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Isothermal Plug Flow Reactor (Coiled Tube Type)


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Isothermal Plug Flow Reactor (Coiled Tube Type)

Isothermal Plug Flow Reactor (Coiled Tube Type)

Technical Description:

 In an ideal Plug Flow Reactor (PFTR) there is no mixing in the direction of flow and complete mixing perpendicular to direction of flow. Concentration of reactants varies along the length of reactor but not in radial direction. In case of a coil turbulence is introduced due to frequent change in direction of flow and presence of secondary flow, so a higher value of reaction rate constant is expected in coil tube type plug flow reactor. This set-up is used to study a non-catalytic homogeneous reaction under iso-thermal condition.

The set up consists of two feed tanks through which two reactants are fed to the reactor. Rota-meters are provided to measure the individual flow of Chemicals. The flow rate can be adjusted by operating the needle valves provided on respective Rota-meter. The compressed air is used for circulation of feed. It is a helical coil tube type reactor kept in a constant temperature water bath to conduct the experiment at various temperatures. Reactants enter at lower end coming out of the top of coil from where samples are collected for analysis. Pressure Regulator, Pressure Gauge and Safety Valve are fitted in the compressed air line.

Technical Specifications:

  • Reactor: Material Stainless Steel, Capacity 0.7 Ltrs. (approx)  (Helical Coiled Tube Type) 
  • Water Bath: Material Stainless Steel, Double wall, insulated with Ceramic Wool. 
  • Heater: Ni-chrome wire Heater 
  • Stirrer (Water Bath): Material SS Impeller and shaft coupled with FHP motor  
  • Feed Tank (2 Nos.): Capacity – 20 Ltrs. 
  • Feed Circulation: By compressed air. 
  • Flow Measurement: Rota-meter 2Nos. one each for Reactants 
  • Piping: Stainless Steel and PVC. 
  • Pressure Regulator: 0-2 Kg/cm2  
  • Pressure Gauge: Bourdon type 0-2 Kg/cm2  
  • Stop Watch: Electronic.
  • The whole set-up is ingeniously designed and schematically arranged on a powder-coated rigid structure.

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Experiment

Learning Objectives/Experiments:

  •   Specifications Reaction study in Iso-thermal Plug Flow Reactor. 
     
  • To determine Reaction Rate Constant and effect of temperature on it.
     
    Required for Operation:
  •  Compressed Air Supply at 2 Bar, 0.5 CFM. 
  • Water supply and drain. 
  •   Electricity-1.5kw, Single.
  •   Instruments, Laboratory wares and Chemicals required for analysis as per the system adopted.