Effect of Mg/Ca molar ratios on characteristics of anaerobic-anoxic denitrifying dephosphatation

Tian, W. -D.1; Ma, C.2,3; Lin, Y.4; Ran, Z. -L.5

2017-09

10.1016/j.biortech.2017.01.063

BIORESOURCE TECHNOLOGY   影响因子和分区

0960-8524

1873-2976

In this study, the effect of three Mg/Ca molar ratios (5.0, 3.8 and 1.7) on denitrifying phosphate removal performance, biomass morphology, and Extracellular Polymeric Substances (EPS) were examined. Results showed that when the influent Mg/Ca molar ratio was 3.8, the anaerobic-anoxic EBPR performed complete phosphate removal. The microbial bacterial population was a mixed culture comprised of 81 +/- 3% DPAO and 13 +/- 2% denitrifying glycogen accumulating organisms (DGAO). A higher influent Mg/Ca molar ratio (5.0) had a distinct impact on phosphate removal, biomass morphology, and EPS. This probably induced the deterioration of the anaerobic-anoxic Enhanced Biological Phosphorus Removal (EBPR). The results of this study may inform the proper operation of an anaerobic-anoxic EBPR, and contribute to its application in the real world. (C) 2017 Elsevier Ltd. All rights reserved.

Mg/Ca molar ratios Anaerobic-anoxic denitrifying dephosphatation Enhanced Biological Phosphorus Removal (EBPR) Extracellular Polymeric Substances (EPS)

SCI ; EI

英语

第一 ; 通讯

State Key Laboratory of Separation Membranes and Membrane Processes[15PTSYJC00230]

Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels

Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels

WOS:000405319500012

ELSEVIER SCI LTD

20170703344152

Denitrification ; Polymers ; Wastewater treatment

Water Treatment Techniques:445.1 ; Industrial Wastes Treatment and Disposal:452.4 ; Chemical Reactions:802.2 ; Polymeric Materials:815.1

BIOLOGY & BIOCHEMISTRY

Web of Science

1.South Univ Sci & Technol China, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China
2.Tianjin Polytech Univ, Sch Environm & Chem Engn, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
3.Univ Connecticut, Dept Chem & Biomol Engn, 191 Auditorium Rd Unit 3222, Storrs, CT 06269 USA
4.Delft Univ Technol, Dept Biotechnol, Van der Maasweg 9, NL-2629 HZ Delft, Netherlands
5.Shenzhen Inst Informat Technol, Sch Transportat & Environm, Shenzhen 518172, Peoples R China

Tian, W. -D.,Ma, C.,Lin, Y.,et al. Effect of Mg/Ca molar ratios on characteristics of anaerobic-anoxic denitrifying dephosphatation[J]. BIORESOURCE TECHNOLOGY,2017,240:94-97.

Tian, W. -D.,Ma, C.,Lin, Y.,&Ran, Z. -L..(2017).Effect of Mg/Ca molar ratios on characteristics of anaerobic-anoxic denitrifying dephosphatation.BIORESOURCE TECHNOLOGY,240,94-97.

Tian, W. -D.,et al."Effect of Mg/Ca molar ratios on characteristics of anaerobic-anoxic denitrifying dephosphatation".BIORESOURCE TECHNOLOGY 240(2017):94-97.