatic is a monocyclic aromatic hydrocarbon or halogenated aromatic hydrocarbon are used to separate complexible ligands from a gas feedstream that comprises an olefin having 2 or 3 carbon atoms, alkylation of the aromatic hydrocarbon or halogenated aromatic hydrocarbon is inhibited by incorporating in the liquid sorbent a small amount of zinc diphenyl.

REFERENCES:
patent: 3651159 (1972-03-01), Long et al.
patent: 3857869 (1974-12-01), Turnbo
patent: 3868398 (1975-02-01), Kroll et al.
patent: 4014950 (1977-03-01), Keyworth et al.
patent: 4066679 (1978-01-01), Long et al.
patent: 4091045 (1978-05-01), Walker

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