Slurry-Flo Reactor
| Features |
| Volume: 250 ml to 5 ltr |
| Pressure Range: up to 50 bar |
| Temperature Range: -30°C to 200°C |
| Flow Rate: Up to 300 lph |
| Heat Transfer Area: ~60 (m2 / m3 ) |
| Material: SS316, Hastelloy C |
| Multiple jacketed reaction cells connected in series with common magnetically coupled agitator (upto 10 cells). |
| Sampling valves in each cell to monitor reaction progress. |
| Can handle slurries in high concentration. |
| Residence times could range from a few seconds to as high as few hours. |
| Can be used as a reactor as well as continuous crystallizer. |
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Working: Stirred tanks commonly used in the industry are completely back-mixed reactors meaning the concentration in the reactor is same as the outlet of the reactor – this greatly reduces the reaction rates. Plug flow reactors are an alternative to stirred tanks where the concentration varies in the axial direction of the reactor. Tubular reactors showcase a plug-flow behaviour but tubular reactors have couple of challenges :
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When it comes to handling concentrated slurries, tubular reactors can clog
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Performing slow reactions: as mixing is compromised due to low velocities in the tubular reactors
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In such cases, conventional CSTRs are chosen, however multiple CSTRs in series provide a plug-flow like behaviour and also help in increasing the reaction rates by limiting the back-mixing. Hence, SFR was developed with the idea of making a cascaded-CSTR setup more compact and economical for lab and pilot scale studies, as having a single motor and agitator shaft reduces the cost as well as space requirement for the setup.
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| SFR has options to provide individual temperature control to all the cells with separate jackets, so that it can be doubled as a continuous crystallizer. Each cell has an agitator (standard: pitch blade turbine) for intensive mixing within the cell zone, each cell being connected to the next one through an overflow. |
