Dynamic discharge and performance of a new adsorbent for natural gas storage

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Abstract
Performance of a new highly conductive adsorbent matrix for ANG systems was evaluated. The adsorbent composite block (ACB) was a mixture of superactivated carbon, labeled MAXSORB and expanded natural graphite (ENG), followed by consolidation. ENG was used both as a very high conductive matrix and as support for adsorbents. Thermal conductivity is 30 times higher than that of activated carbon packed bed. Dynamic methane discharges were studied experimentally with a 2‐L vessel filled with ACB. The influence of both the discharge flow rate and heat‐exchange conditions at the reactor wall on the delivered methane capacity was investigated. The modeling of the discharge process, validated from experimental results, shows the efficiency of this ACB with a 100‐V/V delivered methane capacity under various working conditions.