International Journal of Chemical Engineering / 2011 / Article / Tab 1 / Review Article
Separation Strategies for Processing of Dilute Liquid Streams Table 1 Adsorption characteristics of activated carbon derived from different sources, reported in the literature, for the removal of various contaminants from water at 25–30°C.
Carbon type and source Activation S.A.1 (m2 /g) Adsorbate Initial conc. (mg/L) Ads. capacity (mg/g) Model used Ref. GAC-coal Untreated 689 Aniline 250–3000 242.92 Langmuir [50 ] GAC-coal Untreated 689 Pyridine 250–3000 157.01 Langmuir [50 ] GAC-coal Untreated 689 Phenol 250–3000 218.97 Langmuir [50 ] GAC-coal Untreated 689 Benzene 250–3000 271.51 Langmuir [50 ] AcC-waste tire HF, heating at 850°C, chlorination 1060 Toluenea 500 421.8 — [51 ] AcC-pine bark Heating at 672°C under N2 flow 332 Phenol 99.75 28.20–40.42 Langmuir [52 ] ACC Conductivity water at 60°C under N2 flow 2500 Pesticide (ametryn) 103.84 354.61 Langmuir [53 ] ACC -Do- 2500 Pesticide (aldicarb) 103.96 421.58 Langmuir [53 ] ACC -Do- 2500 Pesticide (dinoseb) 22.38 301.84 Langmuir [53 ] ACC -Do- 2500 Pesticide (diuron) 32.27 213.06 Langmuir [53 ] ACC -Do- 2500 Pesticide (bentazon) 20.90 151 Langmuir [54 ] ACC -Do- 2500 Pesticide (propanil) 23.52 114 Langmuir [54 ] PAC-Bokbunja waste seeds Untreated Dye-procion red MX-5B 10–60 29.37 Langmuir [55 ] PAC-Bokbunja waste seeds n -hexane-Do- 10–60 30.65 Langmuir [55 ] AcC-sunflower seed hulls H2 SO4 135.2 Dye-acid blue 15 — 125 Langmuir [56 ] AcC-pine-fruit shell K2 CO3 1035 Brilliant green dye 600 216.1 Langmuir [57 ] AcC-pine-fruit shell Heating at 600°C 1425 -Do- 600 284.3 Langmuir [57 ] AcC-water hyacinth H2 SO4 followed by heating at 300°C — Fluoride 2–25 6.06 — [58 ] AcC-water hyacinth H2 SO4 followed by heating at 600°C — -Do- 2–25 4.66 — [58 ] AcC-commercial (coconut) Untreated 1050 NH3 340.1 5.26 — [59 ] AcC composite Sodium alginate + chitosan + activated carbon — Hg2+ — 576 — [60 ] AcC-coconut shell Untreated 1280 Cr(VI) 120 107.1 — [61 ] AcC wood Untreated 1700 Cr(VI) 120 87.6 — [61 ] AcC coal Untreated 1120 Cr(VI) 120 101.9 — [61 ] GAC Water wash 648 Cu(II) — 6.14 Langmuir [62 ] GAC Citric acid 431 Cu(II) — 14.92 Langmuir [62 ] GAC Citric acid followed by NaOH 448 Cu(II) — 11.85 Langmuir [62 ] AcC-rubber leaf HCl 0.57 Cu(II) 5–50 8.39 Langmuir [63 ] AcC-saw dust Untreated 686.3 Pb(II) 51.8–414.4 84.95 Langmuir [64 ]
a Adsorption experiments were performed at 22°C.1 Surface area.
