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Environment, Health, Safety & Security

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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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The Next Generation of Overpressure Protection

Overpressure protection is at the center of process safety across all chemical processing sectors. As processes and technologies evolve, it is essential that safety systems can adapt to provide the utmost levels of protection All over the chemical process industries…

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Facts At Your Fingertips: Bolted Flange Joint Assemblies

Flange-bolted joints enable connections of singular segments of pipes into more complex sections, as well as joining measuring and process devices, such as flowmeters, pumps, fans and pressure vessels. These joints are potential sources of leakage, which can introduce safety…

Recycling plastics

Separating recyclables from our trash has become commonplace for many of us. What can be recycled and how it is collected, however, varies quite a bit by location. My town, for example, accepts plastics #1 (polyethylene terephthalate; PET), #2 (high-density…

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Reducing Emissions for Sustainable Manufacturing

Facilities can reduce emissions without major capital projects. Here are some practical ideas showing where to start People working in the air-pollution control industry used to boast that you can remove everything from fluegas except carbon dioxide, and it remains…

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New heating method tackles PFAS contamination on spent treatment media

There are several established technologies to remove per- and polyfluoroalkyl substances (PFAS) from water, including membranes and adsorbents. However, such purification media can pose disposal challenges due to the potential for further PFAS contamination stemming from the spent media. Now,…

New adsorbent removes radioactive cesium ions from nuclear wastewater

One of the major byproducts of the nuclear fission process used for power generation is 137Cs, a radioactive isotope of Cs that has a half-life of 30 years and is often removed from nuclear-power-plant wastewater via selective adsorption using ion…

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Electrochemical amalgamation effectively removes mercury from concentrated H2SO4

It is well known that mercury is not only toxic, but is also highly mobile. As a result, Hg emissions from both industrial processes (gold mining, combustion of fossil fuels, cement production, waste incineration and more), as well as natural…

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Minimizing the Effects of VOCs and Reactive Gases on Industrial-Grade LED Lighting

Chemical plants should not overlook the potential problems that can arise from damaged or malfunctioning lighting fixtures It is no secret that many chemical plants and industrial sites are prone to harsh environmental conditions that can wreak havoc on equipment…

Proactively Achieving Emissions Reduction

At the outset, tackling emissions-reduction projects to achieve regulatory compliance can seem daunting, but by taking a proactive approach, leaks can be handled before they become a serious emissions issue To meet global emissions-reduction targets, chemical processing facilities are facing…