褐煤Schizophyllum commune液化产物的萃取分离研究  

Study on Extraction Separation of Liquefaction Products from Lignite Schizophyllum commune Degradation

作　　者：吴正花 卯明勤 马从菊 郑丽丽 石开仪 WU Zhenghua;MAO Mingqin;MA Congju;ZHENG Lili;SHI Kaiyi(College of Biological Science and Agriculture,Qiannan Normal University for Nationalities,Duyun Guizhou 558000,China;School of Chemistry and Chemical Engineering,Qiannan Normal University for Nationalities,Duyun Guizhou 558000,China)

机构地区：[1]黔南民族师范学院生物科学与农学院,贵州都匀558000 [2]黔南民族师范学院化学化工学院,贵州都匀558000

出　　处：《当代化工》2024年第11期2535-2539,共5页Contemporary Chemical Industry

基　　金：国家自然科学基金项目(项目编号:52164023);黔南民族师范学院高层次人才项目(项目编号:2021qnsyrc10);贵州省高等学校工程研究中心项目(项目编号:黔教技[2023]046)。

摘　　要：为解决褐煤微生物液化产物成分不清楚、组成多样复杂问题,以昭通褐煤为研究对象,利用白腐真菌Schizophyllum commune对昭通氧化煤进行液化,并利用苯、正丁醇、四氢呋喃、乙酸乙酯、乙酸、甲醇对液化产物进行萃取分离,获得的萃取液进行红外光谱、气相色谱-质谱分析。结果表明:苯萃取液中4-羟基丁酸质量分数最高,为41.60%;正丁醇萃取液中异丁酸异丁酯和丁酸己酯质量分数最高,合计为53.34%;乙酸乙酯萃取液中4,6-二(1,1-二甲基乙基)-2-甲基苯酚质量分数最高,为40.49%,其次是含2~3个取代基的取代苯,合计为38.63%。萃取分离能将液化产物进行相对分离与提浓,为液化产物的应用奠定了技术基础。In order to solve the problem of unclear and complex composition of microbial liquefaction products of lignite,Zhaotong lignite was taken as the research object,white rot fungus Schizophyllum commune was utilized to liquefy Zhaotong oxidized coal,and the liquefaction products were extracted using benzene,n-butanol,tetrahydrofuran,ethyl acetate,acetic acid,and methanol.The obtained extraction solution was analyzed by infrared spectroscopy,gas chromatography-mass spectrometry.The results showed that the highest mass fraction of 4-hydroxy-butanoic acid was found in the benzene extraction solution,accounting for 41.60%;the mass fraction of propanoic acid,2-methyl-,2-methylpropyl ester and butanoic acid hexyl ester in the n-butanol extraction solution was the highest,accounting for 53.34%;the mass fraction of 4,6-di(1,1-dimethylethyl)-2-methyl-phenol in the ethyl acetate extraction solution was the highest,accounting for 40.49%,followed by substituted benzene containing 2~3 substituents,accounting for a total of 38.63%.Extraction separation could relatively separate and concentrate liquefied products,laying a technical foundation for application of liquefied products.

关 键 词：褐煤 Schizophyllum commune 液化产物 萃取 

分 类 号：TQ028.3[化学工程]