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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

    What’s New in Gas Separation Membrane Developments?

    Seán Ottewell
    As companies invest in sustainable separation methods, membrane technology offers efficient gas separation solutions.
    Shutterstock/Canva
    Energy Saver

    Consider Energy-Smart Water Processing Through Advanced Membranes

    Thomas Kwan
    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.

    Exxon Takes Offensive Against Critics, Files Defamation Suit Over Recycling Claims

    Jonathan Katz
    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

    Energy Saver: Dividing Wall Columns Supercharge Distillation Efficiency

    Thomas Kwan
    This emerging technology promises up to 40% energy savings while reducing capital costs and carbon footprint in industrial chemical processes.

    News

    Shutterstock
    Membrane development

    Evonik Building Pilot Plant for Membranes Used in Green Hydrogen Production

    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

    Messer to Open New Air Separation Unit in Arkansas

    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

    IChemE Adds 25 New Technical Books To Free Library

    April 22, 2022
    New books on sustainability, process safety and design are available.
    2022-01-20-full-scale-pilot-plant-small

    Linde Membrane Extracts Hydrogen From Natural Gas

    Jan. 25, 2022
    The full-scale plant at Linde’s production site in Dormagen, Germany, features Linde’s Hiselect powered by Evonik membrane technology to extract hydrogen from natural gas pipelines...

    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.

    Filtration Solution Outperforms Standard

    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

    Water Treatment: Membranes Deliver Purification Portability

    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

    Nanoscale Membranes Boost Organic Separations

    July 6, 2022
    Tunable pores enhance selectivity and energy efficiency
    carbon-dioxide-capture

    Surface Layer Improves Carbon Dioxide Capture

    June 3, 2022
    Novel membrane method increases selectivity with little reduction in permeability