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The shortness of time . . .

As I get older, time seems to get shorter. Although many experience this feeling, the duration of time is not changing, only our perception of it. However, in the five decades I have been involved in science, the timescale at…

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A new heat-resistant membrane

Most polymeric membranes degrade during use, making them impractical for industrial separation processes. To solve this problem, researchers from the State University of New York at Buffalo (SUNY Buffalo; www.buffalo.com), with cooperation for scientists at Rensselar Polytechnic Institute, have created…

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First-phase pilot tests completed to demonstrate RotoDynamic technology

Coolbrook Oy (Helsinki, Finland; www.coolbrook.com) has successfully completed the first phase of large-scale pilot testing (photo) for its RotoDynamic Technology at the Brightlands Chemelot Campus in Geleen, the Netherlands. During 2023, Coolbrook has been running a test program to demonstrate…

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Closed-loop CO2-based energy-storage system slated for Wisconsin

Alliant Energy (Madison, Wis.; www.alliantenergy.com) was recently selected to receive a $30-million grant from the U.S. Dept. of Energy’s Office of Clean Energy Demonstrations (OCED; Washington, D.C.; www.energy.gov/oced) for a proposed 200-MWh energy storage system. Alliant Energy’s new battery system,…

Chementator Briefs

Bio-acrylonitrile Site selection is underway for a glycerol-to-acrylonitrile demonstration-scale plant that will enable the production of plant-based acrylonitrile (ACN). Trillium (Knoxville, Tenn.; www.trilliumchemicals.com) is partnering with Zeton (Oakville, Ont.; www.zeton.com) to design and build the plant, known as Project Falcon.…

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Precise degradation control is key to advanced bioresorbable polymers

Bioresorbable polymers — those that degrade naturally over time and can be absorbed by the body — are essential for delivering a number of advanced biomedical technologies to patients, including long-acting injectable or implanted products, regenerative scaffolds, degradable medical devices,…

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A single flow reactor produces a toxic precursor, an unstable reagent and product

The Vilsmeier reagent (VR), [(CH3)2 NCHCl]Cl, is necessary for producing a large range of pharmaceuticals, but it is unstable in air and is made from the toxic precursor phosgene (COCl2). A new flow-reactor system has been developed by Akihiko Tsuda,…

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Hydrogen Production via Methane Pyrolysis: An Overview of ‘Turquoise’ Hydrogen

‘Turquoise’ hydrogen processes generate H2 without releasing CO2. Presented here are the opportunities and challenges for producing hydrogen by methane pyrolysis Hydrogen-producing processes are classified using a color scheme according to their carbon footprint (Table 1; [1–3]). So-called “turquoise hydrogen”…

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Modular Construction Encourages New Applications

The efficiency and cost effectiveness of modularity provides advantages for small- and large-scale projects When the right conditions exist, the benefits of modular construction — from laboratory scale to large scale — are plentiful and allow single-source, cost-effective and efficient…

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Safely Operating a Heat-Transfer-Fluid System

Being aware of and understanding potential hazards are crucial for operating a heat-transfer-fluid system safely A significant number of industrial processes require heating or cooling with precise temperature control. Maintaining this temperature control can be achieved through several industrial practices,…