Hardware improvements and service programs add more value to today’s control valves Chemical processors demand reliability, safety and efficiency when selecting control valves. As a result, there have been significant advances to the equipment, including the use of better materials…
This company has launched three new second-generation TurboVap evaporation systems (LV, II and EH) to build upon the foundations of the TurboVap product line. The new TurboVap systems incorporate many new user-driven features. Each system has enhanced visibility, a compact…
Improved Raman spectrometer identifies materials The i-Raman Pro ST (photo) is a portable, high-throughput Raman spectrometer that uses the company’s patent-pending “See Through” technology, which enhances the Raman signature of the content. This added functionality allows for the identification of…
This column is based on “Diammonium Phosphate Production – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/diammonium-phosphate-production-cost. Diammonium phosphate (DAP) ranks among the most important phosphate-based fertilizers, not only for its high nutrient content, but…
With a thorough investigation and proper problem diagnosis, an entire gas plant limited by a deethanizer reboiler circuit was successfully debottlenecked This article describes a case study of a gas plant (designed by others) that was bottlenecked by the reboil…
The new SteriWare PharmaScoops sampling devices (photo) are made from a variety of materials (polystyrene, polypropylene and high-density polyethylene) and are available in white, red or blue. The scoops are manufactured in a medical cleanroom using FDA, EC 1935/2004 and…
Produced water from natural gas wells in the Marcellus Shale Deposit is extremely high in total dissolved solids (TDS; levels of 25–35% TDS are common) and barium, making the water difficult to re-use and requiring injection in underground geologic formations.…
Nippon Shokubai Co. (Osaka and Tokyo, Japan; www.shokubai.co.jp) has jointly developed a new process for biomass utilization in collaboration with professor Yuichi Kita at Kobe University (www.kobe-u.ac.jp). The process is highly efficient for decomposing lignocellulose into a group of water-soluble…
Data points from literature are refined into a single correlation defining dry-tray pressure drop in sieve trays The sieve tray has been in the marketplace as a distillation device for many decades. It has been used extensively on distillation tray…
Characterizing mixer impellers on the basis of power, flow, shear and efficiency Mixing has been defined as “the application of mechanical motion in order to create fluid dynamic effects that achieve a desired process result” [1]. The process result is…