July 2003

Special Report: Plant Utilities/Heat Transfer

Consider validating process data to develop realistic hydrogen balances

With accurate information, refiners can apply new assessment tools to fine-tune plant networks

Kerkhof, F., Sentjens, J., Jacobs Consultancy Nederland B.V.

Present refinery trends indicate a higher preference to process heavier, sour crudes along with tighter product specifications. Consequently, higher hydrogen consumption is required and may be a potential bottleneck. Refinery hydrogen management (RHM) techniques are analogous to heat-integration/pinch technology. Such methods provide structured analytical techniques to optimize hydrogen usage with an existing network. New analysis methods can be used to maximize hydrogen usage within an existing refinery.a Optimizing hydrogen production/consumption can avoid excessive capital expenditures while complying with more string

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