气候变化领域集成服务门户(CCPortal): Greenhouse gases emissions from duckweed pond system treating polyester resin wastewater containing 1;4-dioxane and heavy metals

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DOI	10.1016/j.ecoenv.2020.111253
	Greenhouse gases emissions from duckweed pond system treating polyester resin wastewater containing 1;4-dioxane and heavy metals
	Osama R.; Awad H.M.; Zha S.; Meng F.; Tawfik A.
发表日期	2021
ISSN	1476513
卷号	207
英文摘要	Phytoremediation of polyester resin wastewater containing 1,4-dioxane and heavy metals using Lemna gibba (L.gibba) was enhanced by incorporation of perforated polyethylene carrier materials (PCM) onto the duckweed pond (DWP) system. The DWP module was operated at a hydraulic retention times (HRTs) of 2, 4 and 6 days and as well as 1,4-dioxane loading rate of 16, 25 and 48 g/m3.d. The maximum removal efficiency of 54 ± 2.5% was achieved for 1,4-dioxane at an HRT of 6 days and loading rate of 16 g1,4-dioxane/m3.d. Similarly, the DWP system provided removal efficiencies of 28.3 ± 2.1, 93.2 ± 7.6, 95.7 ± 8.9 and 93.6 ± 4.9% for Cd2+, Cu2+, Zn2+ and Ni2+ at influent concentration of 0.037 ± 0.01, 1.2 ± 0.9, 27.2 ± 4.7 and 4.6 ± 1.2 mg/L respectively. The structural analysis by Fourier-transform infrared spectroscopy (FTIR) clearly displayed a reduction of 1,4- dioxane in the treated effluent. A strong peak was detected for L. gibba plants at frequency of 3417.71 cm−1 due to N–H stretching, which confirm the proposed mechanism of partially conversion of 1,4-dioxane into amino acids. Glycine, serine, aspartic, threonine and alanine content were increased in L. gibba by values of 35 ± 2.2, 40 ± 3.2, 48 ± 3.7, 31 ± 2.8, and 56 ± 4.1%, respectively. The contribution of DWP unit as a greenhouse gases (GHG) emissions were relatively low (1.65 gCO2/Kg BODremoved.d., and 18.3 gCO2/Kg biomass.d) due to photosynthesis process, low excess sludge production and consumption of CO2 for nitrification process (1.4 gCO2/kgN removed.d). Based on these results, it is recommended to apply such a technology for treatment of polyester resin wastewater containing 1,4-dioxane and heavy metals at a HRT not exceeding 6 days. © 2020 Elsevier Inc.
英文关键词	Amino acids; Lemna gibba; Metabolite by-products; Phytoremediation; Polyethylene carrier materials
scopus关键词	alanine; aspartic acid; cadmium; carbon dioxide; cupric ion; dioxane; glycine; heavy metal; hydrogen; nickel; polyester resin; resin; serine; threonine; unclassified drug; zinc ion; 1,4-dioxane; dioxane derivative; heavy metal; polyester; aquatic plant; concentration (composition); FTIR spectroscopy; greenhouse gas; heavy metal; polymer; pond; wastewater treatment; Article; chemical analysis; chemical bond; chemical composition; chemical structure; concentration (parameter); controlled study; duckweed pond; experimental study; Fourier transform infrared spectroscopy; greenhouse gas; hydraulic retention time; industrial waste; kinetics; Lemna gibba; nitrification; nonhuman; photosynthesis; phytoremediation; pond; reduction (chemistry); sludge; structural analysis; waste component removal; waste water management; Araceae; biomass; bioremediation; greenhouse gas; procedures; sewage; waste water; Lemna; Lemna gibba; Araceae; Biodegradation, Environmental; Biomass; Dioxanes; Greenhouse Gases; Metals, Heavy; Nitrification; Polyesters; Ponds; Sewage; Waste Disposal, Fluid; Waste Water
来源期刊	Ecotoxicology and Environmental Safety
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/177304
作者单位	Minia University, Faculty of Engineering, Department of Civil Engineering, Minia61111, Egypt; National Research Centre, Dept. Tanning Materials and Leather Technology & Regulatory Toxicology Lab, Centre of Excellence, El-Behouth St., Dokki, 12622, Egypt; Sun Yat-sen University, School of Environmental Science and Engineering, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, 510006, China; National Research Centre, Water Pollution Research Department, El-Behouth St., Dokki, 12622, Egypt
推荐引用方式 GB/T 7714	Osama R.,Awad H.M.,Zha S.,et al. Greenhouse gases emissions from duckweed pond system treating polyester resin wastewater containing 1;4-dioxane and heavy metals[J],2021,207.
APA	Osama R.,Awad H.M.,Zha S.,Meng F.,&Tawfik A..(2021).Greenhouse gases emissions from duckweed pond system treating polyester resin wastewater containing 1;4-dioxane and heavy metals.Ecotoxicology and Environmental Safety,207.
MLA	Osama R.,et al."Greenhouse gases emissions from duckweed pond system treating polyester resin wastewater containing 1;4-dioxane and heavy metals".Ecotoxicology and Environmental Safety 207(2021).