Skikda Aromatics Units.Naftec and ENIP have aromatics units at the Skikda oil refining complex with a capacity to produce: 90,000 t/y of benzenes, about 5,000 t/y of toluenes, 247,000 t/y of xylenes, and 38,000 t/y of paraxylenes. In November 1991, Rollechim Impianti of Italy signed an agreement to set up a JV with ENIP and Naftec. They had a plant built at this complex to produce orthoxylenes, paraxylenes and pthalic anhydrides, with the paraxylenes converted into purified terephthalic acids Terephthalic acid is one isomer of the three phthalic acids. It finds important use as a commodity chemical, principally as a starting compound for the manufacture of polyester (specifically PET), used in clothing and to make plastic bottles. (PTA PTA or parent-teacher association: see parent education. ) for use in polyester polyester, synthetic fiber, produced by the polymerization of the product formed when an alcohol and organic acid react. The outstanding characteristic of polyesters is their ability to resist wrinkling and to spring back into shape when creased. manufacture. The pthalic anhydride anhydride (ănhī`drīd, –drĭd) [Gr.,=without water], chemical compound formed by removing water, H2O, from another compound; the anhydride can also react with water to form the original compound. is used by the paints industry. |
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