Wang, Hou-Feng; Qi, Hui-Yun; Du, Kuan; Ran, Dan-Di; … - 2022
Previous studies suggest that the coagulation mechanisms in wastewater and sludge treatment are the same. However, this study found that changes of COD in wastewater and sludge supernatant after the addition of coagulants (Fe 3+ and Al 3+ ) were opposite, indicating that the mechanisms of...