Friday, May 9, 2008
Articles (84) White Papers (20) News (21) Products (110)

Powder Handling & Solids Resource Center

Watch out with variable speed pumping
Cecil L. Smith
Pump curves suggest rethinking the usual control strategy

Powder Show Preview 2008
The ChemProcess portion of the Process Technology for Industry International Show (PTXi) will be held from Monday through Wednesday, May 5-8, at the Donald E. Stephens Convention Center, 5555 N. River Road, Rosemont, Ill.

Air separation unit gets fast fix
ChemicalProcessing.com
New method adds speedy commissioning to benefits of model predictive control.

Portable conveyor speeds paint production
ChemicalProcessing.com
Unit ensures a consistent flow of soft acrylic powder without lumps or sticking, improving the production of thermoplastic paint.

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White Papers: In depth research


Title Author Date
Rectifier design for fuel ethanol plants reduces energy Sulzer Chemtech USA 04/10/2007
Plants have traditionally used trays in the distillation columns to produce fuels grade ethanol. Trays of various configurations have been adequate in this service and their technology is well founded. The ever-present desire to reduce the energy needed to produce a gallon of ethanol has opened the doors to structured packings being used in the rectification sections of ethanol distillation columns. 
Process Moisture Analysis using FT-NIR Bruker Optics 06/28/2006
Manufacturing a pure product can be critically important to the next steps in the manufacture of a powder-based product. As a result the removal of residual moisture and solvents from the crystallization, filtration and drying steps can be crucial to producing a stable product. 
Insuring Adequate Feed Supply from Plastic Pellet & Powder Supply Day Bins | Chemical Processing Kistler-Morse 05/22/2006
This application note describes two technology solutions—continuous weight information using loadcell systems or level information using ultrasonic systems—to the problems faced by day bins supplying downstream operations. 
Preventing Segregation During Powder Drying Bolz-Summix 05/02/2006
This 4-page case history by Jeroen van den Berg of Bolz-Summix discusses how changing process conditions within a conical screw dryer eliminated granulation and minimized product segregation. 
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Timeless Resources

Achieving high reliability from gravity flow hoppers and bins and pneumatic conveying systems
This 30-page document reviews proper engineering and design practices to enhance reliability of gravity flow of bulk containers, including storage hoppers, bins, and pneumatic conveying systems.
Process Manufacturing: Bulk-solids-handling whitepapers
A variety of technical papers from Jenike & Johanson that cover storage and flow issues can be downloaded from this database.