[Effectiveness and cost-effectiveness of risk-based topical fluoride intervention on early childhood caries in Jiangnan District, Nanning City]. [PDF]
Jiang Y +8 more
europepmc +1 more source
[Simultaneous determination of 43 antibacterials from nine categories in water using automatic sample loading-solid phase extraction-ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Xia BL +6 more
europepmc +1 more source
某高新区污水处理厂一期工程主要处理工业废水与生活污水的混合污水,因进水水质波动较大,系统时常受到冲击。二期扩建工程主体工艺采用“除氟高效沉淀池+生物池+高效沉淀池+V型滤池”,在接纳含氟废水的情况下,出水水质仍稳定达到《城镇污水处理厂污染物排放标准》(GB 18918—2002)一级A标准。实际运行数据显示,平均出水COD、BOD5、NH3-N、TN、TP、SS、氟离子分别为29.63、4.25、1.17、10.47、0.34、5.91、1.23 mg/L,平均去除率分别为88.2%、96.0%、94 ...
王皖蒙 +5 more
doaj
[Determination of eight per- and polyfluoroalkyl substances in seawater using dispersive membrane extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Ren Z +5 more
europepmc +1 more source
[Development of a multi-residue detection method for 27 typical pharmaceuticals and personal-care products in plants and analysis of their migration patterns in sprouts]. [PDF]
Zeng YF +7 more
europepmc +1 more source
本发明提供了一种含氟磺酸-磺酰亚胺基复合质子交换膜及其制备方法。该质子交换膜由侧链含氟磺酸-磺酰亚胺基聚醚醚酮树脂为基体,加入聚偏氟乙烯树脂(PVDF)混合形成,能够兼顾高电导率、高强度、高稳定性,以及低钒离子渗透率、低溶胀度和吸水率 ...
薛立新 +4 more
core
[Assessment on data processing methods for nontarget identification of per- and polyfluoroalkyl substances using liquid chromatography-high-resolution mass spectrometry]. [PDF]
Zhang BX +5 more
europepmc +1 more source
[Spherical amino-functionalized covalent organic frameworks: Synthesis and adsorption performance toward perfluorinated compounds]. [PDF]
Ye JB, Liu JW, Cui AQ, Wu XY, Sun H.
europepmc +1 more source
天然气净化废水水质水量波动大,且含有大量难降解物质,一直难以稳定达标。本工程采用水解酸化+两级SBR法工艺处理天然气净化废水,在进水均值ρ(COD)=943 mg/L、(ρBOD)=268 mg/L、ρ(NH3-N)=30.5 mg/L时,出水均值ρ(COD)=37.4 mg/L、ρ(BOD)=4.7 mg/L、ρ(NH3-N)=1.9 mg/L,完全达到GB8978-1996《污水综合排放标准》一级标准,工程运行稳定。出水回用于循环冷却、绿化、冲厕、道路冲洗等,回用率达到100 ...
张敏 +4 more
core
水解酸化+两级AO/MBR+臭氧催化氧化+BAF+气浮处理TFT-LCD废水
以某薄膜晶体管液晶显示器(TFT-LCD)企业的废水处理厂为例,对其接纳的废水进行分析。针对废水成分复杂、水质变化大、污染物浓度高、可生化性差以及排放要求高的特点,将废水分为有机废水、酸碱废水和含氟废水进行分类收集、分质预处理,经预处理后的3种废水混合后再进行进一步处理。根据混合废水的水质特性,设计开发了水解酸化+两级AO/MBR+臭氧催化氧化+BAF(DN型)+气浮+次氯酸钠消毒的组合处理工艺。运行结果表明,该组合工艺运行稳定,试运行期间平均出水COD、BOD5、NH3-N、TP、TN、SS、F ...
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