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EPC Products Teaching and Research Laboratory Equipment Biochemical Engineering BE1 Batch Enzyme Reactor
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BE1 Batch Enzyme Reactor

Model：BE1

Use：

Standard：

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Description

The Batch Enzyme Reactor (BE1) introduces the student to the fundamentals of batch enzyme catalysis. It consists of a benchtop

unit onto which is mounted a reactor vessel in which the glucose isomerase-mediated reaction takes place. The reactor itself is made
of clear acrylic, which gives good visibility. A cruciform geometry impeller constructed from stainless steel mesh retains the immobilised
enzyme while enabling efcient mixing with the liquid reactant (glucose solution).
The impeller is a variable-speed type and the reaction temperature is maintained using two heaters and a temperature sensor mounted
within the reactor. These are linked to a PID controller, which is programmed to maintain the desired setpoint temperature. Safety
interlocks prevent the heaters being activated when there is a low reactor liquid level or when the impeller is inactive.
A continuous sampling loop driven by a peristaltic pump removes liquid from the reactor and transfers it to a tubular coil heat exchanger,
where it is cooled. It is then passed through a polarimeter where the angle of rotation of polarised light is measured. From this angle
measurement, the concentration of both glucose reactant and fructose product can be determined. This eliminates the need for manual
glucose assays. The measurement system relies on the fact that both glucose and fructose solutions rotate beams of polarised light, glucose
to the right and fructose to the left. The polarimetry measurement method enables the progress of the reaction to be monitored online.
The polarimeter assembly consists of an elongated optical ?ow cell mounted between two polarising lenses, one of which is fxed
(polariser) and the other being free to rotate (analyser). On the outside of the polariser is a light source and on the outside of the analyser is a
detector, which detects the intensity of emitted light that has passed through both polarising lenses and the sample tube.
Attached to the analyser is an angle-measurement device. Both the optical transmission and the angle of rotation are relayed to electronic

displays on the control console.


Overall dimensions
ength 1.10m
Width 0.50m
Height 0.45m
acked and crated shipping specifcations
olume 0.44m3
Gross weight 36Kg



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相關標簽
Armfield,BE1,Batch Enzyme Reactor
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