Case Study: PRESTO A40 Process system

Cooling a Asahi 20 l reactor from +25 °C to lowest possible temperature with a PRESTO A40 Process system

Objective

This case study tests the lowest temperature of the JULABO PRESTO A40 Process system with a 20 l glass reactor. The PRESTO A40 is connected to the reactor via two 2 m metal hoses. The PRESTO A40 Process system cools from +25 °C to -32 °C maximum low temperature.

Test Conditions

Product PRESTO A40 Process system
Cooling capacity (Ethanol)
°C 20 0 -10 -20 -30 -40
kW 1.2 0.9 0.8 0.6 0.3 0.1
Heating capacity 2.7 kW
Pump pressure 0.4 bar
Duration 4:30 hr:min
Test volume 18 l
Setpoint 1 +25 °C
Setpoint 2 -40 °C
Reactor 20l Asahi (glass)
Tubing length 2 m
Fluid in unit Thermal HL60
Fluid in reactor Thermal HL60

Environment

Room temperature 20 °C
Humidity 45 %
Voltage version 230V/50Hz

Test Results

The PRESTO A40 Process system cools the reactor from +25 °C to the lowest temperature of -32 °C in 4:30 h.

Set point
Temperature in the application
Temperature in temperature control unit