Table 4 Comparison of adsorption capability of OTC on Na500 with other adsorbents.

From: A facile calcination conversion of groundwater treatment sludge (GTS) as magnetic adsorbent for oxytetracycline adsorption

Adsorbent

Concentration (mg/L)

qm (mg/g)

Refs.

Na500

2000

862.1

This work

Commercial activated carbon

100–1000

413.2

25

Activated carbon fibre

100

312.5

34

Graphene oxide

400

212.3

35

Multiwalled carbon nanotubes

1000

190.2

36

Graphene oxide functionalized magnetic particles

50

45.0

37

Illite/kaolinite

30–60

8.85/4.75

38

Chitosan-coated fly ash composite

10–300

291.3

39

Activated sludge

500

72

40

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