Take process control to a new level

Article Abstract:

Enhanced process data, expanded view of the process, easier predictive maintenance, improved plant safety, reduced wiring and installation costs and simplified system expansion are some of the advantages of implementing fieldbus-based control schemes in chemical process industries. On the other hand, chemical companies that plan to use Foundation fieldbus must consider a number of issues. Among these are integration with current control schemes; amount of control functionality to be moved to the field; reuse of plant wiring and components; and intrinsic safety requirements.

United States, Production management

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Supercritical process eases chemical purification

Article Abstract:

Researchers at the Supercritical Technology Research Group at VTT Chemical Technology in Helsinki, Finland, have developed a new industrial-scale supercritical fluid chromatograph (SFC) process for the purification of fine chemicals and pharmaceuticals. A major advantage of SFC is the elimination of organic liquid eluents, which use large quantities of flammable and toxic organic solvents. The novel process is already being used to make cyclosporin, using supercritical CO2 as the eluent.

Finland

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Achema showcases process technology

Article Abstract:

Among the highlights at the Achema 2000, held in Frankfurt, Germany, in May 2000, were the new and innovative chemical processing technologies. One such process that has been given emphasis due to growing concerns on environmental protection is sulfur removal. Other important processes include those used for recycling consumer waste products and for developing catalysts.

Germany

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