粉末活性炭吸附-硫熏-沉降工艺对糖汁清净的研究
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摘要
研究粉末活性炭吸附-硫熏-沉降工艺对赤砂糖回溶糖浆(糖汁)模拟甘蔗汁的清净效果。考察了各个因素对脱色率、除浊率的影响。结果表明,糖汁清净最佳条件为:活性炭用量0. 20%,磷酸用量340 mg/L,硫熏强度15 g/L,活性炭吸附p H值4. 8,活性炭吸附温度50℃。在此条件下,脱色率与除浊率分别为84. 23%,94. 31%。
The sugar cane juice was simulated by brown granulated sugar and dissolved sugar to studied the sugar clarification decoloring effect of powdered activated carbon adsorption-sulfitation-settling technology. And the effects of various factors on the decolorization rate and turbidity removal rate were investigated. The results shows that the optimum conditions for the purification of sugar juice are 0. 2% activated carbon,340 mg/L phosphoric acid,15 g/L intensity of sulfitation 50 ℃ of activated carbon adsorption temperature and pH 4. 8 of activated carbon adsorption. Under these conditions,the decolorization rate and turbidity rate reached 84. 23% and 94. 31% respectively.
The sugar cane juice was simulated by brown granulated sugar and dissolved sugar to studied the sugar clarification decoloring effect of powdered activated carbon adsorption-sulfitation-settling technology. And the effects of various factors on the decolorization rate and turbidity removal rate were investigated. The results shows that the optimum conditions for the purification of sugar juice are 0. 2% activated carbon,340 mg/L phosphoric acid,15 g/L intensity of sulfitation 50 ℃ of activated carbon adsorption temperature and pH 4. 8 of activated carbon adsorption. Under these conditions,the decolorization rate and turbidity rate reached 84. 23% and 94. 31% respectively.
引文
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[24]吴有炜.试验设计与数据处理[M].苏州:苏州大学出版社,2002.
[25] Saleem M M,SomáA. Design of experiments based factorial design and response surface methodology for MEMS optimization[J]. Microsystem Technologies,2015,21(1):263-276.
[2]姚延志,胡乃仁,刘汉木,等.甘蔗的磷酸亚硫酸法澄清工艺条件的优化[J].甘蔗糖业,2015(1):25-29.
[3]周彩桃,何宁东,薛原.蔗汁弱碱性亚硫酸法澄清技术在糖厂的应用[J].广西糖业,2017(6):29-32.
[4]李锦生,何凤仪.旱地甘蔗的磷酸亚硫酸法清净处理技术的改进研究[J].现代食品科技,2010,26(6):589-593,604.
[5]蓝恒星,廖玉.亚硫酸法澄清工艺技术优化及应用[J].轻工科技,2016,32(7):27-30.
[6] Nguyen D M T,Bartley J P,Doherty W O S. Combined Fenton oxidation and chemical coagulation for the treatment of melanoidin/phenolic acid mixtures and sugar juice[J]. Industrial&Engineering Chemistry Research,2017,56(6):1385-1393.
[7] Gharib-Bibalan S,Keramat J,Hamdami N,et al. Optimization of Fenton oxidation process for the degradation of color precursors in raw sugar beet juice[J]. Sugar Tech,2016,18(3):273-284.
[8] Gharibbibalan S,Keramat J,Hamdami N. Better lime purification of raw sugar beet juice by advanced Fenton oxidation process[J]. Ozone Science&Engineering,2017,40(1128):1-10.
[9] Duan X H,Srinivasakannan C,Qu W W,et al. Regeneration of microwave assisted spent activated carbon:Process optimization,adsorption isotherms and kinetics[J]. Chemical Engineering and Processing,2012,53(1):53-62.
[10] Eggleston G,Lima I,Sarir E,et al. Use of activated carbon to remove undesirable residual amylase from refinery streams[J]. Zuckerindustrie Sugar Industry,2017,142(2):96-103.
[11] Cole M R,Eggleston G,Borges E,et al. How the physical forms of starch affect filter ability at a carbonatation refinery. Part I:Filterability of industrial sugars[J]. International Sugar Journal,2016,118(1407):204-213.
[12] Zhang Z F,Mu G S,Peng J Y,et al. Study on decolorization of sugar cane juice using activated carbons[J]. Advanced Materials Research,2012,529:376-379.
[13] Laksameethanasana P,Somla N,Janprem S,et al. Clarification of sugarcane juice for syrup production[J]. Procedia Engineering,2012,32:141-147.
[14]冯淑娟,李利军,夏兆博,等.改性活性炭对赤砂糖回溶糖浆的吸附性能研究[J].食品工业,2016,37(9):35-41.
[15] Thai C C D,Moghaddam L,Doherty W O S. Calcium phosphate flocs and the clarification of sugar cane juice from whole of crop harvesting[J]. Journal of Agricultural&Food Chemistry,2015,63(5):1573-1578.
[16]黎庆涛,李利军,牛德宝,等.新生亚硫酸钙对糖汁中非糖分的吸附动力学及Zeta电位的研究[J].广西科技大学学报,2014,25(1):27-33.
[17]夏兆博,李利军,冯淑娟,等. Ca SO3强化磷酸法絮凝沉降赤砂糖回溶糖浆工艺的研究[J].食品科技,2016,41(8):84-88.
[18]姚延志,胡乃仁,刘汉木,等.甘蔗的磷酸亚硫酸法澄清工艺条件的优化[J].甘蔗糖业,2015(1):25-29.
[19]李墉,郑长庚.甘蔗制糖化学管理分析方法[M].北京:轻工业出版社,1995.
[20] Dong Y,Li Y,Zhang L,et al. Novel method of ultralow SO2emission for CFB boilers:Combination of limestone injection and activated carbon adsorption[J]. Energy&Fuels,2017,31(10):11481-11488.
[21] Fedor M Kuni,Aleksandr K Shchekin,Alexander P Grinin. Theory of heterogeneous nucleation for vapor undergoing a gradual metastable state formation[J]. Physics-uspekhi,2001,44(4):345-385.
[22] Doherty W O S,Rackemann D W,张建珍.蔗汁澄清中磷酸钙的一些化学作用机理[J].广西蔗糖,2012(4):44-50.
[23] Xue R,Donovan A,Zhang H,et al. Simultaneous removal of ammonia and N-nitrosamine precursors from high ammonia water by zeolite and powdered activated carbon[J]. Journal of Environmental Sciences,2018,64(2):82-91.
[24]吴有炜.试验设计与数据处理[M].苏州:苏州大学出版社,2002.
[25] Saleem M M,SomáA. Design of experiments based factorial design and response surface methodology for MEMS optimization[J]. Microsystem Technologies,2015,21(1):263-276.