Abstract

Recently chemical reactors are on the way to downsizing and getting continuous in order to be transportable by truck. We have developed a small continuous crystallizer. The apparatus utilizes good micro-mixing ability for crystalization by applying taylor-vortex to reaction cylinder. It has millimeter-order gap between inner cylinder and outer cylinder to avoid obstruction. In addition, the tip of solution port is shaped into conical and discharging port is placed at the end of the cylinder closely. It is helpful for continuous operation with plug flow and stable crystallization. We examined crystallization of sodium chloride, barium sulfate and L-Arginine hydrochloride.

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