Supporting Information

Activated carbon fibers as redox mediators for the increased reduction of

nitroaromatics

H.J. Amezquita-Garcia, E. Razo-Flores, F.J. Cervantes, J.R. Rangel-Mendez*

División de Ciencias Ambientales, Instituto Potosino de Investigación Científica y

Tecnológica (IPICyT), Camino a la Presa San José 2055, Col. Lomas 4 sección, C.P.

78216, San Luis Potosí, S.L.P., México

E-mail address: rene@ipicyt.edu.mx (J.R. Rangel-Mendez)

*To whom correspondence should be addressed. Tel.: +52 444 834 2000

Fax: +52 444 834 2010

Table S1.- Experimental design of chemical reduction of nitroaromatics mediated by activated carbon fibers (ACFs).

Experi-ment Control Species ACF

ACF mass(g)

Basal Medi

a (mL)

Na2S 26.1mM

(mL)

Nitroaromatic 1.27mM (mL)

1 Nitroaromatic Stability 4NP 30 202

34 Direct

Chemical Reduction

4NP + Na2S

25 5 20567

Adsorption 4NP + ACF

AW1105 0.005

30 20

8910 AW1105

OX 0.00746111213 AW1105

700 0.00391141516

Chemical Reduction

4NP + Na2S + ACF

AW1105 0.005

25 5 20

171819 AW1105

OX 0.00746202122 AW1105

700 0.003912324

Table S1 (continue).- Experimental design of chemical reduction of nitroaromatics mediated by activated carbon fibers (ACFs).

Experi-ment Control Species ACF

ACF mass(g)

Basal Medi

a (mL)

Na2S 26.1mM

(mL)

Nitroaromatic 1.27mM (mL)

1 Nitroaromatic Stability 3CNB 30 202

34 Direct

Chemical Reduction

3CNB + Na2S

25 5 20567

Adsorption 3CNB + ACF

AW1105 0.00263

30 20

8910 AW1105

OX 0.00526111213 AW1105

700 0.00088141516

Chemical Reduction

3CNB + Na2S + ACF

AW1105 0.00263

25 5 20

171819 AW1105

OX 0.00526202122 AW1105

700 0.000882324

Figure S1. UV spectra for a) 4-nitrophenol (4NP) and b) 3-chloronitrobenzene (3CNB) chemical reduction experiments.