Shift to legal pot shows up in wastewater

Wastewater shows that, after legalization in Washington state, marijuana use went up and shifted toward legal purchases.

U. Washington • futurity
June 24, 2019 • ~4 min

New filtration system improves industrial wastewater purification, saves energy

Liquid-gated membranes filter nanoclay particles out of water with twofold higher efficiency and nearly threefold longer time to foul, and reduce the pressure required for filtration over conventional membranes.

Lindsay Brownell • harvard
Nov. 9, 2018 • ~7 min

New filtration system improves industrial wastewater purification, saves energy

Liquid-gated membranes filter nanoclay particles out of water with twofold higher efficiency and nearly threefold longer time to foul, and reduce the pressure required for filtration over conventional membranes.

Lindsay Brownell • harvard
Nov. 9, 2018 • ~7 min

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