ZrBDC-Based Functional Adsorbents for Small-Scale Methane Storage Systems

Figure 2

Schematic representation of the high-pressure adsorption setup for methane adsorption measurements by the combined gravimetric-volumetric method [66]: I-high-pressure section made of metal; II-vacuum section made of glass; 1-ampoule with an adsorbent; 2-capillary tube for supply with methane; 3-thermostated air bath; 4-temperature controller; 5-temperature acquisition; 6-nitrogen trap; 7-fore vacuum pump; 8-ionization thermocouple vacuum manometer; 9-methane cylinder; 10-pressure reducer; 11 - methane cleanup unit; 12-thermal compressor; 13-Dewar vessel; 14-heating unit; 15-18-manometer; 19-comparative beam scales; 20-“kovar-glass” junction of Sections I and II; V1-V10: valves; VL: vacuum lock.