医药和个人护理用品(PPCPs)已在环境中广泛存在,并对生态系统具有一定的风险。基于CiteSpace可视化软件,对Web of Science数据库中2001~2023年期间8901篇PPCPs相关的文献进行数据驱动的文献计量学研究,包括出版趋势、研究方向分类、国...医药和个人护理用品(PPCPs)已在环境中广泛存在,并对生态系统具有一定的风险。基于CiteSpace可视化软件,对Web of Science数据库中2001~2023年期间8901篇PPCPs相关的文献进行数据驱动的文献计量学研究,包括出版趋势、研究方向分类、国家与机构合作网络、PPCPs关键词共现、突发关键词以及关键词聚类分析的时间轴可视化等,共现关键词分析选取其中11个聚类,其结构良好(Q=0.8088),聚类可信度高(S=0.9107)。分析结果表明,光催化降解和有机骨架材料被较多的关注,这为研究人员后续的研究方向及内容提供参考价值。展开更多
文章以北京市密云区农村污水治理项目为背景,研究了不同水质条件下纳滤膜对制药和个人护理产品(pharmaceuticals and personal care products,PPCPs)的截流效果。试验结果表明,在不同pH及无机离子浓度条件下,聚酰胺(polyamide,PA)纳滤膜...文章以北京市密云区农村污水治理项目为背景,研究了不同水质条件下纳滤膜对制药和个人护理产品(pharmaceuticals and personal care products,PPCPs)的截流效果。试验结果表明,在不同pH及无机离子浓度条件下,聚酰胺(polyamide,PA)纳滤膜的PPCPs截流率均超过50%,说明PA纳滤膜处理PPCPs污染物具有一定的可行性和有效性。部分污染物的截流效果随水样pH及无机离子浓度的增加而逐步提高,并随着污染物分子量的增加,截流效果显著提高。展开更多
Pharmaceuticals and personal care products(PPCPs)are receiving attention as emerging pollutants due to their extensive applications and persistent emissions.The Qiantang River Basin,a representative region in eastern ...Pharmaceuticals and personal care products(PPCPs)are receiving attention as emerging pollutants due to their extensive applications and persistent emissions.The Qiantang River Basin,a representative region in eastern China that relies on surface water for drinking purposes,experiences the movement and accumulation of PPCPs in its water and sediment,which can directly affect the safety of drinking water in the basin.This study focuses on the Qiantang River Basin’s surface water,sediment,and drinking water to determine the occurrence and potential risks of 31 PPCPs.It aims to address whether PPCPs in the environment could migrate and accumulate,thereby affecting human health.The findings indicated that PPCPs are ubiquitous in various environmental media,with surface and pore water showing distinct spatial distribution characteristics,specifically,concentrations escalated with urban scale expansion,indicating that domestic sewage discharge is the primary source of PPCP input.Bisphenol A(BPA),ketoprofen(KTP),and diethyltoluamide(DEET)were the primary contaminants.The movement of PPCPs within the surface water-sediment-pore water system was affected by various circumstances.Substances like Sulfamethoxazole(SMX)(RQ>103)and KTP(RQ=22.3)present in surface water and sediment pose significant ecological concerns,and KTP and atrazine(ATZ)(0.6<RQ<2.1)also pose a high risk in drinking water.This study performed an extensive analysis of the distribution and risks associated with typical PPCPs in the Qiantang River Basin,offering a scientific foundation and theoretical support for research on the environmental behavior of PPCPs in this area and the development of targeted pollution control strategies.展开更多
对PPCPs的相关论文进行计量分析,以Web of Science为检索数据库,以“Pharmaceutical and Personal Care Products”、“PPCPs”为检索词检索,检索了1992年到2023年间的论文。利用Web of Science和Histcite软件进行分析,讨论了不同年份...对PPCPs的相关论文进行计量分析,以Web of Science为检索数据库,以“Pharmaceutical and Personal Care Products”、“PPCPs”为检索词检索,检索了1992年到2023年间的论文。利用Web of Science和Histcite软件进行分析,讨论了不同年份、国家、研究机构、作者、期刊的论文发表和被引用情况;利用VOSviewer软件分析研究前沿热点并绘制知识图谱。研究发现1992年~2021年,PPCPs相关论文发文量总体呈增长趋势,2022年开始发文量开始下降。中国、西班牙、美国的科研机构发文量和被引频次位列前排。PPCPs的研究前沿集中于环境风险,污染物降解途径方面。展开更多
文摘医药和个人护理用品(PPCPs)已在环境中广泛存在,并对生态系统具有一定的风险。基于CiteSpace可视化软件,对Web of Science数据库中2001~2023年期间8901篇PPCPs相关的文献进行数据驱动的文献计量学研究,包括出版趋势、研究方向分类、国家与机构合作网络、PPCPs关键词共现、突发关键词以及关键词聚类分析的时间轴可视化等,共现关键词分析选取其中11个聚类,其结构良好(Q=0.8088),聚类可信度高(S=0.9107)。分析结果表明,光催化降解和有机骨架材料被较多的关注,这为研究人员后续的研究方向及内容提供参考价值。
文摘文章以北京市密云区农村污水治理项目为背景,研究了不同水质条件下纳滤膜对制药和个人护理产品(pharmaceuticals and personal care products,PPCPs)的截流效果。试验结果表明,在不同pH及无机离子浓度条件下,聚酰胺(polyamide,PA)纳滤膜的PPCPs截流率均超过50%,说明PA纳滤膜处理PPCPs污染物具有一定的可行性和有效性。部分污染物的截流效果随水样pH及无机离子浓度的增加而逐步提高,并随着污染物分子量的增加,截流效果显著提高。
基金jointly supported by the Open Research Fund of State Environmental Protection Key Laboratory of Drinking Water Source Protection,Chinese Research Academy of Environmental Sciences(2022YYSYKFYB07)the Fundamental Research Funds for the Central Publicinterest Scientific Institution(2022YSKY-07)the China Geological Survey Project(DD20211414).
文摘Pharmaceuticals and personal care products(PPCPs)are receiving attention as emerging pollutants due to their extensive applications and persistent emissions.The Qiantang River Basin,a representative region in eastern China that relies on surface water for drinking purposes,experiences the movement and accumulation of PPCPs in its water and sediment,which can directly affect the safety of drinking water in the basin.This study focuses on the Qiantang River Basin’s surface water,sediment,and drinking water to determine the occurrence and potential risks of 31 PPCPs.It aims to address whether PPCPs in the environment could migrate and accumulate,thereby affecting human health.The findings indicated that PPCPs are ubiquitous in various environmental media,with surface and pore water showing distinct spatial distribution characteristics,specifically,concentrations escalated with urban scale expansion,indicating that domestic sewage discharge is the primary source of PPCP input.Bisphenol A(BPA),ketoprofen(KTP),and diethyltoluamide(DEET)were the primary contaminants.The movement of PPCPs within the surface water-sediment-pore water system was affected by various circumstances.Substances like Sulfamethoxazole(SMX)(RQ>103)and KTP(RQ=22.3)present in surface water and sediment pose significant ecological concerns,and KTP and atrazine(ATZ)(0.6<RQ<2.1)also pose a high risk in drinking water.This study performed an extensive analysis of the distribution and risks associated with typical PPCPs in the Qiantang River Basin,offering a scientific foundation and theoretical support for research on the environmental behavior of PPCPs in this area and the development of targeted pollution control strategies.
文摘对PPCPs的相关论文进行计量分析,以Web of Science为检索数据库,以“Pharmaceutical and Personal Care Products”、“PPCPs”为检索词检索,检索了1992年到2023年间的论文。利用Web of Science和Histcite软件进行分析,讨论了不同年份、国家、研究机构、作者、期刊的论文发表和被引用情况;利用VOSviewer软件分析研究前沿热点并绘制知识图谱。研究发现1992年~2021年,PPCPs相关论文发文量总体呈增长趋势,2022年开始发文量开始下降。中国、西班牙、美国的科研机构发文量和被引频次位列前排。PPCPs的研究前沿集中于环境风险,污染物降解途径方面。
