Recovery of anhydrous dioxane extractively distilled with diols

Details Recovery of anhydrous dioxane extractively distilled with diols Recovery of anhydrous dioxane extractively distilled with diols

1974-05-02

1977-02-08

Yudkoff, Norman

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 14, 203 64, 203 81, 2603406, B01D 300

Patent

active

040070956

ABSTRACT:
Dioxane is produced by reaction of ethylene glycol or a polyethylene glycol using an acid catalyst. The reaction product containing dioxane, water and byproducts is subjected to extractive distillation with a high-boiling agent which is miscible with water.

REFERENCES:
patent: 1681861 (1928-08-01), Knorr et al.
patent: 1879637 (1932-09-01), Reid
patent: 2072101 (1937-03-01), Dreyfus
patent: 2273923 (1942-02-01), Bludworth
patent: 3035060 (1962-05-01), Binning et al.
patent: 3310478 (1967-03-01), Amir
patent: 3584737 (1971-06-01), Gresselmann

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