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Troubleshooting a Trayed Distillation Column
Presented here is the progress and resolution of a troubleshooting case involving a distillation column with a capacity reduction problem Troubleshooting distillation columns during operation is often the key to stable production at industrial facilities. The collection of troubleshooting references…
Entrainment Flooding and Weeping Velocities
Weeping and flooding phenomena set the vapor velocity in industrial distillation columns. Presented here are procedures for calculating flooding and weeping velocities in a four-pass sieve-tray column In industrial distillation, the term “weeping” is primarily used when the liquid in…
New electrode design improves electrochemical CO2-to-ethylene conversion
Electrochemically converting carbon dioxide into useful chemicals or fuels is a promising CO2-utilization strategy, but scaling up the process is a challenge. One reason is that the gas-diffusion electrodes (GDEs) used to facilitate contact between gaseous CO2, solid catalyst and…
Improve Ethylene Production Margins with Digitalization
Digitalization can help ethylene producers to flexibly respond to economic uncertainties and assess available options based on their existing infrastructure and priorities Post-pandemic, olefin and polyolefin producers have been faced with regional and global economic headwinds. Inflation, energy security, rising…
Single-atom catalysis reduces water-splitting costs
One of the main limiting factors in the production of “green” hydrogen via electrochemical water splitting is the relatively slow rate of the oxygen evolution reaction (OER) and the use of very expensive noble metals like iridium to catalyze the…
Confined-channel membrane architecture allows simultaneous oil and water recovery
Surfactants can stabilize oil and water in an emulsion, a useful mechanism in many industrial processes and in cleaning up oil spills. But separating and recovering the oil and water, such as for eliminating waste discharge, can be difficult. A…
Rational synthesis techniques lead to improved catalyst for dry methane reforming
Dry reforming of methane (DRM), in which carbon dioxide and methane are combined to form synthesis gas (H2 and CO), is an attractive route to making syngas because it does not require consumption of water and does not produce CO2…
Toray to build gigawatt-class mass-production system for water electrolyzer materials
Toray Industries, Inc. (Tokyo) announced that the Ministry of Economy, Trade and Industry has selected the company’s project to build a gigawatt-class mass production system for electrolyte membranes used in water electrolyzer for the Green Transformation Supply Chain Development Support…
Mitsubishi Power Americas and Pacific Northwest Hydrogen Association formalize partnership to advance hydrogen hub projects
Mitsubishi Power Americas, through its subsidiary MHI Hydrogen Infrastructure (MHI H2I), announces the recent signing of a subrecipient agreement between the Pacific Northwest Hydrogen Association (PNWH2) and MHI H2I’s Boardman Hydrogen Hub project. The PNWH2 Hub, one of the country’s…
New sustainable aluminum-powder facility using recycled materials to be built in India
Altana AG (Wesel, Germany) has announced that its group company, Eckart, has entered into a joint venture (JV) agreement with India-based sustainable manufacturing firm Runaya. The joint venture is establishing a new facility in Orissa (India), to produce sustainable spherical…