Mobile Navigation

New Delta Hybrid series

The Delta Hybrid series (photo) offers an innovative solution for the pneumatic conveying of sensitive, powdery and granular media. The rotary lobe compressors or screw blowers can offer maximum energy efficiency, minimum lifecycle costs, 100% pure and reliable process air…

Member Exclusive

Chementator Briefs

Catalysts by AM In late September, BASF SE (Ludwigshafen, Germany; www.basf.com) introduced X3D, a new additive-manufacturing (AM; 3D printing) technology for shaping catalysts. Catalysts produced with this technology feature an open structure, resulting in a reduction of the pressure drop…

Valves: Essential Workhorses

Concise tips on selecting the right valve A typical chemical plant contains miles of piping and hundreds, if not thousands, of industrial valves (Figure 1) that are essential for the plant to operate efficiently and safely. Unlike the simple consumer…

Member Exclusive

Engineering duckweed to increase oil production

Scientists at the U.S. Dept. of Energy’s Brookhaven National Laboratory (BNL; Upton, N.Y.; www.bnl.gov) and collaborators at Cold Spring Harbor Laboratory (CSHL; Laurel Hollow, N.Y.; www.cshl.edu) have genetically engineered a strain of duckweed (Lemna japonica) to produce high yields of…

Milling in the Pharmaceutical Industry

Milling active ingredients combines equipment selection, material characterization, and process characterization, with the aim of improving and controlling the properties of the solid crystalline drug substance. These topics are discussed here Milling is a common technique used for the reduction…

A one-stop shop for combustion maintenance

This company is introducing several new combustion maintenance kits (photo) for its WDG-V, WDG-IV and WDG-HPII analyzers. Users can purchase everything they need to maintain and service their combustion analyzers in a ready-made kit, using only one part number. Assembled…

Safety Relief Valves: Installation and Maintenance

Using proper installation practices and adhering to maintenance schedules helps ensure reliable operation of safety-relief valves Safety-relief valves are critical components of any pressurized system. In fact, a functioning safety-relief valve could be the most important piece of equipment on…

New Membrane Applications for Traditional Water-Treatment Processes

Membrane-supported processes can bring many benefits in water-treatment applications where membranes have not traditionally been used Reverse osmosis (RO) is the standard treatment technology for purifying water supplies for potable water applications and many industrial processes. One of four crossflow,…

Member Exclusive

Lessons Learned in the Classroom: Tower Pressure and Capacity

Henry Kister shares lessons learned from troubleshooting distillation towers In my courses, I discuss the effect of column operating pressure on flooding and capacity. There are two counteracting effects: The volatility effect increases in importance at higher pressures and for…

Show Preview – Weftec 2022

Organized by The Water Environment Federation (Alexandria, Va.; www.wef.org), this year’s Weftec conference and exhibition is taking place October 8–12 in New Orleans, La. Focusing on the water and wastewater industries, the event will feature a large exhibit hall, an…