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Entsorga, Zenviro Tech’s Italian biogas plant complete

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A biogas project in Italy developed by Entsorga Italia and Zenviro Tech US is complete.

The Santhià plant is Entsorga’s first biogas facility utilising its state-of-the-art mechanical and biological treatment technology combined with Zenviro Tech’s anaerobic digestion (AD) technology.

Christopher Maloney, president of the Integrated Biogas Alliance (IBA), of which Entsorga and Zenviro Tech are members, said: “This is the first collaboration for the two IBA companies in Italy with several more planned over the next few years.

“The client, Iren, is one of Italy’s major public utility companies and already has plans for further expansion at the facility to double biogas production of the first unit. We are confident that the Santhià plant will become a strong global reference for the industry.”

The plant is expected to start-up in May and will process around 40,000 tons of kitchen waste. It will produce close to 600 cubic metres (m3) per hour of biogas, which will be upgraded to 300 m3 per hour of biomethane and injected into a nearby gas pipeline.

“The Santhià plant, which will receive substantial green certificates, incorporates state-of-the-art technologies and automation, the highest health and safety standards and is well suited to the valorisation of kitchen waste and maximising biogas production,” said Entsorga’s managing director Pier Cella Mazzariol.

“The sorted residues, mainly plastics, will be turned into solid recovered fuel, while the digestate will be converted into high-quality compost through our patented Hebiot process, ensuring complete circularity, with no residues going to landfill.

“We are particularly pleased with the short construction schedule, only 12 months, which is remarkable given that we completed the project during a global pandemic.”