Processes or apparatus using separation by rectification

Industry

  • CPC
  • F25J2200/00
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Sub Industries

F25J2200/02in a single pressure main column system F25J2200/04in a dual pressure main column system F25J2200/06in a classical double column flow-sheet F25J2200/08in a triple pressure main column system F25J2200/10in a quadruple, or more, column or pressure system F25J2200/20in an elevated pressure multiple column system wherein the lowest pressure column is at a pressure well above the minimum pressure needed to overcome pressure drop to reject the products to atmosphere F25J2200/30using a side column in a single pressure column system F25J2200/32using a side column fed by a stream from the high pressure column F25J2200/34using a side column fed by a stream from the low pressure column F25J2200/38using pre-separation or distributed distillation before a main column system F25J2200/40Features relating to the provision of boil-up in the bottom of a column F25J2200/50using multiple (re-)boiler-condensers at different heights of the column F25J2200/52in the high pressure column of a double pressure main column system F25J2200/54in the low pressure column of a double pressure main column system F25J2200/70Refluxing the column with a condensed part of the feed stream F25J2200/72Refluxing the column with at least a part of the totally condensed overhead gas F25J2200/74Refluxing the column with at least a part of the partially condensed overhead gas F25J2200/76Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration cycle F25J2200/78Refluxing the column with a liquid stream originating from an upstream or downstream fractionator column F25J2200/80using integrated mass and heat exchange F25J2200/90Details relating to column internals F25J2200/92Details relating to the feed point F25J2200/94Details relating to the withdrawal point F25J2200/96Dividing wall column

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