Advancements in Gas Chromatography Analyzers - Keeping up with New Technology. Chuck Runkle Gas Phase Product Specialist ASTS June 2013
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1 Advancements in Gas Chromatography Analyzers - Keeping up with New Technology Chuck Runkle Gas Phase Product Specialist ASTS June 0
2 Capillary Flow Technology -- solves difficult application problems easily & opens up many new (and old) possibilities for GC & GC/MS
3 Column connections (connect pre-column) Change MSD columns (without venting) Backflush (Reverse flow through column) Deans switch (heart cut select peaks to nd column) Detector splitter (effluent split to two or more detectors) Merge flows ( columns to MSD) Comprehensive -D GC (cut all peaks to nd column) etc.
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16 Agilent Fast Refinery Gas Analyzer What is a Fast Refinery Gas Analyzer 7890 GC is designed to analyze refinery gas in under 6 min. The system has 5 valves and three detectors. The FID is for measuring hydrocarbons from C to C5 while C6/C6+ components are back-flushed and measured as a single peak at the beginning of the analysis. The first TCD is configured with helium carrier gas to analyze permanent gases (CO, CO, O, N). The second TCD is configured with nitrogen carrier gas to analyze hydrogen. This detector is mounted on the side of the instrument.
17 Agilent Fast Refinery Gas System Three Channel System for Analysis of Hydrogen, Permanent Gases and Hydrocarbon Analysis Col 5 Col Back Aux Ch PCM C Ch Back Inl Ch PCM B Ch Out Sample In 00 ul Loop 6 5 Col 6 Vent LOOP 5 5ul Sample In Loop 50 ul 6 5 Vent Col Side TCD () Back TCD (0) Front Inl EPC Front CAP () The design looks complicated, but it is really just three separate channels. Each channel by itself is very simple. Lets break it down. 5 6 Col 7 Col Col 8 Col Front FID (0)
18 Agilent Fast Refinery Gas Analyzer Utilizes Four Types of Rotary Valves - Valves are always depicted in the OFF position unless otherwise noted LOOP 5 6 IN SAMPLE OUT 6-port GSV (Opt 70) Out Sample In Loop 6 5 Vent 0-port GSV with precolumn back-flush to vent (Opt 80) port column isolation valve (Opt 70) 6-port sequence reversal with pre-column back-flush to detector (Opt 708)
19 Agilent Fast Refinery Gas System Three Gas Sample Valve Loops in Series Hydrogen Channel Hydrocarbon Channel Permanent Gas Channel Out Sample 00 ul Loop 6 5 LOOP 5 6 5ul Sample In Loop 50 ul 6 5 There are three gas sample valves, one for each channel. Sample flows in through a single /6 tube and fills the gas sample loop for each valve before injection. All three channels are injected simultaneously. All channels analyze in parallel after injection.
20 Agilent Fast Refinery Gas System Hydrogen Analysis: Back-flush MolSieve Back Aux Ch PCM C Ch Sample Out 00 ul Loop 6 5 Vent Sample In Hayesep Q Side TCD () The valve is turned to the OFF position after hydrogen has eluted to the Molsieve column. Hydrogen is separated from helium on the MolSieve and analyzed on the TCD All permanent gases and hydrocarbons are back-flushed from the Hayesep column to vent.
21 Agilent Fast Refinery Gas System Permanent Gas Analysis: Sample Load Back Inl Ch PCM B Ch Sample In Loop 50 ul 6 5 Unibead Sample Vent Out MolSieve Unibead Back TCD (0) 5 6
22 Agilent Fast Refinery Gas System Hydrocarbon Analysis 5 LOOP 6 5ul Front Inl EPC Front CAP () M 5um DB- Front FID (0) 5 6 5M 8um HP-AL/S
23 Agilent Fast Refinery Gas Analyzer Channels of Data in under 6 minutes FID: Hydrocarbons TCD: Permanent Gases TCD: Hydrogen
24 Refinery Gas TCD
25 Universal Capillary Nat Gas Solution Value to Customers Features of the Universal Nat Gas Solution Can be configured with both LSV and GSV for both liquid and gas injections The FID channel is configured with a 6-port backflush valve and a DB- 60m x 0.5mm x.0um This channel can be configured for either a C6+ backflush or an extended analysis simply through a method change. TCD channel is equipped with a Deans Switch configured with a PLOT Q capillary column and a Molsieve column. The columns from the Deans Switch are teed into a single TCD to give a more compact analysis. This channel can be configured to either separate oxygen and nitrogen or to report a N/O composite, simply through a method change. HS can be analyzed on the PLOT Q TCD channel. If the user needs high level HS the system could be ordered with Hastelloy valves and Nickel tubing.
26 Simplified Natural Gas O/N Composite
27 Natural Gas C6 Plus with O & N
28 Natural Gas Extended with O & N
29 Universal Capillary Nat Gas Solution Review Value to Customers We currently have 5 natural gas analyzers These systems all revolve around a matrix of 5 variables Extended Analysis Hydrogen Capacity O/N separation High HS Liquefied Samples We have the ability to configure one instrument based on CFT that can be configured around of the 5 nat gas variables. This system will not analyze for hydrogen. We do not see a big need for hydrogen analysis in the nat gas industry and if a customer needs this, they can order a refinery gas system.
30 Universal Capillary Nat Gas Solution FLOW INJECTION OVEN LEFT SIDE SOURCE PORT = #87X IN SAMPLE 5/85/86 S W P C Valve System Date : /5/0 Order No : Universal NGA Item : VALVE COMPARTMENT BLOCK BLOCK /XXX.0 ml Loop /800/50/50 Sample In S/N : Sample Out 0.5 ml Loop DETECTOR Back Inl EPC Front Inl Back R Col CAP P 888 () S Front Col Col Col 0.5mm FSOT transfer line G Back TCD (0) Front EPC Front Aux AUX Options SAMPLE OUT S W P C 6/850/ CAP () x, 0, 0, 0, 05, 06, 50, 50, 708, 75, 800, 850, , x86, 5x87, 87, 888, 9095P-QOPT, 9095P-MS0E, , -06, /XXX SP options Remarks , , Col 5 /708/5x87 0.5mm x 5m FSOT transfer line Col : HP-PLOT Q PT, 9095P-QOPT, 0m x 0.5mm x 0um Col : HP-PLOT Molsieve, 9095P-MS0E, 0m x 0.5mm x 0 um Col : Restrictor, FST, , (cut to.5m), 5m x 0.50mm Col : DB-, -06, (m cut), 60m x 0.5mm x.0 um Col 5: DB-, -06, (58m cut), 60m x 0.5mm x.0 um FID (0)
31 Universal Capillary Nat Gas Solution Example Chromatogram from TCD Channel
32 Universal Capillary Nat Gas Solution Review Example Chromatogram from FID Channel 79% Hexanes LPG Injection, Extended Analysis
33 MS with Fixed Gases
34 MS with Fixed Gases Single TCD
35 In Summery Capillary Flow Technology -- solves difficult application problems easily & opens up many new (and old) possibilities for GC & GC/MS
36 6 Confidentiality Label July 0, 0
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