SUPPLEMENTARY DATA

Manuscript Title:TEXTILE WASTEWATER REUSE AFTER ADDITIONAL TREATMENT BY FENTON'S REAGENT

Authors: Marília C. M. Ribeiro, Maria Clara V. M. Starling, Mônica M. D. Leão, Camila C. Amorim

Figure Captions

Figure S1- Flowchart of water used in the dyeing processes of the textile industry. WRP - Water Recovery Ponds; WWTP – Wastewater Treatment Plant.

Figure S2- Box-plot of the COD results for the wastewater samples.

Figure S3- Box-plot of the pH results for the wastewater samples.

Figure S4- Box-plot of the alkalinity results for the wastewater samples.

Figure S5- Box-plot of the hardness results for the wastewater samples.

Figure S6- Box-plot of the conductivity results for the wastewater samples.

Figure S7- Box-plot of the TDS results for the wastewater samples.

Figure S8- Box-plot of the TSS results for the wastewater samples.

Figure S9- Box-plot of the turbidity results for the wastewater samples.

Figure S10- Box-plot of the nitrate results for the wastewater samples.

Figure S11- Box-plot of the nitrite results for the wastewater samples.

Figure S12- Box-plot of the chloride results for the wastewater samples.

Figure S13- Box-plot of the sulfate results for the wastewater samples.

Figure S14- Box-plot of the iron results for the wastewater samples.

Figure S15- Box-plot of the manganese results for the wastewater samples.

Figure S16- Box-plot of the copper results for the wastewater samples.

Figure S17- Spectrum absorption curves for the wastewater samples.

Figure S18- Dyeing tests with the production waters and the treated wastewater.

TEXTILE WASTEWATER REUSE AFTER ADDITIONAL TREATMENT BY FENTON'S REAGENT

Marília C. M. Ribeiro, Maria Clara V. M. Starling, Mônica M. D. Leão, Camila C. Amorim

SUPPLEMENTARY DATA

Figure S1

Figure S2Figure S3

Figure S4Figure S5

Figure S6Figure S7

Figure S8Figure S9

Figure S10Figure S11

Figure S12Figure S13

Figure S14Figure S15

Figure S16Figure S17

Figure S18

TEXTILE WASTEWATER REUSE AFTER ADDITIONAL TREATMENT BY FENTON'S REAGENT

Marília C. M. Ribeiro, Maria Clara V. M. Starling, Mônica M. D. Leão, Camila C. Amorim

SUPPLEMENTARY DATA

Table Captions

Table S1 - Data for calculating the appropriate number of samples.

Table S2- Water quality guidelines for the textile industry.

Table S3- Results of physicochemical characterization of production water.

TEXTILE WASTEWATER REUSE AFTER ADDITIONAL TREATMENT BY FENTON'S REAGENT

Marília C. M. Ribeiro, Maria Clara V. M. Starling, Mônica M. D. Leão, Camila C. Amorim

SUPPLEMENTARY DATA

Table S1

Iteration / Confidence level / α / n0 / DOF / tα;DOF / CV / E / n / n0
1 / 90 / 0.10 / 30 / 29 / 1.69913 / 34 / 20 / 8.3 / 9
2 / 90 / 0.10 / 9 / 8 / 1.85955 / 34 / 20 / 10.0 / 10
3 / 90 / 0.10 / 10 / 9 / 1.83311 / 34 / 20 / 9.7 / 10

TEXTILE WASTEWATER REUSE AFTER ADDITIONAL TREATMENT BY FENTON'S REAGENT

Marília C. M. Ribeiro, Maria Clara V. M. Starling, Mônica M. D. Leão, Camila C. Amorim

SUPPLEMENTARY DATA

Table S2

PARAMETER / TEXTILE DYEING PROCESS / TEXTILE GENERAL PROCESS
COD / 160 / 60 / X / 30 / 10 / 80 / 30 / 20
pH / 6.5-8.0 / 6.5-8.0 / 5-9 / 6-8
Alkalinity / 200 / 100 / X / X / 50
Hardness / 25 / 25 / 100 / 50 / 70 / X / X / X / 10 / X / 25
Conductivity / 2.2 / 1.5 / 0.1 / 1 / 1.8 / 0.5
TDS / 100 / 100 / 1000 / 200 / 500 / 50
TSS / 5 / 5 / 50 / 10 / A / X / A / 5
Turbidity / A / 1.0 / 25 / 1 / X / 1
NO3− / 0.5 / X
NO2− / X / X
Chloride / 300 / 250 / X
Sulfate / 250
Fe / 0.1 / 0.1 / 0.3 / 0.1 / 0.2 / 0.3 / X / 0.1 / X
Mn / 0.01 / 0.01 / 0.05 / 0.05 / 0.1 / 0.05 / X / X / X
Cu / 5 / 0.05 / 0.01 / 0.01
Color / 5 / 5 / 2 / 0.01 / 50 / A / A / X / 0.010 / 1.0
REFERENCE / [1] / [2] / [3] / [4] / [5] / [5] / [6] / [7] / [8] / [9] / [10] / [11] / [12] / [13]

NOTES:

Limits expressed in mg.L-1, except for pH (units); conductivity (mS.cm-1); turbidity (NTU); and color (auH; bLovibond unit; cAbsorbance at each wavelength; dAbs atλ= 426, 558 and 660 nm; eSAC - Spectral absorption coefficient (m-1) at 426 nm).

X - Relevant parameters for the quality of water used in the textile manufacturing process, without specific limits.

A – Absent (these chemicals must not be present in the water).

TEXTILE WASTEWATER REUSE AFTER ADDITIONAL TREATMENT BY FENTON'S REAGENT

Marília C. M. Ribeiro, Maria Clara V. M. Starling, Mônica M. D. Leão, Camila C. Amorim

SUPPLEMENTARY DATA

Table S3

Parameter / Unit / Fresh water / Reclaimed water
COD / mg.L-1 / 2 / 275
pH / - / 6.9 / 7.6
Alkalinity / mg.L-1 / 63 / 220
Hardness / mg.L-1 / 89 / 93
Conductivity / mS.cm-1 / 0.30 / 1.4
TDS / mg.L-1 / 184 / 840
TSS / mg.L-1 / 0.0 / 81
Turbidity / NTU / 0.30 / 74
NO3− / mg.L-1 / 6.9 / 2.9
NO2− / mg.L-1 / 0.01 / 0.01
Chloride / mg.L-1 / 31 / 286
Sulfate / mg.L-1 / 5 / 40
Fe / mg.L-1 / < 0.05 / 1.06
Mn / mg.L-1 / 0.005 / < 0.001
Cu / mg.L-1 / < 0.007 / 0.02

References

[1] WPCF - Water Pollution Control Federation (1989) Water Reuse Manual of Practice. Water Pollution Control Federation, Alexandria.

[2] Nemerow NL, Dasgupta A (1991) Industrial and Hazardous Waste Treatment. Van Nostrand Reinhold, New York.

[3] Li XZ, Zhao YG (1999) Advanced treatment of dyeing wastewater for reuse. Water Sci. Technol. 39, 249-255.

[4] Vajnhandl S, Valh JV (2014) The status of water reuse in European textile sector. Journal of EnvironmentalManagement 141, 29-35.

[5] USEPA - US Environmental Protection Agency (1974) In-plant Control of Pollution: Upgrading Textile Operations to Reduce Pollution, Washington.

[6] Araújo M, Castro EMM (1984) Manual de Engenharia Têxtil. Fundação Calouste Gulbenkian, Lisboa.

[7] DWAF - Department of Water Affairs & Forestry (1996) South African water quality guidelines. v.3: Industrial Water Use.

[8] Malpei F, Rozzi A, Colli S, Uberti M (1997) Size distribution of TOC in mixed municipal-textile effluents after biological and advanced treatment. Journal of Membrane Science 131, 71-83.

[9] Lin SH, Chen ML (1997) Treatment of textile wastewater by chemical methods for reuse. Water Research 31, 868-876.

[10] USEPA - US Environmental Protection Agency (2004) Guidelines for Water Reuse, Washington.

[11] De Florio L, Giordano A, Mattioli D (2005) Nanofiltration of low-contaminated textile rinsing effluents for on-site treatment and reuse. Desalination 181, 283-292.

[12] Brik M, Schoeberl P, Chama B, Braun R, Fuchs W (2006) Advanced treatment of textile wastewater towards reuse using a membrane bioreactor. Process Biochemistry 41, 1751-1757.

[13] Gozálvez-Zafrilla JM, Sanz-Escribano D, Lora-García J, León Hidalgo MC (2008) Nanofiltration of secondary effluent for wastewater reuse in the textile industry. Desalination 222, 272-279.

TEXTILE WASTEWATER REUSE AFTER ADDITIONAL TREATMENT BY FENTON'S REAGENT

Marília C. M. Ribeiro, Maria Clara V. M. Starling, Mônica M. D. Leão, Camila C. Amorim