Articles | Volume 19, issue 15
https://doi.org/10.5194/bg-19-3537-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-19-3537-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
01 Aug 2022
Research article |
| 01 Aug 2022
| 01 Aug 2022
Ocean alkalinity enhancement – avoiding runaway CaCO3 precipitation during quick and hydrated lime dissolution
Charly A. Moras
CORRESPONDING AUTHOR
Faculty of Science and Engineering, Southern Cross University,
Lismore, NSW, Australia
Lennart T. Bach
Ecology & Biodiversity, Institute for Marine and Antarctic Studies,
University of Tasmania, Hobart, TAS, Australia
Tyler Cyronak
Department of Marine and Environmental Sciences, Nova Southeastern
University, Fort Lauderdale, FL, USA
Renaud Joannes-Boyau
Faculty of Science and Engineering, Southern Cross University,
Lismore, NSW, Australia
Kai G. Schulz
Faculty of Science and Engineering, Southern Cross University,
Lismore, NSW, Australia
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Cited
22 citations as recorded by crossref.
- Seawater alkalinity enhancement with magnesium hydroxide and its implication for carbon dioxide removal B. Yang et al. 10.1016/j.marchem.2023.104251
- Potential capture and conversion of CO2 from oceanwater through mineral carbonation W. Zhuang et al. 10.1016/j.scitotenv.2023.161589
- Counting (on) blue carbon—Challenges and ways forward for carbon accounting of ecosystem-based carbon removal in marine environments N. Mengis et al. 10.1371/journal.pclm.0000148
- Disentangling artificial and natural benthic weathering in organic rich Baltic Sea sediments M. Fuhr et al. 10.3389/fclim.2023.1245580
- Broaden Research on Ocean Alkalinity Enhancement to Better Characterize Social Impacts S. Nawaz et al. 10.1021/acs.est.2c09595
- A biogeochemical model of mineral-based ocean alkalinity enhancement: impacts on the biological pump and ocean carbon uptake M. Fakhraee et al. 10.1088/1748-9326/acc9d4
- Enhanced olivine dissolution in seawater through continuous grain collisions G. Flipkens et al. 10.1016/j.gca.2023.09.002
- Light and carbon: Synthetic biology toward new cyanobacteria-based living biomaterials I. Goodchild-Michelman et al. 10.1016/j.mtbio.2023.100583
- Assessing the technical aspects of ocean-alkalinity-enhancement approaches M. Eisaman et al. 10.5194/sp-2-oae2023-3-2023
- Towards green carbon capture and storage using waste concrete based seawater: A microfluidic analysis A. Ratanpara et al. 10.1016/j.jenvman.2023.118760
- The additionality problem of ocean alkalinity enhancement L. Bach 10.5194/bg-21-261-2024
- Alkaline mineral addition to anoxic to hypoxic Baltic Sea sediments as a potentially efficient CO2-removal technique M. Fuhr et al. 10.3389/fclim.2024.1338556
- Experimental investigation of multiple industrial wastes for carbon dioxide removal strategies L. Bullock et al. 10.1016/j.ijggc.2023.103990
- Fight for carbon neutrality with state-of-the-art negative carbon emission technologies J. Fu et al. 10.1016/j.eehl.2022.11.005
- Marine methods for carbon dioxide removal: fundamentals and myth-busting for the wider community E. Rohling 10.1093/oxfclm/kgad004
- Climate targets, carbon dioxide removal, and the potential role of ocean alkalinity enhancement A. Oschlies et al. 10.5194/sp-2-oae2023-1-2023
- Simulated Impact of Ocean Alkalinity Enhancement on Atmospheric CO2 Removal in the Bering Sea H. Wang et al. 10.1029/2022EF002816
- Stability of alkalinity in ocean alkalinity enhancement (OAE) approaches – consequences for durability of CO2 storage J. Hartmann et al. 10.5194/bg-20-781-2023
- Considerations for hypothetical carbon dioxide removal via alkalinity addition in the Amazon River watershed L. Mu et al. 10.5194/bg-20-1963-2023
- Limits and CO2equilibration of near-coast alkalinity enhancement J. He & M. Tyka 10.5194/bg-20-27-2023
- Microbial ecosystem responses to alkalinity enhancement in the North Atlantic Subtropical Gyre A. Subhas et al. 10.3389/fclim.2022.784997
- Electrolytic Seawater Mineralization and the Mass Balances That Demonstrate Carbon Dioxide Removal E. La Plante et al. 10.1021/acsestengg.3c00004
16 citations as recorded by crossref.
- Seawater alkalinity enhancement with magnesium hydroxide and its implication for carbon dioxide removal B. Yang et al. 10.1016/j.marchem.2023.104251
- Potential capture and conversion of CO2 from oceanwater through mineral carbonation W. Zhuang et al. 10.1016/j.scitotenv.2023.161589
- Counting (on) blue carbon—Challenges and ways forward for carbon accounting of ecosystem-based carbon removal in marine environments N. Mengis et al. 10.1371/journal.pclm.0000148
- Disentangling artificial and natural benthic weathering in organic rich Baltic Sea sediments M. Fuhr et al. 10.3389/fclim.2023.1245580
- Broaden Research on Ocean Alkalinity Enhancement to Better Characterize Social Impacts S. Nawaz et al. 10.1021/acs.est.2c09595
- A biogeochemical model of mineral-based ocean alkalinity enhancement: impacts on the biological pump and ocean carbon uptake M. Fakhraee et al. 10.1088/1748-9326/acc9d4
- Enhanced olivine dissolution in seawater through continuous grain collisions G. Flipkens et al. 10.1016/j.gca.2023.09.002
- Light and carbon: Synthetic biology toward new cyanobacteria-based living biomaterials I. Goodchild-Michelman et al. 10.1016/j.mtbio.2023.100583
- Assessing the technical aspects of ocean-alkalinity-enhancement approaches M. Eisaman et al. 10.5194/sp-2-oae2023-3-2023
- Towards green carbon capture and storage using waste concrete based seawater: A microfluidic analysis A. Ratanpara et al. 10.1016/j.jenvman.2023.118760
- The additionality problem of ocean alkalinity enhancement L. Bach 10.5194/bg-21-261-2024
- Alkaline mineral addition to anoxic to hypoxic Baltic Sea sediments as a potentially efficient CO2-removal technique M. Fuhr et al. 10.3389/fclim.2024.1338556
- Experimental investigation of multiple industrial wastes for carbon dioxide removal strategies L. Bullock et al. 10.1016/j.ijggc.2023.103990
- Fight for carbon neutrality with state-of-the-art negative carbon emission technologies J. Fu et al. 10.1016/j.eehl.2022.11.005
- Marine methods for carbon dioxide removal: fundamentals and myth-busting for the wider community E. Rohling 10.1093/oxfclm/kgad004
- Climate targets, carbon dioxide removal, and the potential role of ocean alkalinity enhancement A. Oschlies et al. 10.5194/sp-2-oae2023-1-2023
6 citations as recorded by crossref.
- Simulated Impact of Ocean Alkalinity Enhancement on Atmospheric CO2 Removal in the Bering Sea H. Wang et al. 10.1029/2022EF002816
- Stability of alkalinity in ocean alkalinity enhancement (OAE) approaches – consequences for durability of CO2 storage J. Hartmann et al. 10.5194/bg-20-781-2023
- Considerations for hypothetical carbon dioxide removal via alkalinity addition in the Amazon River watershed L. Mu et al. 10.5194/bg-20-1963-2023
- Limits and CO2equilibration of near-coast alkalinity enhancement J. He & M. Tyka 10.5194/bg-20-27-2023
- Microbial ecosystem responses to alkalinity enhancement in the North Atlantic Subtropical Gyre A. Subhas et al. 10.3389/fclim.2022.784997
- Electrolytic Seawater Mineralization and the Mass Balances That Demonstrate Carbon Dioxide Removal E. La Plante et al. 10.1021/acsestengg.3c00004
Latest update: 24 Apr 2024
Short summary
This research presents the first laboratory results of quick and hydrated lime dissolution in natural seawater. These two minerals are of great interest for ocean alkalinity enhancement, a strategy aiming to decrease atmospheric CO2 concentrations. Following the dissolution of these minerals, we identified several hurdles and presented ways to avoid them or completely negate them. Finally, we proceeded to various simulations in today’s oceans to implement the strategy at its highest potential.
This research presents the first laboratory results of quick and hydrated lime dissolution in...
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