Deciphering the Way Ratai geothermal system, Lampung, Indonesia: A comprehensive geochemical and isotopic analysis

Iqbal, Mochamad; Kusumasari, Brenda Ariesty

doi:10.1016/j.geothermics.2024.102985

Geothermics

2024

DOI: 10.1016/j.geothermics.2024.102985

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Deciphering the Way Ratai geothermal system, Lampung, Indonesia: A comprehensive geochemical and isotopic analysis

Mochamad Iqbal,

Brenda Ariesty Kusumasari

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2024

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Cited by 2 publications

References 15 publications

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Lithium enrichment in high-enthalpy geothermal system influenced by seawater, Indonesia

Arrofi,

Abu-Mahfouz,

Prayudi

2024

Sci Rep

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Lithium holds significant importance in energy storage and can be extracted from geothermal water, making it an additional resource to traditional mining. Combining lithium extraction from geothermal water with electricity generation from geothermal energy offers a compelling strategy to address future energy challenges. Situated in Southeast Sumatra, Indonesia, Way Ratai has considerable geothermal potential and is known for its hot springs. This study primarily aims to characterize lithium enrichment within the Way Ratai geothermal system. Water samples from various sources (one spring, seven hot springs, one well, and seawater) were analyzed for cations, anions, trace elements, and isotopic composition. The results show that Way Ratai is an old geothermal system with sodium-chloride water, where lithium enrichment is attributed to interactions between water and rocks, with some influence from seawater. The discrepancy between calculated and observed magnesium (Mg) concentrations suggests a pre-heating mixing process between rainwater and seawater. The reservoir rock in Way Ratai is mostly andesitic, with temperatures ranging from 182 o to 227 o C. This study enhances our understanding of thermal water characteristics, reservoir temperatures, and water origins in high enthalpy geothermal systems, offering valuable insights into lithium enrichment in coastal geothermal regions.

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Lithium enrichment in high-enthalpy geothermal system influenced by seawater, Indonesia

Arrofi,

Abu-Mahfouz,

Prayudi

2024

Sci Rep

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Advances in Thermal Infrared Remote Sensing Technology for Geothermal Resource Detection

Wang,

Xu,

Guo

2024

Remote Sensing

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This paper discusses thermal infrared (TIR) remote sensing technology applied to the delineation of geothermal resources, a significant renewable energy source. The technical characteristics and current status of TIR remote sensing is discussed and related to the integration of geological structure, geophysical data, and geochemical analyses. Also discussed are surface temperature inversion algorithms used to delineate anomalous ground-surface temperatures. Unlike traditional geophysical and geochemical exploration methods, remote sensing technology exhibits considerable advantages in terms of convenience and coverage extent. The paper addresses the major challenges and issues associated with using TIR remote sensing technology in geothermal prospecting.

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Deciphering the Way Ratai geothermal system, Lampung, Indonesia: A comprehensive geochemical and isotopic analysis

Cited by 2 publications

References 15 publications

Lithium enrichment in high-enthalpy geothermal system influenced by seawater, Indonesia

Lithium enrichment in high-enthalpy geothermal system influenced by seawater, Indonesia

Advances in Thermal Infrared Remote Sensing Technology for Geothermal Resource Detection

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