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2011
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Invention
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Crossflow type filtering operation method using ceramic filter. Provided is a simple filtering op... |
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Invention
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Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in tereph... |
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2007
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Invention
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Process for production of terephthalic acid.
The invention provides a method for producing terep... |
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Invention
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Process for production of terephthalic acid. Disclosed is a process for producing terephthalic ac... |
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Invention
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Method of replacing dispersion medium. A method of replacing the first dispersion medium of a raw... |
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Invention
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Method of crystallization. A method of multistage crystallization which comprises: sending a solu... |
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2004
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Invention
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Method for producing high purity terephthalic acid. A method for producing high purity terephthal... |
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2001
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Invention
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Method of crystallization. A method of crystallization which comprises feeding to a crystallizati... |
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Invention
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Process for recovering crystals from a slurry. A process for recovering crystals from a slurry wh... |
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1998
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Invention
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Process for producing aromatic carboxylic acid. There is disclosed a process for producing an aro... |
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1997
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Invention
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Process for producing highly pure terephthalic acid by use of dispersion medium replacement appar... |
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1996
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Invention
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Process for producing highly pure terephthalic acid. A process for producing highly pure terephth... |
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|
Invention
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Process for producing terephthalic acid. There is disclosed a process for producing terephthalic ... |
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|
Invention
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Process for producing highly pure terephthalic acid. There is disclosed a process for producing h... |
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1995
|
Invention
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Process for producing highly pure terephthalic acid. There are disclosed a method for replacing a... |
