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Start-ups
Membrane firm UniSieve raises $5.5 million in seed funding
by Alexander H. Tullo
May 7, 2023
| A version of this story appeared in
Volume 101, Issue 15
The Swiss membrane start-up UniSieve has raised $5.5 million in seed funding. UniSieve membranes are based on a highly ordered network of porous crystals. The company says they can separate chemicals from one another or carbon dioxide from flue gas based on size exclusion—eliminating the need for energy-intensive processes such as distillation and reducing the energy required for separations by up to 90%. UniSieve claims that separation and purification consume 10–15% of the world’s energy. It will use the funding to expand production.
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