Serpentinization and carbonation of ultramafic formations is a ubiquitous phenomenon, which deeply influences the biogeochemical cycles water, hydrogen, carbon... while supporting particular biosphere around oceanic hydrothermal vents. Carbonation peridotites other mafic rocks also hot topic in current energy landscape as engineered sequestration mineral CO2 these could help reduce atmospheric ...

Enhanced weathering (EW) of silicate rocks can remove CO 2 from the atmosphere, while potentially delivering co-benefits for agriculture (e.g., reduced nitrogen losses, increased yields). However, quantification inorganic carbon sequestration through EW and potential risks in terms heavy metal contamination have rarely been assessed. Here, we investigate a mesocosm experiment with Solanum tuber...

Hydrogen storage is one of the energy methods that can help realization an emission free future by saving surplus renewable for deficit periods. Utilization depleted hydrocarbon reservoirs large-scale hydrogen may be associated with risk chemical/biochemical reactions. In specific case chalk reservoirs, principal reactions are abiotic calcite dissolution, acetogenesis, methanogenesis and biolog...

Abstract In this study, an attempt was made to understand the hydrogeochemical processes controlling water resources (surface and groundwater) evolution in El Fayoum depression, Egypt. Hydrochemical, inverse geochemical modeling integrated with environmental isotopes applied. Forty-three surface groundwater samples were collected analyzed for major chemistry (cations, anions) stable (δ 18 O, δD...

The Lake Sidi Boughaba is a Ramsar site (1980) located on the Atlantic coast of north-west Morocco. It oriented NNE - SSW and in secondary interdunal depression formed complex main wetlands waters this lake are deteriorating quality, with increasing salinization. To identify processes chemical reactions that govern salinization, major elements as well pH, electrical conductivity salinity were m...

Abstract. Advances in computing and experimental capabilities the research of water-rock-interactions require geoscientists to routinely combine laboratory data models produce new knowledge. Data science is hence a more pervasive instrument for geochemists, which turn demands flexible easy learn software adaptable their specific needs. The GNU R language programming environment has established ...

A new analytic approach is presented for determining the total volatile fatty acids (VFAT) concentration in anaerobic digesters. The relies on external determination of inorganic carbon (CT) analyzed solution, along with two strong-acid titration points. CT can be determined by either a direct analysis (e.g., using TOC device) or estimating it from recorded partial pressure CO2(g) biogas (often...