大气环境下白卡纸氧化生成甲醇的经验模型
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摘要
以烟用白卡纸为研究对象,通过充氮气,在不同温度下平衡不同时间等方式,考察了大气环境下其氧化生成甲醇的规律;通过甲醇生成随温度和时间的变化规律建立了甲醇生成的经验模型,即:C_(OM)=2.63×10~(-6)·e~(0.0681T)。结果表明,该模型可有效描述大气环境中白卡纸甲醇生成量的变化,与实际检测值之间有很好的相关性(R~2=0.974)。因此,该模型可对白卡纸贮存过程中氧化生成甲醇的状况进行很好的预测,进而为基于贮存和使用条件控制白卡纸甲醇的生成量提供指导。
This work reports on the release patterns of methanol from white cardboard at different simulated storage conditions(e. g.,nitrogen atmosphere,temperature,and time),from which an empirical model of methanol generation was established,i. e.,C_(OM)=2.63×10~(-6)·e~(0.0681T). The results showed that the present model was capable to have a good prediction(R~2= 0. 974) for the amount of methanol generated by oxidization from cardboard at given experimental conditions. Therefore,the model can provide guidance for controlling the methanol generation in the related applications.
This work reports on the release patterns of methanol from white cardboard at different simulated storage conditions(e. g.,nitrogen atmosphere,temperature,and time),from which an empirical model of methanol generation was established,i. e.,C_(OM)=2.63×10~(-6)·e~(0.0681T). The results showed that the present model was capable to have a good prediction(R~2= 0. 974) for the amount of methanol generated by oxidization from cardboard at given experimental conditions. Therefore,the model can provide guidance for controlling the methanol generation in the related applications.
引文
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[18]阳玉琴,胡会超,柴欣生.甲醇在水-纸浆体系中的吸附行为[J].造纸科学与技术,2016,35(5):14-17.
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[23]Li H,Zhan H,Fu S.Rapid Determination of Methanol in Black Liquors by Full Evaporation Headspace Gas Chromatography[J].Journal of Chromatography A,2007,1175(1):133-136.
[24]Li H,Chai X S,De Martini N,et al.Determination of oxalate in black liquor by headspace gas chromatography[J].Journal of Chromatography A,2008,1192(2):208-211.
[25]Chai X S,Luo Q,Zhu J Y.Analysis of non-volatile species in a complex matrix by headspace gas chromatography[J].Journal of Chromatography A,2001,909:249-257.
[26]胡会超.静态顶空分析的新理论、新技术及其在制浆造纸中的应用[D].广州:华南理工大学,2013.
[2]Jain A.Minimum Effluent Mills Symposium Proceedings[M].Atlanta:Tappi Press,1996
[3]黄崇杏,王志伟,王双飞.国内外食品接触纸质包装材料安全法规的现状[J].包装工程,2008,29(9):204-207.
[4]王健健,升吉萍.欧美和我国食品包装材料法规及标准比较分析[J].食品安全质量检测学报,2014,11(5):3548-3552.
[5]European Union.Commission Regulation(EC)NO2023/2006 on good manufacturing practice for materials and articles intended to come into contact with food[Z].2006.
[6]ANON.Code of Federal Regulation[M].Washington DC:Office of the Federal Register National Archives and Records Administration,2006.
[7]Consumer Health Committee.Committee of experts on materials coming into contact food,policy statement concerning,paper and board materials and articles intended to come into contact with food stuffs[Z].Council of Europe,2007.
[8]YC 264-2008,烟用内衬纸[S].2008.
[9]Zhu J Y,Chai X S,Dhasmana B.Formation of volatile organic compounds(VOCs)during pulping[J].Journal of Pulp and Paper Science,1999,25(7):256-263.
[10]Zhu J Y,Yoon S H,Liu P H,et al.Methanol formation during alkaline wood pulping[J].Tappi Journal,2000,83(7):1-13.
[11]Yoon S H,Chai X S,Zhu J Y,et al.In-digester demethylation kinetics for VOC/TRS formation during the kraft pulping of Loblolly Pine[J].Journal of Industrial and Engineering Chemistry,2003,9(2):125-133.
[12]张春云,胡会超,柴欣生.速生桉木硫酸盐法蒸煮中液比对甲醇生成的影响[J].造纸科学与技术,2011,30(3):16-18.
[13]张春云,胡会超,柴欣生.速生桉木硫酸盐浆氧脱木素过程中甲醇生成的动力学模型[J].中国造纸,2012,31(8):18-22.
[14]Chai X S,Zhu J Y.Indirect headspace gas chromatographic method for vapor-liquid phase equilibrium[J].Journal of Chromatography A,1998,799:207-214.
[15]Gupta A K,Teja A S,Chai X S,et al.Henry's constant of n-alkanols(methanol through n-hexanol)in water at temperatures between 40℃and 90℃[J].Fluid Phase Equilibria,2000,170:183-192.
[16]Teja A S,Gupta A K,Bullock K,et al.Henry's constant of methanol in aqueous system containing salt[J].Fluid Phase Equilibria,2001,185:265-274.
[17]Chai X S,Falabella J B,Teja A S.A relative headspace method for Henry's constants of volatile organic compounds[J].Fluid Phase Equilibria,2005,231:239-245.
[18]阳玉琴,胡会超,柴欣生.甲醇在水-纸浆体系中的吸附行为[J].造纸科学与技术,2016,35(5):14-17.
[19]谭维蕊.BCTMP纸页中甲醇的释放规律及控制方法研究[D].广州:华南理工大学,2015.
[20]詹怀宇.制浆原理与工程[M].北京:中国轻工业出版社,2011:322.
[21]YC/T207-2014,卷烟条与盒包装纸中挥发性有机化合物的测定顶空-气相色谱法[S].2014
[22]Hu H C,Jin H J,Chai X S.Rapid determination of hydrogen peroxide in pulp bleaching effluents by headspace gas chromatography[J].Journal of Chromatography A,2012,1235:182-184.
[23]Li H,Zhan H,Fu S.Rapid Determination of Methanol in Black Liquors by Full Evaporation Headspace Gas Chromatography[J].Journal of Chromatography A,2007,1175(1):133-136.
[24]Li H,Chai X S,De Martini N,et al.Determination of oxalate in black liquor by headspace gas chromatography[J].Journal of Chromatography A,2008,1192(2):208-211.
[25]Chai X S,Luo Q,Zhu J Y.Analysis of non-volatile species in a complex matrix by headspace gas chromatography[J].Journal of Chromatography A,2001,909:249-257.
[26]胡会超.静态顶空分析的新理论、新技术及其在制浆造纸中的应用[D].广州:华南理工大学,2013.