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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2020-04-16 19:54:26
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第48卷第6期2019年6月应用化工AppliedChemicalIndustryVol.48No.6Jun.2019收稿日期:20180819修改稿日期:20181109基金项目:国家自然科学基金项目资助(31560466)作者简介:李慰霞(1991-),男,湖南湘潭人,广西科技大学在读硕士研究生,师从李利军教授,研究方向为应用化学。电话:15526134063,E-mail:306317027@qq.com通讯联系人:李利军(1966-),男,博士,教授,主要从事生化过程检测与控制以及应用化学方面研究。E-mail:lilijun0562@sina.com粉末活性炭吸附硫熏沉降工艺对糖汁清净的研究李慰霞1,2,3,4,李利军1,2,3,4,孔红星1,2,3,4,杨岚风1,2,3,4,毛祥1,2,3,4,程昊1,2,3,4(1.广西科技大学生物与化学工程学院,广西柳州545006;2.广西糖资源绿色加工重点实验室(广西科技大学),广西柳州545006;3.广西蔗糖产业协同创新中心,广西南宁530004;4.广西高校糖资源加工重点实验室(广西科技大学),广西柳州545006)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340mg/L,硫熏强度15g/L,活性炭吸附pH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%。关键词:糖汁清净;粉末活性炭吸附硫熏沉降工艺;絮凝沉降;响应面分析中图分类号:TQ464.1;TQ03文献标识码:A文章编号:1671-3206(2019)06-1295-06StudyonsugarjuiceclarificationbyadsorptionsulfitationsettlingtechnologyofpowderedactivatedcarbonLIWeixia1,2,3,4,LILijun1,2,3,4,KONGHongxing1,2,3,4,YANGLanfeng1,2,3,4,MAOXiang1,2,3,4,CHENGHao1,2,3,4(1.CollegeofBiologicalandChemicalEngineering,GuangxiUniversityofScienceandTechnology,Liuzhou545006,China;2.GuangxiKeyLaboratoryofGreenProcessingofSugarResources,GuangxiUniversityofScienceandTechnology,Liuzhou545006,China;3.CollaborativeInnovationCenterofGuangxiSugarIndustry,Nanning530004,China;4.KeyLaboratoryforProcessingofSugarResourcesofGuangxiHigherEducationInstitutes,GuangxiUniversityofScienceandTechnology,Liuzhou545006,China)Abstract:Thesugarcanejuicewassimulatedbybrowngranulatedsugaranddissolvedsugartostudiedthesugarclarificationdecoloringeffectofpowderedactivatedcarbonadsorptionsulfitationsettlingtechnology.Andtheeffectsofvariousfactorsonthedecolorizationrateandturbidityremovalratewereinvestigated.Theresultsshowsthattheoptimumconditionsforthepurificationofsugarjuiceare0.2%activatedcarbon,340mg/Lphosphoricacid,15g/Lintensityofsulfitation50℃ofactivatedcarbonadsorptiontemperatureandpH4.8ofactivatedcarbonadsorption.Undertheseconditions,thedecolorizationrateandturbidityratereached84.23%and94.31%respectively.Keywords:suga
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