reverse-osmosis
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Ryan Vogel Is Teaching Water Filters to Shake Off the Gunk
The Pure Blue Tech founder has spent more than a decade pursuing a stubborn idea: a membrane should defend itself. Now his ultrasonic reverse-osmosis technology is headed into the XPRIZE Water Scarcity semifinals.
Prakash Govindan
Prakash Govindan is the co-founder and CEO of Gradiant, the water industry's first unicorn, valued above $1 billion. Raised in Chennai during monsoon failures that dried up his family's taps, he turned a childhood of hauling buckets into a PhD at MIT and a company that now renews billions of liters of industrial water a day for clients in semiconductors, pharma, food and beverage, and mining. He co-invented Gradiant's flagship Carrier Gas Extraction technology, holds more than 100 patents, and helped bring the TIME Best Invention 'ForeverGone' PFAS-destruction system to market. A devoted bhakti yogi who has read the Bhagavad Gita some fifty times, he runs one of the fastest-growing water companies on earth while preaching egoless leadership.