The SIL3-rated MTL 4850 Hart Multiplexer is suitable for connecting to instrument loops performing safety functions, and is designed to ensure that there is no effect on the analog loops to which it is connected. Multiple concurrent faults in the…
Airborne respiratory hazards are a very real threat in the chemical process industries (CPI). Existing in a variety of forms including gases, vapors, dusts, mists, fumes, smoke, sprays and fog, such hazards can cause illnesses including cancer and lung impairment,…
Conqueror MAG safety glasses provide stylish bifocal eyewear protection and are designed for workers performing detailed tasks. Because the glasses are bifocals, there is no need to switch between regular safety glasses and reading glasses, a maneuver that results in…
Leading up to this month’s 2012 U.S. Presidential election, the legislative landscape has been relatively uneventful. On top of their preoccupation with the election campaigns, lawmakers on both sides of the political spectrum have been reluctant to pin their agendas…
Preventing dust explosions is not rocket science, and still these disasters occur. This article is written to help prevent these accidents. It describes how and why these explosions happen and what can be done to avoid them. Why they occur…
The Atlas line of rupture discs extends the pressure capabilities of products made with this company’s G2 technology. The term G2 refers to a patented manufacturing technique for rupture discs that avoids the use of hard-score tooling. The process builds…
This article covers permitting and directly related design issues associated with thermal processes used for drying and calcining, using the production of ceramic proppants as an illustrative example. While the magnitude of permitting issues varies significantly with air-quality attainment area…
A process developed by Lehigh Technologies (Lehigh; Tucker, Ga.; www.lehightechnologies.com) for embrittling and milling rubber from end-of-life vehicle-tire material is capable of generating micron-scale rubber particles that can be used in a host of rubber, foam and plastic products to…
Manufacturer’s warranty period extended to two years Trolex This manufacturer of gas detection and environmental monitoring systems has extended its warranty period to two years, providing additional coverage for all of its equipment. The company also offers a service contract…
Vacuum conditions for many unit operations — including distillation, evaporation, drying, crystallization, filtration and more — are typically achieved using the following three approaches: • Steam ejector systems • Mechanical vacuum pumps • Integrated vacuum systems (which combine steam ejectors…