November 2004

Laboratory/Online Analyzers

NIR analyzer installation in multiple product streams

Using multipurpose instrumentation can save time and money

Smits, R., van Zevenbergen, R., Koch HC Partnership B.V.

All refineries are being pushed to nameplate capacity and beyond, thus enhancing profitability. More attention is given to cost reduction while alternatives are often overlooked. One way to increase revenues is to optimize product yields. This can be accomplished by installing online analyzers. Plant operations are improved by identifying, in real-time, on- and off-spec situations. Traditional online analyzers require direct contact between the product and the measuring cell. Consequently, separate analyzers are needed for each property of each stream, which rapidly increases costs. Also, the detectors require more upkeep as the sample is introduced in the analytical cell. To provide a

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