Tuesday, September 21, 2021
The United States Patent and Trademark Office (USPTO) granted the patent to Ergo Exergy Technologies, Inc. (&0147;Ergo Exergy&0148;) for techniques of implementing CO2 injection and sequestration in deep coal in relation to their proprietary εUCG™ process.
Granted in record time on September 21, 2021, US Patent No. US 11,125,069 describes a new Enhanced Hydrogen Recovery (EHR™) process, which effectively integrates Ergo Exergy’s proprietary process of underground coal gasification (εUCG™) with injection and sequestration of CO2 to produce hydrogen-rich gas ultra-low CO2 emissions.
The disclosed method and system deliver a drastic reduction in the carbon footprint of the εUCG™ process and the viability of the εUCG™ C¯ INTERMENT™ method that is vital for increasing the H:C ratio in the product syngas. In the coming months, Ergo Exergy’s development partner Cv̄ictus Inc. that is implementing an EHR™ project in Alberta, east of Red Deer, will demonstrate viability of the patented technology in a large field trial.
In the last 20 years, Ergo Exergy has been working on adapting our εUCG™ process for clean hydrogen production. This resulted in a number of novel methods aimed at redaction of carbon footprint of εUCG™ process, some of which are to be patented, while the others shall be kept as a trade secret. The granted US patent represents a starting step in formalizing these innovations. Together, they transform the εUCG™ technology into a powerful tool for delivering clean hydrogen and its derivative products while bringing down carbon concentration in the Earth’s atmosphere.