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Schematic of a UASB digester, designed to treat wastewater from recycled pulp and paper industry.
Fig. 1 Illustrates the designed UASB digester used in this work, influent tank (1), influent feed pump (2), UASB cylinder tank digester (3) with a total volume of 70 L, "solid-liquid-gas" separator (4), including thermostat heating water (5) for mesophilic conditions (37°) C, effluent tank (6), Gazometer (7), graduated tube (8) for measuring the water volume displaced from the gazometer.
