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Processing & Handling

Focus on Pumps

Use these pumps where product containment is important Wilden This company recently announced the availability of its PX800 Advanced Series Stainless Steel AODD Pump (photo). The new PX800 design is center-ported and features a full 51-mm (2-in.) flow path and…

These drilling-mud mixers have advanced gearboxes

Drilling-mud mixers from this company feature high-efficiency gearboxes designed specifically for agitator service and have configurations for application requirements that are unique to mud-mixing. The advanced impeller technology enhances mixing performance, the company says, and proprietary analysis software is available…

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Iron-based catalyst shows promise for alkene hydrosilylations

A catalyst in which iron atoms are complexed with the ligand pyridine diimine (PDI) has shown promise as a replacement for high-cost platinum-based catalysts for industrial olefin-hydrosilylation reactions. Developed by the research group of Paul Chirik at Princeton University (www.…

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Making structured carbon fibers from polyethylene

Researches at the U.S. Dept. of Energy’s Oak Ridge National Laboratory (ORNL; Oak Ridge, Tenn.; www.ornl.gov) are developing a process that makes carbon fibers with customized surface contours from polyethylene-based fibers. The patent-pending technique uses a combination of fiber-spinning and…

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This new LTS catalyst delivers a boost for H2 and NH3 production

In conventional hydrogen and ammonia plants, the final conversion of CO to H2 occurs across the low-temperature shift (LTS) catalyst. This makes the LTS catalyst one of the most important catalysts in the plant — even small changes in its…

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This new route to PLA requires no organic solvent or metal catalyst

A process to make polylactic acid (PLA) that requires no solvent or metal catalyst has been developed by Ricoh Co. (Ricoh; Tokyo, www.ricoh.com), in cooperation with Shizuoka University. Ricoh’s continuous PLA process is based on a commercially available organic catalyst…

Focus on Physical Properties To Improve Processes

Music is nature’s gift to humans. Irrespective of nationality, we all like to hum melodies, tap rhythms and sway to pleasing tunes. Even children just learning to stand enjoy wiggling to good music. In all cultures, the notes that comprise…

This ball valve has pressed-end connections

A three-piece, stainless-steel ball valve features this company’s Smart Connect feature for joining pipes without welding. The ball valves are available in two grades of stainless-steel grades (304 and 316), in sizes from 0.5 to 2.0 in., and with more…

Battery performance is enhanced with these additives

One additive intended for use in lead-acid batteries for micro-hybrid gasoline engines, and another for lithium-ion batteries in electric vehicles, can improve battery performance. PBX51 is a performance additive designed to improve performance and lifetime for lead-acid batteries requiring high…

This gear pump delivers smooth flows up to 5 gal/min

The Model TG-300 variable-speed low-flow pump is a positive displacement gear pump designed for smooth, continuous flows from 0 to 400 mL/min (0–5 gal/h). Fluids compatible with aluminum, steel, Viton and Teflon-wetted materials and viscosities of 30–600 cSt can be…