[1]王凤雪,张新波,尚禹彤,等.MBBR—MBR对磺胺嘧啶的去除及膜污染特性[J].中国给水排水,2023,39(1):80-85.
　WANGFeng-xue,ZHANGXin-bo,SHANGYu-tong,et al.MBBR-MBR System for Removal of Sulfadiazine and Its Membrane Fouling Characteristics[J].China Water & Wastewater,2023,39(1):80-85.
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MBBR—MBR对磺胺嘧啶的去除及膜污染特性

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第39卷 期数: 2023年第1期 页码: 80-85 栏目: 出版日期: 2023-01-01
Title:
MBBR-MBR System for Removal of Sulfadiazine and Its Membrane Fouling Characteristics
作者:
王凤雪1， 张新波1,2， 尚禹彤1,2， Huu Hao NGO1， 张祖敏1,2， 温海涛1,2， 祁丽1,2
（1.天津城建大学 环境与市政工程学院，天津 300384；2.天津城建大学 天津市水质科学与技术重点实验室，天津 300384）
Author(s):
WANG　Feng-xue1， ZHANG　Xin-bo1，2， SHANG　Yu-tong1，2， Huu Hao NGO1， ZHANG　Zu-min1，2， WEN　Hai-tao1，2， QI　Li1，2
（1. School of Environmental and Municipal Engineering， Tianjin Chengjian University， Tianjin 300384， China； 2. Tianjin Key Laboratory of Aquatic Science and Technology， Tianjin Chengjian University， Tianjin 300384， China）
关键词:
MBBR;  MBR;  磺胺嘧啶;  抗生素;  膜污染
Keywords:
MBBR;  MBR;  sulfadiazine;  antibiotics;  membrane fouling
摘要:
构建MBBR—MBR耦合系统，在低碳氮比（C/N=2.5）污水条件下，探究该系统对磺胺嘧啶（SDZ）的去除效能，同时分析SDZ对常规污染物去除效果及膜污染的影响。结果表明，MBBR—MBR耦合系统对SDZ（0.5 mg/L）的去除率最高可达到61.9%，其中，MBBR与MBR单元对SDZ的平均去除率分别为42.3%和15.4%。SDZ的存在使氨氮、总氮、总有机碳的去除率以及同步硝化反硝化率分别降低了11.81%、8.41%、5.77%、3.40%，同时使得污泥平均粒径减小了3~4 μm，且MBR单元中溶解性微生物产物（SMP）的多糖浓度增加了0.35 mg/gMLVSS，MBR中跨膜压差（TMP）的增长速率增加了0.36 kPa/d，可见SDZ导致膜污染速率上升。
Abstract:
A coupled MBBR-MBR system was constructed to explore its enhanced performance for removing sulfadiazine (SDZ) from wastewater with low ratio of carbon to nitrogen (C/N=2.5), and to evaluate the effect of SDZ on conventional pollutants removal and membrane fouling. The removal rate of SDZ (0.5 mg/L) by the MBBR-MBR coupling system was up to 61.9%, and the average removal rates of SDZ by MBBR and MBR were 42.3% and 15.4%, respectively. The presence of SDZ reduced the removal rate of ammonia nitrogen, total nitrogen and total organic carbon and the simultaneous nitrification and denitrification rate by 11.81%, 8.41%, 5.77% and 3.40%, respectively. In addition, the average particle size of sludge was reduced by 3-4 μm, the polysaccharide concentration of soluble microbial products (SMP) in MBR was increased by 0.35 mg/gMLVSS, and the growth rate of transmembrane pressure in MBR was increased by 0.36 kPa/d, indicating that SDZ led to the increase of membrane fouling rate.

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更新日期/Last Update: 2023-01-01