RTD Studies In Continuously Stirred Tank Reactor Apparatus

RTD Studies In Continuously Stirred Tank Reactor Apparatus

Real reactors do not satisfy the idealized flow patterns, back mix flow or plug flow deviation from ideality can be due to channeling of fluid through the vessel, recycling of fluid within the vessel, or due to the presence of stagnant region or pockets of fluid in the vessel.


Description

Real reactors do not satisfy the idealized flow patterns, back mix flow or plug flow deviation from ideality can be due to channeling of fluid through the vessel, recycling of fluid within the vessel, or due to the presence of stagnant region or pockets of fluid in the vessel. To predict the exact behavior of a vessel as a Chemicals reactor, RTD or stimulus-response technique is used. The setup consists of one feed tank through which water is fed to the reactor. The flow rate can be adjusted by operating the needle valve and measured by Rotameter. Compressed air is used for the circulation of feed. The continuously stirred tank reactor made of Stainless Steel is provided for understanding the R.T.D. characteristics. Pressure Regulator & Pressure Gauge are fitted in the compressed airline.

Experimentation/Learning Objectives
• To plot the RTD curve for a CSTR. Using pulse tracer.
• To determine the Dispersion No.

Utilities Required
• Electricity Supply: Single Phase, 220 VAC, 50 Hz, 5-15 Amp combined socket with earth connection. Earth voltage should be less than 5 volts.
• Compressed Air Supply at 2 Bar, 0.25 CFM.
• Water Supply.
• Floor Area Required:1 m x 0.75 m.
• Floor Drain.
• Instruments, Laboratory Glassware and Chemicals required for analysis as per the system adopted

• Reactor: Material Stainless Steel, Capacity 2 Ltrs (Approx).
• Stirrer: Stainless Steel Impeller and shaft coupled with FHP Motor.
• Feed Tank (2Nos.): Material Stainless Steel, Capacity – 20 Ltrs. (Approx).
• Feed Circulation: By compressed air.
• Flow Measurement: Rotameter 2Nos. (one each for Reactants).
• Piping: Stainless Steel and PU pipe.
• Pressure Regulator : 0-2 Kg/cm2
• Pressure Gauge: Bourdon type 0-2 Kg/cm2
• Control Panel comprises of Standard make the on-off switch, Mains Indicator, etc.
• An ENGLISH instruction manual consisting of experimental procedures, block diagram, etc. will be provided along with the Apparatus.
• The whole set-up is well designed and arranged on a rigid structure painted with industrial PU Paint.

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