Treatment of laundry wastewater by solar photo-Fenton process at pilot plant scale
Laundry sector consumes a huge amount of water which is usually discharged as wastewater instead of being reused. The application of biological treatment of laundry wastewater coupled with post-treatment utilizing advanced oxidation processes creates a possibility to recycle water to the washing process. However, the investigations on such systems are very limited. In the present work, a novel approach of post-treatment of laundry wastewater utilizing solar photo-Fenton operated at a pilot scale in a compound parabolic collector (CPC) photoreactor is proposed. Sodium dodecyl sulfate (SDS) was used as a representative of surfactants applied in the laundry system. The effect of feed matrix was investigated using distilled water as a reference matrix and synthetic wastewater simulating the composition of biologically pre-treated laundry wastewater. Different concentrations of H2O2 (50-400 mg/L) and ferrous iron (2.75-10 mg/L) were assayed. For comparison purpose, experiments at neutral pH using ethylenediamine-N,N'-disuccinic acid (EDDS) as an iron complexing agent were carried out. A high SDS removal efficiency was obtained under both neutral and acidic pH, reaching 89% and 96%, respectively, in just 8 min. However, the remaining organic load originating from EDDS needs application of further post-treatment steps. Therefore, the solar photo-Fenton operated under acidic pH was found to be a more promising approach of post-treatment of laundry wastewater aimed at its reuse.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:28 |
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| Enthalten in: |
Environmental science and pollution research international - 28(2021), 7 vom: 16. Feb., Seite 8576-8584 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Esteban García, Ana Belén [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 05.02.2021 Date Revised 07.12.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s11356-020-11151-x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM316337706 |
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| 520 | |a Laundry sector consumes a huge amount of water which is usually discharged as wastewater instead of being reused. The application of biological treatment of laundry wastewater coupled with post-treatment utilizing advanced oxidation processes creates a possibility to recycle water to the washing process. However, the investigations on such systems are very limited. In the present work, a novel approach of post-treatment of laundry wastewater utilizing solar photo-Fenton operated at a pilot scale in a compound parabolic collector (CPC) photoreactor is proposed. Sodium dodecyl sulfate (SDS) was used as a representative of surfactants applied in the laundry system. The effect of feed matrix was investigated using distilled water as a reference matrix and synthetic wastewater simulating the composition of biologically pre-treated laundry wastewater. Different concentrations of H2O2 (50-400 mg/L) and ferrous iron (2.75-10 mg/L) were assayed. For comparison purpose, experiments at neutral pH using ethylenediamine-N,N'-disuccinic acid (EDDS) as an iron complexing agent were carried out. A high SDS removal efficiency was obtained under both neutral and acidic pH, reaching 89% and 96%, respectively, in just 8 min. However, the remaining organic load originating from EDDS needs application of further post-treatment steps. Therefore, the solar photo-Fenton operated under acidic pH was found to be a more promising approach of post-treatment of laundry wastewater aimed at its reuse | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Advanced oxidation process | |
| 650 | 4 | |a Compound parabolic collector | |
| 650 | 4 | |a Mineralization | |
| 650 | 4 | |a Sodium dodecyl sulphate | |
| 650 | 4 | |a Surfactants | |
| 650 | 7 | |a Waste Water |2 NLM | |
| 650 | 7 | |a Water Pollutants, Chemical |2 NLM | |
| 650 | 7 | |a Hydrogen Peroxide |2 NLM | |
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| 700 | 1 | |a Szymański, Kacper |e verfasserin |4 aut | |
| 700 | 1 | |a Mozia, Sylwia |e verfasserin |4 aut | |
| 700 | 1 | |a Sánchez Pérez, José Antonio |e verfasserin |4 aut | |
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