Synergistic cooperation between wastewater-born algae and activated sludge for wastewater treatment: influence of algae and sludge inoculation ratios

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@article{f6a156a298c942d19976bd66f54be72e,
title = "Synergistic cooperation between wastewater-born algae and activated sludge for wastewater treatment: influence of algae and sludge inoculation ratios",
abstract = "An algal-bacterial culture, composed of wastewater-born algae and activated sludge, was cultivated to treat domestic wastewater and accumulate biomass simultaneously. The influence of algae and sludge inoculation ratios on the treatment efficiency and the settleability of the accumulated biomass were investigated. There was no significant effect of the inoculation ratios on the chemical oxygen demand removal. Comparatively, the nutrients removal and related mechanism were varied with different inoculation ratios. The highest nitrogen and phosphorus removal efficiencies were observed with 5:1 (algae/sludge) culture (91.0. ±. 7.0% and 93.5. ±. 2.5%, respectively) within 10. days, which was 5-40% higher and 2-4. days faster than those with other inoculation ratios. The biomass settleability was improved with the assistance of sludge, and the 1:5 (algae/sludge) culture showed the best settleability. Furthermore, 16S rDNA gene analysis showed that the bacterial communities were varying with different algae and sludge inoculation ratios and some specific bacteria were enriched during operation.",
keywords = "Biology, 16S rDNA gene sequencing, Algae/activated sludge inoculum ratio, Algal-bacterial culture; Settleability, Settleability, wastewater treatment, 16S rDNA gene sequencing, Algae/activated sludge inoculum ratio, Algal-bacterial culture, Settleability, Wastewater treatment, Ecosystems Research",
author = "Yanyan Su and Artur Mennerich and Brigitte Urban",
year = "2012",
month = feb,
doi = "10.1016/j.biortech.2011.11.113",
language = "English",
volume = "105",
pages = "67--73",
journal = "Bioresource Technology",
issn = "1873-2976",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Synergistic cooperation between wastewater-born algae and activated sludge for wastewater treatment

T2 - influence of algae and sludge inoculation ratios

AU - Su, Yanyan

AU - Mennerich, Artur

AU - Urban, Brigitte

PY - 2012/2

Y1 - 2012/2

N2 - An algal-bacterial culture, composed of wastewater-born algae and activated sludge, was cultivated to treat domestic wastewater and accumulate biomass simultaneously. The influence of algae and sludge inoculation ratios on the treatment efficiency and the settleability of the accumulated biomass were investigated. There was no significant effect of the inoculation ratios on the chemical oxygen demand removal. Comparatively, the nutrients removal and related mechanism were varied with different inoculation ratios. The highest nitrogen and phosphorus removal efficiencies were observed with 5:1 (algae/sludge) culture (91.0. ±. 7.0% and 93.5. ±. 2.5%, respectively) within 10. days, which was 5-40% higher and 2-4. days faster than those with other inoculation ratios. The biomass settleability was improved with the assistance of sludge, and the 1:5 (algae/sludge) culture showed the best settleability. Furthermore, 16S rDNA gene analysis showed that the bacterial communities were varying with different algae and sludge inoculation ratios and some specific bacteria were enriched during operation.

AB - An algal-bacterial culture, composed of wastewater-born algae and activated sludge, was cultivated to treat domestic wastewater and accumulate biomass simultaneously. The influence of algae and sludge inoculation ratios on the treatment efficiency and the settleability of the accumulated biomass were investigated. There was no significant effect of the inoculation ratios on the chemical oxygen demand removal. Comparatively, the nutrients removal and related mechanism were varied with different inoculation ratios. The highest nitrogen and phosphorus removal efficiencies were observed with 5:1 (algae/sludge) culture (91.0. ±. 7.0% and 93.5. ±. 2.5%, respectively) within 10. days, which was 5-40% higher and 2-4. days faster than those with other inoculation ratios. The biomass settleability was improved with the assistance of sludge, and the 1:5 (algae/sludge) culture showed the best settleability. Furthermore, 16S rDNA gene analysis showed that the bacterial communities were varying with different algae and sludge inoculation ratios and some specific bacteria were enriched during operation.

KW - Biology

KW - 16S rDNA gene sequencing

KW - Algae/activated sludge inoculum ratio

KW - Algal-bacterial culture; Settleability

KW - Settleability

KW - wastewater treatment

KW - 16S rDNA gene sequencing

KW - Algae/activated sludge inoculum ratio

KW - Algal-bacterial culture

KW - Settleability

KW - Wastewater treatment

KW - Ecosystems Research

UR - http://www.scopus.com/inward/record.url?scp=84855243391&partnerID=8YFLogxK

U2 - 10.1016/j.biortech.2011.11.113

DO - 10.1016/j.biortech.2011.11.113

M3 - Journal articles

C2 - 22189078

VL - 105

SP - 67

EP - 73

JO - Bioresource Technology

JF - Bioresource Technology

SN - 1873-2976

ER -

DOI