Henry Kister shares lessons learned from troubleshooting distillation towers Construction of new production units has an undesirable byproduct: trash. Sometimes the hard question is— Who will clean? The author was the startup superintendent on a new unit in an olefins…
Heat pumps are an efficient way to provide space and process heating. Information on their types, and how to assess their potential benefits is provided here Approximately 40% of the energy that is used in buildings in the U.S. goes…
Advances in membrane technologies allow processors to delve into gas- and water-separation applications more effectively and efficiently Conventional membranes have a reputation for being “finicky” and “high maintenance” because they don’t operate well under high pressures or temperatures, are subject…
Electrochem Technologies & Materials Inc. (Montreal, Canada; www.electrochem-technologies.com) produced pure electrolytic iron (99.995% Fe) using its patented FerWIN process (diagram) — a sustainable zero-carbon iron-making technology — from ferrous sulfate heptahydrate (copperas) originating from the sulfation of bauxite residues. This…
The compact PSU67 power supply units (photo) ensure energy-efficient, decentralized power supply in modular systems at ambient temperatures of –25 to 70°C. The units have protection to IP67 and are suitable for single- and three-phase applications in modular machine building.…
This company has added two new sizes (10- and 12-in.) to its Type-57P family of chlorinated polyvinyl chloride (CPVC) butterfly valves (photo). The new models are well suited for facilities where large-diameter CPVC body and disc butterfly valves are needed…
The Ground Mounted Trailer Support (GMTS; photo) is a new hands-free trailer-support system. The new support is permanently positioned in the trailer docking area in its retracted state. When a trailer has been docked and secured, the GMTS can be…
The new line of Roots pumps from the HiLobe series (photo) cover a wide range of applications that require large chambers to be evacuated rapidly. These new Roots pumps handle a wide range of nominal pumping speeds up to 13,600…
The complete Nelprof valve sizing and selection software for all intelligent automated process valves (photo) is now available as a free web-based tool. With its advanced control-valve selection features, the Nelprof tool allows fast and reliable selection of this company's…
Smart DAC centrifugal mixers (photo) feature variable counter-rotation, increased mixing weight (250 g up to 2 kg) and volume (310 mL up to 2.8 L) and allows up to 30 min of mixing time. The mixers feature real-time temperature control,…