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25-05-2012

Naftec PX plant nears start-up

Naftec SpA, a subsidiary of Sonatrach, is reported to be nearing mechanical completion of a new paraxylene production plant in Skikda, Algeria. Anticipated to be fully operational later this year, the new facility will help to meet a global increase in paraxylene demand.
 
The new facility will incorporate CrystPXâ„ technology licensed by GTC Technology to recover paraxylene from reformate feedstock, and GT-IsomPXâ„ , a process using ISOXYL® catalyst from Süd-Chemie AG, a subsidiary of Clariant, to isomerize the C8 aromatics into additional paraxylene. GTC has been the only licensor in recent years to provide crystallization technology for equilibrium and concentrated-PX feed streams.
 
The CrystPX technology was derived from an original Arco process, and is offered by GTC as a sublicense from Lyondell Chemical Co., a company of LyondellBasell. The process flow scheme features the latest high efficiency heat integration and process equipment, which makes this a highly competitive alternative to traditional simulated moving bed adsorption systems. GTC Technology also licenses its own standalone adsorption system (AdsorbPX™) and a hybrid adsorption/crystallization system (GT-Hybrid PX™) for very large capacity unit applications, where purity may be compromised by the standalone adsorption systems.  The crystallization technology is especially adept at ensuring high paraxylene purity, and is easily configured to high capacity units. CrystPX has recently been used by two similar projects in Korea.

For more information, please visit www.gtctech.com

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