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Controlling Air Pollution with Ceramic Catalytic Filters
Catalyst-impregnated ceramic filter elements can achieve simultaneous removal of multiple air-pollutant species in a modular, space-saving layout The three most common pollutants found in the air we breathe are particulate matter (PM), nitrogen oxides (NOx) and sulfur oxides (SOx). These…
Addressing Problems in Filtration Processes
Careful attention to even the smallest details will help to prevent operational problems in filtration processes Filtration operations are widely used to achieve effective solid-liquid separations in the chemical process industries (CPI). Industrial filtration installations can involve a variety of…
Feeling video fatigue?
It has been a full year since our world was changed by the coronavirus pandemic. The disruptions to our lives have been many, and the one perhaps most invasive to our day-to-day routines has been the need for social distancing.…
Engineering catalysts with ALD
Atomic-layer deposition (ALD), a surface engineering technique that applies layers of coatings in a conformal way at single-atom thicknesses, is being investigated for its potential to improve the selectivity and durability of industrial catalysts under a U.S. Dept. of Energy…
Robust separation seal for a safe compressor shutdown
The CobaSeal (photo) is a robust separation seal with a unique coaxial operating principle. Design studies confirm the CobaSeal maintains its mechanical integrity up to 70 bars and minimizes process gas flow to the bearing cavity when retained properly. The…
A pilot ozone-generating system for testing applications
Ozcar (photo) is an autonomous test facility to help companies determine if ozone treatment is a possibility for their wastewater treatment needs. The system is useful because empirical data are often not available. To provide a quick solution, Ozcar enables…
Gear units for grain and bulk solids handling
MaxxDrive industrial gear units provide high output torque from 132,000 to 2,200,000 lb-in. The gear units are suitable for use in heavy-duty applications, such as bucket elevators, agitators, conveyor belt drives, mixers, mills, drums or crushers. MaxxDrive is available as…
A Mixer Makes a Better Sunscreen
Changing from a conventional mixer to an ultra-high-shear mixer led to improved dispersions, increased production capacities, and reduced electricity and labor costs As the days get sunnier, people will be looking to sunscreens to protect their skin from the harmful…
Facts At Your Fingertips: Microbial-Influenced Corrosion
Any corrosion process in which microorganisms initiate, facilitate or accelerate corrosive chemical reactions is termed microbially influenced corrosion (MIC). MIC occurs when the chemical, microbiological and physical conditions allow the active growth of biofilms containing specific types of microbes on…
Improve Energy Efficiency Using Expanders
Expanders can take advantage of pressure reductions to drive rotating machines. Information on how to assess the potential benefits of installing expanders is provided here Often in the chemical process industries (CPI), “a considerable amount of energy is wasted in…