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Summer Test Program Carbon Analysis

This report outlines the carbon analysis conducted by MeadWestvaco Corporation in Covington, VA, focusing on the performance of BWC canisters loaded with 100% butane under various conditions. Testing involved assessing the breakthrough vacuum purge efficiency and establishing the canister capacity under standard conditions. Results indicated no degradation in capacity due to moisture or gasoline exposure, and carbon capacity remained stable throughout the test period, even with marine physical stresses. Future work includes particle size distribution testing and long-term canister performance evaluation on boats.

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Summer Test Program Carbon Analysis

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  1. Summer Test ProgramCarbon Analysis MeadWestvaco Corporation Carbon Department Covington, VA 24426

  2. Test Cases

  3. BWC Procedure Load Canister with 100% Butane at 600 cc/min to 50% Breakthrough Vacuum Purge Canister at 10 lpm for 300 bed volumes Load Canister with 100% Butane at 600 cc/min to 50% Breakthrough Conditions Canister to Reproducible State Purges butane And gasoline From Canister Establishes Capacity of Canister under Standard conditions

  4. BWC Apparatus Temp Meter Purge Flow meter Vent Bubble Meter Butane Feed Flow meter Vacuum Pump Butane Vent Flow meter Butane Cylinder

  5. BWC Test Results

  6. Repeat Testing at Grady White No degradation in capacity was identified

  7. Summary • Testing showed no degradation in capacity due to moisture or liquid gasoline exposure • Regenerable carbon capacity was maintained throughout test period • Carbon capacity was unaffected by physical stresses associated with marine use • Carbon canisters did not affect performance of boats

  8. Future Work • Carbon canisters will be removed from boats and tested for particle size distribution, heel analysis, and capacity • Two canisters will remain on boats for long-term testing

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