An essential innovation for eradicating hydrogen sulphide (H2S) from biogas streams has picked up an business award, considered one of two main awards for CPL/Puragen in November (the opposite one within the subject of PFAS destruction).
On the Nationwide Recycling Awards, run by MRWCPL/Puragen’s submission for “High-Sulphur Spent Carbon Reactivation” was topped the winner within the Vitality Innovation class.
The breakthrough addresses a serious problem within the biogas business. Hydrogen sulphide (H2S), a poisonous and corrosive fuel, has been a major contaminant in biogas. It will possibly severely harm downstream mixed warmth and energy (CHP) engines or forestall the fuel from assembly grid-injection high quality requirements.
Activated carbon is at the moment the most effective obtainable know-how for eradicating H2S from biogas streams, however the course of leaves elemental sulphur trapped throughout the carbon. The excessive ranges of sulphur current have disqualified a longtime method, thermal reactivation, a technique used to get better spent carbon, on the grounds of feasibility. Consequently, these spent carbons are sometimes discarded via landfilling or incineration.
CPL/Puragen has developed a seemingly distinctive course of that efficiently removes sulphur. This implies high-sulphur spent carbon can now be reprocessed on the group’s thermal reactivation facility within the UK. The reactivated carbon is prepared to be used in future purification purposes, stopping 1000’s of tons of waste every year.
“We are proud to be the first to market with this cutting-edge technology, operational since late 2023. No other activated carbon company in the UK or mainland Europe has this capability,” mentioned an announcement from the group.
“This Energy Innovation award will proudly sit alongside our Gold Award from this year’s Green Apple Environment Awards, which recognizes and rewards outstanding environmental practices globally. Last year, we earned a Bronze Award for our REACT-Sys® thermal reactivation process. In 2024, we were honored with the Gold Award for our groundbreaking PFAS-busting technology, known as ‘Search, Capture & Destroy’.”
In November the agency was additionally lauded for its “PFAS-busting technology”also referred to as “Search, Capture and Destroy” which picked up a Gold Award on this yr’s Worldwide Inexperienced Apple Atmosphere Awards. The award is run by The Inexperienced Organisation, an unbiased, worldwide, non-political, non-profit, environmental group.
The PFAS-busting know-how contains three steps:
- Elimination of PFAS compounds utilizing optimised granular activated carbons (GAC) from our FiltraCarb® CH vary, usually making use of our AquaSorber® mobile carbon filters;
- Recycling of the spent carbon through our REACT-Sys® thermal reactivation course of;
- Destruction of the desorbed PFAS molecules through refined downstream thermal oxidisers and chemical scrubbers.
Mentioned the group: “Independent testing has proved that our advanced reactivation process, provisionally called REACT-Sys+, reduces the emissions of PFAS down to background levels, in the gas phase. Our liquid phase emissions have zero detectable PFAS at all. Hence our bold claim that we ‘Search, Capture & Destroy’ these harmful compounds, which are unhelpfully referred to in some circles as ‘forever chemicals’. They are certainly not ‘forever’ when they come face-to-face with our technology!”
Final yr CPL/Puragen acquired a Bronze Award for its REACT-Sys® thermal reactivation course of, whereby spent activated carbons are recycled on the group’s UK facility, able to be re-used by prospects of their environmental purification purposes.
