碱性离子液体有效去除烟梗中木质素的研究
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摘要
制备碱性离子液体[Mmim]DMP,将其作为溶剂,以微波辐射为加热源,研究其对造纸法再造烟叶原料烟梗中木质素的去除效果.建立了快速、准确的液相木质素紫外分光光度定量分析方法,通过正交实验确定了碱性离子液体有效去除烟梗中木质素的最佳工艺:浸渍温度80℃,浸渍时间25min,浸渍料液比1∶15.在此工艺条件下,烟梗木质素的去除率达到22.60%,其溶解去除率约为常规热水提取的5倍.烟梗经离子液体处理后,纤维间的填充物大量脱除,纤维轮廓更清晰,有利于后续原料打浆及烟气品质控制.
Making alkaline ionic liquid[Mmim]DMP and using it as solvent by microwave heating,the effective removal of lignin in tobacco stems of reconstituted tobacco was studied.A rapid and accurate method for quantitative determination of liquid lignin by using UV spectrometry was established.The optimum technology for the removal of lignin in tobacco stems with the ionic liquids was determined by orthogonal experiment as follows:a maceration temperature of 80℃,a maceration time of 25 min and a solid/liquid ratio of 1∶15.In this process,the removal rate of lignin was 22.60%.The removal rate was about 5 times of that of water extraction.After extraction of tobacco stems by using ionic liquids,the fillers of fiber were removed heavily and the fiber profile was clearer,which were conducive to the pulping of the subsequent raw materials and the control of smoke quality.
Making alkaline ionic liquid[Mmim]DMP and using it as solvent by microwave heating,the effective removal of lignin in tobacco stems of reconstituted tobacco was studied.A rapid and accurate method for quantitative determination of liquid lignin by using UV spectrometry was established.The optimum technology for the removal of lignin in tobacco stems with the ionic liquids was determined by orthogonal experiment as follows:a maceration temperature of 80℃,a maceration time of 25 min and a solid/liquid ratio of 1∶15.In this process,the removal rate of lignin was 22.60%.The removal rate was about 5 times of that of water extraction.After extraction of tobacco stems by using ionic liquids,the fillers of fiber were removed heavily and the fiber profile was clearer,which were conducive to the pulping of the subsequent raw materials and the control of smoke quality.
引文
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[16]李汝雄.绿色溶剂-离子液体的合成与应用[M].北京:化学工业出版社,2004:24-29.LI Ruxiong.Synthesis and application of green solvent ionic liquid[M].Beijing:Chemical Industry Press,2004:24-29.(In Chinese)
[17]许俊鑫,李友明,侯轶.紫外分光光度法快速测定[Mmim]DMP离子液体纯度的研究[J].中国造纸,2014,33(11):33-37.XU Junxin,LI Youming,HOU Yi.Determination of the purity of[Mmim]DMP ionic liquid rapidly by utilizing ultraviolet spectrophotometry[J].China Pulp and Paper,2014,33(11):33-37.(In Chinese)
[18]郑永杰,马林,寇霄腾,等.高沸醇溶剂法提取烟梗中木质素的研究[J].郑州轻工业学院学报:自然科学版,2012,27(5):51-54.ZHENG Yongjie,MA Lin,KOU Xiaoteng,et al.Extraction of lignin from tobacco stem with high boiling solvent[J].Journal of Zhengzhou University of Light Industry:Natural Science Edition,2012,27(5):51-54.(In Chinese).
[19]GUO Jingbo,TAO Zongya,LUO Xuegang.Analysis of bamboo lignin with FTIR and XPS[J].Acta Chimica Sinica,2005,63(16):1536-1540.
[20]刘晓峰,李友明,侯轶,等.烟梗、烟末和烟棒的纤维特性[J].烟草科技,2014(6):8-14.LIU Xiaofeng,LI Youming,HOU Yi,et al.Fiber properties of tobacco stems,power and rods[J].Tobacco Science&Technology,2014(6):8-14.(In Chinese)
[2]韩文佳,赵传山.造纸法烟草薄片发展现状[J].黑龙江造纸,2007(4):47-49.HAN Wenjia,ZHAO Chuanshan.Development status of tobacco sheet in papermaking process[J].Heilongjiang Pulp&Paper,2007(4):47-49.(In Chinese)
[3]缪应菊,刘维涓,刘刚,等.烟草薄片制备工艺的现状[J].中国造纸,2009,28(7):55-60.MIAO Yingju,LIU Weijuan,LIU Gang,et al.Present status of preparation technology of reconstituted tobacco[J].China Pulp and Paper,2009,28(7):55-60.(In Chinese).
[4]孙霞,苏文强.造纸法烟草薄片提取技术研究[J].湖北造纸,2010,2:13-15.SUN Xia,SU Wenqiang.Study on the extraction technology of tobacco thin slices[J].Hubei Paper Making,2010(2):13-15.(In Chinese)
[5]WANG Huawen.The effect analysis of paper process reconstituted tobacco using in cigarette[J].Tobacco Science&Technology,2000(8):15-17.
[6]侯轶,李友明,李启明,等.乙醇水溶液提取烟草废弃物的研究[J].烟草科技,2013(11):56-60.HOU Yi,LI Youming,LI Qiming,et al.Study on the extraction of tobacco waste by ethanol aqueous solution[J].Tobacco Science&Technology,2013(11)56-60.(In Chinese)
[7]刘志昌,毛耀,王磊,等.烟梗中木素的结构分析[J].中国造纸,2014,33(1):31-33.LIU Zhichang,MAO Yao,WANG Lei,et al.Study on the structure of MWL of tobacco stem[J].China Pulp and Paper,2014,33(1):31-33.(In Chinese)
[8]臧亚楠,孔宁川,李地艳,等.烟草木质素的研究概况[J].云南农业大学学报,2015,30(5):822-828.ZANG Yanan,KONG Ningchuan,LI Diyan,et al.Advanced researches on lignin of tobacco[J].Journal of Yunnan Agricultural University,2015,30(5):822-828.(In Chinese)
[9]陈清,刘巍,钟科军.基于烟草中致香成分的人工神经网络分类模型[J].湖南大学学报:自然科学版,2006,33(2):103-104.CHEN Qing,LIU Wei,ZHONG Kejun.A neural network recognition model based on aroma components in tobacco[J].Journal of Hunan University:Natural Sciences,2006,33(2):103-104.(In Chinese)
[10]陈洪,许平,马清仪,等.微生物酶法降解烟草总植物碱试验[J].烟草科技,2004(4):12-16.CHEN Hong,XU Ping,MA Qingyi,et al.Experiment on degradation of nicotine in tobacco leaves with microorganism enzymes isolated from tobaccos[J].Tobacco Science&Technology,2004(4):12-16.(In Chinese)
[11]赵铭钦,李晓强.烟叶微生物发酵机理及生物制剂应用研究进展[J].甘肃农业大学学报,2007,42(6):84-91.ZHAO Mingqin,LI Xiaoqiang.Review of the action mechanisms of microbe in tobacco fermentation and application of biologic preparation[J].Journal of Gansu Agricultural University,2007,42(6):84-91.(In Chinese)
[12]王仁佑,刘剑潇,黄红丽,等.鼠李糖脂对两株木质素降解菌产酶能力的影响[J].湖南大学学报:自然科学版,2008,35(10):70-74.WANG Renyou,LIU Jianxiao,HUANG Hongli,et al.Effect of rhamnolipid on the enzyme production of two special of ligin-degrading fungi[J].Journal of Hunan University:Natural Sciences,2008,35(10):70-74.(In Chinese)
[13]孙先玉,孙博,李冬玲,等.造纸法再造烟叶加工技术研究进展[J].生物质化学工程,2011,45(6):49-56.SUN Xianyu,SUN Bo,LI Dongling,et al.Research progress on processing technologies of reconstituted tobacco[J].Biomass Chemical Engineering,2011,45(6):49-56.(In Chinese)
[14]王小飞,常岭,王相凡,等.造纸法再造烟叶原料烟梗木质素的弱碱脱除研究[J].食品工业,2013,34(9):10-12.WANG Xiaofei,CHANG Ling,WANG Xiangfan,et al.Alkali removal of raw tobacco tobacco stalk lignin reconstituted[J].The Food Industry,2013,34(9):10-12.(In Chinese)
[15]PU Yunqiao,JIANG Nan,ARTHUR J R.Ionic liquid as a green solvent for lignin[J].Journal of Wood Chemistry and Technology,2007,27(1):23-33.
[16]李汝雄.绿色溶剂-离子液体的合成与应用[M].北京:化学工业出版社,2004:24-29.LI Ruxiong.Synthesis and application of green solvent ionic liquid[M].Beijing:Chemical Industry Press,2004:24-29.(In Chinese)
[17]许俊鑫,李友明,侯轶.紫外分光光度法快速测定[Mmim]DMP离子液体纯度的研究[J].中国造纸,2014,33(11):33-37.XU Junxin,LI Youming,HOU Yi.Determination of the purity of[Mmim]DMP ionic liquid rapidly by utilizing ultraviolet spectrophotometry[J].China Pulp and Paper,2014,33(11):33-37.(In Chinese)
[18]郑永杰,马林,寇霄腾,等.高沸醇溶剂法提取烟梗中木质素的研究[J].郑州轻工业学院学报:自然科学版,2012,27(5):51-54.ZHENG Yongjie,MA Lin,KOU Xiaoteng,et al.Extraction of lignin from tobacco stem with high boiling solvent[J].Journal of Zhengzhou University of Light Industry:Natural Science Edition,2012,27(5):51-54.(In Chinese).
[19]GUO Jingbo,TAO Zongya,LUO Xuegang.Analysis of bamboo lignin with FTIR and XPS[J].Acta Chimica Sinica,2005,63(16):1536-1540.
[20]刘晓峰,李友明,侯轶,等.烟梗、烟末和烟棒的纤维特性[J].烟草科技,2014(6):8-14.LIU Xiaofeng,LI Youming,HOU Yi,et al.Fiber properties of tobacco stems,power and rods[J].Tobacco Science&Technology,2014(6):8-14.(In Chinese)