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Experimental Study and result for pyrolysis process:
EXPERIMENTAL STUDY, RESULTS AND CHARECTERIZATION Experimental procedure Introduction: Pyrolysis process in reactor which could
provide high heat transfer rate from the feed stock accompanied by certain
process conditions such as short vapor residence time and moderate operating
temperatures could provide high liquid product yield. In this work batch
type fixed bed pyrolysis system was used. The system was redesigned
to operate at atmospheric pressure in to the reactor. Experimental setup: The fixed bed pyrolysis unit is properly
setup as in Figure 4.7. Its main unit is thereactor in which the feed
material is heated from 450°C to 550°C by internal electric
heater. Nitrogen gas is flown through the reactor with a short residence
time of less than 5 sec. The reactor and condenser are made of stainless
steel for its less corrosiveness and high metallurgical limit. Method: At first the feed material is weighted to find
the net weight of feed material. Then the feed material is taken in
the reactor and after weighing all joints and parts are checked to start
the experiment. An electric heater heats the reactor internally. Nitrogen
gas from a cylinder is passed through the reactor at controlled rate.
The high temperature with short residence time converts the feedstock
into gaseous mixture and solid char. Nitrogen gas helps to dispose of
the gaseous mixture (liquid and gas) to the collector through the condenser.
The liquid product is collected in the liquid receiver and the non-condensable
gas is going out to the atmosphere. After experimental run the amount
of liquid oil and char is measured. This pyrolysis liquid product is
characterized for density, viscosity, higher calorific value, PH value
etc. These values are compared with other conventional fuels. |
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