Supplementary datafor

Improving Cu(II) sorption by biochar via pyrolyztion under CO2: The importance of inherent inorganic species

Ran Wen a, Bo Yuan a, Yang Wang a, Weimin Cao b*, Yuan Liu a, Yi Jiac, Qiang Liu a*

a School of Environmental and Chemical Engineering, Shanghai University, No. 333 Nanchen Rd., Shanghai 200444, P. R. China

b College of Sciences, Shanghai University, No. 99 Shangda Rd., Shanghai 200444, P. R. China

cQueensland Micro- and Nanotechnology Centre, Griffith University, Nathan Campus, Queensland 4111, Australia.

Corresponding to:

Qiang Liu, Tel.: +86 21 6613 7743;Fax: +86 21 66137761, E-mail addresses: , School of Environmental and Chemical Engineering, Shanghai University, No.99 Shangda Road, Shanghai 200444, PR. China

This file contains 1 Table and 6 Figures.

Table S1.Summary of Cu(II) sorption performance by different adsorbents.

Adsorbent / Cu(II) sorption (mg/g) / Reference
SABC C700 / 89.12 / Current experiment
Turkish bentonite / 2.62 / Bereket et al. 1997
TBAI and SDDC-modified activated carbon / 38.00 / Monser et al. 2002
Ceiba pentandra hulls derived activated carbon / 20.80 / Raoa et al. 2006
Eucalyptus camaldulensis Dehn. derived activated carbon / 54.40 / Patnukao et al. 2008
Nature zeolite / 8.90 / Erdem et al. 2006
Cinnamomum camphora leaves powder / 16.75 / Chen et al. 2010
Water hyacinth roots / 22.70 / Zheng et al. 2009
Gelidium / 45.00 / Vilar et al. 2008
Olive mill residue / 13.50 / Pagnanelli et al. 2003
Tea waste / 48.00 / Amarasinghe and Williams 2007
Tree fern / 11.70 / Ho 2003
Rose waste biomass / 55.79 / Iftikhar et al. 2009
Sour orange residue (NaOH treated) / 52.08 / Khormaei et al. 2007
Carrot residue / 32.70 / Nasernejad et al. 2005

Reference

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Bereket G, Arog AZ, Ozel MZ (1997)Removal of Pb(II), Cd(II), Cu(II), and Zn(II) from aqueous solutions by adsorption on bentonite. J. Colloid Interf. Sci. 187:338-343.

Monser L, Adhoum N (2002)Modified activated carbon for the removal of copper, zinc, chromium and cyanide from wastewater. Sep. Purif. Technol. 26:137-146.

Raoa M M, Rameshb A, Raoa GPC, Seshaiah K (2006)Removal of copper and cadmium from the aqueous solutions by activated carbon derived from Ceiba pentandra hulls. J. Hazard. Material. 129:123-129.

Patnukao P, Kongsuwan A, Pavasant P (2008)Batch studies of adsorption of copper and lead on activated carbon from Eucalyptus camaldulensis Dehn. bark. J. Environ. Sci. 20:1028-1034.

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Fig. S1 pH effect on Cu(II) sorption by SA N and C series biochar

Fig. S2 pH effect on Cu(II) sorption by RSN and C series biochar

Fig. S3XRD analysis of SA N300 - N700 and SA C300 - C700

Fig. S4XRD analysis after Cu(II) sorption of SA C800

Fig.S5Equilibrium pH of sorption and water release under initial pH 5.0

Fig. S6Cu species in different pH simulated from Visual MINTEQ software

Fig.S7Relative distribution of Cu(II) sorption mechanism by SA C700