Naphthenic acid removal process

Details Naphthenic acid removal process Naphthenic acid removal process

2008-09-25

2009-08-18

Barry, Chester T (Department: 1797)

Liquid purification or separation

Processes

Ion exchange or selective sorption

C210S909000, C210S912000

Reexamination Certificate

active

07575689

ABSTRACT:
A process for removing naphthenic acids from an aqueous stream using a composition comprising calcium and activated carbon, and optionally a process for removing naphthenic acid and selenium compounds from an aqueous stream, is disclosed.

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patent: 2009/0057236 (2009-03-01), Sanchez et al.

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