Effect of cycling and thermal control on the storage and dynamics of a 40-L monolithic adsorbed natural gas tank

Prosniewski, Matthew; Rash, Tyler; Romanos, Jimmy; Gillespie, Andrew; Stalla, David; Knight, Ernest; Smith, Adam M.; Pfeifer, Peter

doi:10.1016/j.fuel.2019.02.022

Cited by 20 publications

(7 citation statements)

References 28 publications

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“…Policicchio et al verified that after 14 adsorption/desorption cycles, CH4 capacity loss of a high surface area activated carbon (originated from Acros Organics) is more than 2-3 wt%[63]. In another study, Prosniewski et al showed that the useable volumetric storage capacity of carbon materials in ANG tanks for large hydrocarbons had a 16% drop after 20 cycles[64].…”

mentioning

confidence: 98%

Superior performance of modified pitch-based adsorbents for cyclic methane storage

Mirzaei

Ahmadpour

Shahsavand

et al. 2020

Journal of Energy Storage

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mentioning

confidence: 98%

Superior performance of modified pitch-based adsorbents for cyclic methane storage

Mirzaei

Ahmadpour

Shahsavand

et al. 2020

Journal of Energy Storage

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“…The adsorption-based storage technology (ANG) could be an alternate way to store the gas at less-pressure demand within a similar or more quantity. 8,9 Porous materials are packed in the cylinder, and then the gas is injected and stored at a relatively lower pressure than in CNG. In adsorption, methane molecules enrich the vicinity of the interfacial surface of porous materials, which are ultimately higher in density than in compressed form.…”

Section: Introductionmentioning

confidence: 99%

Suitability analysis of sustainable nanoporous adsorbents for higher biomethane adsorption and storage applications

Adlak

Chandra

Vijay

et al. 2022

Intl J of Energy Research

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Summary Compatible pore structure of activated carbons (AC) has important role in development of adsorbed natural gas (ANG) technology. ANG has attracted attention due to mild storage conditions which makes it more easy in operation. Porous materials have played a significant role for the storing the methane rich gas on the surface. Therefore, their synthesis with compatible structures has a vital role in technological development. Activation of biomass/biochar with KOH produces hierarchical porous networks as required. However, based on the nature of biomass yields different types of porosity. Therefore, to examine it further, we have selected 10 different biomasses, especially waste for AC production. These prepared carbons were then analyzed with different techniques such as Brunauer‐Emmett‐Teller, X‐ray diffraction, scanning electron microscope, and FT‐infrared. AC produced from coconut and pistachio shells that are hard in nature are found to produce pore structure in relevant width size range for methane adsorption. Whereas other softer biomass tended to have wider pore distribution relatively. The highest volumetric ratio of ~251 v/v (uptake) and ~217 v/v (delivery) has been recorded on coconut shell AC, whereas the highest gravimetric uptake of ~0.32 g/g at 6.5 MPa recorded on karanja shell AC. Furthermore, all the properties impacting the adsorption are discussed in the view of ANG technology. Highlights Ten different waste biomass has been utilized to produce activated carbons. Methane adsorption studies are carried out to find the most competent material. Coconut shell‐based carbons have shown the best storage and release capacities amongst all. Hardness in the physical nature gives narrower pore size distribution, whereas softer biomass produces wider pore distribution. Softer biomass such as agro‐residues is to be avoided for the use of methane storage.

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“…For gas delivery, the authors proposed using forced gas deflation from the adsorber. The same authors analyzed the beneficial effect of thermoregulation on reducing the accumulation of impurities from natural gas in the adsorbent [23].…”

Section: Introductionmentioning

confidence: 99%

Heat and Mass Transfer in an Adsorbed Natural Gas Storage System Filled with Monolithic Carbon Adsorbent during Circulating Gas Charging

et al. 2021

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Adsorbed natural gas (ANG) technology is a promising alternative to traditional compressed (CNG) and liquefied (LNG) natural gas systems. Nevertheless, the energy efficiency and storage capacity of an ANG system strongly depends on the thermal management of its inner volume because of significant heat effects occurring during adsorption/desorption processes. In the present work, a prototype of a circulating charging system for an ANG storage tank filled with a monolithic nanoporous carbon adsorbent was studied experimentally under isobaric conditions (0.5–3.5 MPa) at a constant volumetric flow rate (8–18 m3/h) or flow mode (Reynolds number at the adsorber inlet from 100,000 to 220,000). The study of the thermal state of the monolithic adsorbent layer and internal heat exchange processes during the circulating charging of an adsorbed natural gas storage system was carried out. The correlation between the gas flow mode, the dynamic gas flow temperature, and the heat transfer coefficient between the gas and adsorbent was determined. A one-dimensional mathematical model of the circulating low-temperature charging process was developed, the results of which correspond to the experimental measurements.

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Effect of cycling and thermal control on the storage and dynamics of a 40-L monolithic adsorbed natural gas tank

Cited by 20 publications

References 28 publications

Superior performance of modified pitch-based adsorbents for cyclic methane storage

Superior performance of modified pitch-based adsorbents for cyclic methane storage

Suitability analysis of sustainable nanoporous adsorbents for higher biomethane adsorption and storage applications

Heat and Mass Transfer in an Adsorbed Natural Gas Storage System Filled with Monolithic Carbon Adsorbent during Circulating Gas Charging

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