Residual stream upgrading in a propylene oxide-styrene monomer p

Details Residual stream upgrading in a propylene oxide-styrene monomer p Residual stream upgrading in a propylene oxide-styrene monomer p

1993-02-19

1994-01-04

Sneed, Helen M. S.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

From nonhydrocarbon feed

585435, 585437, 585805, 585905, 549523, 549525, 549529, C07C 120

Patent

active

052762351

ABSTRACT:
In the co-production of propylene oxide and styrene monomer, there is produced a sodium-containing heavy residue stream previously suitable only as a low grade fuel. In accordance with the invention, the heavy residue stream is contacted with acid having a molar concentration with respect to water above that which corresponds to the product salt solubility limit, and the resulting mixture is phase separated into an aqueous sodium salt-containing slurry phase and an organic phase reduced in sodium.

REFERENCES:
patent: 3351635 (1967-11-01), Kollar
patent: 3439001 (1969-04-01), Pell et al.
patent: 3819663 (1974-06-01), Levine et al.
patent: 4066706 (1978-01-01), Schmidt
patent: 4093636 (1978-06-01), Bost et al.
patent: 4262143 (1981-04-01), Becker
patent: 4375570 (1983-03-01), Yudovich
patent: 5210354 (1993-05-01), Dubner et al.

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