ADSORBENTS FOR CD REMOVAL FROM WATER WASTE: A SHORT REVIEW OF THE RECENT DEVELOPMENT - Management of Hazardous Residues Containing Cd - page 19

peels
Pectic acid extracted
from orange peels

- 642.98 1h 5 - 25 [65]

Untreated Pinus
halepensis sawdust

- 7.4 10min 9 - 23 [4]

Olive leaves
(conventional method)

- 42.2 1h 5.3 - 25 [35]

Olive leaves
(sonication)

- 55.9 1h 5.3 - 25 [35]

Olive leaves (combined
method)

- 64.9 1h 5.3 - 25 [35]

Olive Stones - 9.72 2h 7 - 80 [34]

Bagasse fly ash 450 2.0 1h 6 - 50 [20]

Pinus silvestris sawdust - 19.1 20min 5 - 25 [49]

Grape stalk waste 0.4 27.9 2h 5.5 65 20 [68]

Broad bean peel - 147.7 3h - - 25 [67]

Peas peel - 118.9 3h - - 25 [67]

Fig leaves - 103.1 4h - - 25 [67]

Medlar peel - 98.1 3h - - 25 [67]

Banana peels - 5.7 20min 3 - 25 [62]

NaOH treated deodar
cedrus sawdust

0.04 73.6 10min 5 - 20 [47]

Acid/base-treated
teakwood sawdust

3.9 26.7 4h 6 - 30 [57]

Acid/base-treated Neem
bark

3.5 25.6 4h 6 - 30 [57]

Neem leaf powder 21.45 158 300min 6.5 - 20 [58]

NaOH-treated spent
grain

- 17.3 120min 5.3-

5.6

- 28 [87]

Olive stones 0.2 7.7 1h 5.5 49 20 [32]

Sugar-beet pulp - 24.4 1h 5.5 - 20 [27]

Sugar-beet pulp pectin
hydrogels

- 30.9 2h 6 - 23 [28]

Sugar-beet pulp pectin
xerogels

- 56.9 8h 6 100 23 [28]

Orange waste - 41.6 3h 5 - 20 [43]

Metal sludge 19.6 69.9 10h 6.5-

7.5

- 45 [23]