Cited by 39Anaerobic Digestion and Biogas ProductionWastewater Treatment and ReuseWastewater Treatment and Nitrogen Removal

Integrated ABR and UASB System for Dairy Wastewater Treatment: Engineering Design and Practice

Ji, Siping, Ma, Wuyi, Wei, Qianwen, Zhang, Weishi, Jiang, Fengzhi, Chen, Jing·2020·Science of The Total Environment

Abstract

This work designed and assessed the engineering performance of dairy wastewater treatment by an integrated system consisting of an anaerobic baffled reactor (ABR) and an upflow anaerobic sludge blanket (UASB). With fats adsorbed and decomposed, proteins were first denatured coagulated into solids in the ABR treatment process, and this process created suitable conditions for sludge retention in the sludge bed of the UASB. As a result, the combined system achieved a substantial reduction in excess sludge from 3 to 5 t/d to 3 t/m, notable biogas generation, and 98% COD removal, while the other pollutants in the effluent met relevant standards. In addition, the system attained an excellent performance in terms of the energy consumption and water treatment agent amount. Two active plants achieved operation costs lower than 0.5 kW h/t, while stable operations under ambient temperature conditions lasted longer than three years. Engineering practices both technically and economically affirmed the potential of the proposed system for dairy wastewater treatment.

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Crossref · 10.1016/j.scitotenv.2020.142267

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  • Miniaturized dielectric barrier discharge-molecular emission spectrometry determines total sulfur dioxide in algae food with a good linear relationship, accurate detection results, low cost, and compact and small detection equipment.

    “In addition, the total sulfur dioxide in algae food was determined by miniaturized dielectric barrier discharge—molecular emission spectrometry, this method has a good linear relationship, accurate detection results, low cost, compact and small detection equipment [106].”

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Authors
Ji, S., Ma, W., Wei, Q., Zhang, W., Jiang, F., & Chen, J.
Affiliations
  • Yunnan University (CN)
  • Tianjin Normal University (CN)
Corresponding author
  • Ji, Siping
  • Chen, Jing
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2020-12
Volume
749
Pages
142267
ISSN
0048-9697 (ISSN-L)
OpenAlex
W3083996691
Cited by
39
References
55
Citations by year
2026: 1 · 2025: 9 · 2024: 5 · 2023: 9 · 2022: 7 · 2021: 8
FWCI
3.18
Type
journal article
Language
en
Open access
closed
Locations
  • The Science of The Total Environment (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Wastewater Treatment and Reuse
  • Physical Sciences › Environmental Science › Pollution › Wastewater Treatment and Nitrogen Removal
Keywords
dairy wastewater treatment, anaerobic baffled reactor, upflow anaerobic sludge blanket, protein coagulation, sludge retention, excess sludge reduction, biogas production, COD removal, energy consumption, operating costs, room-temperature operation
MeSH terms
Anaerobiosis, Sewage, Waste Disposal, Fluid, Bioreactors, Wastewater

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