电絮凝+微气泡臭氧氧化耦合工艺深度处理压裂废水
X703.1; 采用电絮凝+微气泡臭氧氧化耦合工艺处理页岩气压裂废水,考察了不同工艺、初始pH、电流密度、臭氧投加量、反应时间等因素对压裂废水COD去除效果的影响.结果表明,电絮凝+微气泡臭氧氧化耦合工艺对页岩气压裂废水具有较好的处理效果,在初始pH为 9.5、电流密度为 15 mA/cm2、臭氧投加量为 80 mg/L和反应时间为60 min最优反应条件下,压裂废水COD去除率可达到85.96%.电絮凝与微气泡臭氧氧化之间存在协同作用,碱性环境更有助于页岩气压裂废水的电絮凝耦合微气泡臭氧氧化处理,过高的电流密度将出现显著的浓差极化现象和导致絮凝体与悬浮颗粒失稳脱附,适当增加臭氧投加量将有利于...
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| Published in | 工业水处理 Vol. 43; no. 12; pp. 109 - 187 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
重庆华地资环科技有限公司,重庆 401120%中铁二院工程集团有限责任公司,四川成都 610031%中海油能源发展股份有限公司工程技术分公司,天津 300451
01.12.2023
重庆地质矿产研究院,自然资源部页岩气资源勘查重点实验室,重庆 401120%重庆地质矿产研究院,页岩气勘探开发国家地方联合工程研究中心,重庆 401120 重庆地质矿产研究院,页岩气勘探开发国家地方联合工程研究中心,重庆 401120 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-829X |
| DOI | 10.19965/j.cnki.iwt.2022-1198 |
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| Abstract | X703.1; 采用电絮凝+微气泡臭氧氧化耦合工艺处理页岩气压裂废水,考察了不同工艺、初始pH、电流密度、臭氧投加量、反应时间等因素对压裂废水COD去除效果的影响.结果表明,电絮凝+微气泡臭氧氧化耦合工艺对页岩气压裂废水具有较好的处理效果,在初始pH为 9.5、电流密度为 15 mA/cm2、臭氧投加量为 80 mg/L和反应时间为60 min最优反应条件下,压裂废水COD去除率可达到85.96%.电絮凝与微气泡臭氧氧化之间存在协同作用,碱性环境更有助于页岩气压裂废水的电絮凝耦合微气泡臭氧氧化处理,过高的电流密度将出现显著的浓差极化现象和导致絮凝体与悬浮颗粒失稳脱附,适当增加臭氧投加量将有利于加快电絮凝+微气泡臭氧氧化耦合体系中·OH的生成速率和产生量,提高废水处理效果. |
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| AbstractList | X703.1; 采用电絮凝+微气泡臭氧氧化耦合工艺处理页岩气压裂废水,考察了不同工艺、初始pH、电流密度、臭氧投加量、反应时间等因素对压裂废水COD去除效果的影响.结果表明,电絮凝+微气泡臭氧氧化耦合工艺对页岩气压裂废水具有较好的处理效果,在初始pH为 9.5、电流密度为 15 mA/cm2、臭氧投加量为 80 mg/L和反应时间为60 min最优反应条件下,压裂废水COD去除率可达到85.96%.电絮凝与微气泡臭氧氧化之间存在协同作用,碱性环境更有助于页岩气压裂废水的电絮凝耦合微气泡臭氧氧化处理,过高的电流密度将出现显著的浓差极化现象和导致絮凝体与悬浮颗粒失稳脱附,适当增加臭氧投加量将有利于加快电絮凝+微气泡臭氧氧化耦合体系中·OH的生成速率和产生量,提高废水处理效果. |
| Abstract_FL | A hybrid process of electroflocculation and micro-bubble ozone oxidation was applied for the treatment of shale gas fracturing wastewater,and the influences of the different treatment processes,the initial pH,current den-sity,ozone dosage,reaction time on the COD removal of fracturing wastewater treatment were investigated.The re-sults showed that the hybrid process of electroflocculation and micro-bubble ozone oxidation had a good effect on the treatment of shale gas fracturing wastewater.The removal rate of COD had reached 85.96%under the initial pH 9.5,current density 15 mA/cm2,ozone dosage 80 mg/L,reaction time 60 min.There was a synergistic effect between elec-troflocculation and micro-bubble ozone oxidation.The alkaline environment was more conducive to the electrofloccu-lation coupled micro-bubble ozone oxidation treatment of shale gas fracturing wastewater.A significant concentra-tion polarization would lead to unstable desorption of flocs and suspended particles when the current density was ex-cessive.An appropriate increase in ozone dosage would accelerate the formation rate and quantity of·OH,and im-prove the wastewater treatment effect. |
| Author | 杨德敏 袁建梅 张烨 阚涛涛 王益平 |
| AuthorAffiliation | 重庆地质矿产研究院,页岩气勘探开发国家地方联合工程研究中心,重庆 401120;重庆地质矿产研究院,自然资源部页岩气资源勘查重点实验室,重庆 401120%重庆地质矿产研究院,页岩气勘探开发国家地方联合工程研究中心,重庆 401120;重庆华地资环科技有限公司,重庆 401120%中铁二院工程集团有限责任公司,四川成都 610031%中海油能源发展股份有限公司工程技术分公司,天津 300451 |
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| Author_FL | ZHANG Ye WANG Yiping KAN Taotao YANG Demin YUAN Jianmei |
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| DocumentTitle_FL | Advanced treatment of fracturing wastewater by electroflocculation hybrid with micro-bubble ozone oxidation process |
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| Keywords | ozone oxidation 页岩气压裂废水 电絮凝 hybrid process electroflocculation 臭氧氧化 shale gas fracturing wastewater 协同作用 耦合工艺 synergistic effect |
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| Publisher | 重庆华地资环科技有限公司,重庆 401120%中铁二院工程集团有限责任公司,四川成都 610031%中海油能源发展股份有限公司工程技术分公司,天津 300451 重庆地质矿产研究院,自然资源部页岩气资源勘查重点实验室,重庆 401120%重庆地质矿产研究院,页岩气勘探开发国家地方联合工程研究中心,重庆 401120 重庆地质矿产研究院,页岩气勘探开发国家地方联合工程研究中心,重庆 401120 |
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| Title | 电絮凝+微气泡臭氧氧化耦合工艺深度处理压裂废水 |
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