Archives :: Only on Che.com :: Ask The Experts :: Solids Processing

Displaying 1 - 3 of 3 stories.
April 25, 2011
Question:  Besides rotary, fluidized-bed, and flash dryers, what other types of dryers can remove moisture and other volatile compounds from bulk solids? Answer:  For many applications, an efficient and cost-effective alternative is to dry the bulk solid in a silo equipped with heat exchangers or modified to permit injection of a gas. Compared to other dryers, drying silos have several...
http://www.chemengonline.com/only_on_che/ask_the_experts/solids_processing/Ask-the-Experts-Solids-drying_7903.html
November 1, 2010
Question:  Should we convert from manual dumping of sacks to discharging from bulk bags?    Answer: Dry, bulk chemicals have long been purchased in 50-lb (23-kg) paper and plastic sacks for several reasons. In volumes smaller than rail and truckloads, sacks were often the only packaging in which to purchase many such products. Sacks also enabled plant personnel to physically lift, slit and...
http://www.chemengonline.com/only_on_che/ask_the_experts/solids_processing/Ask-the-Experts-Discharging-from-bulk-bags_6160.html
April 26, 2010
Question:  What can we do to prevent caking? When our powders are packaged into bags at our plant, they appear to be free of agglomerates.  However, our customers report that when the bags are opened at their facilities, they observe an excessive amount of caked material.  This results in rework and potential losses in sales.  We suspect that moisture is the cause, but our bags include...
http://www.chemengonline.com/only_on_che/ask_the_experts/solids_processing/Ask-the-Experts-Cake-Prevention_5600.html

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