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Aqueous brown carbon formation by aldehyde compounds reaction with Glycine/Ammonium sulfate
Gao, Yan1; Wang, Zhixing2; Li, Yingbo2; Luo, Haiyan2; Zhou, Zhimao2
2021-03-05
Source PublicationSPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
ISSN1386-1425
Volume248Pages:11
AbstractBrown carbon (BrC) can absorb solar radiation in the ultraviolet (UV) and near visible (Vis) regions, which plays an important role in the Earth's radiative balance and global climate. 1,4-dioxane-2,5-diol (DD), glyoxal (GX) and acetaldehyde (AAld) appeared moderate absorbent and fluorescent, when each of them reaction with glycine (Gly)/ammonium sulfate (AS). Combined with the previous experimental studies of the methylglyoxal (MG), GX reaction with GX/AS, novelty conclusions are as following: the absorbance of the reaction products in the same reaction time followed the order: MG-Gly>DD-Gly>GX-Gly>AAldGly, DD-AS>MG-AS>GX-AS>AAld-AS. And for the same aldehyde compound reaction with Gly the reaction rate was faster than with AS. Three-dimensional excitation-emission matrix (EEM) plot showed that, with the increasing of reaction time, red shift of emission peak occurred in MG-Gly/AS and GX-Gly, no shift occurred in DD-Gly/AS and AAld-Gly, and blue shift occurred in GX-AS. The H2O2 oxidation photolysis results showed that the effective H2O2 oxidation photolysis rate constants (k) in the visible region are larger than in UV region for the reaction MG, GX, DD with Gly. But for AAld-Gly system, the k in the visible region is smaller than in the UV region. Besides, the reaction MG, GX, DD, AAld with Gly clearly showed that the presence of abundant organic products by Liquid chromatography/mass spectrometry (LC/MS) analysis. (C) 2020 Elsevier B.V. All rights reserved.
KeywordBrown carbon 1,4-Dioxane-2,5-diol Glyoxal Acetaldehyde Glycine Ammonium sulfate Methylglyoxal
DOI10.1016/j.saa.2020.119230
Language英语
WOS KeywordSECONDARY ORGANIC AEROSOLS ; LIGHT-ABSORPTION CHARACTERISTICS ; EAST-ASIAN OUTFLOW ; OPTICAL-PROPERTIES ; BLACK CARBON ; ATMOSPHERIC AEROSOLS ; WATER ; MATTER ; GLYOXAL ; SPECTROSCOPY
Funding ProjectResearch Funds for High-level Talents of Bengbu University[BBXY2019KYQD04] ; National Natural Science Foundation of China[21978003]
WOS Research AreaSpectroscopy
WOS SubjectSpectroscopy
Funding OrganizationResearch Funds for High-level Talents of Bengbu University ; National Natural Science Foundation of China
WOS IDWOS:000608172100015
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/43267
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Zhixing; Zhou, Zhimao
Affiliation1.Bengbu Univ, Sch Mat & Chem Engn, Bengbu 233030, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Gao, Yan,Wang, Zhixing,Li, Yingbo,et al. Aqueous brown carbon formation by aldehyde compounds reaction with Glycine/Ammonium sulfate[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,2021,248:11.
APA Gao, Yan,Wang, Zhixing,Li, Yingbo,Luo, Haiyan,&Zhou, Zhimao.(2021).Aqueous brown carbon formation by aldehyde compounds reaction with Glycine/Ammonium sulfate.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,248,11.
MLA Gao, Yan,et al."Aqueous brown carbon formation by aldehyde compounds reaction with Glycine/Ammonium sulfate".SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 248(2021):11.
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