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Solids Handling

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Emerging Applications for Traditional Dryers

Traditional classes of drying equipment are being adapted for use in a growing number of applications, and more complex analysis and process control are helping to optimize processes The chemical process industries (CPI) are full of processes in which a…

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The Benefits Of Two-Stage Drying

Circular fluidized-bed dryers can boost the capacity, energy efficiency and product quality when used in conjunction with other primary dryers Two-stage drying provides benefits from the standpoints of cost, energy savings, efficiency and product quality. This is especially the case…

Feeding and Conveying: Keeping Solids Moving

Updated feeding and conveying products help improve product flow When it comes to feeding and conveying operations, chemical processors struggle to minimize unplanned downtime and maximize throughput. For this reason, they require reliable equipment that is easy to clean in…

Hear how quiet a vacuum pump can be…

VACUUBRAND's chemical-resistant diaphragm pumps have been designed and manufactured to exacting standards not only in order to achieve the performance our customers count on, but also to run quietly.  

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Characterize Bulk Solids to Ensure Smooth Flow

To minimize problems associated with handling all types of bulk solids, engineers must adopt a systematic approach to characterizing the flow and mechanical properties of the materials under a variety of operating conditions Bins, hoppers, feeders, and conveyors handle bulk…

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Particle-sizing technology selection

Size range is a defining consideration when it comes to choosing a particle-sizing technology for your product or process. However, whether measuring droplets or powders, on plant or in the laboratory, for quality control (QC) or to troubleshoot – there…

Hopper Design Principles

When hoppers are designed without consideration of the actual materials being handled, problems inevitably arise. Follow this guidance to avoid common solids-handling issues, such as erratic flow and no flow Pivotal work on the development of the theory of bulk…

Combustible Dust Standard Gets a Facelift

While NFPA 652 creates a general set of requirements for mitigating explosion hazards, equipment providers improve offerings to assist with compliance The National Fire Protection Association (NFPA; Washington, D.C.; www.nfpa.prg) recently released the first edition of NFPA 652 Standard on…

Using Laser Diffraction to Characterize Heterogeneous Catalysts

The capabilities of laser diffraction systems go beyond particle-size analysis to also predict a catalyst’s propensity to experience attrition Heterogeneous catalysts, where the catalyst is in solid form, enhance many of the gas- and liquid-phase reactions that underpin common operations…

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Solids Discharge: Characterizing Powder and Bulk Solids Behavior

How shear-cell testing provides a basis for predicting flow behavior Powder jams are the once-in-a-month catastrophe that can bring processing operations to a standstill. Whether it’s erratic flow behavior or complete stoppage of solids discharge, the consequence is the same.…