An asymmetric membrane of polyimide 6FDA-BDAF and its pervaporation desulfurization for n-heptane/thiophene mixtures

文献类型： 外文期刊

第一作者： Yang Xiang-dong

作者： Yang Xiang-dong;Li Yan-ting;Li Juan;Zhao Bing-qiang;Ye Hong;Li Ji-ding;Lin Yang-zheng;Ye Hong;Lin Yang-zheng

作者机构：

关键词： pervaporation;membrane material;fertilizer;desulfurization;n-heptane/thiophene

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2015 年 14 卷 12 期

页码：

收录情况： SCI

摘要： Polyimide (PI) is a type of important membrane material. A soluble polymer was synthesized from 4,4 ''-(hexafluoroisopropylidene) diphthalic anhydride (6FDA) and 2,2-bis[4-(4-anninophenoxy) phenyl] hexafluoropropane (BDAF) by the two-step polymerization method. The polymer was proved to be polyimide 6FDA-BDAF by the Fourier transform infrared (FT-IR), the 1H-NMR and 19F-NMR spectra. An asymmetric membrane was prepared with the synthesized polyimide 6FDA-BDAF, it was porous in the 50 pm height bulk and dense in a 3-5 pm height surface. The membrane was used to separate n-heptane/thiophene mixtures by pervaporation with sulfur (S) contents from 50 to 900 pg g(-1). The total flux was enlarged from 7.96 to 37.61 kg m(-2) h(-1) with temperature increasing from 50 to 90 C. The membrane's enrichments factor for thiophene were about 3.13 and dependent on the experimental conditions. The experimental results demonstrated that polyinnide 6FDA-BDAF would be a potential membrane material for desulfurization and controlled release of the S-containing fertilizer.

分类号：

  • 相关文献

[1]Soil organic carbon fractions and management index after 20 yr of manure and fertilizer application for greenhouse vegetables. Lou, Y.,Xu, M.,Wang, W.,Sun, X.,Liang, C..

[2]Influence of Data Preprocessing on the Quantitative Determination of Nutrient Content in Poultry Manure by Near Infrared Spectroscopy. Chen, L. J.,Han, L. J.,Xing, L..

[3]Long-Term Evaluation of Manure Application on Maize Yield and Nitrogen Use Efficiency in China. Duan, Yinghua,Xu, Minggang,Wang, Bairen,Yang, Xueyun,Huang, Shaomin,Gao, Suduan.

[4]Impacts of Organic and Inorganic Fertilizers on Nitrification in a Cold Climate Soil are Linked to the Bacterial Ammonia Oxidizer Community. Fan, Fenliang,Yang, Qianbao,Li, Zhaojun,Liang, Yongchao,Wei, Dan,Cui, Xi'an.

[5]Dynamics of Soil and Grain Micronutrients as Affected by Long-Term Fertilization in an Aquic Inceptisol. Li Ben-Yin,Huang Shao-Min,Shen A-Lin,Li Ben-Yin,Shen A-Lin,Xu Jian-Ming,Wei Ming-Bao,Zhang, H. L.,Ruan Xin-Ling.

[6]Short-Term Irrigation Level Effects on Residual Nitrate in Soil Profile and N Balance from Long-Term Manure and Fertilizer Applications in the Arid Areas of Northwest China. Wang, Ping,E, Sheng-Zhe,Zhang, Da-Wei,Yang, Sheng-Mao,Chen, Yi,Yang, Sheng-Mao,Wang, Ping,Suo, Dong-Rang,Malhi, S. S.,Guo, Yong-Jie,E, Sheng-Zhe.

[7]Application of Bio-Organic Fertilizer Significantly Affected Fungal Diversity of Soils. Luo, Jia,Ran, Wei,Hu, Jiang,Yang, Xingming,Xu, Yangchun,Shen, Qirong,Luo, Jia.

[8]Phosphorus Fractions of Soils Treated with Phosphate Rock and Monocalcium Phosphate after Ryegrass Growth. Chien, S. H.,Guo, H. C.,Guo, H. C.,Zhang, Q. C.,Wang, G. H..

[9]Phosphorus efficiency in a long-term wheat-rice cropping system in China. Tang, X.,Tang, X.,Ma, Y.,Shi, X.,Hao, X..

[10]Threshold of Soil Olsen-P in Greenhouses for Tomatoes and Cucumbers. Wu, Xue-Ping,Wu, Hui-Jun,Wang, Xiao-Bin,Li, Yin-Kun,Zhang, Yan-Cai,Li, Ruo-Nan,Wang, Li-Ying,Zhai, Cai-Xia,Chen, Li-Li,Wu, Xue-Ping,Wu, Hui-Jun,Wang, Xiao-Bin.

[11]Desulfurization and bio-regeneration of adsorbents with magnetic P-delafieldii R-8 cells. Li, Wangliang,Xing, Jianmin,Li, Yuguang,Xiong, Xiaochao,Liu, Huizhou,Li, Wangliang,Li, Yuguang,Xiong, Xiaochao,Li, Xin. 2008

[12]Enhancement of biodesulfurization in two-liquid systems by heterogeneous expression of Vitreoscilla hemoglobin. Xiong, Xiaochao,Xing, Jianmin,Li, Xin,Bai, Xuejing,Li, Wangliang,Li, Yuguang,Liu, Huizhou.

[13]Effect of Chemical Fertilizer Dose on Yield, Quality and Nutrient Utilization Rate of Sweet Pepper in Organic Substrate. Lv Xiao-Hui,Yang Ning,Wang Ke-An. 2013

[14]Potassium Fertilization on Maize under Different Production Practices in the North China Plain. Zhang, Weifeng,Chen, Xinping,Li, Chunjian,Zhang, Fusuo,Niu, Junfang,Jiang, Lihua,Liu, Zhaohui,Xiao, Kai,Assaraf, Menachem,Imas, Patricia.

[15]Loss of nitrogen by ammonia volatilisation and denitrification after application of urea to maize in Shanxi Province, China. Yang, Z. P.,Turner, D. A.,Denmead, O. T.,Chen, D.,Freney, J. R.,Yang, Z. P.,Zhang, J. J.,Wang, Y. L.,Chen, M. C.,Zhang, Q.,Denmead, O. T.,Freney, J. R..

[16]Phosphorus release from the soils in the Yellow River Delta: dynamic factors and implications for eco-restoration. Lv, Y. -C.,Xu, G.,Sun, J. -N.,Brestic, M.,Shao, H. -B.,Brestic, M.,Zivcak, M.,Shao, H. -B..

[17]Yield Gaps, Indigenous Nutrient Supply, and Nutrient Use Efficiency of Wheat in China. He, Ping,Liu, Xiaoyan,Jin, Jiyun,Zhou, Wei,Sulewski, Gavin,Phillips, Steve.

[18]Effect of Different Fertilizers on Nitrogen Isotope Composition and Nitrate Content of Brassica campestris. Yuan, Yuwei,Zhang, Zhiheng,Yang, Guiling,Wang, Qiang,Zhao, Ming,Chen, Tianjin.

[19]Effects of fertilization on leaf photosynthetic characteristics and grain yield in tartary buckwheat Yunqiao1. Wang, C.,She, H. Z.,Liu, X. B.,Hu, D.,Ruan, R. W.,Wu, D. Q.,Yi, Z. L.,Wang, C.,Shao, M. B.,Zhang, L. Y.,Zhou, L. B.,Zhang, G. B..

[20]Contribution of Heterotrophic Nitrification to Nitrous Oxide Production in a Long-Term N-Fertilized Arable Black Soil. Cai, Yanjiang,Wang, Lianfeng,Cai, Yanjiang,Ding, Weixin,Yu, Hongyan,Wang, Lianfeng,Zhang, Xilin.

作者其他论文 更多>>

微信小程序