Process for charging dry terephthalic acid into a reactor
AssigneeThe Goodyear Tire & Rubber Company
InventorLawrence E. Shelley
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Abstract
This invention concerns a method of charging dry terephthalic acid into a reactor which may contain glycol and be under elevated pressure and elevated temperature. According to the invention a suspension of terephthalic acid in a gas such as nitrogen is formed and this suspension is charged into the reactor.
Claims3
In a continuous process for reacting terephthalic acid with liquid glycol in an esterification reaction vessel maintained at elevated temperatures and pressures the improvement which comprises forming a suspension of solid particulate terephthalic acid in nitrogen gas, maintaining said suspension under pressure and charging said suspension into said reaction vessel to which liquid glycol is being charged separately.
Dependencies are inferred from the claim text.