Molecular Sieving Film Prepared by Vacuum Filtration for the Efficient Removal of Tetracycline Antibiotics from Pharmaceutical Wastewater

Table 5

Comparison of adsorption parameters.

Sample	Single cycle time (min)	Recycle times	Average vacuum (MPa)	Max. removal rate (%)	Total time (min)	Flux (L·m^−2·h^−1·bar^−1)
Blank film	1.25	15	0.060	39	18.75	3933.14
PEI film	1.52	15	0.062	35	22.80	3234.49
ZIF-8/GO film-10 mg	2.90	15	0.060	67	43.50	1695.32
ZIF-8/GO film-20 mg	4.25	15	0.060	85	63.75	1156.81
ZIF-8/GO film-30 mg	5.40	15	0.060	88	81	910.45
ZIF-8/GO film-40 mg	7.77	15	0.062	94	116.55	632.74
ZIF-8/GO film-50 mg	9.38	15	0.066	99	140.70	524.14
2D ZIF-8/GO hybrid nanosheets-50 mg	—	—	—	96	500	—