Invention Grant
- Patent Title: Terephthalic acid purge filtration rate by controlling % water in filter feed slurry
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Application No.: US12860131Application Date: 2010-08-20
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Publication No.: US09963413B2Publication Date: 2018-05-08
- Inventor: Kenny Randolph Parker , Larry Wayne Blair
- Applicant: Kenny Randolph Parker , Larry Wayne Blair
- Applicant Address: MX San Pedro Garza Garcia
- Assignee: Grupo Petrotemex, S.A. de C.V.
- Current Assignee: Grupo Petrotemex, S.A. de C.V.
- Current Assignee Address: MX San Pedro Garza Garcia
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: C07C51/265
- IPC: C07C51/265 ; C07C51/42 ; C07C51/47

Abstract:
The process relates improving terephthalic acid purge filtration rate by controlling % water in filter feed slurry and to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic acid, while utilizing pressure filtration.
Public/Granted literature
- US20120046493A1 TEREPHTHALIC ACID PURGE FILTRATION RATE BY CONTROLLING % WATER IN FILTER FEED SLURRY Public/Granted day:2012-02-23
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