Invention Grant
US08167974B2 Terephthalic acid purge filtration rate by controlling % water in filter feed slurry
有权
通过控制过滤进料浆中的％水对苯二甲酸清洗过滤速率
- Patent Title: Terephthalic acid purge filtration rate by controlling % water in filter feed slurry
- Patent Title (中): 通过控制过滤进料浆中的％水对苯二甲酸清洗过滤速率
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Application No.: US12860135Application Date: 2010-08-20
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Publication No.: US08167974B2Publication Date: 2012-05-01
- Inventor: Kenny Randolph Parker
- Applicant: Kenny Randolph Parker
- 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, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: C22B3/44
- IPC: C22B3/44
Abstract:
The process relates improving 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
- US20120042752A1 TEREPHTHALIC ACID PURGE FILTRATION RATE BY CONTROLLING % WATER IN FILTER FEED SLURRY Public/Granted day:2012-02-23
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