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Water reuse and recycling: Taking the Plunge

Globally, water reuse and recycling are not uncommon — with parts of Australia, South Africa and the Middle East rather heartily embracing the practice. Even in Europe, it is estimated that 75 to 80% of water is reused. However, because…

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Selecting A Conveyor

Conveyor selection is always defined by the larger project that it is meant to serve. First, there is a broad range of performance factors that must be met. Meanwhile, health, safety and environmental considerations usually outweigh the costs involved. After…

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Pipe Sizing

Friction Factor Fluid flowing through pipes experiences resistance due to viscosity, turbulence and roughness of the pipe surface. The Darcy-Weisbach Equation (1) is commonly used for the analysis of steady-state, Newtonian-fluid flow inside pipes. It summarizes the relations between frictional…

People: Who’s Who

Stephen Weinberg joins Audubon Engineering Solutions (Houston, Tex.) as director of process technology. Haws Corp. (Sparks, Nev.) names William O’Keefe corporate marketing manager. Honeywell Process Solutions (Phoenix, Ariz.) appoints Normal Gilsdorf president. Bill St. Thomas becomes sales manager of North…

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Cover Story: Nano Know-How

This brief introduction to nanotechnology provides a basic understanding to those new to the field Most chemical engineers and chemists are aware of the recent excitement generated by nanotechnology, but many may wonder what all the fuss is about. Nanotechnology…

February: New Products (International)

Hans Turck This compact I/O block module handles up to 16 signals This new series of compact I/O modules (photo) uses technology based on the reliable BL67 modular I/O system, and includes different BL67 electronic components and a programmable gateway…

Focus on: Flow Measurement & Control

This unit offers measurements for low flows in the milliliter range The SLQ-HC60 (photo) fills a gap in the existing range of products for precise measurement in the low flowrate range, below 100 mL/min. This water-resistant meter operates without moving…

Eye-and-Face Personal Protective Equipment

Eye injuries of all types occur at a rate of more than 2,000 per day in the U.S., and half of those occur in the workplace. In 2006, the U.S. Bureau of Labor Statistics (BLS) reported over 52,000 workplace injuries…

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Compact Heat Exchangers: Improving Heat Recovery

There is increasing pressure on industry to reduce both energy usage and the associated CO2 emissions. An important and profitable action that industry can take is to recover more process energy and thus improve the efficient use of that energy.…

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Plate Heat Exchangers: Avoiding Common Misconceptions

The use of gasketed plate-and-frame heat exchangers has gained tremendous acceptance in the chemical process industries (CPI) over the past 20 years due to their high heat-transfer coefficients, compactness and low cost. However, it is important for the engineer who…