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Cut energy costs in half with these vacuum pumps

This company expands its GHS-VSD+ series of variable-speed driven vacuum pumps with the addition of three new models, extending pumping capacities up to 4,800 m3/h. The new GHS 3800-5400 VSD+ rotary screw pumps (photo) are particularly suited for large industrial…

Reducing emissions from low-pressure storage tanks

The Enardo ES-665 spring-loaded thief hatch for use on low-pressure storage tanks (photo) is engineered with increased sealing forces, as well as with a tight and consistent fit of the sealing surfaces, resulting in emissions-reduction performance of 0.10 std. ft3…

Control filter pressure in limited space with this gage

With a nominal size of 63 mm and an insertion depth of 32 mm, the A2G-mini differential-pressure gage (photo) has been developed with a view to the E.U. directive for energy-efficient ventilation and air-conditioning systems. Beginning January 1st, 2018, all…

Batch mixers with adjustable power options

The GBM single-shaft paddle mixer (photo) for powder solutions is available in sizes from 50 to 4,400 L of useful volume per batch. The GBM features a short mixing time, varying between 8 to 12 batches per hour and the…

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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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A new catalyst for making methane from CO2 and H2

The Sabatier reaction, in which H2 and CO2 react at temperatures of 300–400°C in the presence of a nickel catalyst, or an alumina-supported ruthenium catalyst, is one way to reduce CO2 into methane. Until now, however, it has been difficult…

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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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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…