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Dual-functioning MOFs maintain a comfortable room humidity

Researchers from the King Abdullah University of Science and Technology (KAUST; Thuwal, Saudi Arabia; www.kaust.edu.sa) have developed a metal-organic framework (MOF) material that can regulate the humidity levels within the “window” established by the American Society of Heating, Refrigeration and…

Focus on Feeding and Weighing Bulk Solids

Single unit combines bin discharge and feeding The Gyro Ex Bin Activating Feeder/Discharger (photo) is a combination bin discharger and high-accuracy feeder that provides a turndown ratio of up to 100:1. It uses a radial force to create a uniform…

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Dry-Tray Pressure Drop of Sieve Trays Revisited

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…

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A probe that tests galvanizing kettles at high temperatures

To provide corrosion protection and long life, steel products are galvanized by immersion into kettles containing molten zinc. These galvanizing kettles need to be checked periodically to monitor rates of corrosion in order to avoid a catastrophic spillage of molten…

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A new zeolite catalyst promises to significantly improve naphtha cracking

Chiyoda Corp. (Yokohama, www.chiyoda-corp.com) has been working on a new naphtha cracking process with the aim of producing more propylene and consuming less energy than existing naphtha thermal-cracking methods. The company has recently developed a new catalyst based on iron-…

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Chementator briefs

Desalination Recently, Formosa Petrochemical Corp. (FPCC; Mailiao, Taiwan; www.fpcc.com.tw) commissioned IDE Technologies (Kadima, Israel; www.ide-tech.com) to build a desalination plant in Yunlin County, Taiwan that will be the first large-scale application for IDE’s high-purity boron-removal process. The three-step process combines…

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A ‘greener’ more sustainable route to trimethylgallium

Last month, the Precious Metals Chemistry business unit of Umicore AG & Co. KG (Hanau-Wolfgang, Germany; www.pmc.umicore.com) inaugurated its production unit for making trimethylgallium (TMGa) and triethylgallium (TEGa). The new facility uses a new, patented production process to make these…

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Fuel tank for natural gas vehicles moves toward commercialization

Natural gas vehicles (NGVs) are attractive because of the low cost and wide availability of natural gas, plus the ability to connect to residential and business gas lines for fueling. Among the challenges for using natural gas as a fuel…

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New process generates salable products from Marcellus produced water

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.…

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Bio-based xylitol lowers production costs

While demand for the artificial sweetener xylitol grows, expensive raw materials and low yields have kept production prices high. Now, a new process from S2G BioChem (Vancouver, B.C., Canada; www.s2gbiochem.com) aims to produce xylitol in a more cost-effective way, utilizing…