用三烷基混合叔胺(N235)-正辛醇-磺化煤油从菜籽粕酸脱毒废液中萃取植酸,研究了水相pH值、植酸浓度、N235浓度对植酸分配比的影响. 确定萃取植酸的最佳条件为:初始pH=3.0、N235的浓度0.17 mol/L、正辛醇浓度0.48 mol/L、相比R为5:1、萃取时间5 min,对0.02 mol/L标准植酸溶液的萃取率为95.2%. 以0.25 mol/L NaOH溶液为反萃取剂,在相比5:2下反萃取5 min,三级反萃取总收率达到82.6%. 实验证明加入正辛醇可提高N235萃取植酸的分配比,可能与正辛醇和N235形成"分子簇"结构产生协同萃取有关.
参考文献
| [1] | LI Jian-Xiu(李健秀),WANG Jian-Gang(王建刚),WANG Wen-Tao(王文涛).Chem Ind Eng Prog(化工进展)[J],2006,25(6):629 |
| [2] | Liu G,Yang L,Yu F,Tian J,Duo S,Du N.Key Eng Mater[J],2008,373:228 |
| [3] | Abulkalam M S.Int J Food Sci Technol[J],2002,37:769 |
| [4] | ZHAO Li-Chun(肇立春).Chinese Cereals Oils Assoc(中国粮油学报)[J],2007,22(2):68 |
| [5] | Schwab A P,Su J,Wetzel S,Pekarek S,Banks M K.Environ Sci Technol[J],1999,33(11):1940 |
| [6] | Rashid T.Petro Sci Technol[J],2008,26(17):2078 |
| [7] | Archana Agrawal,Manoja M K,Kumaria S,Bagchia D,Kumara V,Pandeya B D.Miner Eng[J],2008,21(15):1126 |
| [8] | Zhou X H,Dong L C,Li D H.J Chem Technol Biotechnol[J],2008,83:1413 |
| [9] | Zhou X H,Weng Y J.Chinese J Chem Eng[J],2006,14:408 |
| [10] | ZHOU Xiao-Hua(周小华),WANG Dong(王东),ZHENG Shen-Sheng(郑申声).Chinese J Appl Chem(应用化学)[J],2009,26(9):1088 |
| [11] | YANG Sheng-Kun(杨盛坤),TAN Hu(谭虎),YAO Pei(姚斐),ZHANG Guan-Yong(张关永).J East China Univ Sci Technol(华东理工大学学报(自然科学版))[J],2005,31(4):535 |
| [12] | YANG Dong(杨冬),LIN Cheng-Zhi(林承志),AN Li-Jia(安利佳),ZHOU Chun-Fang(周春芳),CHEN Lian-Shan(陈连山).Chinese J Spectrosc Lab(光谱实验室)[J],1999,16(4):378 |
| [13] | WU Xue-Fen(武雪芬),LI Yu-Xian(李玉贤),LI Gui-Lan(李桂兰).Henan Sci(河南科学)[J],1996,14(1):50 |
| [14] | XIE Jing-Xi(谢晶曦),CHANG Jun-Biao(常俊标),WANG Xu-Ming(王绪明).Application of IR Spectrosocpy in Organic Chemistry and Medicinal Chemistry(红外光谱在有机化学和药物化学中的应用)[M].Beijing(北京):Science Press(科学出版社),2001:355 |
| [15] | YUAN Jun-Jie(袁俊杰),ZANG Jian-Shi(臧剑士),HU Peng(胡芃),QU Qing-Zhang(曲庆章).China Food Addit(中国食品添加剂)[J],1999,(1):34 |
| [16] | Hong Z.[Doctoral Dissertation].Virginia:Virginia Polytechnic Institute and State University,1998 |
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