Gavlak G, Vidal CM de S, Machado EF. Treatment of a water treatment plant filter washing water using coagulant regenerated from the decanter sludge. Semin., Exact Tech. Scienc. [Internet]. 2021 Nov. 3 [cited 2024 Nov. 21];42(2):153-62. Available from: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/44556