Pneumatic conveying uses air to either push (positive pressure) or pull (negative pressure) solid material through a conveying line. The characteristics of the solid materials being conveyed play a significant role in how the pneumatic conveying system is designed and…
Thin-film polymer membranes have been very effective for industrial-scale desalination of seawater, but have not been used for separation of liquid hydrocarbon mixtures because oil-separation membranes tend to absorb oil components and swell, which eliminates their size-sieving ability to separate…
Bulk-solid waste materials present unique handling challenges. Presented here is a discussion on how to navigate those challenges, along with some characterization strategies to avoid them Across industry sectors, solid waste materials are common and highly varied. The complexities of…
Innovative burner and combustion systems optimize combustion, improving safety, effectiveness and efficiency while lowering emissions In burner and combustion operations, chemical processors must balance emissions and safety requirements with achieving optimal system performance in a cost-effective way. Further, many chemical…
A new gasification process designed for the disposal of biosolids is also capable of destroying per- and polyfluoroalkyl substances (PFAS) contaminants, which are typically very resistant to conventional treatment processes. Aries Clean Technologies (Franklin, Tenn.; www.ariescleantech.com) recently validated its fluidized-bed…
Water contamination from per- and polyfluoroalkyl substances (PFAS) compounds is one of the most significant environmental and health issues globally. In particular, effectively breaking the carbon-fluorine bonds that are paramount to the stability and persistent nature of PFAS is extremely…
For novel process technologies, each development stage brings new safety obligations. This guide provides a practical framework for navigating safety responsibilities from early R&D to commercialization Developing new process technologies — especially those involving hazardous materials or operations at high…
A “plug-and-play” microbial technology enables the recovery of additional copper from low-grade ores when used alongside traditional sulfuric-acid heap-leach methods. Working synergistically within the existing heap-leach infrastructure, the unique microbial communities that have been cultivated by Endolith (Westminster, Colo.; www.endolithmining.com)…
Hydrogen can be a zero-emissions fuel source, but its storage and transportation are costly and problematic, limiting its widespread use. Liquid organic hydrogen carriers (LOHCs), in which hydrogen atoms are chemically bound to liquid hydrocarbons via reversible hydrogenation reactions, offer…
The market for lithium-ion batteries continues to grow, driven by demands for consumer electronics, renewable energy storage and electric vehicles. The manufacture of these batteries is itself energy-intensive, with production steps that typically involve creating a slurry for a wet-coating…