Since its formation in 2014, Gross-Wen Technologies has become one of the most trusted sources for environmentally-friendly wastewater treatment. Their patented RAB™ (Revolving Algal Biofilm) system employs vertically oriented conveyor belts, which are used to grow algae that recover nitrogen and phosphorous from wastewater, while also producing a nutrient-rich algae biomass that can be harvested […]