固体吸附-热解析气相色谱法测定石化污水场废气TVOC  

Using Solid Adsorption And Thermal Desorption Gas Chromatography to Determinate Petrochemical Sewage Waste Gases TVOC

作　　者：牛新征[1] 

机构地区：[1]中国石油化工股份有限公司洛阳分公司,河南洛阳471012

出　　处：《河南科技》2015年第2期126-128,共3页Henan Science and Technology

摘　　要：针对石化污水场废气分析,设计了固体吸附-热解析气相色谱分析方法,采用Tenax作为固体吸附剂,用HL-800热解析仪加热解析,用大口径毛细管柱分离,使用氢火焰离子化检测器测定气样中的苯、甲苯、乙酸正丁酯、乙苯、间二甲苯、苯乙烯、邻二甲苯和正十一烷8种物质,进行了精密度测定,RSD%在1.98-3.97%,加标回收率为90.8%-99.1%。Aiming at the analysis of petrochemical sewage waste gases,the analysis method of solid adsorption and thermal desorption gas chromatography was designed,using Tenax as the solid adsorbent,HL-800 thermal desorption instrument for heating analysis,wide bore capillary column for separation and hydrogen flame ionization detector for determination of 8 substances of benzene,toluene,butyl acetate,ethylbenzene,m xylene,styrene,o-xylene and are eleven alkyl in the gas sample,a precision determination was carried out.RSD% is in the range of 1.98 - 3.97%,and the recovery is 90.8%-99.1%.

关 键 词：固体吸附 气相色谱法 废气 

分 类 号：X831[环境科学与工程—环境工程] O657.71[理学—分析化学]