Mixing Vessels Application Examples
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Provided here is the information on the mixing techniques of Sumitomo Heavy Industries Process Equipment such as the information of various experiments and verification results.
Solid-Liquid Mixing
Crystallization
Controlling Crystal Diameter in Cooling Crystallization
Particle size control techniques that are applicable to smaller and larger particle sizes, together with the data of experiments.
- Solid-Liquid
- optimization of particle size distribution
- larger particle size
- particle size control
Discharging Slurry
Homogenization of Discharging Slurry in CMC Washing Tank
How the improvement of suspension performance leads to a better production process, together with the data of an experiment.
- Solid-Liquid
- reduction of operation time
- reduction of the load on the post-process
- stabilization of suspension under liquid level changes
Acid Coagulation
Reduction of Generation of Fine Powder in ABS Coagulation Tank
Reduction of fine particles, which contribute to lower load of equipment down stream on the production process, is described with experimental data.
- Solid-Liquid
- reduction of physical fragmentation of particles
- reduction of scattering of fine particles
- reduction of static electricity
Suspension Polymerization
Improvements of Heat Transfer Performance on PS Suspension Polymerization under Highly Slurry Concentration
The improvement of heat transfer performance of PS suspension polymerization process, using experimental data.
- Solid-Liquid
- heat transfer improvements
- enhancement of flow velocity at vessel walls
- larger particle size
Liquid-Liquid Mixing
Solution Polymerization
Reduction of Fouling in Mixing Vessel in BR Solution Polymerization
The reduction of fouling through the improvement of the mixing impeller, taking the example of BR solution polymerization together with some data and an actual example.(Video available)
- Liquid-Liquid
- reduction of fouling within mixing vessel
- reduction of maintenance time
Emulsion Polymerization
Reduction of Aggregate in ABS Emulsion Polymerization
How the improvement of the mixing impeller reduces aggregates and then in turn improves the product yield, together with some data of an experiment.
- Liquid-Liquid
- improvement of product yield
- reduction of cleaning time
Different Viscosity
Acceleration of Mixing of Different Viscosities in Emulsion Polymerization of Vinyl Acetate
The different viscosity mixing performance of MAXBLEND, using the photographs and videos of the experiment.
- Liquid-Liquid
- shortening of polymerization process
- uniform mixing in a wide range of viscosity
Different Viscosity
Mixing of Low Viscosity Liquid of 1 mPa･s into High Viscosity Liquid of 500,000 mPa･s through Liquid Surface
The techniques that the viscosity drastically changes during operation or mixing of significantly different viscosities liquids, together with the data of experiments.
- Liquid-Liquid
- liquids of different viscosities
- mixing performance
- dispersion
Gas-Liquid Mixing
Addition Reaction
Improving Reaction Rate in PO Addition Reaction
How the gas absorption rate from free liquid surface increases through the improvement of the mixing process, taking the example of the addition reaction of PO together with experiment data.
- Gas-Liquid
- improvement of gas absorption performance
- reduction of operation time
- improvement of reaction rate
Addition Reaction
Stabilization of Gas Absorption Performance when Liquid Depth Changes in EO Addition Reaction
The stable gas absorption performance with MAXBLEND in which stable flow pattern is generated, taking the production process of ethylene oxide as an example, using experimental data.
- Gas-Liquid
- stabilization of the flow pattern
- cooling water temperature control
- improvement of gas absorption performance
Addition Reaction
Reduction of Operation Time in Surfactant Manufacturing Process
Process improvement was achieved using a slender mixing vessel, with some data and an actual example of surfactant manufacturing process.
- Gas-Liquid
- shorter operation time
- slender tank
- high liquid depth
Hydrogenation
Decreasing of Reaction Time by Promoted Gas Absorption from the Free Surface in Hydrogenation Reaction
Gas absorption operation, which is very important in production processes that use low-solubility gas will be explained with some data and a video of an experiment.
- Gas-Liquid
- reduction of operation time
- gas involvement from the gas-liquid interface
CHECK POINT 01 Main Industry Fields
| Mixing target | Process and operation | Product and application example |
|---|---|---|
| Solid-Liquid mixing | Suspension polymerization | PVC, PS and Superabsorbent polymer |
| Crystallization | Cooling crystallization, Reaction crystallization and Concentrated crystallization | |
| Salting out and acidifying-out operation | Deposition tank for ABS and Crumb former | |
| Powder or Resin dissolution | PVA, Cellulose acetate and lignin | |
| Liquid-Liquid mixing | Liquid mixing | ABS, PVC paste, Vinyl acetate and Acrylic emulsion |
| Solution polymerization | BR, AS and Thermoplastic elastomer | |
| Bulk polymerization | PS, PMMA and Spandex | |
| Dehydration condensation | Biodegradable polymer | |
| Gas-Liquid mixing | Hydrogenation, Chlorination reaction | Polymer hydrogenation, Oils and fats |
| EO or PO addition reaction | Surfactant | |
| High-viscosity gas absorption reaction | Thermoplastic elastomer | |
| High-viscosity cultivation | Biopolymer and Biocellulose |
