“…[5][6][7] To date, technique(s) for the removal of phosphate from wastewater include biological methods, 8 chemical precipitation, 9 adsorption, 10 and electrolysis methods. 11 Among the above-mentioned methods, chemical precipitation would produce much chemical sludge, and the process of treating sludge is expensive. 12 The biological method possesses a long processing cycle and many influencing factors, which limits its large-scale application.…”