spinning disc reactors - traxxys
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Spinning Disc Reactors A Review on Performance and Applications John van der Schaaf Laboratory of Chemical Reactor Engineering
Types of Spinning Disc Reactors
Thin-Film Spinning Disc Reactor
Ramshaw et al., Rotating surface of revolution reactor with temperature control mechanisms, WO0048732 (2000)
Unilever, 1966 Buhtz, 1925
Types of Spinning Disc Reactors
Rotor-Stator Spinning Disc Reactor
Holl, Method and apparatus for mixing flowable materials, WO9421367A1 (1994)
Types of Spinning Disc Reactors
Rotor-Stator Thin-Film Spinning Disc Reactor
Meeuwse et al., Mass Transfer in a Rotor-Stator Spinning Disk Reactor with Cofeeding of Gas and Liquid Ind. Eng. Chem. Res. 49 (2010)
𝑘𝑘𝐺𝐺𝐿𝐿𝑅𝑅𝐷𝐷
= 1.6 ∙ 10−3 �𝜔𝜔𝑅𝑅2𝜌𝜌𝜇𝜇
�0.94
�𝑄𝑄𝜌𝜌𝜇𝜇𝑅𝑅
�0.24
�𝜌𝜌𝜇𝜇𝐷𝐷
�0.5
𝑘𝑘𝐿𝐿𝐿𝐿 = 7.9�𝑄𝑄𝜌𝜌2𝑅𝑅𝜔𝜔4𝐷𝐷6
𝜇𝜇2 �1/9
Thin-Film Spinning Disc Reactor Specs
Mass transfer • Liquid-solid: 1-4.10-4 m/s, aLS ~ 103 mi
2/mL3
• Gas-liquid: 1-10.10-4 m/s, aGL ~ 103 mi2/mL
3 Heat transfer • 10-30 kW/m2/K, area ~ 0.1 m2
Time scales • Residence time: 0.1-1 s ( ~50 mL/s, ~ 15 mL) • Micromixing time: 10-100 ms
ℎ =53𝜆𝜆 �
2𝜋𝜋𝜌𝜌𝑅𝑅2𝜔𝜔2
3𝑄𝑄𝜇𝜇�
1/3
Thin-Film Spinning Disc Reactor Apps
Phase Transfer Catalyzed Darzen’s Reaction (Oxley et al., Ind. Eng. Chem. Res. 39 (2000) 2175-2182)
• Reaction time reduced by 99.9% • Reactor volume reduced by 99% • Impurity level reduced by 93%
Thin-Film Spinning Disc Reactor Apps
Solvent/Anti-Solvent API Crystallization (Oxley et al., Ind. Eng. Chem. Res. 39 (2000) 2175-2182)
Thin-Film Spinning Disc Reactor Apps
Polyesterification of maleic acid and propylene glycol (Jachuck et al., Applied Thermal Engineering 17 (1997) 861-867.
• Reaction time reduced from hours to seconds (7 stages) • Production rate equal to 500 L batch • Possible improved polydispersity index
Thin-Film Spinning Disc Reactor Apps
Styrene polymerization (radical) (Boodhoo et al., Applied Thermal Engineering 20 (2000) 1127-1146)
Rotor-Stator Spinning Disc Reactor
Gas inlet
Rotor-Stator Spinning Disc Reactor Specs
Mass transfer • Liquid-solid: 10-3 m/s, aLS ~ 103 mi
2/mL3
• Gas-liquid: 1-10.10-3 m/s, aGL ~ 102 mi2/mL
3 ? Heat transfer • 10-50 kW/m2/K, area ~ 0.1 m2
Time scales • Residence time: 1-60 s ( ~30 mL/s, ~ 100 mL) • Micromixing time: 0.10-10 ms
Rotor-Stator Spinning Disc Reactor Apps
Holl (Synthetron, Kinetichem USA) (PIN-NL meeting 2003)
Rotor-Stator Spinning Disc Reactor Apps
Holl (Synthetron, Kinetichem) (PIN-NL meeting 2003)
Rotor-Stator Spinning Disc Reactor Apps
Biodiesel synthesis (FAME) (Qiu et al., Chemical Engineering Journal 210 (2012) 597–609)
Types of Spinning Disc Reactors
Rotor-Stator Thin-Film Spinning Disc Reactor
Meeuwse et al., Mass Transfer in a Rotor-Stator Spinning Disk Reactor with Cofeeding of Gas and Liquid Ind. Eng. Chem. Res. 49 (2010)
Multiple Spinning Disc Reactor
Application: Sulfonation Toluene
SO3 SO3
Application: Sulfonation Toluene
SO3 SO3
Liquid flow 1 ml/s Liquid flow 100 ml/s Liquid flow 100 ml/s, 25 bar
Comparison Spinning Disc Reactors
kLSaLS (s-1)
kGLaGL (s-1)
U (kW K-1)
AHEX (m2)
Max. prod. kg/yr
Thin-Film Spinning Disc Reactor
0.4 1 50 0.1 2 103
Rotor-Stator Spinning Disc Reactor
1 1
50 0.1 2 103
5 106
Thin-Film Rotor-Stator Spinning Disc Reactor
0.4+1
1+1 50 0.1 2 103
5 106
Conventional Slurry Batch 10 vol% 40 mu cat. part. 1 m3 liquid 1 day batch time
0.15
0.05 0.5 0.5 4 105