Table 3 Au(III) adsorption performance of selected adsorbents

Organic Polymer:

Pc-POSS-POPs

862

pH 3, 35 °C

Reduced from 92 to 91 mg g⁻¹ after five cycles

-

[8]

Biomass:

SiRH_Im

233

pH 1

No significant decrease after three cycles

-

[9]

Functionalized resin: thiourea@ZGA451

996

pH 3, 25 °C

Reduced to 92% after five cycles

-

[13]

MOF:

DONA-MOF

638

pH 6, 30 °C

Reduced to 89% after five cycles

-

[37]

Core–shell structured magnetic adsorbent:

Fe₃O₄@CuS

559

pH 6, room temperature

Reduced to ~ 80% after five cycles

-

[38]

Bio-adsorbent:

DAVF-PT

528

pH 2, 25 °C

-

-

[39]

Polymer + GO:

HPEI-g-PAN/GO-HPEI

2893

pH 4.7, 25 °C

Reduced to 85% after five cycles

-

[40]

Functionalized GO:

TU-rGO

833

pH 2, 30 °C

Reduced to 78% after five cycles

95‒99% for 0.1‒10 mg L⁻¹

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