+1 888-655-8455Microwave Technology for On-site Regeneration of Activated Carbon
Our air purification and onsite carbon regeneration process is designed to capture and recover a wide variety of both chlorinated and non-chlorinated volatile organic compounds (VOCs), many of which are commonly found at industrial and military sites. Also, microwave regeneration process is applied to remove and destroy siloxanes, hydrogen sulfide and non-methane organic compounds from biogas produced from dairy farms, landfill sites, and wastewater treatment facilities.
Activated carbon readily adsorbs most non-methane organic compounds (NMOCs) including VOCs and siloxanes, allowing removal efficiencies near 100% if sufficient carbon adsorbent and appropriate contact times are utilized. As the carbon continues to adsorb NMOCs and siloxanes, the number of adsorption sites decreases, and the carbon becomes saturated. Microwave energy is used to regenerate the saturated carbon. Rapid on-site regeneration of the carbon facilitates continuous, cost effective removal of NMOCs and siloxanes by reusing the carbon in adsorption systems. Microwave energy rapidly heats the saturated activated carbon, resulting in a rapid desorption of NMOCs from the active sites. The desorbed NMOCs can then be economically condensed, and the activated carbon reused. The benefits of this system over existing treatment methods are listed below.
- Provide on-site regeneration of GAC, eliminating handling and transporting of hazardous saturated carbon.
- Restore the original adsorption capacity of GAC and eliminate the need for supplying fresh GAC.
- Reduce the volume of air containing VOCs and other contaminants that require further treatment.
- Upgrade biogas by removing and destroying siloxanes, hydrogen sulfide, and NMOCs.
- Recover VOCs and other contaminants in soil vapors and avoid the generation of secondary air pollutants.
- Provide an effective means to improve or replace the existing biogas upgrading processes by microwave-regenerable adsorbers.
- Provide an effective means to replace the existing catalytic oxidizers and acid gas scrubbers by GAC adsorbers.
- Save biogas used in the flare of existing biogas systems.
- Save energy by eliminating natural gas used in catalytic oxidizers and flameless thermal oxidizers.
- Recycle valuable recovered chemicals such as fuels and solvents.
- Reduce the life-cycle cost for site cleanup significantly.
