Carbon source and phosphorus recovery from iron-enhanced primary sludge via anaerobic fermentation and sulfate reduction: Performance and future application

Huan Yang; Jianyong Liu; Peishan Hu; Lianpei Zou; Yu You Li

doi:10.1016/j.biortech.2019.122174

Carbon source and phosphorus recovery from iron-enhanced primary sludge via anaerobic fermentation and sulfate reduction: Performance and future application

Huan Yang, Jianyong Liu, Peishan Hu, Lianpei Zou, Yu You Li

ENG - Civil and Environmental Engineering

Shanghai University

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

Anaerobic fermentation and sulfate reduction (AF-SR) was firstly used for recovery of carbon sources and phosphorus from Fe-enhanced primary sludge (Fe-sludge). With FeCl₃ dosage of 30 mg Fe/L, 63.0% of the chemical oxygen demand (COD) and 97.3% of the phosphorus were concentrated from sewage into Fe-sludge. Batch anaerobic fermentation tests of Fe-sludge with and without sulfate addition (AF-SR and control) were performed. The results showed that volatile fatty acid concentrations of the control and AF-SR were 211.0 and 270.2 mg COD/g volatile suspended solids, respectively. Furthermore, 33.2% (control) and 56.2% (AF-SR) of the total phosphorus in Fe-sludge was released. The recovery performances of carbon source and phosphorus were calculated based on struvite precipitation. The available carbon source of the AF-SR system was 44.5% higher than that of the control. A novel integrated wastewater and sludge treatment process based on chemically enhanced primary sedimentation and AF-SR is proposed for future application.

Original language	English
Article number	122174
Journal	Bioresource Technology
Volume	294
DOIs	https://doi.org/10.1016/j.biortech.2019.122174
Publication status	Published - 2019 Dec

Keywords

Anaerobic fermentation
Carbon source
Chemically enhanced primary sedimentation
Phosphorus recovery
Sulfate reduction

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2019.122174

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title = "Carbon source and phosphorus recovery from iron-enhanced primary sludge via anaerobic fermentation and sulfate reduction: Performance and future application",

abstract = "Anaerobic fermentation and sulfate reduction (AF-SR) was firstly used for recovery of carbon sources and phosphorus from Fe-enhanced primary sludge (Fe-sludge). With FeCl3 dosage of 30 mg Fe/L, 63.0% of the chemical oxygen demand (COD) and 97.3% of the phosphorus were concentrated from sewage into Fe-sludge. Batch anaerobic fermentation tests of Fe-sludge with and without sulfate addition (AF-SR and control) were performed. The results showed that volatile fatty acid concentrations of the control and AF-SR were 211.0 and 270.2 mg COD/g volatile suspended solids, respectively. Furthermore, 33.2% (control) and 56.2% (AF-SR) of the total phosphorus in Fe-sludge was released. The recovery performances of carbon source and phosphorus were calculated based on struvite precipitation. The available carbon source of the AF-SR system was 44.5% higher than that of the control. A novel integrated wastewater and sludge treatment process based on chemically enhanced primary sedimentation and AF-SR is proposed for future application.",

keywords = "Anaerobic fermentation, Carbon source, Chemically enhanced primary sedimentation, Phosphorus recovery, Sulfate reduction",

author = "Huan Yang and Jianyong Liu and Peishan Hu and Lianpei Zou and Li, {Yu You}",

note = "Funding Information: This study was financially supported by the National Natural Science Foundation of China ( 51778352 , 51578329 ), the Science and Technology Commission of Shanghai Municipality ( 18230710900 , 16010500200 ). Appendix A Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

year = "2019",

month = dec,

doi = "10.1016/j.biortech.2019.122174",

language = "English",

volume = "294",

journal = "Bioresource Technology",

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TY - JOUR

T1 - Carbon source and phosphorus recovery from iron-enhanced primary sludge via anaerobic fermentation and sulfate reduction

T2 - Performance and future application

AU - Yang, Huan

AU - Liu, Jianyong

AU - Hu, Peishan

AU - Zou, Lianpei

AU - Li, Yu You

N1 - Funding Information: This study was financially supported by the National Natural Science Foundation of China ( 51778352 , 51578329 ), the Science and Technology Commission of Shanghai Municipality ( 18230710900 , 16010500200 ). Appendix A Publisher Copyright: © 2019 Elsevier Ltd

PY - 2019/12

Y1 - 2019/12

N2 - Anaerobic fermentation and sulfate reduction (AF-SR) was firstly used for recovery of carbon sources and phosphorus from Fe-enhanced primary sludge (Fe-sludge). With FeCl3 dosage of 30 mg Fe/L, 63.0% of the chemical oxygen demand (COD) and 97.3% of the phosphorus were concentrated from sewage into Fe-sludge. Batch anaerobic fermentation tests of Fe-sludge with and without sulfate addition (AF-SR and control) were performed. The results showed that volatile fatty acid concentrations of the control and AF-SR were 211.0 and 270.2 mg COD/g volatile suspended solids, respectively. Furthermore, 33.2% (control) and 56.2% (AF-SR) of the total phosphorus in Fe-sludge was released. The recovery performances of carbon source and phosphorus were calculated based on struvite precipitation. The available carbon source of the AF-SR system was 44.5% higher than that of the control. A novel integrated wastewater and sludge treatment process based on chemically enhanced primary sedimentation and AF-SR is proposed for future application.

AB - Anaerobic fermentation and sulfate reduction (AF-SR) was firstly used for recovery of carbon sources and phosphorus from Fe-enhanced primary sludge (Fe-sludge). With FeCl3 dosage of 30 mg Fe/L, 63.0% of the chemical oxygen demand (COD) and 97.3% of the phosphorus were concentrated from sewage into Fe-sludge. Batch anaerobic fermentation tests of Fe-sludge with and without sulfate addition (AF-SR and control) were performed. The results showed that volatile fatty acid concentrations of the control and AF-SR were 211.0 and 270.2 mg COD/g volatile suspended solids, respectively. Furthermore, 33.2% (control) and 56.2% (AF-SR) of the total phosphorus in Fe-sludge was released. The recovery performances of carbon source and phosphorus were calculated based on struvite precipitation. The available carbon source of the AF-SR system was 44.5% higher than that of the control. A novel integrated wastewater and sludge treatment process based on chemically enhanced primary sedimentation and AF-SR is proposed for future application.

KW - Anaerobic fermentation

KW - Carbon source

KW - Chemically enhanced primary sedimentation

KW - Phosphorus recovery

KW - Sulfate reduction

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Carbon source and phosphorus recovery from iron-enhanced primary sludge via anaerobic fermentation and sulfate reduction: Performance and future application

Abstract

Keywords

UN SDGs

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