Optimizing concentration and interaction mechanism of Demodesmus sp. and Achromobacter pulmonis sp. consortium to evaluate their potential for dibutyl phthalate removal from synthetic wastewater

被引：7
作者：
Qu, Yihe [1 ]
Chen, Junyi [2 ]
Russel, Mohammad [1 ]
Huang, Wei [3 ]
Bingke, Yang [1 ]
Lei, Wu [1 ]
Zhang, Dayong [1 ]
Blaszczak-Boxe, Christopher [4 ]
机构：
[1] Dalian Univ Technol, Sch Ocean Sci & Technol, Panjin 124221, Liaoning, Peoples R China
[2] Chinese Res Inst Environm Sci, Natl Engn Lab Lake Pollut Control & Ecol Restorat, Beijing 100012, Peoples R China
[3] Donghua Univ, Coll Environm Sci & Engn, Ctr Pollut Treatment & Control Text Ind, State Environm Protect Engn, Shanghai 201620, Peoples R China
[4] Howard Univ, NOAA Ctr Atmospher Sci & Meteorol, Earth Environm & Equ Dept, Washington, DC 20059 USA
来源：
BIORESOURCE TECHNOLOGY | 2024年 / 395卷
关键词：
Algae-bacterial co-culture; Isolation & acclimation; Nutrient exchange; Removal performance; Degradation kinetics; BACTERIAL CONSORTIUM; DIETHYL PHTHALATE; BIODEGRADATION; GROWTH; DEGRADATION; ESTERS;
D O I：
10.1016/j.biortech.2024.130372
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A green approach of Desmodesmus sp. to Achromobacter pulmonis (1:1) coculture ratios was optimized to improve the removal efficiency of dibutyl phthalate (DBP) from simulated wastewater. High DBP resistance bacterial strains and microalgae was optimized from plastic contaminated water and acclimation process respectively. The influence of various factors on DBP removal performance was comprehensively investigated. Highest DBP removal 93 % was recorded, when the ratios algae-bacteria 1:1, with sodium acetate, pH-6, shaking speed-120 rpm and lighting periods L:D-12:12. Enough nutrient (TN/TP/TOC) availability and higher protein-108 mg/L and sugar-40 mg/L were observed in presences of 50 mg/L DBP. The degradation and sorption were calculated 81,12; 27,39 & 43,12 % in algae-bacteria, only algae and only bacteria system respectively. The degradation kinetics t(1/2) 3.74,22.15,12.86 days were evaluated, confirming that algae-bacteria effectively degrade the DBP. This outcome leading to promote a green sustainable approach to remove the emerging contamination from wastewater.
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页数：13
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