Suspension Crystallization

Suspension crystallization technology completes Sulzer's existing portfolio of melt crystallization technology consisting of falling film and static crystallization. Based upon careful evaluation of the technologies, our clients can be sure to receive the optimal process for their separation problem, be it one of our crystallization technologies or even a hybrid process.
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The crystallizer is a vertical, jacketed vessel with an internal rotating shaft to which scraper blades are attached. Cooling fluid flows through the jacket removing heat from the bulk liquid resulting in the formation of new crystals.
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The wash column is a mechanical separation device driven by a standard pneumatic or hydraulic piston. The wash column itself consists of a cylinder, a moveable piston with integral filter screen and a rotating disk with scraping knives in the lower part of the cylinder. The space between the piston and disk is filled with packed bed of crystals.
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Should you have a separation task to be solved, our test engineers will carry out pilot tests for you, either in our laboratory or at your site with our mobile pilot plants. Test results will provide the necessary basis for plant design and cost estimate of a commercial plant.
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Suspension crystallizers are successfully used in the industry for purification of chemicals and waster water. Please find here some typical applications for suspension crystallization.
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