37890A氣相色譜石化應用方案

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7890A氣相色譜在石油化工中的應用

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(毛細柱+填充柱),FID，2-TCDC1-C5烴類，C6+反吹,H2，He，O2，N2，CO，CO2,H2S分析時間：6分鐘，包括H2S，COS10分鐘滿足標準方法：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新設計的閥與柱的連接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

整體聯(lián)結(jié)設計的閥與毛細管接口提高了氣體分析效果RGA方案1毛細柱與閥接口傳統(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-煉廠氣標準氣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–自然氣標準氣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分鐘分析時間樣品中應沒有水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

面積及保存時間重復性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RGA方案1一臺7890AGC,3個平行通道同時采集數(shù)據(jù),一次進樣完成煉廠氣全分析,快速(6分鐘)，可靠優(yōu)化的色譜柱組合能在一致的柱程序升溫條件下實現(xiàn)烴類和永久氣體的快速分開專門的TCD通道以氮氣為載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的全新管線連接用于連接閥和毛細管柱，不僅連接便利而且死體積小、惰性，大大改善了毛細管色譜分析性能包括改善烴類的峰形Macro程序可以自動給出多種報告,報告格式可以是摩爾%，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分析時間：40分鐘滿足標準方法：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