Assessing the influence of environmental conditions on secondary organic aerosol formation from a typical biomass burning compound

作     者：Xiaotong Jiang Dantong Liu Li Xu Narcisse T.Tsona Lin Du Xiaotong Jiang;Dantong Liu;Li Xu;Narcisse T.Tsona;Lin Du

作者机构：Environment Research InstituteShandong UniversityQingdao 266237China Department of Atmospheric SciencesSchool of Earth SciencesZhejiang UniversityHangzhou 310027China 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2022年第34卷第4期

页      面：136-148页

核心收录：

学科分类：07[理学] 070602[理学-大气物理学与大气环境] 0706[理学-大气科学] 

基　　金：supported by National Natural Science Foundation of China(No.91644214) Youth Innovation Program of Universities in Shandong Province(No.2019KJD007) Fundamental Research Fund of Shandong University(No.2020QNQT012) 

主　　题：Secondary organic aerosol formation(SOA) 2,5-Dimethylfuran(DMF) Environmental effect Smog chamber SOA yield 

摘      要：The atmospheric chemistry in complex air pollution remains poorly *** order to probe how environmental conditions can impact the secondary organic aerosol(SOA)formation from biomass burning emissions,we investigated the photooxidation of 2,5-dimethylfuran(DMF)under different environmental conditions in a smog *** was found that SO_(2)could promote the formation of SOA and increase the amounts of inorganic salts produced during the *** formation rate of SOA and the corresponding SOA mass concentration increased gradually with the increasing DMF/OH *** addition of(NH_(4))_(2)SO_(4)seed aerosol accelerated the SOA formation rate and significantly shortened the time for the reaction to reach ***,a relatively high illumination intensity promoted the formation of OH radicals and,correspondingly,enhanced the photooxidation of ***,the enhancement of light intensity accelerated the aging of SOA,which led to a gradual decrease of the SOA mass *** work shows that by having varying influence on atmospheric chemical reactions,the same environmental factor can affect SOA formation in different *** present study is helpful for us to better understand atmospheric complex pollution.