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OALib Journal期刊
ISSN: 2333-9721
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乙醇脱水制乙烯工艺条件的响应面法优化
DOI: 10.3969/j.issn.1671-7627.2012.04.018, PP. 90-95
Keywords: al2o3,乙醇脱水,乙烯,响应面法
Abstract:
研究活性al2o3催化剂催化乙醇脱水的过程,在单因素实验的基础上,采用响应面方法优化温度、进料速度和催化剂粒径等工艺参数,建立预测模型。结合生产实际和实验室研究成果,使用建立的模型,在乙烯时空收率≥5h-1,乙醇转化率≥98%的条件下,得到乙烯选择性的最优化条件。结果表明:催化剂装填量为5g,原料乙醇质量分数为95%,温度398.5℃,进料速率40ml/h,催化剂粒径0.4mm的条件下反应,乙醇转化率为98.0%,乙烯选择性和时空收率分别为99.5%和5.0h-1。预测结果与实验值误差≤2%,建立的预测模型准确可靠。
| [1] | kjellinm,johanssoni.surfactantsfromrenewableresources[m].chichester:johnwiley&sonsltd,2010:109-126.
|
| [2] | 胡燚,李慧,黄和,等.生物乙烯开发进展与产业化[j].现代化工,2009,29(1):6-9.
|
| [3] | 李慧,胡燚,苏国东,等.合成方法对γ-al2o3催化剂乙醇脱水性能的影响[j].石油化工,2009,38(4):374-379.
|
| [4] | 隋允康,宇慧平.响应面方法的改进及其对工程优化的应用[m].北京:科学出版社,2011:117-128.
|
| [5] | clarkjh,deswartef.introductiontochemicalsfrombiomass[m].chichester:johnwiley&sonsinc,2008:77-101.
|
| [6] | 洪爱珠,颜桂炀,刘欣萍,等.生物乙醇催化脱水制乙烯的研究进展[j].广州化学,2007,32(4):60-65.
|
| [7] | 黎颖.活性氧化铝上乙醇选择性脱水制乙烯的动力学研究[d].北京:北京化工大学,2007.
|
| [8] | boxgep,drapernr.responsesurfaces,mixtures,andridgeanalyses[m].2nded.hoboken:johnwiley&sonsinc,2006:1-16.
|
| [9] | ngly,leocp,mohammadaw.optimizingtheincorporationofsilicananoparticlesinpolysulfone/poly(vinylalcohol)membraneswithresponsesurfacemethodology[j].journalofappliedpolymerscience,2011,121(3):1804-1814.
|
| [10] | dhillongs,brarsk,vermam,etal.enhancedsolid-statecitricacidbio-productionusingapplepomacewastethroughsurfaceresponsemethodology[j].journalofappliedmicrobiology,2011,110(4):1045-1055.
|
| [11] | zhuangyl,sunlp.preparationofreactiveoxygenscavengingpeptidesfromtilapia(oreochromisniloticus)skingelatin:optimizationusingresponsesurfacemethodology[j].journaloffoodscience,2011,76(3):c483-c489.
|
| [12] | scanlonjt,willisde.calculationofflameionizationdetectorrelativeresponsefactorsusingtheeffectivecarbonnumberconcept[j].journalofchromatographicscience,1985,23(8):333-340.
|
| [13] | maorlv,nguyentm,yaoj.conversionofethanolinaqueoussolutionoverzsm-5zeolites:influenceofreactionparametersandcatalystacidicpropertiesasstudiedbyammoniatpdtechnique[j].appliedcatalysis,1990,61(1):161-173.
|
| [14] | 周云瑞,祝万鹏,刘福东,等.al2o3催化剂结构对催化臭氧化活性的影响[j].化学学报,2006,64(9):889-893.
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