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“To make it economically viable, we developed a dual-layer hollow fiber membrane to use the functional materials (i.e. As co-founder, CTO and creator of the new material Ali Naderi explained, it’s the result of various cutting-edge innovations but ultimately still easy to manufacture. And although manufacturing the new fibers is not a trivial task, they aren’t particularly exotic and use many existing processes.
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And it does so while performing as well or better than the old membranes on basic scales of selectivity (affecting output purity) and permeance (which affects maximum operable pressure).īecause the method is the same in principle as existing membrane techniques, DiviGas’s tech can be substituted in with minimal fuss and modification. Unlike other membranes, this new one can operate at high temperatures - up to 150 degrees C - and is resistant to common acidic compounds in the gas mix formed from sulfur and chlorine, which means it can handle more caustic and untreated input flows without degrading. Huge numbers of fibers are bundled together into tubes through which the input gas is forced, with no chemical reactants required. But these filters cannot operate at high temperatures, output some gases at low pressures that must be re-pressurized at cost and rapidly degrade in the presence of common acidic gases. One cleaner and simpler option than chemical reactions uses membranes or filters, which essentially separate the H2 and CO2 gases from each other and from other substances in the input stream. Oil refineries and plastic production, for instance, may give off various hydrocarbons and other mixed gases and chemicals, and to separate them requires further processing and emissions. While hydrogen itself is generally considered a clean and extremely useful basic element, its production is married to numerous dirty industrial processes. DiviGas, armed with a $3.6 million seed round, hopes to clean up the hydrogen production industry with a new tech that leapfrogs existing methods, potentially supercharging this piece of the new green economy.
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Hydrogen is at the center of many industrial processes and potentially part of major future energy ecosystems, but the process of isolating and storing it is wasteful and expensive.