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CoAPSO-5分子筛膜制备与CO_2/CH_4分离性能实验 被引量:4

CO_2/CH_4 Separation Performance and CoAPSO-5 Zeolite Membrane Preparation
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摘要 采用原位水热合成法在多孔α-Al2O3上制备了CoAPSO-5分子筛膜;通过XRD和SEM检测,证明所合成的CoAPSO-5分子筛膜致密、均一、厚度20μm无取向;通过气体渗透法检测所合成的分子筛膜为无缺陷;同时,考察了CoAPSO-5分子筛膜对CO2/CH4混合气的分离效果,渗透分离结果显示,在渗透压差分别为0.3和0.5 MPa时,CO2/CH4的真实分离系数分别为4.86和5.29。 The CoAPSO-5 membrane on the α-Al2O3 substrate was synthesized by using in situ crystallization.According to detection results of scanning electron microscopy(SEM) and X-ray diffraction(XRD),the 20 μm thick membrane was composed of well-intergrown CoAPSO-5 crystals,which were tightly covered on the α-Al2O3 substrate in random orientation.The gas permeation measurements revealed the resulting membrane was of high-quality with few non-zealitic pores.In addition,the separation property of CO2/CH4 through the synthesized CoAPSO-5 membrane was investigated.When the osmotic pressure was 0.3 MPa and 0.5 MPa,the real separation factor of CO2/CH4 was 4.86 and 5.29 respectively.
出处 《农业机械学报》 EI CAS CSCD 北大核心 2013年第9期114-117,共4页 Transactions of the Chinese Society for Agricultural Machinery
基金 国家自然科学基金资助项目(51106165) 广东省自然科学基金重点资助项目(10251007006000000)
关键词 CoAPSO-5 分子筛膜 CO2 CH4分离 水热合成 CoAPSO-5 Zeolite membrane CO2/CH4 separation Hydrothermal synthesis
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