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Role of Ionic Liquid-Based Multipurpose Gas Hydrate and Corrosion Inhibitors in Gas Transmission Pipeline

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Nanotechnology-Based Industrial Applications of Ionic Liquids

Part of the book series: Nanotechnology in the Life Sciences ((NALIS))

Abstract

Gas hydrate blockage and corrosion are two major flow assurance problems in oil and natural gas processing and transmission which cause severe safety and economic losses. The oil and gas industry has been injecting different types of corrosion as well as gas hydrate inhibitors to overcome these flow assurance problems in subsea flowline. However, the injection of these solvents and chemicals has a side effect on inhibition performance. Moreover, these chemicals require vast infrastructure such as storage tanks, injection pumps, a complex regeneration process, and subsea distribution pipelines. In addition, different ions’ presence in the formation water may induce operational issues such as hydrate inhibitor loss and scale deposition.

Gas hydrate and corrosion inhibitor’s mechanism, types, and applications in the petroleum industry have drawn much attention but ionic liquid-based multipurpose gas hydrate corrosion inhibitor (GHCI) behavior or performance is scarce in open scientific literature. This book chapter discusses the fundamentals of hydrate and corrosion formation, occurrence, and latest hydrate and corrosion chemical prevention methods along with updated literature review on the application of ionic liquid application in this field. The challenge of application of GHCl and understanding the chemistry of ionic liquids is presented. Prospects on multipurpose GHCIs for the oil and gas industry are also discussed briefly.

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Abbreviations

AAs:

Anti-agglomerants

ADT:

Average depression temperature

DES:

Deep eutectic solvents

EIS:

Electrochemical impedance spectroscopy

GHCIs:

Gas hydrate and corrosion inhibitors

IE:

Inhibition efficiency

IL:

Ionic liquid

KHIs:

Kinetic hydrate inhibitors

LDHIs:

Low-dosage hydrate inhibitors

NGH:

Natural gas hydrate

QAS:

Quaternary ammonium salts

THIs:

Thermodynamic hydrate inhibitors

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Acknowledgements

The authors would like to thank CO2RES for providing necessary facilities. The authors gratefully also acknowledge the support of Chemical Engineering Department, Universiti Teknologi PETRONAS, Malaysia.

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Correspondence to Bhajan Lal .

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Qasim, A., Lal, B., Shariff, A.M., Ismail, M.C. (2020). Role of Ionic Liquid-Based Multipurpose Gas Hydrate and Corrosion Inhibitors in Gas Transmission Pipeline. In: Inamuddin, Asiri, A. (eds) Nanotechnology-Based Industrial Applications of Ionic Liquids. Nanotechnology in the Life Sciences. Springer, Cham. https://doi.org/10.1007/978-3-030-44995-7_11

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