复合正渗透膜对聚乙二醇废水浓缩性能的研究
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摘要
目的解决传统聚乙二醇废水处理方法存在高成本和高耗能的缺陷.方法采用新型复合正渗透中空纤维膜浓缩回用聚乙二醇废水,分别考察了汲取液种类及浓度、原料液浓度、放置模式等条件下对聚乙二醇废液浓缩性能的影响.结果聚乙二醇浓缩性能随着汲取液种类不同而不同;增加汲取液浓度或减少原料液浓度,聚乙二醇浓缩性能均明显提高;PRO模式时,复合正渗透膜的浓缩性能较好.结论相比于商业化平板正渗透膜,复合正渗透中空纤维膜对PEG溶液浓缩展现出更好的性能和应用前景.
In order to overcome the shortcomings of high cost and high energy consumption in the traditional treatment of polyethylene glycol wastewater,a new type of composite forward osmosis(FO)hollow fiber membrane was used to concentrate and reuse polyethylene glycol(PEG)wastewater.The effects of the type and concentration of draw solution,feed solution concentration,place mode on the concentration performance of PEG wastewater were investigated.Concentration performance of PEG varies with the types of draw solution.The concentration performance of PEG increases significantly with the increase of the concentration of draw solution or the decrease of the concentration of feed solution.The concentration performance of composite FO membrane was better in PRO mode.Compared with commercially available flat sheet FO membrane,composite FO hollow fiber membrane show better performance and application prospects in the concentration of PEG solution.
In order to overcome the shortcomings of high cost and high energy consumption in the traditional treatment of polyethylene glycol wastewater,a new type of composite forward osmosis(FO)hollow fiber membrane was used to concentrate and reuse polyethylene glycol(PEG)wastewater.The effects of the type and concentration of draw solution,feed solution concentration,place mode on the concentration performance of PEG wastewater were investigated.Concentration performance of PEG varies with the types of draw solution.The concentration performance of PEG increases significantly with the increase of the concentration of draw solution or the decrease of the concentration of feed solution.The concentration performance of composite FO membrane was better in PRO mode.Compared with commercially available flat sheet FO membrane,composite FO hollow fiber membrane show better performance and application prospects in the concentration of PEG solution.
引文
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[16] CHANUKYA B S,RASTOGI N K.Ultrasound assisted forward osmosis concentration of fruit juice and natural colorant[J].Ultrasonics sonochemistry,2017,34:426-435.
[17] ZHAO S,ZOU L,MULCAHY D.Effects of membrane orientation on process performance in forward osmosis applications[J].Journal of membrane science,2011,382(1):308-315.
[18] 赵亚静.正渗透法浓缩聚乙二醇溶液[D].大连:大连理工大学,2012.(ZHAO Yajing.Performance evaluation of PEG concentration using forward osmosis [D].Dalian:Dalian University of Technology.2012.)
[19] ZHANG S,LIU P,CHEN Y,et al.Preparation of thermally stable composite forward osmosis hollow fiber membranes based on copoly(phthalazinone biphenyl ether sulfone)substrates[J].Chemical engineering science,2017,166:91-100).
[20] SHIBUYA M,YASUKAWA M,MISHIMA S,et al.A thin-film composite-hollow fiber forward osmosis membrane with a polyketone hollow fiber membrane as a support[J].Desalination,2017,402:33-41.
[2] 李涛.多用途聚乙二醇产品的市场和应用[J].石油化工技术与经济,2010,26(2):24-28.(LI Tao.Market and application of multi-purpose polyethylene glycol products[J].Technology and economics in petrochemicals,2010,26(2):24-28.)
[3] 邵平,杨玥.光伏行业聚乙二醇废水处理水解酸化工艺参数研究[J].现代盐化工,2017,44(1):14-15.(SHAO Ping,YANG Yue.Study on hydrolysis acidification process parameters of polyethylene glycol wastewater treatment in photovoltaic industry[J].Modern salt and chemical industry,2017,44(1):14-15.)
[4] 王文昌,王平,顾浩.提高SiC砂在PEG为基础的线切割液中分散稳定性的研究[J].太阳能学报,2014,35(8):1400-1404.(WANG Wenchang,WANG Ping,GU Hao.Improvement study of dispersion stability of SiC in wire cutting fluid based on PEG[J].Acta energiae solaris sinica,2014,35(8):1400-1404.)
[5] 徐志贵,唐智洋,徐兴,等.混凝沉淀/水解酸化/好氧工艺处理聚乙二醇废水工程实例[J].污染防治技术,2015(2):82-84.(XU Zhigui,TANG Zhiyang,XU Xing,et al.A project case of polyethylene glycol wastewater treatment by coagulation sedimentation/ hydrolysis acidification/aerobic process[J].Pollution control technology,2015(2):82-84.)
[6] 王立越.湿式氧化耦合生化法处理含聚乙二醇制药废水的研究[D].苏州:苏州科技大学,2017.(WANG Liyue.Treatment of PEG pharmaceutical wastewater by wet air oxidation and biological method[D].Suzhou:Suzhou University of Science and Technology,2017.)
[7] 张睿,梅凯,孙国亮,等.微电解+UASB+生物接触氧化工艺处理聚乙二醇生产废水[J].西南给排水,2011,6:33-35.(ZHANG Rui,MEI Kai,SUN Guoliang,et al.Microelectrolysis-UASB-contact oxidation proc-ess for treatment of PEG production wastewater[J].Southwest water and wastewater,2011,6:33-35.)
[8] 杨海亮.UASB反应器处理乙二醇废水效能研究[D].苏州:苏州科技学院,2011.(YANG Hailiang.Effectiveness study of treating ethylene glycol wastewater by upflow anaerobic sludge blanket reactor[D].Suzhou:Suzhou University of Science and Technology,2011.)
[9] ZHAO S,ZOU L,TANG C Y,et al.Recent developments in forward osmosis:opportunities and challenges[J].Journal of membrane science,2012,396(1):1-21.
[10] MAZLAN N M,PESHEV D,LIVINGSTON A G.Energy consumption for desalination-a comparison of forward osmosis with reverse osmosis,and the potential for perfect membranes[J].Desalination,2016,377:138-151.
[11] LIU P,ZHANG S,WANG Y,et al.Preparation and characterization of thermally stable copoly(phthalazinone biphenyl ether sulfone)hollow fiber ultrafiltration membranes[J].Applied surface science,2015,335:189-197.
[12] 刘鹏,张守海,王涛,等.杂萘联苯共聚醚砜复合正渗透膜的制备和性能[J].膜科学与技术,2016,36(4):7-13.(LIU Peng,ZHANG Shouhai,WANG Tao,et al.Preparation and performance of copoly(phthalazinone biphenyl ether sulfone)composite forward osmosis membranes[J].Membrane science and technology,2016,36(4):7-13.)
[13] HEO J,CHU K H,HER N,et al.Organic fouling and reverse solute selectivity in forward osmosis:role of working temperature and inorganic draw solutions[J].Desalination,2016,389:162-170.
[14] XU Y,PENG X,TANG C Y,et al.Effect of draw solution concentration and operating conditions on forward osmosis and pressure retarded osmosis performance in a spiral wound module[J].Journal of membrane science,2010,348(1):298-309.
[15] SHIBUYA M,YASUKAWA M,GODA S,et al.Experimental and theoretical study of a forward osmosis hollow fiber membrane module with a cross-wound configuration [J].Journal of membrane science,2016,504:10-19.
[16] CHANUKYA B S,RASTOGI N K.Ultrasound assisted forward osmosis concentration of fruit juice and natural colorant[J].Ultrasonics sonochemistry,2017,34:426-435.
[17] ZHAO S,ZOU L,MULCAHY D.Effects of membrane orientation on process performance in forward osmosis applications[J].Journal of membrane science,2011,382(1):308-315.
[18] 赵亚静.正渗透法浓缩聚乙二醇溶液[D].大连:大连理工大学,2012.(ZHAO Yajing.Performance evaluation of PEG concentration using forward osmosis [D].Dalian:Dalian University of Technology.2012.)
[19] ZHANG S,LIU P,CHEN Y,et al.Preparation of thermally stable composite forward osmosis hollow fiber membranes based on copoly(phthalazinone biphenyl ether sulfone)substrates[J].Chemical engineering science,2017,166:91-100).
[20] SHIBUYA M,YASUKAWA M,MISHIMA S,et al.A thin-film composite-hollow fiber forward osmosis membrane with a polyketone hollow fiber membrane as a support[J].Desalination,2017,402:33-41.