1. Projekt Prize
Project Prize
Multistage Membrane Based Concentration of thin solutions
Judith Ecker
Michael Harasek

2. Multistage Membrane Based Concentration of thin solutions
Project Prize
Multistage Membrane Based Concentration of thin solutions
From the problem to the solution
Idea
Lab Experiments
Process development – Austrian Patent AT (2011)
Basic Engineering
Detail Engineering
Design
Process control
Long term experiments with different solutions

3. Conventional thermal concentration
Project Prize
Conventional thermal concentration
Energy intensive
Thermal degradation of the ingredients
Impoved membrane based process
Intelligent recycling of permeates for process optimisation
Mild production
No thermal degradation
Multistage Membrane Based Concentration of thin solutions
Process
Energy consumption
Energy
Savings
Primary Energy Savings
kWh %
MJ/kWh
Evaporator
9296
84 %
59.4
Membrane + Evaporator

4. Multistage Membrane Based Concentration of thin solutions
Project Prize
Multistage Membrane Based Concentration of thin solutions
Fig.1: Flowsheet
Fig.4 realised pilot plant
Fig.3: 3D-plan
Fig.2: realised pilot plant

5. Multistage Membrane Based Concentration of thin solutions
Project Prize
Multistage Membrane Based Concentration of thin solutions
Usages
Concentration of
sugar solutions
fruit juice
sorghum solutions
starch solutions