Adele Brunetti
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View article: Enhanced ammonia decomposition using a Pd-Ag membrane reactor for high-purity hydrogen production
Enhanced ammonia decomposition using a Pd-Ag membrane reactor for high-purity hydrogen production Open
In this study, a Pd-Ag membrane reactor (MR) integrated with a lab-synthesized ruthenium catalyst supported on La2Ce2O7 was used for the efficient production and recovery of highly-pure hydrogen from ammonia decomposition. The catalyst was…
View article: Editorial: Future perspectives on separation technologies
Editorial: Future perspectives on separation technologies Open
Sustainable separation process development is crucial in promoting economic and environmental sustainability. Separation processes can be energy-intensive, and early-stage or emerging separation technologies can also be costly. For instanc…
View article: Hydrogen concentration and purification by membrane process: A multistage analysis
Hydrogen concentration and purification by membrane process: A multistage analysis Open
In this work, the concentration and purification of hydrogen from multicomponent gas mixtures, such as syngas and H2:CH4 blends, were investigated by simulations of multi-stage membrane configurations. In particular, the separation perform…
View article: Renewable biomethane production from biogas upgrading via membrane separation: Experimental analysis and multistep configuration design
Renewable biomethane production from biogas upgrading via membrane separation: Experimental analysis and multistep configuration design Open
In this work, we studied the upgrading of a mixed gas stream having a typical biogas composition by membrane gas separation with the aim of producing a purified biomethane stream. A polyetherimide/polyimide (PEI-PI) membrane module with an…
View article: Long-term performance of highly selective carbon hollow fiber membranes for biogas upgrading in the presence of H2S and water vapor
Long-term performance of highly selective carbon hollow fiber membranes for biogas upgrading in the presence of H2S and water vapor Open
Biogas is an increasingly attractive renewable resource that needs to be upgraded to meet either the natural gas pipeline quality or the biomethane requirement. The use of carbon membranes is a promising alternative to conventional separat…
View article: Multi-step membrane process for biogas upgrading
Multi-step membrane process for biogas upgrading Open
In this work, we proposed a multistep membrane process for the upgrading of a mixture containing 60% of methane and 40% of carbon dioxide, considering three case studies that allow to cover a wide range of CO2 permeability (from 5 to 180 B…
View article: Membrane Engineering for Biogas Valorization
Membrane Engineering for Biogas Valorization Open
Membrane operations nowadays drive the innovative design of important separation, conversion, and upgrading processes, and contribute to realizing the main principles of “green process engineering” in various sectors. In this perspective, …
View article: Editorial: From CO2 Emissions to Fuels and Chemicals: Current Development, Challenges and Perspectives
Editorial: From CO2 Emissions to Fuels and Chemicals: Current Development, Challenges and Perspectives Open
EDITORIAL article Front. Chem. Eng., 09 August 2021Sec. Separation Processes https://doi.org/10.3389/fceng.2021.747399
View article: Selective Mass Transport of CO2 Containing Mixtures through Zeolite Membranes
Selective Mass Transport of CO2 Containing Mixtures through Zeolite Membranes Open
In this work, the main aspects regarding the permeation of mixtures containing CO2 and permanent gases such as H2 , N2 and CH4 through zeolite membranes have been investigated, focusing on the description of the mass transport mechanisms t…
View article: Methanol Conversion to Dimethyl Ether in Catalytic Zeolite Membrane Reactors
Methanol Conversion to Dimethyl Ether in Catalytic Zeolite Membrane Reactors Open
In this work, two ZSM-5 type zeolite supported membranes were used as catalytic membrane reactors for dimethyl ether (DME) synthesis via MeOH dehydration. The membranes, both commercial and tubular, had the same ZSM-5 zeolite layers, but a…
View article: Membrane Condenser for Particulate Abatement from Waste-Gaseous Streams
Membrane Condenser for Particulate Abatement from Waste-Gaseous Streams Open
Membrane Condenser (MC) is a novel membrane contactor operation recently investigated for the valorization of industrial waste gaseous streams. In particular, until now, it was applied for water recovery from flue gas, cooling tower plumes…
View article: Membrane condenser as emerging technology for water recovery and gas pre-treatment: current status and perspectives
Membrane condenser as emerging technology for water recovery and gas pre-treatment: current status and perspectives Open
The recent roadmap of SPIRE initiative includes the development of “new separation, extraction and pre-treatment technologies” as one of the “key actions” for boosting sustainability, enhancing the availability and quality of existing reso…
View article: Recovery of water and contaminants from cooling tower plume
Recovery of water and contaminants from cooling tower plume Open
Membrane assisted condenser is an innovative membrane operation that exploits the hydrophobic nature of microporous membranes to promote water vapor condensation and recovery. It can be used for water and chemicals recovery from waste gase…
View article: Dry Reforming of Methane in a Pd-Ag Membrane Reactor: Thermodynamic and Experimental Analysis
Dry Reforming of Methane in a Pd-Ag Membrane Reactor: Thermodynamic and Experimental Analysis Open
The present work is a study of CO2 Reforming of Methane (DRM) carried out in a catalytic Pd-based membrane reactor. A detailed thermodynamic analysis is carried out, calculating the chemical equilibrium parameters in two different cases: (…
View article: An Integrated Membrane Process for Butenes Production
An Integrated Membrane Process for Butenes Production Open
Iso-butene is an important material for the production of chemicals and polymers. It can take part in various chemical reactions, such as hydrogenation, oxidation and other additions owing to the presence of a reactive double bond. It is u…
View article: CO2/CH4 separation by means of Matrimid hollow fibre membranes
CO2/CH4 separation by means of Matrimid hollow fibre membranes Open
CO2/CH4 mixtures separation was investigated using Matrimid®5218 hollow fibre membranes and measuring the membrane flux feeding singly CH4 and CO2 and their mixtures, with CH4 concentration ranging from 5 to 70 %molar. Specific attention w…
View article: Process Intensification via Membrane Reactors, the DEMCAMER Project
Process Intensification via Membrane Reactors, the DEMCAMER Project Open
This paper reports the findings of a FP7 project (DEMCAMER) that developed materials (catalysts and membranes) and new processes for four industrially relevant reaction processes. In this project, active, stable, and selective catalysts we…
View article: CO<sub>2</sub> conversion in a photocatalytic continuous membrane reactor
CO<sub>2</sub> conversion in a photocatalytic continuous membrane reactor Open
CO2 was photocatalytically reduced over TiO2–Nafion membranes in a continuous flow membrane reactor. MeOH production is considered as a relevant advance over the existing literature results which mostly propose CH4 as the reaction product.