Process for treating an aqueous medium containing phosphate,...

Details Process for treating an aqueous medium containing phosphate,... Process for treating an aqueous medium containing phosphate,...

2007-12-18

2007-12-18

Eyler, Yvonne (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

Reexamination Certificate

active

10479191

ABSTRACT:
The invention relates to a process for treating an aqueous medium containing (i) phosphate and (ii) cyclohexanone and/or cyclohexanone oxime, said process comprising:feeding the aqueous medium to a stripping zone; passing steam through the aqueous medium in the stripping zone; anddischarging a vapor stream from said stripping zone;wherein the joint content cyclohexanone and cyclohexanone oxime in the aqueous medium entering the stripping zone is less than 0.08 wt. %.

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