Supplementary Material s5

Supplementary Material

Effect of Ethylenediamine-N,N'-disuccinic acid on heterogeneous Fenton and photo-Fenton processes: optimization of parameters for Bisphenol A degradation

Wenyu Huanga,c, Marcello Brigantea,b, Feng Wuc, Khalil Hannad, Gilles Mailhota,b*

aClermont Université, Université Blaise Pascal-ENSCCF, Institut de Chimie de Clermont- Ferrand (ICCF), BP10448, F-63000 Clermont-Ferrand. bCNRS, UMR 6296, Institut de Chimie de Clermont-Ferrand, F-63171 Aubière cDepartment of Environmental Science, School of Resources and Environmental Science, Wuhan University, Wuhan, 430079, China. dEcole Nationale Supérieure de Chimie de Rennes UMR CNRS 6226 Sciences Chimiques de Rennes, Avenue du Général Leclerc, CS 50837, F-35708 RENNES Cedex 7, France

Submitted to Environmental Science and Pollution Research Special issue “Iron and Environmental chemistry”

1 Table SM1. Adsorption of EDDS in fixed concentration at different pH.

pH 3.7 6.2 8.7 Cs(µmol m-2) 0.0145 0.1257 0.0269

2 Figure captions

Fig. SM1: XRD of individual goethite particles. Bright field TEM images showing goethite particles.

Fig. SM2: Emission spectrum of the four Philips TL D 15W tubes and the molar absorption coefficients of the aqueous solutions of BPA

Fig. SM3: BPA degradation in heterogeneous Fenton system with or without EDDS at pH 6.2, -1 Initial concentrations were 20 µM BPA, 0.1g L Goethite, 11.3 mM H2O2 and different concentration of EDDS

Fig. SM4: BPA degradation in heterogeneous Fenton system with or without EDDS at pH 3.7, -1 Initial concentrations were 20 µM BPA, 0.1g L Goethite, 11.3 mM H2O2 and 0.25 mM EDDS

Fig. SM5: (a) Adsorption of EDDS on to Goethite surface at pH 6.2, Initial Goethite dosage was 0.1g L-1. (b) Adsorption of BPA on to Goethite surface at pH 6.2, Initial Goethite dosage was 1g L-1

Fig. SM6: Iron leaching in Fenton process with or without EDDS at pH 6.2, Initial concentrations were 20 µM BPA, 0.1 g L-1 Goethite and 0.1 mM EDDS.

Fig. SM7: H2O2 decomposition in photo-Fenton process with or without EDDS, Initial concentrations were 20 µM BPA, 0.1g L-1 Goethite, 0.1 mM EDDS and different concentration of H2O2 (0.1 mM in a, 0.5 mM in b and 1.13 mM in c)

Fig. SM8: Iron leaching in the presence of EDDS with or without UV irradiation, pH 6.2, pH 3.7 and pH 8.7.

3 Fig. SM1

G (110)

G (111) ) u . a (

y t i ) s 0 n 3 e 1 t ) (

n 1 ) I ) 2 0 G ) 1 2 4 ) 2 1 ( 1

0 0 2 ( (

2 1 G ( 0 G

G ) ( )

1 G ) 0 1 G 1 2 2 4 1 ( (

10 20 30 40 50 60 70 2 

4 Fig. SM2

4000 200

180 ) 1 -

m 160 c 1 - 3000

( 140 2

- t n m

i 120 c W i ( f f n e

2000 100 o i o s C s

n 80 m o i t E

60 h o

Spectrum of Light g i s 1000 L d

r BPA a l

o 20 M 0 0 300 400 500 600 Wavelength(nm)

5 Fig. SM3

C 0.5 / t C 0.4

H O 0.3 2 2 H O +alfa-FeOOH 2 2 H O +alfa-FeOOH+EDDS(1mM) 2 2 0.2 H O +alfa-FeOOH+EDDS(0.5mM) 2 2 H O +alfa-FeOOH+EDDS(0.25mM) 2 2 H O +alfa-FeOOH+EDDS(0.1mM) 0.1 2 2

0.0 -50 0 50 100 150 200 250 300 350 400 Time (min)

6 Fig. SM4

0.6 0 C / t C 0.4

H2O 0.2 2 H2O +-FeOOH 2 H2O +-FeOOH+EDDS(0.25mM) 2

0.0 -50 0 50 100 150 200 250 300 350 400 Time (min)

7 Fig SM5. a

0.20 ) 2

m 0.15 / l o m  ( 0.10 s C

0 50 100 150 200 Ce(mol/L)

1.2 ) 2 m

/ 1.0 l o m

 0.8 ( s

0.0 0 500 1000 1500 2000 Ce(mol/L)

8 Fig. SM6

14 without EDDS 12 [EDDS]=0.1mM

M 8  ( ) t o t ( 6 e F [

0 -200 0 200 400 600 800 1000 1200 1400 1600 Time (min)

9 Fig SM7 a

100 without EDDS [EDDS]=0.1mmol/L

t 60 ] 2 O 2 H [ 40

0 0 100 200 300 400 500 600 Time (min) b

500 without EDDS [EDDS]=0.1mmol/L 450

t 300 ] 2 O

2 250 H [ 200

0 0 100 200 300 400 500 600 Time (min) c

0.7 t ] 2 0.6 O 2

H 0.5 [

0.2 without EDDS [EDDS]=0.1mmol/L 0.1

0.0 0 100 200 300 400 500 600 Time (min)

10 Fig. SM8 pH 6.2

14 dark 12 light

10 ) L / l

o 8 m  ( ] )

t 6 o t ( e

0 100 200 300 400 500 600 Time (min) pH3.7

14 light 12 dark

10 ) L / l

o 8 m  ( ]

) 6 t o t ( e

0 100 200 300 400 500 600 Time (min) pH8.7

14 light dark 12

10 ] ) L / l

o 8 m  ( ] )

t 6 o t ( e F

0 100 200 300 400 500 600 Time (min)