scholarly journals Potential Pb Mobilization, Transport, and Sequestration in Shallow Sandstone Aquifers Impacted by CO2 Leakage: A Natural Analogue Study from the Virgin River Basin, Southwestern Utah

2020 ◽  
Author(s):  
Michael Plampin ◽  
Madalyn Blondes ◽  
Eric Sonnenthal
Keyword(s):  
River Basin ◽  
Co2 Leakage ◽  
Natural Analogue ◽  
Analogue Study ◽  
Virgin River

scholarly journals Hydrogeochemical Modeling for Natural Analogue Study of CO2 Leakage due to Matsushiro Earthquake Swarm

2009 ◽  
Vol 1 (1) ◽  
pp. 2413-2420 ◽  
Author(s):  
Norifumi Todaka ◽  
Shigetaka Nakanishi ◽  
Tianfu Xu ◽  
Karsten Pruess
Keyword(s):  
Earthquake Swarm ◽  
Co2 Leakage ◽  
Natural Analogue ◽  
Hydrogeochemical Modeling ◽  
Analogue Study

Potential Pb+2 mobilization, transport, and sequestration in shallow aquifers impacted by multiphase CO2 leakage: a natural analogue study from the Virgin River Basin in Southwest Utah

2021 ◽  
pp. petgeo2020-109
Author(s):  
Michelle R. Plampin ◽  
Madalyn S. Blondes ◽  
Eric L. Sonnenthal ◽  
William H. Craddock
Keyword(s):  
Carbon Sequestration ◽  
River Basin ◽  
Numerical Models ◽  
Co2 Storage ◽  
Transport Processes ◽  
Source Zone ◽  
Natural Analogue ◽  
Shallow Aquifers ◽  
Geological Carbon Sequestration ◽  
Virgin River

Geological carbon sequestration (GCS) is necessary to help meet emissions reduction goals, but groundwater contamination may occur if CO2 and/or brine were to leak out of deep storage formations into the shallow subsurface. For this study, a natural analogue was investigated: in the Virgin River Basin of southwest Utah, water with moderate salinity and high CO2 concentrations is leaking upward into shallow aquifers that contain heavy metal-bearing concretions. The aquifer system is comprised of the Navajo and Kayenta formations, which are pervasive across southern Utah and have been considered as a potential GCS injection unit where they are sufficiently deep. Numerical models of the site were constructed based on measured water chemistry and head distributions from previous studies. Simulations were used to improve understanding of the rate and distribution of the upwelling flow into the aquifers, and to assess the reactive transport processes that may occur if the upwelling fluids were to interact with a zone of iron oxide and other heavy metals, representing the concretions that are common in the area. Various mineralogies were tested, including one in which Pb+2 was adsorbed onto ferrihydrite, and another in which it was bound within a solid mixture of litharge (PbO) and hematite (Fe2O3). Results indicate that metal mobilization depends strongly on the source zone composition and that Pb+2 transport can be naturally attenuated by gas phase formation and carbonate mineral precipitation. These findings could be used to improve risk assessment and mitigation strategies at geological carbon sequestration sites.Thematic collection: This article is part of the Geoscience for CO2 storage collection available at: https://www.lyellcollection.org/cc/geoscience-for-co2-storage

scholarly journals Natural analogue study in the Tono uranium deposit

2005 ◽  
Vol 11 (2) ◽  
pp. 167-180 ◽  
Author(s):  
Eiji Sasao ◽  
Kenji Amano ◽  
Kunio Ota
Keyword(s):  
Uranium Deposit ◽  
Natural Analogue ◽  
Analogue Study
Sign in / Sign up

Export Citation Format

Share Document