污水处理用改性聚丙烯复合填料的制备及其性能研究
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摘要
选用具有磁性、生物亲和亲水性及吸附性的添加剂,如磁粉、聚乙烯醇、活性炭、磷灰石等与聚丙烯熔融共混,制备了2种水处理用改性复合填料,研究了添加剂含量及种类对改性复合填料吸水性、吸附性能的影响。结果表明,添加6%(wt,质量分数,下同)磁粉、1.5%硬脂酸、8%增塑聚乙烯醇、1%马来酸酐接枝聚丙烯、2%活性炭的生物亲和亲水磁化改性复合填料具有明显的吸水和吸附效果。
Two kinds of biological compounding packing for wastewater treatment were prepared by blending the polypropylene and some additives,the additives could choose magnetic powder,apatite,polyvinyl alcohol and activated carbon which were magnetic,biocompatible,hydrophilic and adsorptive.The effects of additives'contents and kinds on the water absorption as well as adsorption properties of modified compounding packing were investigated.It could be found that the bioaffinity hydrophilic-modified compounding packing which consisted of magnetic particle(6 wt%),stearic acid(1.5 wt%),plasticized PVA(8 wt%),maleic anhydride grafted polypropylene(1 wt%),activated carbon(2 wt%)showed significant effect on water absorption and adsorption.
Two kinds of biological compounding packing for wastewater treatment were prepared by blending the polypropylene and some additives,the additives could choose magnetic powder,apatite,polyvinyl alcohol and activated carbon which were magnetic,biocompatible,hydrophilic and adsorptive.The effects of additives'contents and kinds on the water absorption as well as adsorption properties of modified compounding packing were investigated.It could be found that the bioaffinity hydrophilic-modified compounding packing which consisted of magnetic particle(6 wt%),stearic acid(1.5 wt%),plasticized PVA(8 wt%),maleic anhydride grafted polypropylene(1 wt%),activated carbon(2 wt%)showed significant effect on water absorption and adsorption.
引文
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[2]吕睿.浅谈我国水资源保护[J].黑河学刊,2017(1):1.
[3]王艺.城市污水生物处理工艺中传质机理及其载体填料的研究[D].长春:吉林大学,2005.
[4]杨宇.采用生物膜法处理城镇污水的应用研究[J].科技展望,2016,26(33):48.
[5]李倩,胡廷尖,刘士力,等.循环水养殖系统中3种生物填料对水质的净化作用[J].江苏农业科学,2017,45(1):243.
[6]周子明,李华,刘青松,等.工厂化循环水养殖系统中生物填料的研究现状[J].水处理技术,2015,41(12):33.
[7]安燕,陶文亮,赵文聪,等.改性水处理用生物填料性能的研究[J].贵州大学学报:自然科学版,2009,26(6):134.
[8]程江,张凡,海景,等.聚丙烯填料的生物亲和亲水磁化改性对其润湿及挂膜性能的影响[J].化工学报,2004,55(9):1564.
[9]黄尚东,程江,安燕,等.新型聚丙烯填料在废水好氧处理中的综合性能研究[J].水处理技术,2006,32(11):27.
[10]戴松林,罗晓虹,黄奐彦,等.生物亲和亲水磁性填料在污水生物处理中的应用[J].环境污染与防治,2009,31(5):51.
[11]Lackner S,Holmberg M,Terada A,et al.Enhancing the formation and shear resistance of nitrifying biofilms on membranes by surface modification[J].Water Research,2009,43(14):3469.
[12]江学良,张姣,余露,等.水热法制备氧化钇空心纳米花及其吸附性能[J].无机化学学报,2016,32(8):1337.
[13]贺玉龙,廖正峰.磁粉活性污泥法处理城市生活污水的反应动力学特征[J].工业安全与环保,2012,38(6):7.
[14]谢劲能,祝君.一种用于3D打印的聚丙烯和聚乙烯复合耗材及其制备方法:中国,104086891A[P].2014-10-08.
[15]王金磊,王爱勤.聚乙烯醇/聚丙烯酸/羟基磷灰石复合高吸水性树脂的制备及溶胀行为[J].高分子材料科学与工程,2010,26(6):138.
[16]郑超.马来酸酐接枝聚丙烯的制备及应用性能的研究[D].上海:华东理工大学,2013.
[17]刘琼,李涛,支娟娟,等.生物质基活性炭处理重金属废水研究进展[J].现代化工,2017,37(1):18.
[18]Santos C,Clarke R L,Braden M,et al.Water absorption characteristics of dental composites incorporating hydroxyapatite filler[J].Biomaterials,2002,23(8):1897.