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负载型钯酞菁催化剂上CCl2F2的选择性加氢脱氯反应
二氯二氟甲烷 CFCs 加氢脱氯
2009/6/12
负载型钯酞菁能有效催化CCl2F2的选择性加氢脱氯反应,在氟化物为载体的钯酞菁催化剂上,CCl2F2转化成CH2F2的选择性可达75%以上.对比研究表明,负载型钯酞菁催化剂上CCl2F2选择性加氢脱氯的稳态催化活性要高于普通的负载型金属钯催化剂.在钯活性中心引入环状酞菁配体能有效提高催化剂在高腐蚀性反应条件下的稳定性.红外光谱、X射线衍射和紫外-可见光谱表征揭示了负载型钯酞菁催化剂具有良好催化活性...
Validation of ACE-FTS v2.2 measurements of HCl, HF, CCl3F and CCl2F2 using space-, balloon- and ground-based instrument observations
ACE-FTS v2.2 HCl HF CCl3F CCl2F2
2008/11/24
Hydrogen chloride (HCl) and hydrogen fluoride (HF) are respectively the main chlorine and fluorine reservoirs in the Earth's stratosphere. Their buildup resulted from the intensive use of man-made hal...