TABLE 1.

The composition of the composite carriers.

Types	Main carriers	Total weight	Secondary carriers	Total weight	Others
I	Sepiolite (flocculent)	50 g	Nonwoven fabric (45 mm × 45 mm)	41 g	Floating material (0.08 kg/L)
II	Brucite particle (particle diameter >8 mm)	250 g	Nonwoven fabric (45 mm × 45 mm)	41 g	Floating material (0.08 kg/L)
III	Zeolite particle (particle diameter >8 mm)	250 g	Nonwoven fabric (45 mm × 45 mm)	41 g	Floating material (0.08 kg/L)
IV	Polyurethane	32 g	—	—	—
V	Nonwoven fabric (45 × 45 mm)	41 g	—	—	—