%0 Journal Article
%T Kinetics on Chlorinating Rare Earth of Weishan Mid-grade Bastnasite in Shandong after Fixed Fluorine Treatment<br>固氟氯化法从山东微山氟碳铈矿提取稀土的氯化率动力学
%A SHI Wen-zhong
%A ZHU Guo-cai
%A <br>时文中
%A 朱国才
%J 过程工程学报
%D 2003
%I 
%X The kinetics curved lines of chlorinating rate on chlorinating rare earth of Weishan mid-grade bastnasite in Shandong after fixed fluorine were determined. It is shown that the chlorinating process for fluorine-fixed calcine agreed well with the regional reaction rate model presented by Bagdasarym. The process consisted of two tandem steps, Erofeev Equation lnln(1a)]=lnk+nlnt was used to deal with the equation of reaction rate,the function between rate constant and temperature was k=2.7?07e125900/RT. The apparent activation energy Ea was 125.9 kJ/mol. The process was mainly controlled by the interfacial chemical reaction.
%K bastnasite
%K fluorine-fixed
%K ammonium chloride
%K rare earth
%K kinetics<br>氟碳铈矿
%K 稀土
%K 固氟氯化铵焙烧法
%K 氯化率
%K 动力学
%K 区域反应速率模型
%K 氯化反应
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=3FCF8B1A330466D5&jid=B9EE12934D19905403D996AE65CEEEED&aid=312504AFAF3F6B14&yid=D43C4A19B2EE3C0A&vid=38B194292C032A66&iid=38B194292C032A66&sid=B4E8EA49DAAEB84F&eid=4133DDB79B497495&journal_id=1009-606X&journal_name=过程工程学报&referenced_num=6&reference_num=26