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  • Oct
    19

    ChBE Seminar Series: Lauren Valentino, Argonne National Laboratory

    McCormick-Chemical and Biological Engineering (ChBE)

    9:30 AM 1421, Frances Searle Building

    EVENT DETAILS

    The Chemical and Biological Engineering Department is pleased to present a seminar by Lauren Valentino from Argonne National Laboratory as part of our ChBE Seminar Series.

    Lauren Valentino will present a seminar titled "Advancing Sustainable Energy Through Electrochemical and Membrane Separations Technologies.”

    The increasing energy demand is amplifying concerns about greenhouse gas emissions, and this is driving an energy transition to mitigate climate change, protect human health, and enhance energy security. Effective separation technologies play a key role in the production of clean energy, including bioenergy. In biorefining processes, the most energy-intensive and costly steps often involve the separation and purification of biofuels or their intermediates. As an alternative to thermal-based processes, electrochemical-based and pressure-driven membrane technologies offer several advantages, e.g., lower energy, carbon, and/or physical footprint, but both material and process engineering are required to transition these technologies to a commercial biorefinery scale. This talk will cover the development and application of capacitive deionization (CDI), an electrochemical technology, for extracting organic biofuel precursors as well as inorganic salts, which may limit the lifetime of upgrading catalysts. Insight into the stability of carbon-based electrodes under practical conditions will be presented. One limitation of electrochemical separations is that they are primarily focused on charged species, whereas pressure-driven membrane technologies are broadly applicable to both charged and uncharged solutes. Despite the possibility of significant energy savings, similar chemistries and properties among commercially available nanofiltration and reverse osmosis membranes make them susceptible to operational problems, such as membrane fouling and chemical degradation. This talk will highlight the potential for organic solvent nanofiltration applications and discuss need for membranes with controlled selectivity. In addition, the use of computational simulations will explore how different functional groups within organic frameworks impact critical membrane performance parameters, e.g., membrane permeance and solute rejection. Finally, the challenges and opportunities associated with implementation of these processes in real-world applications, including the need for further research on electrode and membrane materials, system design, and optimization will be discussed.

    Dr. Lauren Valentino is an Environmental Engineer in the Applied Materials Division at Argonne National Laboratory. She leads the Bioprocessing Separations Consortium, a multi-national laboratory collaborative effort that is supported by U.S. Department of Energy Bioenergy Technologies Office and aims to address technical challenges associated with cost-effective production of biofuels and bioproducts. At Argonne, Lauren is working to address the challenges associated with clean and sustainable water and energy supplies. More specifically, her research focuses on material and technology development for various separation applications, including desalination, product/resource recovery, and carbon dioxide capture. Lauren completed her B.S. degree in Civil and Environmental Engineering with a minor in Chemistry in 2011, M.S. degree in Environmental Engineering in 2013, and Ph.D. degree in Environmental Engineering in 2017, all at the University of Illinois at Urbana-Champaign.

    Bagels and coffee will be provided at 9:30am, and the seminar will start at 9:40am. Please plan to arrive on time to grab a bagel and mingle!

    *Please note that there will be no Zoom option for seminars this year.

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    TIME Thursday, October 19, 2023 at 9:30 AM - 11:00 AM

    LOCATION 1421, Frances Searle Building    map it

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    CONTACT Olivia Wise    olivia.wise@northwestern.edu EMAIL

    CALENDAR McCormick-Chemical and Biological Engineering (ChBE)

  • Jun
    4

    BTP Seminar Series: Sean Kevlahan, Nanite

    McCormick-Chemical and Biological Engineering (ChBE)

    12:00 PM LR4, Technological Institute

    EVENT DETAILSmore info

    TIME Wednesday, June 4, 2025 at 12:00 PM - 2:00 PM

    LOCATION LR4, Technological Institute    map it

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    CONTACT Will Chaussee    william.chaussee@northwestern.edu EMAIL

    CALENDAR McCormick-Chemical and Biological Engineering (ChBE)

  • Jun
    5

    ChBE Seminar Series: TBA

    McCormick-Chemical and Biological Engineering (ChBE)

    9:30 AM LR5, Technological Institute

    EVENT DETAILS

    TIME Thursday, June 5, 2025 at 9:30 AM - 11:00 AM

    LOCATION LR5, Technological Institute    map it

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    CONTACT Olivia Wise    olivia.wise@northwestern.edu EMAIL

    CALENDAR McCormick-Chemical and Biological Engineering (ChBE)

  • Jun
    15

    2024-2025 Commencement Ceremony

    University Academic Calendar

    All Day

    EVENT DETAILSmore info

    TIME Sunday, June 15, 2025

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Jun
    16

    Northwestern Engineering PhD Hooding and Master's Degree Recognition Ceremony

    McCormick School of Engineering and Applied Science

    9:00 AM 2705 Ashland Ave

    EVENT DETAILS

    TIME Monday, June 16, 2025 at 9:00 AM - 11:00 AM

    LOCATION 2705 Ashland Ave   

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    CONTACT Northwestern Engineering Events    northwestern-engineering-events@northwestern.edu EMAIL

    CALENDAR McCormick School of Engineering and Applied Science

  • Jun
    16

    Northwestern Engineering Undergraduate Convocation

    McCormick School of Engineering and Applied Science

    2:00 PM 2705 Ashland Ave

    EVENT DETAILSmore info

    TIME Monday, June 16, 2025 at 2:00 PM - 4:00 PM

    LOCATION 2705 Ashland Ave   

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    CONTACT Northwestern Engineering Events    northwestern-engineering-events@northwestern.edu EMAIL

    CALENDAR McCormick School of Engineering and Applied Science

  • Jun
    23

    Summer classes begin

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Monday, June 23, 2025

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Sep
    16

    Fall 2025 Classes Begin

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Tuesday, September 16, 2025

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar