Powder and Bulk Engineering
Saturday, August 23, 2014
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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: 02/1994
Pages: 2
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Circular screen separator removes lumps from chemical company's product, improving quality and bagging efficiency

Lumps in a fungicide required recycling that increased labor costs, so a chemical company installed a separator to deagglomerate most lumps and remove the rest.

Amvac Chemical Corp., Los Angeles, produces a chlorinated, organic fungicide in powder form for agricultural uses. To manufacture the proprietary fungicide, the chemical company receives tanker railcars of liquid raw materials. The materials are pumped to storage tanks and subsequently pumped to processing. After manufacturing a batch of the liquid fungicide, the batch is vacuum crystallized and then vacuum dried. Amvac releases a fungicide batch from the dryer three or four times per day, and a screw conveyor removes the dried product, which is finally packaged by a bag packer.

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