The Speed Handle kit for butterfly valves (photo) consists of this company’s PlasGear handwheel and an attached grip, and allows for smoother and faster single-handed revolutions for quicker valve actuation. The Speed Handle grip is constructed of black Nylon 6…
Flooded condensers are the prime tower pressure-control methods for total condensers that generate only liquid products, and although these control methods can be troublesome, a good understanding of their principles will help achieve improved, trouble-free operations Pressure is the most…
Don’t panic — What appear to be scratches on a vessel may be an illusion caused by improperly applied LED lighting Imagine looking into a sight glass for a routine tank inspection, and seeing for the first time numerous scratches…
When hoppers are designed without consideration of the actual materials being handled, problems inevitably arise. Follow this guidance to avoid common solids-handling issues, such as erratic flow and no flow Pivotal work on the development of the theory of bulk…
Ultrafiltration A new ultrafiltration fiber can increase permeability by 35% compared to previous generation fibers for wastewater treatment, according to developer Dow Water & Process Solutions (Midland, Mich.; www.dow.com). The XP Fiber was incorporated into the companys commercial UF modules,…
The Kinetic Turbo Aerator provides aeration for industries that require high-quality air processing, such as wastewater treatment, food and beverage, pharmaceutical and chemical processing. The Kinetic Turbo Aerator uses a single shaft coupling the impeller and direct-drive high-speed permanent magnet…
A new self-cleaning filter from Spiral Water Technologies Inc. (San Rafael, Calif.; www.spiralwater.com) can efficiently treat water with 25,000 mg/L total suspended solids (TSS). According to Spiral Water CEO Ashwin Gulati, the filters use much less energy — reportedly just…
Acoustic wave separation (AWS) technology can improve cell-culture clarification in biopharmaceutical applications by enabling high-efficiency, continuous removal of cells in a closed system without centrifugation. Developed by FloDesign Sonics (Wilbraham, Mass.; www.flodesign.org) and licensed to Pall Corp. (Port Washington, N.Y.;…
Scientists at Flinders University (Adelaide, Australia; www.flinders.edu.au) have synthesized a new polymer that is extremely effective at binding to mercury for removal from water and soil. The new material — called sulfur-limonene polysulfide — is created from a reaction (diagram)…
Last month, Zeon Corp. (Tokyo, Japan; www.zeon.co.jp) started up the worlds first mass-production plant for high-grade carbon nanotubes (CNTs) at its Tokuyama facility in Shunan City, Yamaguchi Prefecture, Japan. The plant produces CNTs with more than 99% purity using the…