Microfluidic investigation of pore-size dependency of barite nucleation
J Poonoosamy, A Obaied, G Deissmann… - Communications …, 2023 - nature.com
The understanding and prediction of mineral precipitation processes in porous media are
relevant for various energy-related subsurface applications. While it is well known that …
relevant for various energy-related subsurface applications. While it is well known that …
EURAD state-of-the-art report on the understanding of radionuclide retention and transport in clay and crystalline rocks
N Maes, S Churakov, M Glaus, B Baeyens… - Frontiers in Nuclear …, 2024 - frontiersin.org
After isolation of radioactive waste in deep geological formations, radionuclides can enter
the biosphere via slow migration through engineered barriers and host rocks. The amount of …
the biosphere via slow migration through engineered barriers and host rocks. The amount of …
Microfluidic flow-through reactor and 3D Raman imaging for in situ assessment of mineral reactivity in porous and fractured porous media
J Poonoosamy, C Soulaine, A Burmeister… - Lab on a Chip, 2020 - pubs.rsc.org
An in-depth understanding of dissolution and precipitation of minerals in porous and
fractured porous media and the complex feedback on the transport of fluids is essential for …
fractured porous media and the complex feedback on the transport of fluids is essential for …
Studies of Mineral Nucleation and Growth Across Multiple Scales: Review of the Current State of Research Using the Example of Barite (BaSO4)
Sparingly soluble sulfate minerals, particularly barite (BaSO4), present an ideal system to
understand mineral–water interfacial reactions. The model system barite has been used to …
understand mineral–water interfacial reactions. The model system barite has been used to …
Effects of solution supersaturation on barite precipitation in porous media and consequences on permeability: Experiments and modelling
J Poonoosamy, M Klinkenberg, G Deissmann… - … et cosmochimica acta, 2020 - Elsevier
The understanding of porosity evolution in porous media due to mineral reactions and its
impact on the transport of fluids and solutes is important, as this is a key factor in the long …
impact on the transport of fluids and solutes is important, as this is a key factor in the long …
A lab-on-a-chip approach integrating in-situ characterization and reactive transport modelling diagnostics to unravel (Ba,Sr)SO4 oscillatory zoning
The co-precipitation of sulphate minerals such as celestine and barite is widely studied
because their formation is ubiquitous in natural and anthropogenic systems. Co-precipitation …
because their formation is ubiquitous in natural and anthropogenic systems. Co-precipitation …
The use of microfluidic platforms with Raman spectroscopy for investigating the co-precipitation of metals and radionuclides in carbonates
J Poonoosamy, A Kaspor, S Rudin, GL Murphy… - Minerals, 2023 - mdpi.com
In the context of long-term safety assessments of deep geological repositories for radio-
active wastes, a rigorous understanding of the retention of radionuclides such as 226Ra due …
active wastes, a rigorous understanding of the retention of radionuclides such as 226Ra due …
Research for the Safe Management of Nuclear Waste at Forschungszentrum Jülich: Materials Chemistry and Solid Solution Aspects
The safe management of high‐level nuclear wastes, including their final disposal in a deep
geological repository, requires a sound scientific understanding of the processes affecting …
geological repository, requires a sound scientific understanding of the processes affecting …
Combination of MRI and SEM to assess changes in the chemical properties and permeability of porous media due to barite precipitation
J Poonoosamy, S Haber-Pohlmeier, H Deng… - Minerals, 2020 - mdpi.com
The understanding of the dissolution and precipitation of minerals and its impact on the
transport of fluids in porous media is essential for various subsurface applications, including …
transport of fluids in porous media is essential for various subsurface applications, including …
A radiochemical lab-on-a-chip paired with computer vision to unlock the crystallization kinetics of (Ba,Ra)SO4
J Poonoosamy, A Kaspor, C Schreinemachers… - Scientific Reports, 2024 - nature.com
Abstract (Ra, Ba) SO4 solid solutions are commonly encountered as problematic scales in
subsurface energy-related applications, eg, geothermal systems, hydraulic fracturing …
subsurface energy-related applications, eg, geothermal systems, hydraulic fracturing …