Holger Lippold
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View article: Tritium Separation from Gaseous 1,2,3H Isotopologue Mixtures by Selective Adsorption on Ag-Exchanged Zeolite Type Y
Tritium Separation from Gaseous 1,2,3H Isotopologue Mixtures by Selective Adsorption on Ag-Exchanged Zeolite Type Y Open
Efficient separation of hydrogen isotopologues is crucial for applications such as the recycling of exhaust streams in nuclear fusion reactors. Using thermal desorption spectroscopy (TDS), we report, for the first time, on separation exper…
View article: Graphene structure modification under tritium exposure: 3H chemisorption dominates over defect formation by \b{eta}-radiation
Graphene structure modification under tritium exposure: 3H chemisorption dominates over defect formation by \b{eta}-radiation Open
Potential structural modifications of graphene exposed to gaseous tritium are important for membrane-based hydrogen isotope separation. Such modifications cannot be explained by electron irradiation alone. Instead, tritiation, caused by th…
View article: Joint project: Geochemical retention of radionuclides on cement alteration phases (GRaZ) - Subproject B
Joint project: Geochemical retention of radionuclides on cement alteration phases (GRaZ) - Subproject B Open
The report summarizes the results obtained by the Institute of Resource Ecology of the Helmholtz-Zentrum Dresden-Rossendorf within the BMWi-financed Joint Research Project “Geochemical retention of radionuclides on cement alteration phases…
View article: Low Carbon Footprint Recycling of Post‐Consumer PET Plastic with a Metagenomic Polyester Hydrolase
Low Carbon Footprint Recycling of Post‐Consumer PET Plastic with a Metagenomic Polyester Hydrolase Open
Earth is flooded with plastics and the need for sustainable recycling strategies for polymers has become increasingly urgent. Enzyme‐based hydrolysis of post‐consumer plastic is an emerging strategy for closed‐loop recycling of polyethylen…
View article: Computer Simulation of the Ternary Problem – Technical Aspects and Possibilities ⁎ ⁎The development of the proposed approaches was supported by the Technology Agency of the Czech Republic under the project no. TH02030069.
Computer Simulation of the Ternary Problem – Technical Aspects and Possibilities ⁎ ⁎The development of the proposed approaches was supported by the Technology Agency of the Czech Republic under the project no. TH02030069. Open
Interaction between groundwater contaminants (e.g. radioactive elements), soil and humic matter plays a crucial role in transport prognoses. This type of interaction, denoted as the ternary problem, may speed up propagation of a contaminan…
View article: Final Report (BMWi Project No.: 02 E 10971): Joint project: Retention of radionuclides relevant for final disposal in natural clay rock and saline systems - Subproject 2: Geochemical behavior and transport of radionuclides in saline systems in the prese
Final Report (BMWi Project No.: 02 E 10971): Joint project: Retention of radionuclides relevant for final disposal in natural clay rock and saline systems - Subproject 2: Geochemical behavior and transport of radionuclides in saline systems in the prese Open
The objective of this project was to study the influence of increased salinities on interaction processes in the system radionuclide – organics – clay – aquifer. For this, complexation, redox, sorption, and diffusion studies were performed…
View article: Complexation and Adsorption of [152Eu]Eu to Superplasticizers and Bentonite at Variable Salt Concentrations
Complexation and Adsorption of [152Eu]Eu to Superplasticizers and Bentonite at Variable Salt Concentrations Open
The preferred method for the storage of spent nuclear fuel (HLW) is the disposal in deep geological formations. The repository will consist not only of the geological barrier but also of an engineered barrier and has to isolate the waste f…