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  1. Trial run of FCCU additive reduces fuel-oil production in heavy feed

    Magazine Articles

    Mon, 28 Aug 2000

    reduced the fluid-catalytic cracking unit ( FCCU ) fuel-oil bottoms yields by about 2 ..... Ecat) laboratory testing and FST data. FCCU catalyst suppliers traditionally suggest ..... much smaller reduction in bottoms yield. FCCU operations The Natref FCCU underwent a

  2. Operational changes fix FCCU catalyst loss problem

    Magazine Articles

    Mon, 7 Aug 2000

    isolated five leaking clusters from its FCCU external cooler. The company successfully ..... during a long period of feed outage for the FCCU and improper operations were the main causes ..... other parameters, Sinopec is running its FCCU at design capacity with five isolated clusters

  1. Refiners have several options to overcome FCCU opacity limitations

    Magazine Articles

    Mon, 11 Jan 1999

    bytes] A fluid-catalytic cracking unit ( FCCU ) operating at or near a stack-opacity ..... contributors. Operational variables Each FCCU operation is unique as a result of differences ..... reasonably constant profile. 3 Operating an FCCU regenerator catalyst bed level above the

  2. FCCU ADVANCED CONTROLS INCREASE FEED RATE AND COLUMN STABILITY

    Magazine Articles

    Mon, 25 Nov 1991

    to the fluid catalytic cracking unit ( FCCU ) at Conoco U.K. Ltd.'s Humber refinery ..... performance over a full year of operation on the FCCU 's vapor recovery unit, main fractionator ..... comprehensive control of the refinery's FCCU . After funding was approved, Setpoint

  3. Use of dry gas, nitrogen improves FCCU reactor pressure control

    Magazine Articles

    Mon, 8 Nov 1999

    during fluid catalytic cracking unit ( FCCU ) start-ups had certain disadvantages ..... parameters during the initial stage of an FCCU start-up. The quality of this control ..... pressure during start-up at its No. 2 FCCU at its Shijiazhuang refinery. Sinopec

  4. FCCU inaugurated at HCPL Mumbai refinery

    Online Articles

    Tue, 19 Apr 2011

    its 132,000 b/d Mumbai refinery alongside a 20,000 b/d FCCU in place (OGJ Online, Apr. 1, 2010). S. Jaipal Reddy, India ..... as well as commissioning services and project management. The FCCU package includes an integrated BELCO flue gas scrubber and a

  5. FCCU ADVANCED CONTROL SYSTEM ACHIEVES 2-MONTH PAYOUT

    Magazine Articles

    Mon, 23 Mar 1992

    on the fluid catalytic cracking unit ( FCCU ) at its Lysekil, Sweden, refinery in ..... implementation of advanced control on its FCCU (Fig. 1). The study-completed in ..... uses a Honeywell TDC 2000 platform for the FCCU 's basic regulatory control system. The

  6. BISMUTH NICKEL PASSIVATION EFFECTIVE IN FCCU

    Magazine Articles

    Mon, 4 Jun 1990

    Inc.'s fluid catalytic cracking unit ( FCCU ) at its Memphis, Tenn., refinery for ..... high nickel content in the feed to the FCCU , at a bismuth quantity equal to, or slightly ..... most of the year, the feed rate to the FCCU is limited by both the air and gas compressors

  7. Alon USA Energy restarts FCCU at Big Spring, Tex., refinery

    Online Articles

    Tue, 30 Sep 2008

    Energy Inc., Dallas, has restarted the 24,000 b/d fluid catalytic cracking unit ( FCCU ) at its 70,000 b/cd refinery in Big Spring, Tex. The FCCU , damaged in a fire on Feb. 18, is operating at planned rates and will enable the sour

  8. PRACTICAL CONTROL STRATEGY ELIMINATES FCCU COMPRESSOR SURGE PROBLEMS

    Magazine Articles

    Tue, 12 Jan 1993

    for the fluid catalytic cracking unit ( FCCU ) compressor at Petroleo Brasileiro SA ..... former surge problems. BACKGROUND The FCCU at the Presidente Bernardes refinery employs ..... the compressor is fed not only from the FCCU reactor, but also from other sources having

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