This is the best summary I could come up with:

Chemical refineries, for example, can resemble sprawling cities, their distillation columns towering over a web of pipes.

In it, a membrane works like a filter, allowing the desired gas or gasses through while leaving the others behind.

Osmoses, a startup spun out of MIT and Stanford, is hoping to capitalize on that with a new type of membrane that the company says is more selective and less energy-intensive than others on the market today.

Osmoses makes membranes that are so thin — just a few hundred nanometers — that they need to be plied with additional layers to give them structure.

In that wispy-thin layer are holes that are mere angstroms wide, “about the same size as gas molecules,” said Holden Lai, co-founder and CTO of Osmoses.

Lai and Francesco Maria Benedetti, co-founder and CEO of the startup, helped develop the new membrane with their university colleagues, and started the company along with Katherine Mizrahi Rodriguez and Zachary P. Smith in 2021.

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