Terephthalic Acid (TPA)-Fiber Grade

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DC Field	Value	Language
dc.date.accessioned	2016-02-21T10:11:53Z	-
dc.date.available	2016-02-21T10:11:53Z	-
dc.date.issued	1979-01	-
dc.identifier.uri	http://hdl.handle.net/123456789/4103	-
dc.description.abstract	Para-xylene and fresh acetic acid are mixed with catalyst and recycled acetic acid. The feed stream is pumped to the top of the oxidation reactor while the air enters through the bottom of the reactor. Temperature and pressure in the reactor are held at 2000C and 14 bar respectively. Reaction time is half to one hour. The reactor products are continuously discharged as a hot slurry into a crystalliser where cooling takes places by flashing off part of acetic acid, unreacted p-xylene and water of reaction _ The slurry is then sent to a centrifuge. The crude TPA is dried and further purified to fibre grade TPA by means of hydrogenation. The liquid from the centrifuge is sent to acetic acid recovery for recycle.	en_US
dc.language.iso	en	en_US
dc.publisher	United Nations Industrial Development Organization	en_US
dc.subject	Terephthalic Acid	en_US
dc.subject	TPA	en_US
dc.subject	Fiber Grade	en_US
dc.title	Terephthalic Acid (TPA)-Fiber Grade	en_US
dc.type	Other	en_US
Appears in Collections:	United Nations Industrial Development Organization

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