Concept

Carbon dioxide scrubber

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How could policy address risks from carbon dioxide removal?

Marie-Valentine Renée Agnès Florin

All options for removing CO2 from the atmosphere and sequestering it for the long term must be assessed for their potential to contribute to reducing climate change risk, but also for their uncertainties, limits and possible adverse impacts. ...

2022

Quantitative Design of a New e-Methanol Production Process

Alfred Rufer

In the context of the need to significantly reduce greenhouse gas emissions from personal transportation, a new process for the production of e-methanol is presented. It is a CO2 hydrogenation process, powered mainly by renewable energy sources such as pho ...

MDPI2022

Aluminium is a metal sought in the industry because of its various physical properties. It is produced by an electrolysis reduction process in large cells. In these cells, a large electric current goes through the electrolytic bath and the liquid aluminium ...

EPFL2022

Ensuring the environmental sustainability of emerging technologies

Marie-Valentine Renée Agnès Florin

This report assumes that something can be done to guide technology developers and others towards producing technology that does not cause indirect and delayed damage to the environment. It explores the extent to which environmental sustainability concerns ...

EPFL2022

Numerical Scheme for the Large-scale Geomechanical Simulations of CO2-storage

Emil Gallyamov

CO2 geological storage implies injecting supercritical carbon dioxide in deep geological formations. CO2 geological storage is currently the only available Negative Emission Technology with sufficient proven capabilities to significantly contribute to the ...

2022

What would it take for aviation to become climate-neutral by 2050? We develop and model a trajectory for aviation to reduce its CO2 emissions by 90% by 2050, down to a level where all residual emissions can be removed from the atmosphere without crowding o ...

2022

Swiss Negative Emissions Fund – paying for Net Zero

Philippe Thalmann, Sascha Nick

In this paper, we propose setting up a fund to finance the removal of all Swiss territorial GHG (greenhouse gas) emissions from 2030. The fund will accelerate decarbonization and help reach annual net zero emissions around 2040, and then progressively remo ...

E4S Enterprise for Society2022

Thermodynamic modelling of hydrogen production in sorbent-enhanced biochar-direct chemical looping process

Hydrogen (H-2) has been widely considered the clean energy carrier of choice for emerging renewable energy generation technologies. However, H-2 is a secondary fuel mainly derived from natural gas. Over the past decades, research on developing H-2 producti ...

2022

A data-science approach to predict the heat capacity of nanoporous materials

Berend Smit, Susana Garcia Lopez, Elias Moubarak, Balázs Álmos Novotny, Seyedmohamad Moosavi, Daniele Ongari, Mehrdad Asgari, Andres Adolfo Ortega Guerrero, Özge Kadioglu

The heat capacity of a material is a fundamental property of great practical importance. For example, in a carbon capture process, the heat required to regenerate a solid sorbent is directly related to the heat capacity of the material. However, for most m ...

NATURE PORTFOLIO2022

ClimateBench v1.0: A Benchmark for Data-Driven Climate Projections

You Rao

Many different emission pathways exist that are compatible with the Paris climate agreement, and many more are possible that miss that target. While some of the most complex Earth System Models have simulated a small selection of Shared Socioeconomic Pathw ...

AMER GEOPHYSICAL UNION2022