More innovation…ETI has just recently developed a new patent-pending biogas CO2-pH control process that enhances wastewater treatment, reduces operational costs while making their operations more resilient and sustainable. This new biogas CO2-pH control process uses supersaturated CO2 by-product water for pH adjustment from ETI’s biogas upgrading purification systems or from other biogas upgrading systems. For example, the CO2 can be used to lower the pH in the effluent water
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