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This MOF selectively captures radioactive iodine

A challenge in recovering fissile material from spent nuclear fuel is separating radioactive components that cannot be reused as fuel. Researchers at Sandia National Laboratory (Albuquerque, N.M.; www.sandia.gov) have fabricated metal-organic frameworks (MOFs) capable of selectively capturing gaseous iodine from…

Ten years of risk assessment for nanomaterials — conclusions to date: no unusual risks  

The intermediary report on "10 Years of Research: Risk Assessment, Human and Environmental Toxicology of Nanomaterials" by the joint Dechema/VCI Working Group "Responsible Production and Use of Nanomaterials" is now available in English. Experts from industry and research institutions have…

February Letters: Solutions for high-purity piping code

Solutions for high-purity piping code You ran a most illuminating article based on the new ASME code (July 2011, New Piping Code for High-Purity Processes, pp. 49–53), and I have been examining the welding industry’s response to the new challenges.…

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Choosing Oil-injected Screw Compressors

  Screw compressors are widely used throughout the chemical process industries (CPI) and represent a substantial percentage of all positive-displacement compressors that are now sold and in operation in CPI facilities. In general, screw compressors are efficient, reliable, simple and…

This metering pump now has a head made of PVC

The ecosmart metering pump is now available with a PVC pump head. That means the ecosmart can even be used in applications that require good resistance against highly aggressive chemicals — including industrial water-treatment systems, for example, where sodium hypochloride…

Longterm stability ensured with this new check valve

This company’s new generation of check valves features a hydrodynamically optimized valve cone, which minimizes the pressure loss while increasing flow by 25% compared to the previous generation. It is practically impossible for the valve cone to jam anymore since…

A turnkey and ready-to-use metering solution

DosaSkid is a “plug-and-play” metering device that can be used for a wide variety of applications, including desalination, boiler-water treatment, industrial water treatment, petroleum refining (additive injection), and clean-in-place tasks in the food-and-beverage industry. Two types of DosaSkid are available:…

This little pump handles fluids containing abrasive particles

Pumping fluids that contain abrasive particles, such as those found in inks and paints can have a detrimental effect on pump performance, with erosion being a key factor in reducing pump life. To meet these challenges, this company has introduced…

Fugitive emissions are minimized with this control valve

The Neles Finetrol rotary control valve can achieve certification approval for ISO 15848-1 class BH fugitive emissions in the most demanding endurance class CH-3 (100,000 mechanical cycles). The new design reduces health and safety risks, says the manufacturer, because leakage…

A locknut for severe weather, vibrations and other extremes

This all-metal, free-running, self-energizing reusable locknut is manufactured in stainless steel (303, A286 or 90) and 95% Ni stainless-steel alloy and is suitable for protecting and preserving bolts, studs and axle shafts where vibration, tensile strength, corrosion and elevated temperatures…