Hello Jose-Luis, are you considering organic tanning or inputs (e.g. methylene blue) to get wastewater  good enough to produce energy and clean water for irrigation? valerie@pranasustainablewater.ch

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Hello Jose-Luis, are you considering organic tanning or inputs (e.g. methylene blue) to get wastewater  good enough to produce energy and clean water for irrigation? valerie@pranasustainablewater.ch