大孔树脂对青鱼鱼糜漂洗水的吸附热力学研究
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摘要
探讨大孔树脂对青鱼鱼糜漂洗水的吸附热力学机理。试验结果表明:HP20型大孔树脂吸附的最佳工艺条件为离子强度为150 mmol/L,pH值为5,温度为35℃。其吸附平衡规律符合Freundlich吸附等温方程,伴随着温度的升高,平衡吸附系数增加且吸附焓恒大于零,表明该吸附属于吸热过程;特征常数大于1且吸附自由能小于零表明该吸附属于自发过程。
Adsorption thermodynamics of macroporous resin about rinse water of black carp surimi was studied.The results indicated that the best adsorption conditions of HP20 macroporous resin were ionic strength150 mmol/L,pH 5,temperature 35 ℃. The adsorption equilibrium was consistent with Freundlich isothermal adsorption equation. With the rising of temperature,the equilibrium adsorption coefficient increased and the adsorption enthalpy was always greater than zero.So the adsorption belonged to an endothermic process.The characteristic constant was greater than 1 and the free energy of adsorption was less than zero which indicated that the adsorption was a spontaneous process.
Adsorption thermodynamics of macroporous resin about rinse water of black carp surimi was studied.The results indicated that the best adsorption conditions of HP20 macroporous resin were ionic strength150 mmol/L,pH 5,temperature 35 ℃. The adsorption equilibrium was consistent with Freundlich isothermal adsorption equation. With the rising of temperature,the equilibrium adsorption coefficient increased and the adsorption enthalpy was always greater than zero.So the adsorption belonged to an endothermic process.The characteristic constant was greater than 1 and the free energy of adsorption was less than zero which indicated that the adsorption was a spontaneous process.
引文
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[20]薛超,轶梁鹏,钟机.壳聚糖回收鱼糜漂洗液中蛋白质效果的研究[J].食品研究与开发,2016,37(21):106-109
[2]施亚芳.鱼糜漂洗水中鱼蛋白的提取研究[J].饲料工业,2010,31(16):38-41
[3]Sun YuanYuan,Xiao QingGui,Tang HaiYan.Adsorption of Red Pigment from Schisandra chinensis Extract Liquor[J].Journal of Food Process Engineering,2017,40(3):20-23
[4]Wu YuanFen,Lei Zhang,Mao JianWei.Kinetic and thermodynamic studies of sulforaphane adsorption on macroporous resin[J].Journal of Chromatography B-analytical Technologies in the Biomedical and Life Sciences,2016,1028(20):231-236
[5]张玉,杨文鸽.鱼糜漂洗水中可溶蛋白的回收技术[J].宁波大学学报(理工版),2015,28(1):25-29
[6]邵明栓,陆剑锋,林琳,等.白鲢鱼糜漂洗液中蛋白质的回收再利用[J].食品工业科技,2011,32(4):78-84
[7]苏玉萍,王清华,寻延滨,等.大孔吸附树脂的应用研究[J].黑龙江医药,2012,25(6):850-852
[8]付杰,李燕虎,叶长燊,等.DMF在大孔吸附树脂上的吸附热力学及动力学研究[J].环境科学学报,2012,32(3):639-644
[9]王玥,杜守颖,徐冰.大孔树脂吸附芍药苷的吸附热力学研究[J].北京中医药大学学报,2013,34(8):556-559
[10]S Lagergren.Zur Theorie der Sogenannten Adsorption Geloster Stoffe[J].Kungliga Svensk Vetenskapsaka-demiens,Handlingar,2015,24(1):1-39
[11]N Kannan,M M Sundaram.Kinetics and Mechanismof Removal of Methylene Blue by Adsorption onVarious Carbons-A Comparative Study[J].Dyes and Pigments,2016,54(1):25-40
[12]胡秋辉,张国文.食品分析[M].北京:中国农业出版社,2017:88-89
[13]王永华.食品分析(第三版)[M].3版.北京:轻工业出版社,2017:190
[14]杨建军,马晓迅,王贵军.大孔树脂吸附固定化脂肪酶机理研究[J].西北大学学报,2012,39(2):241-245
[15]徐律,杨金生,丁迎燕.鱼糜漂洗水中鱼蛋白的提取研究[J].饲料工业,2013,31(16):38-41
[16]赵文娟,宋扬,杨洪江.大孔吸附树脂纯化黑果枸杞中的原花青素[J].食品工业科技,2017,38(21):189-194
[17]王艳丽,许惠芳,郭瑜,等.大孔树脂纯化酸浆果实多酚及其生物活性研究[J].食品研究与开发,2018,39(2):13-20
[18]吴正奇,李佳文,石勇.淡水鱼糜漂洗水中水溶性蛋白质回收的研究[J].食品工业,2012,32(1):81-84
[19]吴靖娜,杨叶辉,王茵,等.氯化铁法回收鱼糜漂洗液中水溶性蛋白质的研究[J].渔业现代化,2013,40(1):63-67
[20]薛超,轶梁鹏,钟机.壳聚糖回收鱼糜漂洗液中蛋白质效果的研究[J].食品研究与开发,2016,37(21):106-109