Powder and Bulk Engineering
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
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Publication Date: 04/2001
Pages: 8
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How to optimize your spray dryer's performance

You're probably satisfied if your spray dryer produces powder that generally meets your product specs, if the dryer achieves a decent production rate, and if it doesn't require too-frequent washdowns. And no doubt you've heard the expression, "If it ain't broke, don't fix it." But if you take this statement to heart, you may be missing out on a chance to optimize your spray dryer's performance. This article explains how you can adjust your spray dryer's operation to produce more consistent product, increase your production rate while improving the dryer's thermal efficiency, and further reduce the dryer's cleaning requirements.

A spray dryer converts a liquid feed -- a solution or free-flowing slurry -- into solid particles with specific characteristics. You can select any of several dryer configurations to handle your liquid feed's specific consistency or to produce the final powder you desire. But once you've selected and started up your spray dryer, don't settle for merely adequate dryer performance. Instead, optimize it.

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