Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based Technologies

This review article aims to describe the main applications of gas hydrates in industrial processes and the related advantages and limitations. In particular, gas storage, energy storage, gas transportation, final disposal of greenhouse gases, desalination, wastewater treatments, food concentration,...

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Main Authors: Alberto Maria Gambelli, Federico Rossi
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/8/3576
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author Alberto Maria Gambelli
Federico Rossi
author_facet Alberto Maria Gambelli
Federico Rossi
author_sort Alberto Maria Gambelli
collection DOAJ
description This review article aims to describe the main applications of gas hydrates in industrial processes and the related advantages and limitations. In particular, gas storage, energy storage, gas transportation, final disposal of greenhouse gases, desalination, wastewater treatments, food concentration, and other technologies are described in detail. Similarly, the benefits and disadvantages of the solutions, currently adopted to improve the process efficiency, are discussed in the text. A particular focus on the use of additives and their capability to intervene during the formation of hydrates and on the replacement process is provided. The second part of the article deals with the use of small-chain hydrocarbons as aid gases during formation, to improve the efficiency and the competitivity of hydrate-based processes. First, the thermodynamic properties of hydrates, containing only these compounds, are described. Then, based on a collection of experimental data available elsewhere in the literature, their effect on the hydrate formation process, when present in the mixture, is shown and detailed. Finally, direct and experimental applications of these gases during hydrate-based processes are described to definitively prove the possibility of solving, partially or completely, most of the main limiting problems for the diffusion of hydrate-based technologies.
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spelling doaj.art-d472df28524a45d4a652e5058edcfdcc2023-11-17T19:07:08ZengMDPI AGEnergies1996-10732023-04-01168357610.3390/en16083576Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based TechnologiesAlberto Maria Gambelli0Federico Rossi1Engineering Department, University of Perugia, Via G. Duranti 93, 06125 Perugia, ItalyEngineering Department, University of Perugia, Via G. Duranti 93, 06125 Perugia, ItalyThis review article aims to describe the main applications of gas hydrates in industrial processes and the related advantages and limitations. In particular, gas storage, energy storage, gas transportation, final disposal of greenhouse gases, desalination, wastewater treatments, food concentration, and other technologies are described in detail. Similarly, the benefits and disadvantages of the solutions, currently adopted to improve the process efficiency, are discussed in the text. A particular focus on the use of additives and their capability to intervene during the formation of hydrates and on the replacement process is provided. The second part of the article deals with the use of small-chain hydrocarbons as aid gases during formation, to improve the efficiency and the competitivity of hydrate-based processes. First, the thermodynamic properties of hydrates, containing only these compounds, are described. Then, based on a collection of experimental data available elsewhere in the literature, their effect on the hydrate formation process, when present in the mixture, is shown and detailed. Finally, direct and experimental applications of these gases during hydrate-based processes are described to definitively prove the possibility of solving, partially or completely, most of the main limiting problems for the diffusion of hydrate-based technologies.https://www.mdpi.com/1996-1073/16/8/3576gas hydrateshydrocarbons as guestshydrate-based technologiesprocess efficiency
spellingShingle Alberto Maria Gambelli
Federico Rossi
Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based Technologies
Energies
gas hydrates
hydrocarbons as guests
hydrate-based technologies
process efficiency
title Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based Technologies
title_full Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based Technologies
title_fullStr Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based Technologies
title_full_unstemmed Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based Technologies
title_short Review on the Usage of Small-Chain Hydrocarbons (C<sub>2</sub>—C<sub>4</sub>) as Aid Gases for Improving the Efficiency of Hydrate-Based Technologies
title_sort review on the usage of small chain hydrocarbons c sub 2 sub c sub 4 sub as aid gases for improving the efficiency of hydrate based technologies
topic gas hydrates
hydrocarbons as guests
hydrate-based technologies
process efficiency
url https://www.mdpi.com/1996-1073/16/8/3576
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