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  • Users: Abu najad
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  1. Abu najad

    Per pass conversion for second stage in the Hydrocraker unit

    How we can calculate per pass conversion in the Hydrocraker unit?
  2. Abu najad

    Volume of heat exchanger

    How I can calculate the volume of shell and tube heat exchanger?
  3. Abu najad

    Tank inventory calculation

    How I can calculate tank inventory for straight run gas oil, light Coker gas oil and Coker naphtha for DHT unit. Please can you give me example in excel sheet?
  4. Abu najad

    Heater Firing Control

    Which is the more accurate,not hunting and good for turning to control the firing on heater and why? 1.connecting temperature controller with fuel gas controller. 2.connecting temperature controller with low...
  5. Abu najad

    Reciprocating compressor pressure control

    We have three make gas compressor reciprocating type Three stages .it has individual and common spillback we are supplying hydrogen to Hydrocraker from last stage and from second stage to DHT .which is better to to control pressure for both low selector or high selector with spillback and...
  6. Abu najad

    Heaters refractory dry out

    I want guidelines for heaters dry out.How much temperature should be in firebox ?we can do dry out with media (steam,nitrogen and oil) or with out and why?
  7. Abu najad

    Reciprocating compressor pressure control

    We have make up gas compressor reciprocating with three stages and three trains.suction pressure 22 bar and discharge pressure 185 bar It has common and individual spillback.second stage is fed to diesel unit. What is the purpose of individual spillback and how we can control the pressure to...

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