Abstract
This chapter presents the recent trends in the development of adsorption-based natural gas storage units for diurnal peak shaving and demonstrates their practicality from the heat management point of view. To reach this objective, we first discuss the rationale for storing sales gas and methods of storage and then focus on the fundamentals of adsorption and industrial adsorbents. Then, we discuss the experimental setup and procedure for screening adsorbents, which will be followed by discussing how to determine heat management requirements for the operation of commercial natural gas storage units. The methods discussed involve the use of empirical isothermal models and methods for calculating isosteric heat of adsorption and integral heat of adsorption. For the modeling and optimization of an industrial-scale adsorption-based sales gas storage unit, the integral heat of adsorption is used. Experimental and modeling results showed that 95% of the design storage capacity can be achieved with improved thermal conductivity of adsorbents and jacket cooling of the storage vessel (through the use of a central tube or cooling coil). These results show that adsorption-based sales gas storage is an industrially applicable technology.
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