Quadgen
When I say ‘circular economy’, you probably think about recycling physical products. But there is a circular economy for heat and carbon as well. In fact, many industries use CO2 as an input to their products and processes, especially the food and drinks sector. That’s where a new energy technology called quad-generation comes in, developed by National University of Singapore researchers. Co-generation uses combined heat-and-power. Tri-generation uses waste heat for heating and cooling. Quad-generation adds CO2 extraction as a fourth process, resulting in 30 percent less carbon emissions. It’s a win-win: good for business and good for the climate.
— Wayne Visser
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From Purpose Inspired: Reflections on Conscious Living, Volume 2. Buy on Lulu ↗