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Archives :: Processing & Handling :: Solids Handling :: Feeding and Conveying

Displaying 101 - 109 of 109 stories.
March 15, 2008
An automated and precise powder dispenser Intended for distributing resins from reservoirs into reactors, reaction blocks, and microplates, The REDI automated powder-dispensing platform (photo) is available in several configurations. These include: the REDI super, which distributes powder samples from 100 mg to 100 g with ±2% accuracy; the REDI plus, a powder pipette suited for distributing a solid...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Focus-on-Bulk-Solids-Storage-Handling-and-Packaging_3721.html
October 1, 2007
Click here for full pdf version of this article - includes all graphs, charts, tables, and author information   Explosion prevention must be a primary objective wherever the process of transferring powders into flammable solvents is utilized, irrelevant of the industry and existing practices, in accordance with regulatory guidelines such as the ATEX directives (Directive 94/9/EC, 1994 and Directive...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Prevent-Explosions-During-Transfer-Of-Powders-Into-Flammable-Solvents_3394.html
April 1, 2007
    The world's largest pharmaceutical conference and exhibition, Interphex, will be held at the Jacob Javits Convention Center in New York from April 24-26. Approximately 1,000 global companies that serve the pharmaceutical and biotechnical industries will showcase their latest lines of equipment, technologies and services in the areas of manufacturing, sourcing and services, information...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Interphex-Show-Preview_3163.html
November 1, 2006
    The need to transfer bulk-solids materials from the outlet of a bin or from a conveyor, to a process, truck, or another bin is ubiquitous throughout the chemical process industries (CPI). Transferring material using equipment designed to mechanically convey chemicals works quite well, especially for long distances; however, for short distances, it can be prohibitively expensive and...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/The-Dos-and-Donts-Of-Chute-Design_3114.html
October 1, 2006
    Provided that they are updated when appropriate to keep them relevant, time-tested heuristics rules based upon experience, also referred to as rules of thumb, can be useful for the design, specifying and operation of several kinds of equipment used in process plants. The first and foremost heuristic rule is that the engineer should not shy away from using heuristics - and the second rule is...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Heuristics-Rules-for-Process-Equipment_2808.html
July 1, 2006
    Making sure the correct amount of material is fed to a batch reactor, bag or storage bin is important to everyone in the chemical process industries (CPI). Because the CPI cover such a broad spectrum, manufacturers are faced with a variety of factors to consider when designing weighing and feeding equipment — from increasing throughputs with more compact designs, through reducing dust...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Weighing-and-feeding-in-the-Spotlight_3077.html
May 1, 2006
    Accurate prediction of particulate-solids flow behavior during storage and feeding has eluded all but the most experienced solids handling experts. Often the process engineer is faced with the awkward task of making sense of bulk behavior. A powder sample held in a jar may appear to be free flowing, but hammer rash — jargon for the practice of hitting hoppers with pipes to dislodge...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Predicting-Powder-Flow-Behavior-A-New-Approach_2777.html
February 1, 2006
    In pneumatic conveying systems that operate under high positive pressure, it is common wisdom that as the downstream end is approached, the diameters of the pipeline segments should be larger. Air (or other conveying gas) is compressible, so if a single-diameter pipeline is instead used, the gas velocity will reach very high values. If the conveyed material is abrasive, the consequence can be...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Pneumatic-Conveying-Before-Stepping-the-Line-Look-Into-Air-Extraction_2813.html
January 1, 2006
    Successful startup and operation of solids-handling processes depend on myriad small yet fateful decisions that are made during the various phases of the project. Many of these are not quantitative but qualitative in nature, and are largely based on experience and broad-based knowledge of solids handling. It is just as important to know what not to do as it is to know what to do. Since many...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Guidelines-for-Solids-Storage-Feeding-and-Conveying_2773.html
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