|本期目录/Table of Contents|

[1]罗庆,王小雄,张媛,等.超声波协同臭氧处理剩余污泥[J].石化技术与应用,2022,5:355-358.
 LUO Qing,WANG Xiao-xiong,ZHANG Yuan,et al.Treatment of excess sludge by ultrasonic and ozone synergy[J].Petrochemical technology & application,2022,5:355-358.
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超声波协同臭氧处理剩余污泥(PDF)

《石化技术与应用》[ISSN:1009-0046/CN:62-1138/TQ]

期数:
2022年5期
页码:
355-358
栏目:
出版日期:
2022-09-10

文章信息/Info

Title:
Treatment of excess sludge by ultrasonic and ozone synergy
文章编号:
1009-0045(2022)05-0355-04
作者:
罗庆王小雄张媛韦清华王树勖文善雄牛进龙李常青刘发强
中国石油石油化工研究院 兰州化工研究中心,甘肃 兰州 730060
Author(s):
LUO QingWANG Xiao-xiongZHANG YuanWEI Qing-huaWANG Shu-xuWEN Shan-xiongNIU Jin-longLI Chang-qingLIU Fa-qiang
Lanzhou Petrochemical Research Center,Petrochemical Research Institute,PetroChina,Lanzhou 730060,China
关键词:
剩余污泥超声波臭氧溶胞减量声能密度化学需氧量沉降比
Keywords:
excess sludge ultrasonic ozone lysis reduction sound energy density chemical oxygen demand sedimentation ratio
分类号:
TU 992.3
DOI:
DOI:10.19909/j.cnki.ISSN1009-0045.2022.05.0355
文献标识码:
B
摘要:
采用超声波协同臭氧工艺进行剩余污泥溶胞减量,考察了工艺条件对污泥减量效果的影响,并分析了处理过程中污泥性质的变化情况。结果表明:采用超声波和臭氧同时作用工艺,在超声波频率为20 kHz,声能密度为0.5 W/mL,臭氧投加速率为100 mg/min,反应时间为60 min的最佳条件下,污泥减量率达到40.11%,并且污泥粒径由处理前的29.76 μm降至处理后的10.01 μm,沉降比由0.93降至0.11,溶解性化学需氧量、总氮、总磷质量浓度依次由45,8,0.20 mg/L上升至1 242,129,12.41 mg/L,挥发性悬浮固体物与总悬浮固体物质量浓度比则由0.79降至0.63。
Abstract:
The effects of process conditions on excess sludge reduction effect were investigated and the variation on properties of the sludge were analyzed during treatment by ultrasonic and ozone synergy to reduce excess sludge dissolved cells.The results showed that adopting ultrasonic and ozone synergy simultaneously,under the optimum conditions of ultrasonic frequency of 20 kHz,sound energy density of 0.5 W/mL,ozone adding rate of 100 mg/min and reaction time of 60 min,the reduction rate of excess sludge reached 40.11%,sludge particle size decreased from 29.76 μm to 10.01 μm,sludge sedimentation ratio decreased from 0.93 to 0.11,the mass concentrations of ion dissolved chemical oxygen demand,total nitrogen and total phosphorus increased from 45,8,0.20 mg/L to 1 242,129,12.41 mg/L respectively,and the proportion of the mass concentrations of volatile suspended solids to the total suspended solids in sludge decreased from 0.79 to 0.63.

参考文献/References

[1] Zhang J,Xu D Y,Zhang G M,et al.Critical review on ultrasound lysis-cryptic growth for sludge reduction[J].Journal of Environmental Chemical Engineering,2021,9(5):1-8.[2] Zhao X,Liu Y,Li X D,et al.Dynamical study on in-situ sludge reduction community by compound microbial inoculant[J].Journal of Harbin Engineering University,2015,36(4):587-591.[3] 魏源送,林佳琪,徐宇峰,等.基于微生物新陈代谢过程的污泥原位减量技术进展[J].环境工程学报,2020,14(9): 2291-2309.[4] 李业云,张婷,景凌云.剩余污泥源头减量化技术研究进展[J].应用化工,2019,48(11):2708-2713.[5] Tian X B,Wang C,Trzcinski A P,et al.Insights on the solubilization products after combined alkaline and ultrasonic pre-treatment of sewage sludge[J].Journal of Environmental Sciences,2015(29):97-105.[6] Liu C G,Zhang P Y,Zeng C H,et al.Feasibility of bioleaching combined with Fenton oxidation to improve sewage sludge dewaterability [J].Journal of Environmental Sciences,2015(28):37-42.[7] 张博,赵益华,季民,等.工业化规模超声波预处理对不同固体浓度污泥厌氧消化性能的影响[J].环境科学学报,2019,13(9):2225-2231.[8] 任宏洋,彭磊,王兵,等.剩余污泥臭氧化溶胞过程研究[J].安全与环境学报,2019,19(4):1308-1315.[9] 刘昌,曾萍,宋永会,等.超声与碱预处理对剩余污泥磷及有机物释放的影响[J].环境科学学报,2014,34(5):1276-1284.[10] 袁晓玲,王飞坤,王雅萌,等.臭氧微纳气泡促进污泥减量及氧化后污泥性质研究[J].工业水处理,2020,40(7):47-50.[11] 刘惠萍,刘心中.超声波-臭氧破解污水处理剩余污泥技术浅析[J].中国环保产业,2015(6):55-57.[12] Wang J F,Li H,Liu Y Q,et al.Lysis characteristics and mechanism of excess sludge degraded by ozone and ultrasonic treatment[J].Environmental Technology,2020,41(2):222-231.[13] 何楚茵,金辉,卜淳炜,等.臭氧处理剩余污泥的减量化实验研究[J].环境工程学报,2012,6(11):4228-4234.

备注/Memo

备注/Memo:
中国石油天然气股份有限公司资助项目(项目编号:2019 D-4622)
更新日期/Last Update: 2022-09-10