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CRE 08
ISOTHERMAL SEMI-BATCH REACTOR
An isothermal semi-batch reactor is a semi-closed system with one input stream. It is operated under conditions like Isothermal (Temperature of Reaction Mass remains constant) and perfectly mixed (composition of reaction mixture is uniform throughout). This set- up is used to study a non-catalytic homogeneous reaction under isothermal condition.
The set up consists of a Reactor fitted in a constant temperature water bath. Before starting the reaction the reactor charged with measured quantity of one reactant. From a feed tank another reactant is fed to the reactor. Using a sampling pipette samples can be taken out for analysis after fixed interval. Rotameter is provided to measure the flow of Chemicals. The compressed air is used for circulation of feed. One stirrer is fitted for mixing the reactants in reactor and other is fitted in water bath to keep the uniform temperature throughout in the bath. The temperature of bath can be maintained from ambient, to 70C with the help of Digital Temperature indicator Cum Controller. Pressure Regulator, Pressure Gauge and Safety Valve are fitted in the compressed air line
EXPERIMENTS
- To study a second order saponification reaction in a Semi-Batch Reactor
- To determine the Reaction Rate Constant
UTILITIES REQUIRED
- Compressed Air Supply at 2 Bar, 0.25 CFM
- Water supply and drain
- Electricity-1.5kw, Single
- Instruments, Laboratory wares and Chemicals required for analysis as per the system adopted
| Product & Code |
Isothermal Semi-Batch Reactor & CRE 08 |
| Reactor |
Material Stainless Steel, Capacity 2 Ltrs (approx) |
| Water Bath |
Material Stainless Steel, Double wall, insulated with Ceramic Wool |
| Heater |
Nichrome wire Heater |
| Stirrer(2Nos.) |
Stainless Steel Impeller and shaft coupled with FHP motor. (One each for Water Bath and Reactor) |
| Feed Tank (1Nos.) |
Material Stainless Steel (1 Nos.), Capacity 20 Ltrs. with level indicators, air release valves, charging funnel with valve, air pressure fittings, feed lines, drain valve etc. |
| Feed Circulation |
By Compressed Air, using PU pipe line & fittings Pressure Regulator Bourdon type (0-2 kg/cm2) |
| Flow Measurement |
Rotameter |
| Feed Piping |
PVC / SS |
| Stop Watch |
Electronic |
| Temp. Sensor |
RTD PT-100 type |
| Control panel |
Digital Temp. Controller: 0-199.9°C, RTD PT-100type (For Water Bath) On/off switch, Mains Indicator etc. |
| The setup is painted with good quality paints & mounted on a strong support. |
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