Abstract
The present study is aimed at the development of scientific and technological approaches to the production and exploitation of adsorption systems for natural gas storage at low temperatures. In this work, a monolithic microporous carbon adsorbent is proposed for the accumulation of natural gas; the comprehensive investigations of its structure and properties were carried out. The proposed adsorbent was used for filling up a mobile adsorption natural gas storage reservoir (an adsorber) equipped with the internal and external heat exchangers which provided different modes of fueling/delivery process. The adsorber endured the integrated reliability testing under isothermal, adiabatic and low-temperature conditions of gas fueling/delivery modes. The adsorption characteristics were determined at the pressures up to 10 MPa and within the temperature range from 238 to 293 K; the energy consumptions upon the processes of gas fueling and adsorber cooling were accessed depending on the fueling mode; the temperature variations occurring in the adsorber upon the gas fueling/delivery processes were studied within the pressure range from 0.05 to 10 MPa. Cyclic testings of the mobile adsorber of natural gas were performed to determine an influence of the cyclic loading on the adsorption capacity of the adsorbent.
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