氨氧化过程中铂回收用吸附材料的制备和性能.PDFVIP

1998 9 　　　　　 31　 5 　　　　　　 　　　　　　 Sep. 1998 JOURNAL OF TIANJIN UNIVERSITY 　Vol. 31 No. 5　 * 李增喜 　程　伟　张继炎 () 　　研究了利用具有蜂窝状结构的吸附材料来回收在氨氧化过程中流失的铂催化 组份的 方法,重点考察了吸附材料载体的组成和制备条件对载体性质的影响.工业试验表明,该吸附材料 不仅具有较好的铂吸附性能,而且具有机械强度高,流体阻力小等特点. 　,, 　 032 TQ MANUFACTURE AND PROPERTIES OF THE HONEYCOMB ADSORBING MATERIAL FOR PLATINUM RECOVERY IN AMMONIA OXIDATION PROCESS Li Zengx　i Cheng We　i Zhang Ji an ( School of hemical Engineering, Tianjin University) Abstract　A new type of the honeycomb adsorbing material for the recovery of the lost platinum in the ammonia oxidation process has been prepared The effects of the preparation condition such as. the composition,calcination temperature etc. ,on the properties of the carrier have been investigat- ed The testing results on the industrial equipment corfirm that the honeycomb adsorbing material. has high mechanical strength ,low and uniform hydraulic resistance,and the good ability to recover the lost platinum. 　 , , Ke words ammonia oxidation honeycomb adsorbing material platinum recovery 　　,. ,. , ,., 0. 06～ 0. 28 g[1] ., [2～ 6] ,, 　　　 1996 12 9. 1997 3 10. 　* 　1966,,,. Born in 1966,male, Dr, associate prof. ·662· 　　　　　　　　　　　　　　　　　　　　 1998 9 [7] . 1　 1. 1　 　　( 2 ·2 2 3 ·5 2 ) MgO Al O SiO (2Al2 O3 ·5SiO2). 　　、,, ,. 1. 2　 　　,. ( TG)(DT A), 300℃～ 600℃ , 455 ℃( 1) ., , 455℃. 400℃ . 1. 3　 　　, 2. ,,,