Publications de Marina Micari | EPFL Graph Search

Graphene membranes with pyridinic nitrogen at pore edges for high-performance CO2 capture

Kumar Varoon Agrawal, Kuang-Jung Hsu, Marina Micari, Xuekui Duan, Shuqing Song, Luis Francisco Villalobos Vazquez de la Parra, Shiqi Huang, Shaoxian Li, Heng-Yu Chi, Liping Zhong

Membranes based on a porous two-dimensional selective layer offer the potential to achieve exceptional performance to improve energy efficiency and reduce the cost for carbon capture. So far, separation from two-dimensional pores has exploited differences ...

Nature Portfolio2024

Atmospheric water harvesting in semi-arid regions by membranes: A techno-economic assessment

Kumar Varoon Agrawal, Marina Micari, Xuekui Duan

The availability of a reliable and sufficient amount of water constitutes one of the Sustainable Development Goals set by the United Nations. The provision of water is still challenging in many regions of the world, especially in arid and semi-arid regions ...

ELSEVIER2023

Oxygen enrichment of air: Performance guidelines for membranes based on techno-economic assessment

Kumar Varoon Agrawal, Marina Micari

The use of oxygen-enriched air (OEA) is an important strategy for reducing process cost and CO2 emissions in several industrial processes. Membrane-based processes, attributing to their high energy efficiency, are promising alternatives to cryogenic distil ...

ELSEVIER2022

Rapid Gas Transport from Block-Copolymer Templated Nanoporous Carbon Films

Kumar Varoon Agrawal, Kuang-Jung Hsu, Marina Micari, Xuekui Duan, Luis Francisco Villalobos Vazquez de la Parra, Mostapha Dakhchoune, Jing Zhao

Porous carbon films, attributed to their superior thermal and chemical robustness, are attractive for a number of applications. In the context of molecular separation, a major focus has been on films where the effective pore diameter is lower than 1 nm, e. ...

AMER CHEMICAL SOC2021

Millisecond lattice gasification for high-density CO2- and O2-sieving nanopores in single-layer graphene

Emad Oveisi, Kumar Varoon Agrawal, Mounir Driss Mensi, Marina Micari, Luis Francisco Villalobos Vazquez de la Parra, Mostapha Dakhchoune, Shiqi Huang, Shaoxian Li, Deepu Joseph Babu

Etching single-layer graphene to incorporate a high pore density with sub-angstrom precision in molecular differentiation is critical to realize the promising high-flux separation of similar-sized gas molecules, e.g., CO2 from N2. However, rapid etching ki ...

2021

Techno-economic assessment of postcombustion carbon capture using high-performance nanoporous single-layer graphene membranes

Kumar Varoon Agrawal, Marina Micari, Mostapha Dakhchoune

High-performance membranes have emerged as an energy-efficient alternative to absorption-based postcombustion carbon capture. So far, the techno-economic analyses have been centered around the polymeric membranes. Recently, nanoporous single-layer graphene ...

2021

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