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Online analyzer ideal for blending fuels

March 18, 2009
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The online analyzer is an ideal instrument for sulfur measurement of crude and other highly viscous hydrocarbons, including bunker fuels, residual fuel oils and heavy hydrocarbons. The versatile instrument has been installed at refineries, pipelines, blending operations, terminals and other storage facilities. Applications include bunker fuel blending to meet MARPOL Annex VI sulfur restrictions, interface detection of different grade fuels delivered via pipelines, and the monitoring of crude and blended fuels at remote storage facilities. The new system is faster, more sensitive and more compact than competitive systems and provides continuous, reliable detection of sulfur at pressures up to 800 psig, according to the manufacturer. It can operate either as a stand-alone analyzer or can be tied in to plant wide automation systems to provide real-time strategic measurements. The analyzer is especially suited for processes involving high sample pressures or where the fouling of flow cells from paraffin and similar substances may occur. It relies on X-ray Transmission/ Absorption (XRT/XRA) measurement and features a large diameter flow cell that further reduces interferences. Among its other features are a fully integrated densitometer, automatic density compensation, password-protected screens, and rapid update rates as frequent as one per second. An integral processor regulates operation of the analyzer. The processor monitors and controls important instrument parameters, such as process temperature, density and system diagnostics.
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