提高甲烷载体催化元件灵敏度的研究  

Research on Improving Sensitivity of Methane Carrier Catalytic Sensor

作　　者：朱正和[1] 

机构地区：[1]煤炭科学研究总院重庆分院,重庆400037

出　　处：《矿业安全与环保》2003年第6期21-22,共2页Mining Safety & Environmental Protection

摘　　要：选择合适参数的PtRh合金丝,改变载体的化学组成及配比,通过化学扩孔法,控制载体的表面积;调整催化剂溶液的pH值,使Pd,Pt和NH3达到最佳的络合数,从而控制催化剂活性中心的数量,达到提高甲烷载体催化元件灵敏度的目的。Through the selection of PtRh alloy wire with suitable parameters, the change of chemical composition proportion of the carrier, the control of surface area of the carrier by chemical enlargement of pores, the regulation of PH value of catalytic solution to make Pd, Pt and NH3 reach optimum complex number, and the control of the quantity of active centers of catalyst, the sensitivity of methane carrier catalytic sensors was thus improved.

关 键 词：甲烷 载体 灵敏度 微孑L陶瓷 化学扩孔 PH值 

分 类 号：TD711.3[矿业工程—矿井通风与安全] TH831.1[机械工程—仪器科学与技术]