oaioai:dspace.xmu.edu.cn:2288/55579

CCVD法制碳纳米管用Ni-Mg-O催化剂的制备研究

Abstract

用草酸盐共沉淀法制备一类固溶体型NixMg1-xO纳米催化剂.该类催化剂用于甲烷催化分解合成碳纳米管(CNTs)显示出优良的性能.催化剂的制备优化研究揭示,催化剂的金属元素组成、氧化前驱物的焙烧和还原的温度对催化剂的性能有强烈的影响.在经优化的制备条件(n(Ni)∶n(Mg)=0.5:0.5,焙烧温度873 K,H2-还原温度973 K)下制备的Ni0.5Mg0.5O催化剂上,在经优化的制管反应条件(873 K,甲烷原料气GHSV=5×104mL/(h.g))下,反应2 h的CNTs产物的产率达到14.5 g/g

Similar works

Full text

thumbnail-image

Xiamen University Institutional Repository

Provided original full text link
oaioai:dspace.xmu.edu.cn:2288/55579Last time updated on 6/16/2016

This paper was published in Xiamen University Institutional Repository.

Having an issue?

Is data on this page outdated, violates copyrights or anything else? Report the problem now and we will take corresponding actions after reviewing your request.