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Separation Processes

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Converting natural gas to alcohols using MOFs

Capturing natural gas from petroleum drilling wells is economically challenging, but would have positive environmental impacts because it would eliminate the need for flaring and could allow the hydrocarbons to be converted into useful chemicals. Now, research led by chemists…

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Direct molten-salt electroplating cuts battery costs

The extremely high material purity demanded for conventional lithium-ion battery manufacturing creates considerable costs for transporting and refining lithium and other raw materials. Through the development of a single-step electroplating process that uses lower-purity raw materials and a nanostructured-foam electrode…

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First commercial DAC facility in the U.S. captures CO2 for concrete

In November 2023, Heirloom Carbon Technologies (Tracy, Calif.; www.heirloomcarbon.com) unveiled the United States’ first commercial direct air capture (DAC) facility, which can capture up to 1,000 ton/yr of CO2. The process first uses renewable energy to remove CO2 from limestone…

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Fouling-immune membrane available for brackish-water RO applications

In November 2023, the first commercial test was initiated for a novel, fouling-immune membrane for brackish-water reverse osmosis (BWRO) applications through an early-access program. Membrane developer ZwitterCo (Woburn, Mass.; www.zwitterco.com) says its membrane is fouling-immune in cases where fouling of…

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Steam Reboilers: Condensate Vessel Balance to Reboiler is Important

Properly locating a simple 1–2-in. balance line can make all the difference in successful reboiler operation Steam reboilers are crucial to production in petroleum refineries and petrochemical plants, representing huge capital investment in distillation columns. Regardless of the investment made…

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Upcycling waste ammonia from beef farming

A new ammonia-recovery plant has begun steady-state operation to demonstrate a patented process to upcycle the ammonia content from cattle manure into stabilized fertilizer ingredients. The Ammonia Recovery System (ARS) was developed by Bion Environmental Technologies, Inc. (Old Bethpage, N.Y.;…

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Scaleup of a process that makes an alternative to palm oil

A process to produce an alternative to palm oil for food applications, developed by scientists at Nanyang Technological University, Singapore (NTU Singapore; www.ntu.edu.sg), will be scaled up for commercial production through a partnership with Eves Energy Pte. Ltd. (Singapore; www.eves-energy.com).…

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Membranes and Filters Handle Separation Issues

Tailored separation systems address energy consumption and fouling while supporting sustainability Recently there has been a demand for separation technologies that are better suited to specific applications and a more sustainable world, so providers of filters and membranes have begun…

Recently Published Books for the CPI: November 2023

The following is a selection of recently published books with relevance to parts of the chemical process industries (CPI) Integrated Process Modeling, Advanced Control and Data Analytics for Optimizing Polyolefin Manufacturing. By Y.A. Liu and Niket Sharma, Wiley-VCH Publishing, 2023,…

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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…