Green hydrogen, and how the water sector can engage with this ‘green, clean fuel source’, was the focus of the latest Water Action Platform webinar – a forum for water sector collaboration across international boundaries.
Hosted by Isle chairman Piers Clark, the webinar featured Dr Jenifer Baxter, director for innovation and policy at Protium Green Solutions, who gave a rundown of key insights into hydrogen for the water sector. The presentation also featured emerging hydrogen technologies from the UK and Australia.
Protium Green Solutions director for innovations, Dr Jenifer Baxter said: “We see hydrogen as an opportunity to decarbonise key pillars of our society – including things that form part of our critical infrastructure like water and waste. This is about sustainable development and making our industries much more sustainable by being able to understand exactly what feedstocks and wastes we have and how we can use them more effectively. It is a circular economy of energy and waste.”
New resource recovery opportunities were explored during the technology showcase, both of which have the potential to simultaneously improve the wastewater treatment process while generating clean hydrogen. The first was from Hazer Group, an Australian company which produces fuel-cell grade hydrogen and high-quality graphite from methane, with low CO2emissions.
Hazer Group chief executive, Geoff Ward said: “Rather than typical gas-based hydrogen production which produces CO2 as a by-product, we produce graphite – a solid, capturable and usable product. It’s a clean and cost-effective technology and, when paired with renewable biogas, has the lowest emissions profile of any available technology – going beyond where solar and electrolysis can reach and taking methane originated from waste out of the atmosphere and capturing all the carbon associated with the feedstock.”
UK-based Organics operates globally and is focused on renewable energy, ammonia recovery and anaerobic digestion. Commercial director Keith Richardson explained how the company’s patented system recovers ammonia from high-strength wastewater and turns it into a range of saleable ammonia products, along with hydrogen.
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