检索结果-南通市图书馆

The impact of a Wastewater Treatment Works in Southern Gauteng, South Africa on efavirenz and nevirapine discharges into the aquatic environment

引用

Emerging Contaminants 2017年第2期3卷 95-106页

作者： C.Schoeman M.Dlamini O.J.Okonkwo Rand Water 2 Barrage RoadVereenigingSouth Africa Tshwane University of Technology 175 Mandela DrivePretoriaSouth Africa

There has been growing concern regarding the pollution of the aquatic environment with synthetic organic *** drugs,such as efavirenz and nevirapine,are pharmaceutical drugs and are referred to as emerging *** drugs can be environmentally persistent and may be expected to pose potential risks to drinking water *** of pharmaceutical drugs include effluents from Wastewater Treatment Works(WWTPs),hospital and pharmaceutical production facilities and the incorrect disposal of unused and expired *** there are no monitoring programs and legislative guidelines for their regulations in South *** aims of this study were firstly to develop a semi-quantitative method to extract and analyse efavirenz and nevirapine in the primary settling tank *** to use that method,and an existing method for liquid wastewater samples,to monitor the concentrations of efavirenz and nevirapine as the wastewater passes through the different stages of purification(anoxic;aerobic;pre and post chlorination)in the *** was repeated weekly over a period of 4 ***,to determine if binding of efavirenz and nevirapine to the solids in the WWTP played a role in the removal of these compounds from the WWTP liquid *** references to the analysis of ARVDs in WWTP sludge were found in the *** samples of wastewater and sludge samples were collected from a WWTP(activated sludge treatment process)weekly for 4 *** samples were extracted solid phase extraction,solid samples were extracted using sonication followed by a QuEChERs *** extracts were then subjected to gas chromatography-time of flight mass spectrometry for analyte *** concentrations entering the WWTP ranged between 5500 to almost 14000 ng/*** removal of efavirenz by the WWTP ranged between 27 and 71%.The largest removal occurred in the anoxic zone,smaller amounts were removed in the *** inc

关键词： Antiretroviral drug removal Wastewater Treatment Works Purification Aqueous Sludge Solid phase extraction Semi-quantitative gas chromatography-time of flight mass spectrometry

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：