Joris de Grooth

Technology Director at NX Filtration

Greater Enschede Area

About

Experienced technical manager with a demonstrated history of valorisation in the membrane industry. A team player skilled in Thin Films, Materials Science, Polymers, Membrane Fabrication and Processes. Strong research professional with a Doctor of Philosophy (Ph.D.) focused in Chemical Engineering from University of Twente.

Experience

  • NX Filtration (10 yrs 6 mos)
    • Director of Technology
      Jan 2026 - Present · 6 mos

    • Research and Development Director
      Jul 2021 - Feb 2026 · 4 yrs 8 mos

    • Research Manager
      Jan 2016 - Jul 2021 · 5 yrs 7 mos

      Development of polymeric membrane innovations. From lab scale proof of concepts to our full production spinning line by utilizing fundamental physical phenomena and polymer properties on a large scale.

  • University of Twente (11 yrs 6 mos)
    • Assistant Professor
      Dec 2018 - Present · 7 yrs 7 mos

    • Senior Researcher
      Jan 2015 - Nov 2018 · 3 yrs 11 mos

  • Researcher at Pentair X-Flow
    Feb 2008 - Jan 2015 · 7 yrs

    Responsible for the development of new membrane materials, membranes and their processes and applications. Membrane fouling and cleaning, development of new cleaning agents/protocols for membranes. Beer filtration, effect of beer constituents and brewing conditions on the filterability of beer. Development of tight ultra-filtration and nano-filtration membranes. Membrane aging and life-time assessment.

  • PhD Student at University of Twente
    Oct 2010 - Sep 2014 · 4 yrs

    I combined my work at the X-Flow R&D-department with a PhD study at the University of Twente. In a close collaboration between Pentair X-Flow and the Membrane Technology Group, I was working on the development of new polymeric nanofiltration membranes based on Layer-by-Layer deposition of polyelectrolytes.

  • Internship at GE Plastics
    2004 - 2005 · 1 yr