Hello. Thank you for sharing this. Please check https://www.unido.org/sites/default/files/files/2017-12/PAGE_GITA.pdf and http://www.pranasustainablewater.ch/en/index.php for products ending in wastewater easy to be transformed into biogas, fertilisers...etc to reverse the supply chain (consumptions generating revenues)

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Hello. Thank you for sharing this.

Please check https://www.unido.org/sites/default/files/files/2017-12/PAGE_GITA.pdf and http://www.pranasustainablewater.ch/en/index.php for products ending in wastewater easy to be transformed into biogas, fertilisers...etc to reverse the supply chain (consumptions generating revenues)