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    A chemical process often must include specific steps to transform the raw product into one that has the exact purity and properties desired. The material may contain coproducts and impurities that must be removed fully or partially. In addition, the need for particular physical or other properties may require the material to go through certain operations.

    Articles

    Evonik Industries.
    evonik gas separation membranes with hollow fiber technology
    As companies invest in sustainable separation methods, membrane technology offers efficient gas separation solutions.
    Shutterstock/Canva
    Energy Saver
    New membrane-based technologies for brine concentration could cut energy use by up to 50% compared to traditional thermal methods.
    Shutterstock
    Logo of Exxon Mobil hit by judge's gavel.
    Oil giant alleges California AG and environmental groups caused lost business deals by falsely portraying its advanced plastics recycling as a "sham."
    Shutterstock
    bottom view of the distillation columns of the oil and gas industry
    This emerging technology promises up to 40% energy savings while reducing capital costs and carbon footprint in industrial chemical processes.

    News

    Shutterstock
    ammonia production plant
    Amanda Joshi
    April 9, 2025
    CF Industries secures funding for a $4 billion low-carbon ammonia production facility in a joint venture with JERA and Mitsui. The plant will have carbon-capture technology and...
    Shutterstock
    Membrane development
    Amanda Joshi
    Feb. 26, 2025
    Pilot plant for production of anion exchange membranes in Germany to begin operations near year end.
    Messer
    Messer Air Separation Unit
    Amanda Joshi
    Jan. 21, 2025
    A new $70-million facility in Berryville will help meet the growing demand for industrial gases in the region.
    ar0035-22-knovel-books-news-image
    April 22, 2022
    New books on sustainability, process safety and design are available.

    Figure 1. The LOFTREX Nylon filter cartridge product range includes a variety of lengths and pore sizes. In its production processes, Levaco uses filter cartridges with a retention rating of 100 µm.
    Wim Callaert
    Jan. 25, 2023
    Eaton's filtration engineers chose Loftrex Nylon filter cartridges with a retention rating of 100 µm to provide the ideal homogenization of the amine condensate.
    Source: Arges Lab/Penn State.
    MEMBRANE RESEARCH
    Oct. 3, 2022
    Membrane capacitive deionization technology has the potential to make water purification more portable for use in remote or disaster-relief areas.
    Fig-1-nanofiltration
    July 6, 2022
    Tunable pores enhance selectivity and energy efficiency
    carbon-dioxide-capture
    June 3, 2022
    Novel membrane method increases selectivity with little reduction in permeability