采用热重与红外联用等技术研究了柠檬酸铅Pb(C6H6O7)·H2O的热分解过程.结果表明:柠檬酸铅在空气中热分解过程可大致分为脱水、热分解及燃烧3个阶段.在热分解初始反应均为结晶水的失去,在200 ～ 280℃范围内部分有机物产生,而此后主要产物为二氧化碳,最终产物为氧化铅与金属铅.焙烧温度对柠檬酸铅在空气中分解起到关键性的作用.柠檬酸铅前驱物Pb(C6H6O7)·H2O在低温时主要焙烧产物是α-PbO、β-PbO与金属铅,温度较高时焙烧产物为β-PbO.在400 ～450℃范围内延长反应时间可以得到Pb3O4.
参考文献
| [1] | Luiz C. Ferracin;Abel E. Chacon-Sanhueza;Rogerio A. Davoglio .Lead recovery from a typical Brazilian sludge of exhausted lead-acid batteries using an electrohydrometallurgical process[J].Hydrometallurgy,2002(2/3):137-144. |
| [2] | Z. Vaysgant;A. Morachevsky;A. Demidov;E. Klebanov .A low-temperature technique for recycling lead/acid battery scrap without wastes and with improved environmental control[J].Journal of Power Sources,1995(2):303-306. |
| [3] | Cole J;Ernest R;Lee A Y .Update on recovering lead from scrap batteries[J].Journal of Metals,1985,37(02):79-83. |
| [4] | Yang J K;Zhu X F;Kumar R V .Ethylene glycol-mediated synthesis of PbO nanocrystal from PbSO4:A major component of lead paste in spent lead acid battery[J].Materials Chemistry and Physics,2011,131:336-342. |
| [5] | Zhu X F;Li L;Sun X J;Yang D N et al.Preparation of basic leady oxide from spent lead acid battery paste via chemical conversion[J].HYDROMETALLURGY,2012,117-118:24-31. |
| [6] | Lei Li;Xinfeng Zhu;Danni Yang;Linxia Gao;Jianwen Liu;R. Vasant Kumar;Jiakuan Yang .Preparation and characterization of nano-structured lead oxide from spent lead acid battery paste[J].Journal of hazardous materials,2012(Feb.15):274-282. |
| [7] | Jianwen Liu;Danni Yang;Linxia Gao;Xinfeng Zhu;Lei Li;Jiakuan Yang .Effect of iron doped lead oxide on the performance of lead acid batteries[J].Journal of Power Sources,2011(20):8802-8808. |
| [8] | 朱新锋,刘万超,杨海玉,李磊,杨家宽.以废铅酸电池铅膏制备超细氧化铅粉末[J].中国有色金属学报,2010(01):132-136. |
| [9] | 朱新锋,杨家宽,杨丹妮,孙晓娟,郭一飞,陈松涛.从废铅膏制备超细碳酸铅的表征及热分解性能研究[J].功能材料,2012(17):2343-2346. |
| [10] | 胡荣祖;史启祯;赵凤起.热分析动力学[M].北京:科学出版社,2008 |
| [11] | Kourgiantakis M.;Raptopoulou CP.;Terzis A.;Salifoglou A.;Matzapetakis M. .Lead-citrate chemistry. Synthesis, spectroscopic and structural studies of a novel lead(II)-citrate aqueous complex[J].Inorganica Chimica Acta,2000(1/2):134-138. |
| [12] | 石晶,徐家宁,张萍,范勇,王莉,毕明辉,马奎蓉,宋天佑.[Pb6（H2O）2（cit）4]·3H2O和Pb（tar）（H2O）2两种柔性酸和铅的配位聚合物的水热合成与表征[J].高等学校化学学报,2007(09):1617-1621. |
| [13] | Bassilakis R.;Wojtowicz MA.;Carangelo RM. .TG-FTIR analysis of biomass pyrolysis[J].Fuel,2001(12):1765-1786. |
| [14] | W. de Jong;A. Pirone;M.A. Wojtowicz .Pyrolysis of Miscanthus Giganteus and wood pellets: TG-FTIR analysis and reaction kinetics[J].Fuel,2003(9):1139-1147. |
| [15] | Munson M J;Riman R E .Observed phase transformations of oxalate-derived lead monoxide powder[J].Journal of Thermal Analysis,1991,37:2555-2566. |
| [16] | Criado J M;Gonzalez F;Gonzalez M et al.Influence of the grinding of PbCO3 on the texture and structure of the final products of its thermal decomposition[J].Journal of Materials Science,1982,17:2056-2060. |
| [17] | Perry D L;Wilkinson T J .Synthesis of high-purity alpha-PbO and beta-PbO and possible applications to synthesis and processing of other lead oxide materials[J].Applied Physics Materials Science and Processing,2007,89(01):77-80. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%