C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
202/62
C07C 41/42 (2006.01)
Patent
CA 1137439
RECOVERY OF ETHERS (D#76,030-F) ABSTRACT OF THE INVENTION Methyl tertiary butyl ether may be recovered from etherification reaction effluent by azeotropic distillation to recover methanol-ether azeotrope over- head which is water-washed to give pure ether raffinate plus ether-methanol bottoms, the latter being azeotropi- cally distilled to yield ether-methanol overhead which is recycled to water-washing. - I -
318993
Herbstman Sheldon
Rao Babu Y.
Riordan Michael D.
Huntsman Specialty Chemicals Corporation
Smart & Biggar
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