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Orbit Energy Inc.'s High Solids Anaerobic Digestion (HSAD) is an innovative renewable energy technology that converts solid organic waste to biogas.
The HSAD technology, developed at the U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL), is a microbial bioconversion process that converts solid organic wastes into fuel gas and a nitrogen-rich compost. With HSAD, various types of wastes may be treated separately or combined to achieve waste treatment flexibility and economy of scale.
Orbit's HSAD is a new application of the proven and conventional low-solids anaerobic digestion technology used throughout the world. The centerpiece of the HSAD process is a proprietary, closed system design developed from 10 years of research at DOE/NREL. HSAD utilizes standardized equipment from the chemical processing industry to handle and process organic solid wastes in the HSAD bioreactor.
In the Orbit process, organic waste is loaded into a digester that uses specially selected bacterium operating at around 131º F (55º C). This allows the HSAD system to process organics faster with a much higher solids content than conventional technologies. The solid phase fermentation reduces the required equipment volume and associated capital and operating costs, while the bioreactor's volumetric productivity is factors higher.
Advantages of Orbit's HSAD Technology
