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- W204279994 abstract "The installation of a Honeywell Inc. TDC 2000 system on the HF alkylation unit at the Farmland Industries Inc., CRA Inc. Phillipsburg, Kansas, refinery has improved the consistency of product quality, smoothed operations, and reduced the consumption and loss of purchased isobutane feed compared with the electronic instrumentation previously used. The TDC 2000 in use employs 35 control loops, files with millivolt to current transducer auxiliaries, a single-screen color central operating station, an alarm annunciator panel, 8 multipen recorders, and complete battery backup. Control of the alkylation unit is divided into six control groups with up to eight specific measurements of control points in each group, and provides, e.g., temperatures set to within 0.1/sup 0/ vs. 2/sup 0/ or more for the previous controls. Additional TDC 2000 equipment has been installed to control the crude oil process unit heaters, and thus increase combustion efficiency and reduce stack emissions to EPA standards. Eventual extension to the entire refinery is planned." @default.
- W204279994 created "2016-06-24" @default.
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- W204279994 date "1979-02-12" @default.
- W204279994 modified "2023-09-26" @default.
- W204279994 title "Process controller improves alkylation unit operations" @default.
- W204279994 hasPublicationYear "1979" @default.
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