MEDIA CONTACT: Christine Parrish, 412-708-0672

HOUSTON – (September 20, 2022) – Out of nearly 100 energy tech ventures, Compact Membrane Systems was selected by investors as one of the “10 Most Promising Companies” at the 19th Annual Rice Alliance Energy Tech Venture Forum hosted by the Rice Alliance for Technology and Entrepreneurship on September 14-15, 2022. More than 70 investor groups participated in one-on-one meetings during Office Hours with companies and a total of nearly 700 meetings. From that, they chose 10 companies that represented the most promising based on those that have an innovative technology that is solving a large problem, have customers willing to pay for it, and have the right team to build and grow their company.

Compact Membrane Systems (CMS) pioneers membrane systems for decarbonizing hard-to-abate chemical manufacturing and industrial carbon capture.  OptipermTM is a platform for bolt-on, modular solutions that can be deployed in existing facilities to expand capacity, deliver new sources of revenue, reduce losses, and capture GHG emissions.  OptipermTM carbon offers a low-cost point source carbon capture (<$40/ton). OptipermTM olefins generates product from waste streams. Targeting olefin separation in chemicals production to deliver capacity expansion, debottlenecking, and topline growth while reducing GHG emissions.

“We were thrilled to be selected as the most promising energy technology company” says CEO Erica Nemser. “We are focused on harnessing the power of chemical innovation to enable deep and immediate decarbonization of hard-to-abate sectors. It’s great to be recognized for our contribution and value by customers and investors – who are the true arbiters of technology impact on GHG emissions reduction.”

The Rice Alliance Energy Tech Venture Forum is the premier energy tech VC conference to connect energy innovators, investors, corporations and the energy ecosystem. The September conference featured more than 40 speakers, 700 attendees and pitches from 60 energy ventures—and served as an opportunity to learn about the latest emerging technologies, meet investors to seek funding, see promising companies, and network with leading entrepreneurs, researchers, investment professional and business executives.

Participating companies have raised more than $690 million in total funding and include technologies in Battery & Power Storage, CCUS, Chemical Manufacturing, Climate Fintech, Combustion, Energy Efficiency, Fluid Storage, Grid, Hydrogen, Materials, Mobility, Oilfield Technologies, Renewable Energies, Software, Waste Heat Recovery, Water Treatment and More.





Compact Membrane Systems (CMS) is dedicated to enabling the clean energy transition and improving the efficiency of chemical processing through membrane solutions. Located in Newport, DE, CMS harnesses the power of unique polymers to provide durable and effective chemical separation solutions in the toughest environments. CMS membranes can be used independently or in conjunction with existing infrastructure to reduce GHG emissions, recover and monetize streams that would otherwise be undervalued or wasted, and reduce plant bottlenecks. CMS technology delivers new sources of revenue and lowers costs for process industries including petrochemicals, refining, specialty chemical and pharmaceuticals.

CMS combines innovative research with practical industry know-how to deliver modular units with lower energy usage and smaller footprints than existing separation technologies. From polymer development to product engineering, to system design, CMS has the capabilities and partnerships to deliver projects of any size. For more information or to learn more, visit


About The Rice Alliance for Technology and Entrepreneurship

The Rice Alliance for Technology and Entrepreneurship (Rice Alliance) is Rice University’s globally recognized entrepreneurship initiative devoted to the support of entrepreneurship education, technology commercialization, and the launch of technology companies. Since inception, over 2,950 startups have raised more than $22.7 billion in funding. More than 52,000 entrepreneurs, investors, and members of the entrepreneurial ecosystem have attended over 250 programs hosted by the Rice Alliance.