Experimental Determination of Phase Equilibria

Experimental Investigations of Different Unit Operations 

An overview on the different experimental facilities is given in the following table:

1. Mixture Data
   
2. Pure Component and Mixture Properties
3. Reaction Kinetics
4. Pilot Plants
   

1. Mixture Data
1.1. Vapor - Liquid Equilibria
Static Apparatus, High Pressure	< 250 bar	0 - 200 ºC	x, y,T, P
Static Apparatus, High Pressure	< 400 bar	25 - 400 °C	x, y, T, P
Computer Driven Static Apparatus	< 3 bar	-10 - 90 ºC	x, T, P
Computer Driven Static Apparatus	< 30 bar	-10 - 160 ºC	x, T, P
Computer Driven Dynamic Apparatus	< 1 bar	-20 - 220 ºC	x, T, P
Flow Apparatus, Determination of Critical Points	< 400 bar	25 - 400 °C	x=y, T, P
Headspace Chromatograph	< 3 bar	0 - 150 ºC	x, y, T
Dynamic Still (NORMAG)	< 1 bar	25 - 160 ºC	x, y, T, P
Swietoslawski Ebulliometer	< 1 bar	-20 - 220 ºC	x, y, T, P
Scott-Ebulliometer	< 1 bar	-20 - 220 °C	x, y, T, P
1.2. Activity Coefficents at Infinite Dilution
Gas-Liquid Chromatograph		0 - 90 ºC	, T
Dilutor (Determination of Gamma Infinite and Henry Coefficients in Pure Solvents and Mixtures)		0 - 150 ºC	, T, H12
Scott Type Ebulliometer	< 1 bar	-20 - 220 °C	, x, y, T, P
1.3. Azeotropic Composition
Spinning Band Column	< 1 bar	25 - 150 ºC	yaz, T, P
Spinning Band Column	< 3 bar	25 - 150 ºC	yaz, T, P
1.4. Excess Enthalpy
Computer - Driven Flow Calorimeter	< 160 bar	25 - 200 ºC	x, T, hE
Setaram Calorimeter	< 3 bar	-190 - 190 ºC	x, T, hE
1.5. Liquid - Liquid Equilibria
Analytical Method	< 1 bar	0 - 100 ºC	x", x"", T,
Liquid-Liquid Countercurrent Chromatography		25 - 50 ºC	x3"/x3"", T
1.6. Solid - Liquid Equilibria
Synthetic Method (Visual	< 1 bar	-90 - 50 ºC	x, Tm
1.7.Multicomponent Adsorption (Gas Phase)
Flow Apparatus (Break through curve)	< 1 bar	0 - 50 ºC
1.8. Octanol - Water Partition Coefficient
Liquid-Liquid Countercurrent Chromatography		25 - 50 °C	KOW
1.9 EMF - Measuring
PH / ISE - Meter (Orion 920A), Different Ionensensitive Elektrodes		20 - 60 ºC
2. Pure Component and Mixture Properties
2.1. Pure Component Vapor Pressure
Different Designs			T, Ps
2.2. Liquid Density
Vibrating Tube Densitometer (Paar)	1 bar	25 - 50 ºC	ρ,T,P
Vibrating Tube Densimeter (Prototype from Dr. Stabinger (Graz))	< 400 bar	< 250 ºC	ρ,T,P
Vibrating Tube Densitometer (Paar)	< 1300 bar	-10 - 180 °C	ρ,T,P
2.3. Liquid Viscosity
Ubbelohde Viscosimeter	1 bar	-20 - 150ºC
Rotation Viscosimeter	300 bar	400°C
2.4. Caloric Data (hv, hm, htr, Ttr, cPL, cPV, ... )
Setaram Calorimeter	100 bar	-190 - 190 ºC	hm, htr, Ttr, cPL, cPV
Transitiometer  also for Corrosive Components	2000 bar	0 - 400 °C	all State- and Phase Changes
Differential Scanning Calorimeter	3 bar	-180 - 550 °C	hm, Δhtr, Tm, Ttr, cpS, cpL
3. Reaction Kinetics
Batch Reactors	1 bar	< 95 ºC	K, hRo, k, EA
Flow Reactors	30 bar	< 200 °C	K, hRo, k, EA
4. Pilot Plants (Æ 50 mm, height 10 m)
Tray and Packed Columns Reactive Distillation (Katapak S)	1 bar	< 240 ºC