Introduced in January, Baynox Ultra is a highly active liquid stabilizer specially designed for biodiesel made from polyunsaturated fatty acids, such as soybean and sunflower methyl esters. This easily metered additive contains a balanced blend of highly active antioxidants and…
The Ruggedcom RX1400 is a multiprotocol intelligent node that combines Ethernet switching, routing and firewall functionality with various WAN connectivity options. The device is IP40 rated, does not use fans for cooling, operates continuously within a –40 to 85°C temperature…
This manufacturer of air-operated double-diaphragm (AODD) pumps has recently introduced its 76-mm (3-in.) size Full-Stroke Integral Piston Diaphragm (FSIPD). The new FSIPD (photo) is ideal for use in the company’s Saniflo FDA pumps, as well as its Original, Advanced and…
High-level detector has mercury-free tilt switch The patent-pending BM-TSM tilt switch (photo) used for high-level detection of powders and bulk solids mounts on the top of bins and activates an alarm when material rises and tilts the switching mechanism by…
Good role models can greatly influence the path of a person’s career. While role models don’t always receive awards, recent announcements of award recipients describe a number of professionals in chemistry and chemical engineering who have been singled out for…
The new Type 3379 Pneumatic Actuator is tailored to the requirements of hygienic applications. All moving parts are contained in a housing with a smooth stainless-steel finish, making it easy to clean. The internal air-routing prevents dirt or water from…
Despite their apparent simplicity, the complexity of these conveying systems demands proper design and an understanding of the underlying principles Screw conveyors play a major role in a wide variety of industrial operations that involve the handling of bulk solids.…
Consolidating multiple flares can help mitigate emissions and maintenance Chris Ng and Zubin Kumana Siemens, Process Safety Consulting Many petroleum-refining and petrochemical facilities have experienced tremendous growth in recent years in response to increasing demand for fuels and chemical precursors.…
Ensuring optimal performance of shell-and-tube heat exchangers requires knowledge of the controlling fluid, correct exchanger geometry and configuration, as well as proper fluid placement Satyendra Kumar Singh Simon India Ltd. Optimizing the thermal design of a shell-and-tube heat exchanger…
Applying dynamic simulation models to tube-rupture scenarios can help ensure more accurate sizing and hazard assessments Tube rupture in heat exchangers is an extremely serious issue in the chemical process industries (CPI; Figure 1). Heat-exchanger tube-rupture scenarios can be evaluated…