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Facts At Your Fingertips: Valve Actuator Types
Actuators are attached to the control mechanism of a valve to replace a manual lever or handle, and they control the position of a valve (open, closed or specific position) remotely and automatically. In industrial applications, numerous types of actuators…
Focus: Solids Storage and Handling
This conveyor accommodates discharge heights up to 40 ft The Helix® flexible screw conveyor (photo) is designed to excel in multiple applications, from bulk material transport to precise batching and blending, effectively accommodating powders, granules and irregularly shaped materials. The…
Two-pronged approach recycles textile waste while also producing glucose
Glucose is a key pillar in producing bio-based alternatives to conventional chemicals, but finding industrially viable, non-food-competitive sources for glucose has proven challenging, due to the difficulty in obtaining glucose from hemicellulosic materials, such as woody biomass, in a cost…
Seawater-derived solids can serve as carbon-negative components of concrete
Aggregate — solid materials like sand, gravel and crushed stone — is combined with cement to make concrete, the world’s most widely used human-made material. But sand is in short supply, so there is a need for alternate materials to…
Differences of Temperature-control Devices: Heat Exchangers, Coolers and Heaters
Understanding the differences among key temperature-control devices, such as heaters, coolers and heat exchangers, allows users to realize their unique benefits When it comes to temperature control in industrial, commercial and residential settings, three key devices are often considered: heat…
SAFs from multiple feedstocks at lower cost
A pilot project completed at the end of last year demonstrated the ability of a technology to convert a range of feedstocks into sustainable aviation fuel (SAF) at lower cost than current ethanol-to-jet (ETJ) processes. Universal Fuel Technologies (UniFuel; Los…
Emissions Mitigation: Each Process Requires a Unique Decarbonization Solution
Industries face significant emissions-reduction and decarbonization challenges, but there is a clear path forward through strategic adoption of process optimization and new technology integration The chemical process industries (CPI) and associated value chains are as diverse as the products they…
An integrated process makes valuable mid-chain carboxylic acids from organic waste
A dual process strategy bridging fermentation and electrochemistry is enabling the production of mid-chain carboxylic acids (MCCAs) — important and valuable precursors to a number of products — using inexpensive organic waste streams from breweries, distilleries and dairies. Developed by…
Pilot planned for electrochemical extraction of REEs and other critical metals
Construction is planned for a pilot plant that will demonstrate a modular electrochemical technology for extracting rare-earth elements (REEs) and nickel from industrial wastes, such as coal ash. The startup Blueshift (Boston, Mass.; www.buildblueshift.com) recently announced venture capital funds that…
Selective silica removal makes for better bauxite beneficiation
The extraction of alumina from bauxite is significantly impacted by the silica content of the ore — specifically the presence of silica in kaolinite (Al2Si2O5(OH)4). This is because traditional bauxite-beneficiation methods, such as washing, flotation and particle-size separation, also typically…