PTA(Purified Terephthalica Acidum)Processus est a eget productio modum praesertim in petrochemical industria fabricantibus Terephthaalum acidum, quod est a key rudis materia ad producendo Polyethylene TerePhthalate (PE) Plastics et Polyester fibris. PTA processus typice involves sequenti gradibus:
I. oxidatio
- Feedstock: paraxylene (px) adhibetur ut primaria rudis materia.
- reactionem: paraxlene est oxidized coram acetic acidum (solvente) et catalyst system, saepe Cobalt, manganese-bromide.
- Exitus: Hoc reactionem producit rude terephthaalum acidum (cta) et aqua.
II. Crystallization
- Quod rudis productum ex oxidatio gradus est refrigeratum et crystallized.
- CTA solidorum separantur a liquido phase per filtration vel centrifugaci.
III. Hydrogenation (Purification)
- Processus: et rudis TerePhthaalio acid est subiecta ad Hydrogenation step in reactor ut removere impudicitiis ut IV-carboxybenzaldehyde (IV-CBA) et alia per products.
- Catalyst, a Palladii, secundum Catalyst est saepe usus.
- Exitus: Hoc gradum praecessi in altus purificatum Terephthaalum acidum (PTA).
IV. Siccatio
- et purificatus Terephthalica acid est exaruit removere RELICTUM humorem.
V. Packaging / Storage
- Et siccum PTA est packaged et recondita pro distribution.
- Est vel transferri in mole pro industriae usum vel facis in sacculos fretus application.
Applications PTA
- Polyester alimentorum fibra productio: in textilia et vestes.
- Petr resina productio: utilized in faciens utres, cibum packaging et vasis.
- Film vestibulum, propter producendo summus vires films.
InPTAProductio processus est industria-intensive et involves significant potestate super temperatus, pressura et catalyst compositionem ut princeps cedat et puritatem.
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