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4篇 您的检索式:作者名="LU Zhenneng"
    题名 作者 年代 出处 被引量
1Preparation of composite adsorbent of sawdust and CaCl_2 by carbonization method for creating pore显示文摘To solve the problem of swelling and agglomeration of CaCl 2 during the process of ammonia adsorption and improve the performance of mass transfer,we present a new method for the preparation of adsorbent.The CaCl 2 is first immerged into sawdust by soaking method,then the composite adsorbent is prepared by carbonizing the mixture of CaCl 2 and sawdust.The SEM image and elements analysis indicated that the new adsorbent has high porosity and uniform distribution of CaCl 2 due to carbonization under temperature of 700°C.The performance testing of ammonia adsorption showed that under the conditions of evaporation temperature of 5°C and condensation temperature of 40°C,the ammonia uptake reaches 0.204,0.253 and 0.285 kg/kg,the specific cooling power(SCP) is 868.96,540.02 and 405.16 W/kg,and the average adsorption rate is 6.79×10 4,4.22×10 4 and 3.17×10 4 kg/kg/s when the adsorption time is 5,10 and 15 min,respectively.The problems of swelling and agglomeration of CaCl 2 are solved.BU XianBiao WANG LingBao LI HuaShan LU ZhenNeng 2012Science China(Technological Sciences)2012,55,9:2
2Preparation of composite adsorbent with high performance of heat and mass transfer显示文摘To develop a new composite adsorbent with high performance,fir sawdust and CaCl2are selected as raw materials.The mass transfer is enhanced by carbonizing and activating the sawdust and heat transfer is enhanced by adding expanded graphite into the adsorbent.The effect of the preparation temperature and the expanded graphite content on the adsorption performance is investigated.The results show that the new adsorbent exhibits a high adsorption performance due to its high porosity,uniform distribution and high content of CaCl2and high thermal conductivity.Also,the experimental results indicate that the rate of ammonia adsorption on the adsorbent depends on the expanded graphite content and the carbonization and activation temperature.The adsorbent prepared at 500°C and with the expanded graphite content of 30%has the best performance in terms of the adsorption refrigeration,which adsorbs ammonia as high as 0.37 g g 1at 10 min.BU XianBiao LU ZhenNeng WANG LingBao 2013Chinese Science Bulletin2013,58,30:1
3Preparation of Ammonia Adsorbent by Carbonizing and Activating Mixture of Biomass Material and Hygroscopic Salt显示文摘We put forward a new and ingenious method for the preparation of a new adsorbent by soaking, carbonizing and activating the mixture of hygroscopic salt and biomass material. The new adsorbent has high porosity, uniform distribution and high content of Ca Cl2, and exhibits high adsorption performance. The ammonia uptake and specific cooling power(SCP) at 5 min adsorption time can reach as high as 0.19 g·g-1 and 793.9 W·kg-1, respectively. The concept of utilizing the biomass materials and hygroscopic salts as raw materials for the preparation of adsorbents is of practical interest with respect to the potential quantity of biomass materials around the world, indicating that there would be a new market for biomass materials.Key words: biomass material; adsorption system; ammonia; calcium chloride; activated龙臻 卜宪标 LU Zhenneng LI Huashan MA Weibin 2015Journal of Wuhan University of Technology(Materials Science)2015,30,2:1
4Composite adsorbents of CaCI2 and sawdust prepared by carbonization for ammonia adsorption refrigeration显示文摘Huashan LI Xianbiao BU Lingbao WANG Zhenneng LU Weibin MA 2012Frontiers in Energy2012,6,4:0
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