当代化工
噹代化工
당대화공
CONTEMPORARY CHEMICAL INDUSTRY
2014年
5期
704-706,711
,共4页
赵厚瑞%施岩%李鸿鹏%吉豪杰
趙厚瑞%施巖%李鴻鵬%吉豪傑
조후서%시암%리홍붕%길호걸
模型化合物%原位还原
模型化閤物%原位還原
모형화합물%원위환원
Model compounds%In situ reduction
采用原位还原技术制备出Ni2P/TiO2-Al2O3催化剂,以喹啉为模型化合物对催化剂的加氢脱氮性能进行评价。主要考察复合载体中不同钛铝配比、不同Ni/P摩尔比对催化剂活性的影响及确定活性组分Ni2P负载量,确定该加氢脱氮催化剂最佳制备方法为:当n(Ti)/n(Al)=1/4,Ni2P负载量25%(wt)。在压力为3 MPa,体积空速为3 h-1,氢油体积比为500,反应温度为360℃的条件下,催化剂的加氢脱氮活性最高,可达98%。
採用原位還原技術製備齣Ni2P/TiO2-Al2O3催化劑,以喹啉為模型化閤物對催化劑的加氫脫氮性能進行評價。主要攷察複閤載體中不同鈦鋁配比、不同Ni/P摩爾比對催化劑活性的影響及確定活性組分Ni2P負載量,確定該加氫脫氮催化劑最佳製備方法為:噹n(Ti)/n(Al)=1/4,Ni2P負載量25%(wt)。在壓力為3 MPa,體積空速為3 h-1,氫油體積比為500,反應溫度為360℃的條件下,催化劑的加氫脫氮活性最高,可達98%。
채용원위환원기술제비출Ni2P/TiO2-Al2O3최화제,이규람위모형화합물대최화제적가경탈담성능진행평개。주요고찰복합재체중불동태려배비、불동Ni/P마이비대최화제활성적영향급학정활성조분Ni2P부재량,학정해가경탈담최화제최가제비방법위:당n(Ti)/n(Al)=1/4,Ni2P부재량25%(wt)。재압력위3 MPa,체적공속위3 h-1,경유체적비위500,반응온도위360℃적조건하,최화제적가경탈담활성최고,가체98%。
Ni2P/TiO2-Al2O3 catalyst was prepared by using in situ reduction technique. HDN properties of the catalyst were evaluated by using quinoline as model compound. The effects of Ti/Al ratio incomposite carrier, Ni/P molar ratio on the catalytic activity were investigated, and the loading of active component Ni2P was determined as well as the best preparation conditions.The results show that, when n (Ti)/n (Al) = 1/4, Ni2P load 25%(wt),pressure 3 MPa, volume 3 h-1, hydrogen/oil ratio 500, the reaction temperature 360 ℃,prepared catalyst has high hydrogenation denitrification activity.