Study on purification of organophosphorus flame retardants by integrated vertical-flow constructed wetlands
GAO Yu-shan1,2, WANG Huan-hua2, XU Shi-rong1, LU Shao-yong2, LIU Tao2,3, QIN Pan2
1. College of Civil Engineering, Hunan University, Changsha 410082, China; 2. Chinese Research Academy of Environmental Sciences, State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Beijing 100012, China; 3. Guangdong Provincial Transportation Planning and Design Institute Co., Ltd, Guangzhou 510507, China
Abstract:It is urgent to explore the efficient treatment methods to purify organophosphorus flame retardant (OPFRs) wastewater. integrated vertical-flow constructed wetlands (IVCWs) was built, the influence of varied operating conditions of inlet water, C/N ratio and aeration on the removal efficiency of TCPP was investigated, and the migration behaviors of TCPP in each medium of the wetland system was observed to gain insights into the relevant mechanism. The results showed that there were significant differences in the removal of TCPP among different operating conditions. Compared with the removal rate of TCPP (52.28%±11.64%) when the inlet water C/N=3, increasing C/N ratio, aeration value and the two factors combined can increase the removal rate to (68.77%±2.49%), (57.21%±1.76%) and (89.64%±1.94%). By analyzing the cumulative amount of each phase in the system, it was found that the accumulation of TCPP in plants (0.09%) and substrate (3.30%) was limited. The concentration of TCPP in igneous rock (162.39~435.01ng/g dw) and zeolite (131.67~407.74ng/g dw) was significantly higher than that in soil (32.63~149.94ng/g dw). In plants, compared with Acorus calamus (432.95ng/g dw) and Typhae latifolia(665.21ng/g dw), Cyperus alternifolius(1288.82ng/g dw) was more likely to accumulate TCPP. TCPP was mainly concentrated in the roots of different plants and tends to transfer to leaves. Exploring the removal potential and migration behavior of IVCWs for TCPP has positive significance to mitigate OPFRs pollution.
高玉珊, 王焕华, 许仕荣, 卢少勇, 刘涛, 秦攀. 复合垂直流人工湿地对有机磷阻燃剂的净化[J]. 中国环境科学, 2020, 40(7): 3003-3009.
GAO Yu-shan, WANG Huan-hua, XU Shi-rong, LU Shao-yong, LIU Tao, QIN Pan. Study on purification of organophosphorus flame retardants by integrated vertical-flow constructed wetlands. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(7): 3003-3009.
Sühring R, Diamond M L, Scheringer M, et al. Organophosphate esters in Canadian Arctic air:occurrence, levels and trends[J]. Environmental Science & Technology, 2016,50(14):7409-7415.
[2]
Liu Y, Song N, Guo R, et al. Occurrence and partitioning behavior of organophosphate esters in surface water and sediment of a shallow Chinese freshwater lake (Taihu Lake):Implication for eco-toxicity risk[J]. Chemosphere, 2018,202:255-263.
[3]
Marklund A, Andersson B, Haglund P. Organophosphorus flame retardants and plasticizers in Swedish sewage treatment plants[J]. Environmental Science & Technology, 2005,39(19):7423-7429.
[4]
Anneli M, Barbro A, Peter H. Organophosphorus flame retardants and plasticizers in Swedish sewage treatment plants[J]. Environmental Science & Technology, 2005,39(19):7423-7429.
[5]
Meyer J, Bester K. Organophosphate flame retardants and plasticisers in wastewater treatment plants[J]. Journal of Environmental Monitoring, 2004,6(7):599-605.
[6]
Heberer T, Feldmann D, Reddersen K. Production of drinking water from highly contaminated surface waters:removal of organic, inorganic, and microbial contaminants applying mobile membrane filtration units[J]. Acta hydrochimica et hydrobiologica, 2002,30(1):24-33.
[7]
Deng M J, Kuo D T F, Wu Q H, et al. Organophosphorus flame retardants and heavy metals in municipal landfill leachate treatment system in Guangzhou, China[J]. Environmental pollution, 2018,236:137-145.
[8]
Li C, Wei G L, Chen J W, et al. Aqueous OH radical reaction rate constants for organophosphorus flame retardants and plasticizers:Experimental and modeling studies[J]. Environmental science & technology, 2018,52(5):2790-2799.
[9]
Hu H, Zhang H, Chen Y, et al. Enhanced photocatalysis degradation of organophosphorus flame retardant using MIL-101(Fe)/persulfate:effect of irradiation wavelength and real water matrixes[J]. Chemical Engineering Journal, 2019,368:273-284.
[10]
Tang T, Lu G, Wang R, et al. Rate constants for the reaction of hydroxyl and sulfate radicals with organophosphorus esters (OPEs) determined by competition method[J]. Ecotoxicology and Environmental Safety, 2019,170:300-305.
[11]
Wang W, Deng S, Li D, et al. Sorption behavior and mechanism of organophosphate flame retardants on activated carbons[J]. Chemical Engineering Journal, 2018,332:286-292.
[12]
Yan W, Yan L, Duan J, et al. Sorption of organophosphate esters by carbon nanotubes[J]. Journal of Hazardous Materials, 2014,273:53-60.
[13]
Vymazal J, Březinová T. The use of constructed wetlands for removal of pesticides from agricultural runoff and drainage:a review[J]. Environment international, 2015,75:11-20.
[14]
Hussain S A, Prasher S O, Patel R M. Removal of ionophoric antibiotics in free water surface constructed wetlands[J]. Ecological Engineering, 2012,41:13-21.
[15]
Cottin N, Merlin G. Removal of PAHs from laboratory columns simulating the humus upper layer of vertical flow constructed wetlands[J]. Chemosphere, 2008,73(5):711-716.
[16]
Lorenzo M, Campo J, Picó Y. Determination of organophosphate flame retardants in soil and fish using ultrasound-assisted extraction, solid-phase clean-up and liquid chromatography with tandem mass spectrometry[J]. Journal of Separation Science, 2018,41(12):2595-2603.
[17]
Liu T, Xu S R, Lu S Y, et al. A review on removal of organophosphorus pesticides in constructed wetland:Performance, mechanism and influencing factors[J]. Science of The Total Environment, 2019,651:2247-2268.
[18]
Su G, Letcher R J, Yu H. Organophosphate flame retardants and plasticizers in aqueous solution:pH-dependent hydrolysis, kinetics and pathways[J]. Environmental Science & Technology, 2016,50(15):8103-8111.
[19]
Ilyas H, Masih I. The performance of the intensified constructed wetlands for organic matter and nitrogen removal:A review[J]. Journal of Environmental Management, 2017,198:372-383.
[20]
陶敏,贺锋,胡晗,等.碳氧调控下人工湿地净化效果的协同与拮抗研究[J]. 中国环境科学, 2015,35(12):3646-3652. Tao M, He F, Hu H, et al. Synergistic and antagonistic effect of treatment performance of constructed wetlands under artificial aeration and external carbon source[J]. China Environmental Science, 2015, 35(12):3646-3652.
[21]
Blankenberg A G B, Haarstad K, Braskerud B C. Pesticide retention in an experimental wetland treating non-point source pollution from agriculture runoff[J]. Water Science & Technology A Journal of the International Association on Water Pollution Research, 2007,55(3):37-44.
[22]
高鹏,牛一帆,任欣,等.滇池泥炭土对两种抗生素和双酚A的吸附[J]. 中国环境科学, 2019,39(10):4239-4246. Gao P, Niu Y F, Ren X, et al. Adsorption of two antibiotics and bisphenol A on Dianchi peat[J]. China Environmental Science, 2019,39(10):4239-4246.
[23]
Li Y, Sallach J B, Zhang W, et al. Insight into the distribution of pharmaceuticals in soil-water-plant systems[J]. Water research, 2019,152:38-46.
[24]
Wang Q, Liu Q, Hu Y, et al. Effect of carbon source derived from macrophytes on microbial denitrification in constructed wetlands:Role of plant species[J]. Bioresource Technology Reports, 2019,7:100217.
[25]
Wang C, Liu B, Xu D, et al. Mitigation of Wastewater-Borne Chlorpyrifos in Constructed Wetlands:the Role of Vegetation on Partitioning[J]. Polish Journal of Environmental Studies, 2017,26(1):347-354.
[26]
Lee K Y, Strand S E, Doty S L. Phytoremediation of chlorpyrifos by Populus and Salix[J]. International Journal of Phytoremediation, 2012,14(1):48-61.
[27]
Moore M T, Kröger R, Cooper C M, et al. Diazinon reduction and partitioning between water, sediment and vegetation in stormwater runoff mitigation through rice fields[J]. Pest Management Science, 2009,65(11):1182-1188.
[28]
侯兴旺,刘稷燕,江桂斌.典型卤代有机污染物在植物体内的代谢过程[J]. 中国科学:化学, 2018,48(10):1236-1246. Hou X W, Liu J Y, Jiang G B. Metabolism of typical halogenated organic pollutants in plants[J]. Scientia Sinica Chimica, 2018,48(10):1236-1246.
[29]
Xia H, Lianghuan W U, Tao Q. Phytoremediation of methyl parathion by water hyacinth (eichhornia crassipes solms)[J]. Acta Scientiae Circumstantiae, 2002,22(3):329-332.