37890A气相色谱石化应用方案VIP

本文格式为Word版，下载可任意编辑——37890A气相色谱石化应用方案

7890A气相色谱在石油化工中的应用

讲座内容z气体分析解决方案炼厂气分析(RGA)自然气分析(NGA)z高压气体样品进样装置z用于气体分析的有效工具z新配方汽油中微量氧化物

常用炼厂气分析解决方案

RGA方案1：3-通道快速全分析RGA基本配置：分析范围：New7890AGC，5阀7柱(毛细柱+填充柱),FID，2-TCDC1-C5烃类，C6+反吹,H2，He，O2，N2，CO，CO2,H2S分析时间：6分钟，包括H2S，COS10分钟满足标准方法：ASTMD1946，D1945，UOP539也适合快速自然气分析

阀配置图Col5RGA方案1TCD通道2CPCMCol2In78910126789106543Col4Vent12Sample543CTCDCol3Vent4TCD通道1BTCDBPCMCol156132456153Col62AInInletA43FID通道AFID612SampleoutCol7新设计的阀与柱的连接Column1HaySepQ80/100,0.5mColumn2HaySepQ80/100,6ftColumn3Molsieve5A60/80,6ftColumn4HaySepQ80/100,3ftColumn5Molsieve5A60/80,8ftColumn6DB-12m,0.32mm,5umColumn7HP-AL/S25m,320mm,8um

7根柱子在柱温箱中RGA方案17根柱子在柱箱中，仍然有好多空间，利于维护

整体联结设计的阀与毛细管接口提高了气体分析效果RGA方案1毛细柱与阀接口传统联结方式新的联结方式…峰形得到很大改善

快速RGA色谱条件柱温程序:60(1min)20c/min100c,30C/min190C进样口温度:150C,阀箱:120CFID通道(烃类)柱:(1)DB-1,2m,0.32mm,5um(2)HP-AL/S25m,320mm,8um载气He:3.3mL/min,恒流模式(12.7psiat60C)分流比:1:60定量管:25uLTCD通道1(永久气体)柱:(1)HaysepQ80/100,0.5m(2)HaysepQ,80/100,6ft(3)Molsieve5A,60/80,6ft载气He:25mL/min(36psiat60C),恒流模式预柱流量:22mL/minat60C(7psi),恒压模式定量管:500uLRGA方案1TCD通道2(H2)柱:(1)HaysepQ80/100,3ft(2)Molsieve5A,60/80,8ft载气N2:24mL/min,(26psiat60C),恒流模式预柱流量:7psi,(24mL/minat60C),恒压模式定量管:500uL

pA01000750500250-25025V010007505002500-2500C6+1结果-炼厂气标准气12CO2O2methaneethaneethylene23propane3N2CH4cyclopropanepropyenei-butanen-butanepropadieneacetylene44567COt-2-butene1-butenei-butylenec--2-butene56i-pentanen-pentane1,3-butadienepropynet-2-pentene2-methyl-2-butene1-pentenec-2-penteneRGA方案1FIDChannel73rdTCDChannelCarrygas:N2minBackTCDChannelCarrygas:Hemin

结果–自然气标准气methaneethanen-butaneRGA方案1pA600400C6+2000-200025V25礦600propaneneopentanei-butanei-pentanen-pentaneFIDChannel123methanemethaneCH44567min2000-2000CO2400N2BackTCDChannelCarrygas:He25V6004002000-2000HeH2123TCD3CAuxSignal(RGAJUN27\NGAC7C80950008D)4567min3rdTCDChannelCarrygas:N21234567min

结果–用户实际样品FID1A,FID1A,FID1A,FID1A,FID1A,Norm.1750(C:\RGA_METHODDATA-DEC19\DATA\RGA_CUS_DEC18\SIG1000005.D)(C:\RGA_METHODDATA-DEC19\DATA\RGA_CUS_DEC18\SIG1000006.D)(C:\RGA_METHODDATA-DEC19\DATA\RGA_CUS_DEC18\SIG1000007.D)(C:\RGA_METHODDATA-DEC19\DATA\RGA_CUS_DEC18\SIG1000008.D)(C:\RGA_METHODDATA-DEC19\DATA\RGA_CUS_DEC18\SIG1000009.D)ethyleneRGA方案15-runoverlayspropylenen-butane150012501000i-butanePropaneFIDChannelt-2-butene1-butenei-buteneethanec-2-butenemethane2-me-2-butene1-pentenet-2-pentene750500i-pentanen-pentane25000TCTCTCTCTCNorm.D2D2D2D2D2B,B,B,B,B,(C:\R(C:\R(C:\R(C:\R(C:\RGGGGGA_METHA_METHA_METHA_METHA_METHODODODODODDDDDDt-2-penteneC6+1ATA-DECATA-DECATA-DECATA-DECATA-DEC1919191919\DATA\R\DATA\R\DATA\R\DATA\R\DATA\RGAGAGAGAGA_CU_CU_CU_CU_CUS_DS_DS_DS_DS_D2EC1EC1EC1EC1EC18\SIG108\SIG108\SIG108\SIG108\SIG10000000000000000000005.D6.D7.D8.D9.D)))))345min800600N2400CH4200BackTCDChannelCarrygas:He01234567minO2

H2S，COS分析需要10分钟分析时间样品中应没有水53RGA方案1131415柱温程序:50C保持2分钟,升温速度30C/min到150C，保持3分钟,升温速度30C/min升温到190C，保持1分钟定量管：1mL1827812910116FIDChannel19202122234024V616171810min555045404/11BackTCDChannelCarrygas:He27H2SCOS3224252602H246810minHe3rdTCDChannelCarrygas:N2123456min

面积及保存时间重复性CompoundsAverageRGA方案1Area(n=6)RSD%AverageStd.Dev.RSD%RT(n=6)Std.Dev.C6+methaneethaneethylenepropanecyclopropanepropyenei-butanen-butanepropadieneacetylenet-2-butene1-butenei-butylenec-2-butenei-pentanen-pentane1,3-butadienepropynet-2-pentene2-methyl-2-butene1-pentenec-2-penteneCO2O2N2CH4CO0.996481.507801.707881.957322.417063.185063.261953.648833.791613.860983.969904.473014.571184.675294.763675.039235.145835.259065.363855.586645.682205.755535.839702.185612.726343.251703.948854.616920.000310.000460.000520.000710.000750.000750.000720.000550.000700.000950.001200.001060.001100.001210.001120.000900.000990.001220.001550.001210.001170.001260.001310.002210.000600.000440.000940.000830.030.030.030.040.030.020.020.020.020.020.030.020.020.030.020.020.020.020.030.020.020.020.020.100.020.010.020.0259.01490.02807.40472.311950.35145.62732.90885.04682.13109.08348.17507.88332.39260.95403.8045.0369.23485.49101.0882.8562.5439.5759.082040.33930.6822500.182785.50903.091.101.452.351.315.960.452.013.152.590.652.392.592.031.953.470.050.403.660.410.660.610.380.502.376.5368.879.022.771.860.300.290.280.310.310.270.360.380.600.690.510.610.750.860.110.580.750.400.790.980.960.850.120.700.310.320.31

快速炼厂气分析特点RGA方案1一台7890AGC,3个平行通道同时采集数据,一次进样完成炼厂气全分析,快速(6分钟)，可靠优化的色谱柱组合能在一致的柱程序升温条件下实现烃类和永久气体的快速分开专门的TCD通道以氮气为载气分析氢气以保证氢气的灵敏度和线性基于微板流路控制技术的全新管线连接用于连接阀和毛细管柱，不仅连接便利而且死体积小、惰性，大大改善了毛细管色谱分析性能包括改善烃类的峰形Macro程序可以自动给出多种报告,报告格式可以是摩尔%，重量%或体积%或三者任意组合

方案2：2-通道全分析RGA基本配置：分析范围：7890AGC，4阀5柱(填充柱),2-TCDC1-C5烃类，反吹C6+,H2，He，O2，N2，CO，CO2,H2S分析时间：40分钟满足标准方法：ASTMD1946，D1945，UOP539

阀配置图阀4柱4RGA方案2柱2柱3柱5阀1柱1柱1:柱2:柱3:柱4:阀2阀32ftx1/8in.20%葵二腈on80/100ChromasorbPAW30ft.x1/8in.20%葵二腈on80/100ChromasorbPAW6ft.x1/8in.PorapakQ80/1004ft.X1/8in.分子筛13X45/60目柱5：10ft.X1/8in.分子筛13X45/60目

炼厂气分析结果124675311981.H22.C6＋(反吹)3.CO24.丙烷5.丙烯6.异丁烷7.正丁烷05101520131410121518161917RGA方案221208.丙二烯9.1-丁烯10.异丁烯11.反-2-丁烯12.异戊烷13.顺-2-丁烯14.正戊烷253015.1,3-丁二烯16.O2/Ar17.N218.甲烷19.CO20.乙烯21乙烷354045Min.

重复性（体积%）RGA方案2C6+丙烯1-丁烯异戊烷N2CO乙烷2.2712.2752.2802.2762.2722.2732.280平均值2