TREA

Processes or apparatus using separation by rectification

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Industry

  • CPC
  • F25J2200/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE

Current Industry

F25J2200/00Processes or apparatus using separation by rectification

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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