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Energy consumption assessment of silicate rock comminution options for enhanced weathering
Journal of Environmental ManagementCarbon dioxide removal technologies are essential for limiting global warming. Enhanced silicate rock weathering in agricultural settings has evolved as a viable negative emissions technology due to its significant carbon sequestration potential and improved crop yields.
Almaz Akhmetov +6 more
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Destabilization of carbon in tropical peatlands by enhanced rock weathering
Southeast Asian peatlands represent a globally significant carbon store. Recent land use changes destabilize the peat, causing increased leaching of peat carbon into rivers. Despite resulting high river organic carbon concentrations, field data suggests only moderate carbon dioxide (CO2) emissions from rivers.Alexandra Klemme +4 more
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The impact of enhanced rock weathering on soil organic carbon
Terrestrial enhanced rock weathering (ERW) is a geoengineering technique that amends soils with crushed magnesium (Mg) and calcium (Ca) rich silicate rock to accelerate carbon dioxide removal (CDR) with the production of dissolved and solid carbonates. Although ERW is projected to store large amounts of inorganic carbon, up to 2 Pg carbon (C) per year (Maria Rivera +3 more
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Experimental insights into the role of running waters in Enhanced Rock Weathering
Rivers transport and transform products of chemical weathering, yet the processes governing carbonate precipitation, biotic transformation and fixation of enhanced rock weathering products remain poorly constrained. We conducted a controlled stream flume experiment manipulating simulated basalt-amended runoff across six ERW levels (0–100 t ha⁻¹) in ...Samuel Macaulay +3 more
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Environmental Science & Technology
Enhanced rock weathering (ERW) is a carbon dioxide removal (CDR) strategy that stores atmospheric CO2 permanently in carbonates. Recent ERW literature has highlighted potential co-benefits from cropland ERW application, including reduced fertilizer requirements and soil N2O emissions.
Jennifer Kroeger +3 more
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Enhanced rock weathering (ERW) is a carbon dioxide removal (CDR) strategy that stores atmospheric CO2 permanently in carbonates. Recent ERW literature has highlighted potential co-benefits from cropland ERW application, including reduced fertilizer requirements and soil N2O emissions.
Jennifer Kroeger +3 more
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Environmental Risks in Atmospheric CO2 Removal Using Enhanced Rock Weathering Are Overlooked
Environmental Science & Technology, 2021Woo-Jung Choi +2 more
exaly
There is currently no consensus in the literature as to whether the mineralogical composition and theoretical weatherability or grain size and surface area of feedstock materials used for carbon capture via enhanced rock weathering are stronger determinants of weathering rates of silicate minerals applied to agricultural soils. Felsic source rocks have
Christiana Dietzen +6 more
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Christiana Dietzen +6 more
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Life Cycle Analysis of Enhanced Rock Weathering
Conference Name: 2024 FECM / NETL Carbon Management Research Project Review Meeting Location: Pittsburgh, PA, United States Start Date: 8/5/2024 12:00:00 AM End Date: 8/9/2024 12:00:00 AMJorge Izar-Tenorio +3 more
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