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Separation Processes

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A simpler way to recover purified graphite from spent batteries

A new recycling process claims to significantly reduce the complexity of recovering graphite from spent lithium-ion battery (LIB) materials by leaching out impurities rather than leaching out metal. By extracting impurities and recovering high-grade graphite, the Hydro-to-Anode technology, developed by…

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Mixed-salt processes target lower-cost CO2 capture

A mixed-salt process (MSP) designed to reduce the costs and increase the energy efficiency of removing carbon dioxide from post-combustion fluegas is advancing in two related projects. In the first, a 10-MW engineering-scale demonstration plant for the MSP is under…

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Gas Trapping Can Unsettle Distillation Columns

Operational troubleshooting guidance is provided for several scenarios involving trapped non-condensable gases in distillation towers Non-condensable gases are often present in distillation towers, either expectedly or unexpectedly. When they do appear, or when the quantity of non-condensable gases varies from…

thyssenkrupp wins an order for a pharma-grade SFE plant for solids extraction

thyssenkrupp’s Uhde High Pressure Technologies GmbH (Hagen, Germany). won an order from a company in the specialty chemicals sector to fabricate and supply a pharma-grade supercritical fluid extraction (SFE) plant. The scope of supply includes the skid-mounted plant, as well…

CPI Booklist for March 2022

March 2022: The following is a list of recently published books that may be of interest to professionals in the chemical process industries (CPI) Overpressure Protection in the Process Industry: A Critical View. By Marc Hellemans, Elsevier Press, 2022, 396…

An Overview of Synthetic Filter Media

Many factors impact the performance of synthetic filtration media, from thread and weave styles to drainage and coverage considerations Under the broad umbrella of filter media, there are many synthetic media materials, including woven filter cloths, woven and non-woven fabric…

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Ultra-rapid production of battery materials using plasma technology

A new ultra-rapid plasma-based process could significantly expand the availability of premium materials for battery applications. Developed by 6K, Inc. (North Andover, Mass.; www.6kinc.com), UniMelt is a single-pass, continuous process that employs a proprietary microwave torch technology to create a…

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Crystallization for Ultra-Pure Chemicals

Optimized crystallization units can help address the challenges posed by product-purity requirements in the battery industry Crystallization is a key purification process that has been used for decades to refine sugar, produce essential pharmaceuticals and recover valuable salts. Producers of…

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Smarter Chemical Recovery in Pulping Facilities

Evaporation and crystallization technologies have the ability to create advantages for pulping facilities by improving operational efficiency and reducing waste, while simultaneously producing high-value product streams The emergence of new products and markets is driving a global renaissance of the…

BASF and Heraeus to form a JV for precious-metal recycling solutions in China

BASF SE (Ludwigshafen) and Heraeus Precious Metals (Hanau, both Germany) have agreed to form a 50–50 joint venture (JV) to recover precious metals from spent automotive catalysts. The new company named BASF Heraeus (China) Metal Resource Co., Ltd. will be…