Mechanism of efficient magnetic biochar for typical aqueous organic contaminant combined-adsorption removal

D Guo, J Wu, D Feng, Y Zhang, X Zhu, Z Luo… - Fuel Processing …, 2023 - Elsevier
Magnetic biochar adsorption is one of the most promising technologies for the treatment of
organic pollutants in water, but there are problems of limited adsorption capacity and …

Mobility of Dissolved Gases in Smectites under Saturated Conditions: Effects of Pore Size, Gas Types, Temperature, and Surface Interaction

JP Owusu, K Karalis, NI Prasianakis… - The Journal of …, 2022 - ACS Publications
In a nuclear waste repository, the corrosion of metals and the degradation of the organic
material in the waste matrix can generate significant amounts of gases. These gases should …

[HTML][HTML] Carbon and hydrogen isotope fractionation during aqueous diffusion of benzene

M Enrico, I Le Hécho, H Carrier, G Galliero… - … et Cosmochimica Acta, 2024 - Elsevier
Compound-specific isotope analysis is widely used for evaluating the degradation of organic
compounds in aquifers. We investigated the potential of aqueous diffusion of benzene under …

Diffusive‐Dispersive Isotope Fractionation of Chlorinated Ethenes in Groundwater: The Key Role of Incomplete Mixing and Its Multi‐Scale Effects

H Wienkenjohann, B **, M Rolle - Water Resources Research, 2023 - Wiley Online Library
Diffusive‐dispersive processes are ubiquitous in porous media with important implications
for solute transport in many natural and engineered systems; however, their effects on …

Magnitude of diffusion-and transverse dispersion-induced isotope fractionation of organic compounds in aqueous systems

F Sun, J Peters, M Thullner, OA Cirpka… - … Science & Technology, 2021 - ACS Publications
Determining whether aqueous diffusion and dispersion lead to significant isotope
fractionation is important for interpreting the isotope ratios of organic contaminants in …

[HTML][HTML] Identification of chlorohydrocarbon degradation pathways in aquitards using dual element compound-specific isotope measurements in aquifers

M Lincker, V Lagneau, S Guillon, P Wanner - Chemosphere, 2022 - Elsevier
Compound-specific isotope analysis (CSIA) has been increasingly used to understand and
quantify the (bio) degradation processes affecting chlorohydrocarbons in aquifer-aquitard …

Diffusional isotope fractionation of singly and doubly substituted isotopologues of H2, N2 and O2 during air-water gas transfer

X Cao - Geochimica et Cosmochimica Acta, 2022 - Elsevier
Air-water gas transfer largely influences the geochemical and biogeochemical cycles of
essential atmospheric components (eg O 2 and CO 2), in which gas molecular diffusion in …

Halogen Isotope Studies in Historical Perspective and Future Outlook

H Eggenkamp - The Geochemistry of Stable Chlorine and Bromine …, 2025 - Springer
In 2024 it was 40 years ago that the first major work on chlorine isotopes was published
(Kaufmann 1984). In this PhD thesis Ronald Kaufmann described the first method with which …

Novel Strategies to Guide Sample Preparation for Compound-Specific Isotope Analysis

CC Wabnitz - 2024 - mediatum.ub.tum.de
Numerous research fields, from forensic to environmental sciences, benefit from information
about the variation of stable isotope abundances (eg, by measuring 𝛿13C as the ratio of …

Insights from isotope fractionation on limitations of micropollutant biodegradation—evaluating mass-transfer limitation and biodegradation in a bench-scale aquifer

F Sun - 2021 - mediatum.ub.tum.de
Recent studies in chemostat have shown that mass transfer through the bacterial cell
membrane can become rate-limiting in biodegradation of organic pollutants at low …