Isra-Tech | april 2023

B iogas, which is produced from the decomposition of organic waste, is an important source of renewable energy that can produce heat and electricity with minimum impact on the climate. However, cleaning it is essential. Hydrogen sulfide (H 2 S) and Siloxane which are present in biogas must be removed to avoid damage to engine components and infrastructure for off-grid applications but also for production of Biomethane injected into the grid. The effectiveness of current and commonly used technologies for biogas cleaning varies according to site and biogas conditions. Such solutions aren’t always sufficient and therefore often a combination of them is required. This was Clairion’s drive for developing SULKAN ™ - an innovative new approach and proprietary technology SULKAN ™ - a Novel Solution for Treating Biogas Clairion’s patented technology, SULKAN ™ , helps produce renewable clean energy from biogas For more details: Hagay Keller Hagay@clairion.com ● www.clairion.com Gas Treatment Technology About Clairion Clairion Ltd is a Clean-Tech environmental company specializing in gas treatment technology. Clairion’s mission is to impact environmental sustainability by offering clean and efficient solutions to pollution- emitting industries and producers of biogas-based energy. Clairion’s patented technology was developed by experts in green chemistry from the Hebrew University of Jerusalem (HUJI). Its field-proven solutions are based on utilizing a unique absorbing liquid and a wet scrubber for selective absorption and separation processes enabling users to optimize their processes to better deal with their operational, environmental, and budgetary challenges. for simultaneous removal of H 2 S and Siloxane from biogas using a single integrated system, offering benefits that put it well ahead of alternative choices for biogas treatment. The process is based on a wet scrubber utilizing a unique absorbing liquid. The biogas enters the scrubber in which the absorbing liquid is circulated in a closed loop while an inexpensive oxidizer is automatically dosed to the system. A side stream is diverted from the main recycle loop to a separation section where the H 2 S and/or Siloxane are removed, and the absorbing liquid is regenerated for reuse. SULKAN ™ comprises four main elements: ●● Unique absorbing liquid ●● Inexpensive oxidizer ●● Dedicated wet scrubber ●● Selective separation unit This technology offers efficiency that has never been achieved before, doesn’t affect the operation of the digester, minimizes wastes and waste streams and reduces total cost of operation – on the whole, a clear contribution to biogas production and utilization. 33 Climate Tech April 2023 Israeli Technologies Magazine Isra-Tech Renewable Energy