Recovery of metal components of a catalyst in a process for production of trimellitic acid
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United States of America Patent
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Jun 25, 2002
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N/A
app pub date -
Apr 16, 2001
filing date -
Apr 16, 2001
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Abstract
A process for recovering cobalt and manganese components from a product stream or a residue stream that resulted from a process which employs a catalyst system containing the cobalt and manganese components for oxidizing pseudocumene to trimellitic acid includes the steps of adding a precipitating agent to the product stream or the residue stream in an effective amount to react with the cobalt and manganese components in the product stream or the residue stream.
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