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. 2018 Jul 17;8(45):25368–25377. doi: 10.1039/c8ra04600j

Comparison of CMBCs' Pb2+ adsorption capacity with those of pine wood, bamboo, potato peel biochar, chitosan, and activated carbon (carbon F-400).

Adsorbent pH Temp. (K) Conc. range (mg L−1) Surface area (m2 g−1) Pb2+ adsorption capacity (mg g−1) Pb2+ adsorption capacity (mg m−2) Ref.
Chitosan-modified pine wood biochar (CMBC) 5.0 298 50–350 7.13 50.5 7.08 This study
308 103 14.4
318 134 18.8
Non-modified pine wood biochar (NMBC) 5.0 318 10–350 10.5 48.2 4.59 This study
Chitosan-modified bamboo biochar (BB-C) 5.5 298 2–100 166.9 14.3 0.085 34
Chitosan-modified potato peel biochar Not available Not available Not available Not available 0.147 40
Chitosan and pyromellitic- modified rice straw biochar (CPMB) 5 298 5–500 62.6 9.24 0.15 39
303 11.91 0.19
308 13.93 0.22
Chitosan 4.5 293 10–1000 Not available 0.558 (mmol g−1) 61
Carbon F-400 5.0 278 0.125–100 984 44.3 0.0450 2
298 30.1 0.0306
323 25.2 0.0256