Case Study: PRESTO W91tt Process system

Cooling a Ace Glas 100 l reactor from +20 °C to lowest possible temperature with a PRESTO W91tt Process system

Objective

This case study tests the lowest temperature of the JULABO PRESTO W91tt Process system with a 100 l glass reactor. The PRESTO W91tt is connected to the reactor via two 3 m metal hoses. The PRESTO W91tt Process system cools from +20 °C to -84 °C maximum low temperature.

Test Conditions

Product PRESTO W91tt Process system
Cooling capacity (Ethanol)
°C 20 0 -20 -40 -60 -80 -90
kW 12.2 12.1 11.9 11.4 8.6 2 0.4
Heating capacity 36 kW
Pump pressure 0.5 bar
Duration 7:00 hr:min
Test volume 70 l
Setpoint 1 +20 °C
Setpoint 2 -90 °C
Reactor 100l Ace Glas (glass)
Tubing length 3 m
Fluid in unit Thermal P90

Environment

Room temperature 20 °C
Humidity 45 %
Voltage version 480V/3P(N)PE/60Hz

Test Results

The PRESTO W91tt Process system cools the reactor from +20 °C to the lowest temperature of -84 °C in 7:00 h.

Set point
Temperature in the application
Temperature in temperature control unit