PureTerra, a venture firm that aims to fund “disruptive water technologies,” is pumping millions into Membrion so the Seattle startup can mass-produce its wastewater treatment tech. Membrion claims its ceramic membranes can filter out problematic heavy metals (not the genre, but toxic stuff like lead, arsenic and lithium) for around a twelfth of the cost of … Continue reading Wastewater recycler Membrion makes light work of removing heavy metals