A combined bio-system to improve effluent water quality from sewage wastewater plants for agricultural reuse

被引：1
|
作者：
Gadow, Samir I. I. [1 ]
El-Shawadfy, Mohamed A. A. [2 ]
Abd El-Zaher, Fatma H. H. [1 ]
机构：
[1] Natl Res Ctr, Agr & Biol Res Inst, Dept Agr Microbiol, 33 EI Buhouth St, Cairo 12622, Egypt
[2] Natl Res Ctr, Dept Water Relat & Field Irrigat, Agr & Biol Res Inst, 33 EI Buhouth St, Cairo 12622, Egypt
来源：
BIOMASS CONVERSION AND BIOREFINERY | 2024年 / 14卷 / 15期
关键词：
Sewage wastewater; Bioenergy recovery; UASB; Aerobic treatment; HRT; START-UP;
D O I：
10.1007/s13399-023-03816-7
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A continuous lab-scale integrated bio-system was conducted to treat sewage wastewater from Abu-Rawash wastewater treatment plant (WWTP). The bio-system showed high efficiency in removing chemical oxygen demand (COD), biological oxygen demand (BOD5), and total suspended solids (TSS). The experimental analysis results indicated that the maximum COD removal and methane yields were 97.6 and 13.74 mmol CH4/Kg COD at a hydraulic retention time (HRT) of 6 h, respectively. Zn, Mn, and Fe were removed at a high rate of up to 96.6%. The sponge bio-carriers have improved overall treatment performance and substantially improved mixed liquor volatile suspended solids/mixed liquor suspended solids (MLVSS/MLSS) ratio at an appreciated range, and the total pathogenic organisms were removed up to 99.8% in the second stage. Because the innovative bio-system enables a rapid startup process, is simple to use, and is inexpensive, it can provide an economically feasible alternative for wastewater management and could be extended to full-scale applications for agricultural purposes.
引用
收藏
页码：16883 / 16890
页数：8
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