37890A氣相色譜石化應(yīng)用方案

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7890A氣相色譜在石油化工中的應(yīng)用

講座內(nèi)容z氣體分析解決方案煉廠氣分析(RGA)自然氣分析(NGA)z高壓氣體樣品進(jìn)樣裝置z用于氣體分析的有效工具z新配方汽油中微量氧化物

常用煉廠氣分析解決方案

RGA方案1：3-通道快速全分析RGA基本配置：分析范圍：New7890AGC，5閥7柱(毛細(xì)柱+填充柱),FID，2-TCDC1-C5烴類，C6+反吹,H2，He，O2，N2，CO，CO2,H2S分析時(shí)間：6分鐘，包括H2S，COS10分鐘滿足標(biāo)準(zhǔn)方法：ASTMD1946，D1945，UOP539也適合快速自然氣分析

閥配置圖Col5RGA方案1TCD通道2CPCMCol2In78910126789106543Col4Vent12Sample543CTCDCol3Vent4TCD通道1BTCDBPCMCol156132456153Col62AInInletA43FID通道AFID612SampleoutCol7新設(shè)計(jì)的閥與柱的連接Column1HaySepQ80/100,0.5mColumn2HaySepQ80/100,6ftColumn3Molsieve5A60/80,6ftColumn4HaySepQ80/100,3ftColumn5Molsieve5A60/80,8ftColumn6DB-12m,0.32mm,5umColumn7HP-AL/S25m,320mm,8um

7根柱子在柱溫箱中RGA方案17根柱子在柱箱中，仍然有好多空間，利于維護(hù)

整體聯(lián)結(jié)設(shè)計(jì)的閥與毛細(xì)管接口提高了氣體分析效果RGA方案1毛細(xì)柱與閥接口傳統(tǒng)聯(lián)結(jié)方式新的聯(lián)結(jié)方式…峰形得到很大改善

快速RGA色譜條件柱溫程序:60(1min)20c/min100c,30C/min190C進(jìn)樣口溫度:150C,閥箱:120CFID通道(烴類)柱:(1)DB-1,2m,0.32mm,5um(2)HP-AL/S25m,320mm,8um載氣He:3.3mL/min,恒流模式(12.7psiat60C)分流比:1:60定量管:25uLTCD通道1(永久氣體)柱:(1)HaysepQ80/100,0.5m(2)HaysepQ,80/100,6ft(3)Molsieve5A,60/80,6ft載氣He:25mL/min(36psiat60C),恒流模式預(yù)柱流量:22mL/minat60C(7psi),恒壓模式定量管:500uLRGA方案1TCD通道2(H2)柱:(1)HaysepQ80/100,3ft(2)Molsieve5A,60/80,8ft載氣N2:24mL/min,(26psiat60C),恒流模式預(yù)柱流量:7psi,(24mL/minat60C),恒壓模式定量管:500uL

pA01000750500250-25025V010007505002500-2500C6+1結(jié)果-煉廠氣標(biāo)準(zhǔn)氣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

結(jié)果–自然氣標(biāo)準(zhǔn)氣methaneethanen-butaneRGA方案1pA600400C6+2000-200025V25礦600propaneneopentanei-butanei-pentanen-pentaneFIDChannel123methanemethaneCH44567min2000-2000CO2400N2BackTCDChannelCarrygas:He25V6004002000-2000HeH2123TCD3CAuxSignal(RGAJUN27\NGAC7C80950008D)4567min3rdTCDChannelCarrygas:N21234567min

結(jié)果–用戶實(shí)際樣品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分鐘分析時(shí)間樣品中應(yīng)沒(méi)有水53RGA方案1131415柱溫程序:50C保持2分鐘,升溫速度30C/min到150C，保持3分鐘,升溫速度30C/min升溫到190C，保持1分鐘定量管：1mL1827812910116FIDChannel19202122234024V616171810min555045404/11BackTCDChannelCarrygas:He27H2SCOS3224252602H246810minHe3rdTCDChannelCarrygas:N2123456min

面積及保存時(shí)間重復(fù)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

快速煉廠氣分析特點(diǎn)RGA方案1一臺(tái)7890AGC,3個(gè)平行通道同時(shí)采集數(shù)據(jù),一次進(jìn)樣完成煉廠氣全分析,快速(6分鐘)，可靠?jī)?yōu)化的色譜柱組合能在一致的柱程序升溫條件下實(shí)現(xiàn)烴類和永久氣體的快速分開(kāi)專門的TCD通道以氮?dú)鉃檩d氣分析氫氣以保證氫氣的靈敏度和線性基于微板流路控制技術(shù)的全新管線連接用于連接閥和毛細(xì)管柱，不僅連接便利而且死體積小、惰性，大大改善了毛細(xì)管色譜分析性能包括改善烴類的峰形Macro程序可以自動(dòng)給出多種報(bào)告,報(bào)告格式可以是摩爾%，重量%或體積%或三者任意組合

方案2：2-通道全分析RGA基本配置：分析范圍：7890AGC，4閥5柱(填充柱),2-TCDC1-C5烴類，反吹C6+,H2，He，O2，N2，CO，CO2,H2S分析時(shí)間：40分鐘滿足標(biāo)準(zhǔn)方法：ASTMD1946，D1945，UOP539

閥配置圖閥4柱4RGA方案2柱2柱3柱5閥1柱1柱1:柱2:柱3:柱4:閥2閥32ftx1/8in.20%葵二腈on80/100ChromasorbPAW30ft.x1/8in.20%葵二腈on80/100ChromasorbPAW6ft.x1/8in.PorapakQ80/1004ft.X1/8in.分子篩13X45/60目柱5：10ft.X1/8in.分子篩13X45/60目

煉廠氣分析結(jié)果124675311981.H22.C6＋(反吹)3.CO24.丙烷5.丙烯6.異丁烷7.正丁烷05101520131410121518161917RGA方案221208.丙二烯9.1-丁烯10.異丁烯11.反-2-丁烯12.異戊烷13.順-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.

重復(fù)性（體積%）RGA方案2C6+丙烯1-丁烯異戊烷N2CO乙烷2.2712.2752.2802.2762.2722.2732.280平均值2