Traditionally, many polymerization reactions are carried out batchwise in reactor vessels, with the reaction taking place in solution, emulsion or in a melt. This procedure reaches its limits if, for example, the reaction is very exothermic or the viscosity increases…
This company has introduced new 6- and 8-in. valve sizes for its Model CV valve product line (photo). The new valves are available in actuated and manual versions with both featuring a Class 150 pressure rating. Additionally, the company is…
The efficiency of steam-generating and distribution systems can be improved incrementally, but more substantial gains can be found using pinch analysis for better heat recovery When it comes to improving the energy efficiency of a thermal system, most industrial organizations…
Plant Watch Agilyx polystyrene depolymerization plant commissioned in Japan June 7, 2024 — Agilyx ASA (Tigard, Ore.; www.agilyx.com) announced that its depolymerization technology was successfully demonstrated during commissioning of Toyo Styrene’s 10-ton/d chemical recycling facility in Japan. The recycling plant…
A research team led by Kenneth C. Neyerlin at the National Renewable Energy Laboratory (NREL; Golden, Colo.; www.nrel.gov), with members from Argonne National Laboratory (Lemont, Ill; www.anl.gov) and Oak Ridge National Laboratory (Tenn.; www.ornl.gov) has developed a membrane electrode assembly…
The ASCO Series 148/149 safety valve and motorized actuator (photo) is designed for industrial fuel-oil burner recirculation and safety shutoff applications. The new device prevents overpressure, leaks and system malfunctions that can lead to health and safety incidents, with one…
In a first-of-its-kind trial project, a CO2-removal method known as enhanced rock weathering (ERW) is being combined with biotechnology to accelerate atmospheric CO2 sequestration. FabricNano (London, U.K.; www.fabricnano.com) and Veolia (Paris, France; www.veolia.com) have embarked on a partnership wherein enzymes…
The V-Cone Blenders utilize diffusion as the main mechanism for mixing. As the V-shaped vessel rotates on its horizontal axis, batch materials cascade down, distributing particles over a freshly exposed surface. With operating speeds of 5 to 25 rpm, this…
Evonik (Essen, Germany; www.evonik.com) has inaugurated a plant for its innovative dispersion technology for fumed silica at its Rheinfelden site. This strengthens the specialty chemicals company’s position as a leading supplier of high-quality silicas from the AEROSIL® family. The new…
Technip Energies (Paris; www.ten.com) and Shell Catalysts & Technologies (Houston; www.shell.com) announce a technology transfer agreement which accelerates the commercialization of Technip Energies’ Bio-2-GlycolsTM technology for bio-based Mono Ethylene Glycol (MEG) production from glucose. MEG is traditionally produced using fossil-based…