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CLEARSIGN COMBUSTION : Forms Solid Fuel Working Group with Sponsorship from Industry Leaders

07/15/2014 | 12:50am US/Eastern

ClearSign Combustion has formed a Solid Fuel Working Group.

In its release, the company said that this group of key industry stakeholders have a shared interest in the clean, efficient use of solid fuels and in the potential for ClearSign's technology to address some of their most challenging operating and environmental challenges. The group was formed to help guide and support product development efforts and to help accelerate the commercialization of the company's Electrodynamic Combustion Control (ECC) technology, and member companies have already provided great insight into key challenges and opportunities.

The founding members of ClearSign's working group are Covanta and Great River Energy. Several other US companies have committed to join and support the working group.

"For ClearSign," explained Rick Rutkowski, CEO, "the working group is a great way to coordinate the strong interest we have received from key stakeholders from across the solid-fuels market and to integrate their real-world experience and requirements into our development progress. It's an equally great way for ClearSign to focus and fine tune our development planning through the ongoing interaction with the many subject matter experts represented among the group. We are grateful to have the participation of such a distinguished group of users and suppliers of solid fuel based energy systems and we anticipate that the ranks of this interest group will continue to grow."

According to ClearSign Chief Technology Officer Joe Colannino, combustion of solid fuels can be especially challenging because both their chemical composition, and their physical form can be complex and highly variable. The challenge is further compounded by the two- phase chemistry that is basic to combustion of solids and the need to mix adequate and uniform levels of oxygen with a fuel that is in a solid form.

"It's difficult to create an environment in which you can efficiently and cleanly combust such a heterogeneous fuel mix in a controlled and repeatable manner," Colannino says. "Our working group partners and other companies have done an incredible job of controlling for the multiple emissions types including particulate matter, CO, NOx that are common to combustion of solid fuels, however in many cases, after-treatment systems such as ESPs, baghouses, and SCRs are required, often increasing operational complexity and expense."

"Our goal," Rutkowski added, "is to deliver technology to our working group partners, and others like them that may help to improve energy efficiency and operate more productively and at a lower cost."

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