Phosphorus removal from industrial discharge impacted municipal wastewater using sequencing batch moving bed biofilm reactor

被引：21

作者：

Fanta, Abaynesh B. ^{[1
]}

Nair, Abhilash M. ^{[2
]}

Saegrov, Sveinung ^{[1
]}

Osterhus, Stein W. ^{[1
]}

机构：

[1] Norwegian Univ Sci & Technol, Dept Civil & Environm Engn, SP Andersens Vei, N-7491 Trondheim, Norway

[2] Norwegian Univ Life Sci, Fac Sci & Technol, POB 5003, N-1432 As, Norway

来源：

JOURNAL OF WATER PROCESS ENGINEERING | 2021年 / 41卷

基金：

芬兰科学院;

关键词：

Biological phosphorus removal; Moving bed biofilm reactor; Phosphorus accumulating organisms; Temperature; Volatile fatty acid; POLYPHOSPHATE-ACCUMULATING ORGANISMS; BIOLOGICAL PHOSPHATE REMOVAL; NITROGEN REMOVAL; ANAEROBIC METABOLISM; TREATMENT PLANTS; CARBON SOURCE; MODEL; KINETICS; PH; STOICHIOMETRY;

D O I：

10.1016/j.jwpe.2021.102034

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study aimed to investigate the performance of a sequencing batch moving bed biofilm reactor (SB-MBBR) for biological P removal (Bio-P) treating diluted municipal wastewater at 10 degrees C and 20 degrees C, with volatile fatty acid (VFA) dosing during weekdays and without VFA dosing during weekends to simulate an industrial influenced wastewater. The overall results revealed that phosphorus removal efficiency for weekdays reached 53 % and 81 % at cold and moderated temperatures respectively. However, phosphorus removal efficiency for the weekend was 49 % for cold temperature and 52 % for moderate temperature. It was concluded that low temperature and low VFA might have suppressed the phosphate accumulating organisms (PAOs) performance. Besides, high extracellular polymeric substance (EPS) production might have hampered the PAOs activity, which could be linked to the observed high consumption of soluble chemical oxygen demand (SCOD) to P release ratio and thick biomass growth in the cold system.

引用

页数：13

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