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OALib Journal期刊
ISSN: 2333-9721
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吸附制冷用复合吸附剂的制备
DOI: 10.3969/j.issn.1671-7627.2002.06.002, PP. 6-10
Keywords: 吸附制冷,复合吸附剂,制备,热分析
Abstract:
用静态法测定主要吸附材料和自制复合吸附剂对水的吸附量,用tg-dta法对主要吸附材料的热稳定性和自制吸附剂对水的脱附峰端温度进行分析.对吸附剂原料复合比例、焙烧温度和扩孔剂种类等制备条件进行了实验研究.结果表明:自制复合吸附剂比单一吸附材料对水有着更大的吸附能力;dta分析的脱水的峰端温度明显低于单一吸附材料;采用较高的焙烧温度和分段焙烧方法,可明显改善复合吸附剂的吸附性能及强度;对于用不同的吸附材料复合的吸附剂,需加入不同的扩孔剂,方可增加孔容和孔径,改善其吸附性能;自制复合吸附剂对水的吸附量显著高于13x和硅胶等传统吸附剂.其中,m1-9906和m1-9907复合吸附剂对水的吸附量大约是13x和硅胶的2～3倍.
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