Cryptosporidium Removal from Runoff by Active Carbon Filter with Coal Gangue

Table 1

Chemical composition (percentage) for coal gangue.

Composition	SiO2	Al2O3	Fe2O3	CaO	MgO	Na2O	C
Content	30%–60%	20%–30%	2%–10%	1%–4%	1%-2%	1%-2%	20%–30%