Skip to Content

Power to heat juice to pasteurization temperature

The specific heat of juice depends on the sugar content: the higher the Brix, the lower it is. Enter the Brix, mass and time — the calculator substitutes the specific heat itself and calculates the heat exchanger power.

Parameters

Result

Approximate calculation using a simplified model: for designing equipment and process modes, consult a technologist.

Calculation example

Product
Juice, syrup, puree (by Brix)
Product Brix
12 °Bx
Product mass
2 000 kg
Initial temperature
20 °C
Final temperature
85 °C
Heating/cooling time
30 min
Heater efficiency
90 %
Required power
313,0 kW
Useful thermal power
281,7 kW
Energy
140,9 kWh
Energy
507,1 MJ
Specific heat used
3,90 kJ/(kg·K)
Approximate steam consumption
536,6 kg/h

Frequently asked questions

What is the specific heat of juice?
For 12 °Bx juice — about 3.9 kJ/(kg·K), slightly lower than water (4.19).

The calculations are approximate: they help to assess the process and compare options, but do not replace a process design and trials on a specific raw material. This section is for reference only and contains no commercial offers.