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Featured Articles

Basic preplanning for leaks and spills

Response to small spills as important as worst-case scenarios
Because they are so common, routine leaks and spills can sometimes be missed when facilities review safety hazards. But these small “inconveniences” are a leading cause of slip-and-fall incidents.
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The motor itself can also be more energy efficient

Brushless PM motor technology more efficient over broad operating range, author says; use of less costly, readily available ferrite magnets
NEMA Premium efficiency induction motors are considered by many to be the standard for integral horsepower, general-purpose, AC induction motors. While these motors raise the bar for energy efficiency, continuing improvement is both possible and cost-effective.
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Good vibrations attained in large mixer installations

Modal analysis increases reliability and efficiency
Mixing is a vital part of production processes found in many industries, including food & beverage, chemical, pharmaceutical and petrochemical — to name only the largest. In many of these industries, a trend toward larger mixer installations is apparent.
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Polymers producer banks on thermoplastic pumps for waste stream handling

Effluent streams, both strongly acidic and alkaline, make demineralization and corrosion resistance a priority
Kaneka Texas Corp., the U.S. subsidiary of Kaneka Corp. of Japan, is a maker of specialty polymers and fine chemicals. For several applications involving wastewater and circulation of scrubbing liquids, the company’s Pasadena, Calif., site relies on thermoplastic pumps to ensure reliable operation under corrosive conditions.
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Innovations in continuous drum processing of pasta, rice and vegetables

Overflow water heat energy captured; mid-process quench cycle introduced prior to chilling
Amidst efforts to reduce costs while improving sustainability, one critical objective for food processors is less energy and water consumption. Implementing energy- and water-efficient practices and technologies should be a senior management priority in food manufacturing plants.
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Energy-saving VFDs can induce electrical bearing damage in pump motors

Grounding ring part of solution for mitigating damage that can lead to premature failure
Through trial-and-error and much hard work, a Kansas motor repair shop says it has developed a virtually foolproof process for protecting vertical hollow-shaft motors from the electrical bearing damage caused by stray shaft currents.
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Multi-shaft mixers in the food industry

Food manufacturers are seeing the benefits of ‘one-pot’ processing
A large portion of food-industry mixing operations are still accomplished by relatively simple single-shaft mixers such as propellers, pitched-blade turbines, impellers and anchor stirrers. Increasingly, however, food manufacturers are seeing the benefits of “one-pot processing,” especially when it comes to high-solids viscous applications that conventional mixers can’t handle.
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Plastic connectors: Many factors weigh in when choosing the right ones

Metal connectors continue to be supplanted in many industrial and laboratory applications
Diverse challenges confront industrial and laboratory original equipment manufacturers (OEMs) in developing versatile, user-friendly, lightweight and cost-effective equipment and instrument solutions. One important, but not always fully appreciated, task is selecting tubing connectors for transfer and management of fluids and gases, particularly for mission-critical applications.
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Measure level or weight?

The correct answer depends on the objective
Do you ask yourself whether it’s best to measure level or weight? You should, in regards to monitoring your inventory of bulk solids in bins and silos.
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Where is that vibration coming from?

Production plant analyzes resonance anomaly; looks at condition monitoring program as a profit center
Sometimes in industry, mechanical “circumstances” change. When it happens, a machine train identical to other machine trains can suddenly become atypical. This was exactly the case for Process Water Supply Pump A, whose behavior was very similar to that of its sister pump trains, until something changed. In this article we discuss a problem that was abruptly encountered, the methods used to investigate it and the solution devised.
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