Table 2.

Comparison of the current results and those of other coagulation studies.

Article	Microplastic	Size	Coagulant	Dose (mmol)	pH	Polymer	Polymer dose (mg/l)	Efficiency(%)
17	PE	100–500	Alum(Al(OH)3)	0.10	7	Anionic polymer	0.3	82
17	PS	100–500	Alum(Al(OH)3)	0.10	7	Anionic polymer	0.3	84
5	PE	100–500	AlCl3·6H2O	0.05	7	Anionic polymer	15	61.19
16	PE	5–100	AlCl3·6H2O	0.12	7	Polyamine	1	80.3
16	PE	5–100	AlCl3·6H2O	0.12	7	Polyamine	1	100
This study 1	PE,PS,PA	< 600	Al2(SO4)3	0.12	7	PAM	15	45.18
This study 2	PE,PS,PA	< 600	Al2(SO4)3	0.05	7	PAM	15	33.63
This study 3	PA	< 125	Al2(SO4)3	0.05	7	PAM	15	79
This study 4	PS	< 125	Al2(SO4)3	0.05	7	PAM	15	68