Adrien Gomez

IFP Energies nouvelles · Energy Application Techniques Division

The conversion of sugarcane, the world's largest crop, to energy vectors, namely first and second-generation ethanol and electricity, is an ongoing scientific endeavor. This conversion makes use of complex processes with numerous unit operations and process blocks addressed in literature. Such processes have also been the subject of detailed thermo...

This article applies a systematic methodology to the optimization and comparison of two sugarcane conversion processes of great potential: the production of first generation ethanol and electricity in an integrated distillery and cogeneration plant (1G+COGEN), and the production of first and second generation ethanol and electricity in an integrate...

The application of systematic methodologies for the optimal design of integrated processes has seen increased interest in literature, namely for bioprocesses. The development and application of such a methodology to ethanol and power production from sugarcane and leaves, in a combined distillery and cogeneration plant is investigated in this articl...

Les développements de nouveaux catalyseurs plus performants sont résolument orientés vers la sobriété énergétique sur tout leur cycle de vie, de leur fabrication, en passant par leur utilisation et jusqu’à leur éventuel recyclage. Ces développements visent concrètement à diminuer l’intensité des conditions réactionnelles (température, pression), to...

The application of methodologies for the optimal design of integrated processes has seen increased interest in literature. This article builds on previous works and applies a systematic methodology to an integrated first and second generation ethanol production plant with power cogeneration. The methodology breaks into process simulation, heat inte...

The objective of the ACACIA project was to develop processes for post-combustion CO 2 capture at a lower cost and with a higher energetic efficiency than first generation processes using amines such as MonoEthanolAmine (MEA) which are now considered for the first Carbon Capture and Storage (CCS) demonstrators. The partners involved in this project...

Environmental issues, related to greenhouse gas and among them CO2, are becoming short term challenges. Pressure on industries and therefore on refining to limit and manage CO2 emissions will be reinforced in next few years. Refining industry is responsible for about 2.7% of global CO2 emissions. Fluidized Catalytic Cracking unit (FCC), one of the...

The production of ethanol from lignocellulosic biomass has gained increased interest in recent years, notably in the context of valorising agricultural by-products and providing fuels from renewable sources In order to increase their competitiveness, the energy demand of such processes needs to be minimised. This issue procures two benefits : (1) r...

Carbon Capture and Storage (CCS) is one important option for CO2 mitigation (Inter-national Energy Agency, 2009). Post-combustion capture processes using amines are considered one of the preferred options for CCS. However, the cost of avoided CO2 is very large and must be reduced. The present article aims to show that combining different simulation...

CO2 capture processes based on dry solid sorbents have been praised as a very attractive alternative to absorption by amine solvents (in particular monoethanolamine) in terms of energy consumption. The present paper critically analyzes these very optimistic predictions. It presents a theoretical analysis of three different temperature swing adsorpt...

Membrane contactors have been proposed for decades as a way to achieve intensified mass transfer processes. Post-combustion CO2 capture by absorption into a chemical solvent is one of the currently most intensively investigated topics in this area. Numerous studies have already been reported, unfortunately almost systematically on small, laboratory...

A techno-economic analysis was completed to compare the use of Hollow Fiber Membrane Modules (HFMM) with the more conventional structured packing columns as the absorber in amine-based CO2 capture systems for power plants. In order to simulate the operation of industrial scale HFMM systems, a two-dimensional model was developed and validated based...

The current state-of-the-art post-combustion capture technology is absorption of CO2 by an aqueous monoethanolamine (MEA) solution. MEA has a very strong affinity to CO2 and captures CO2 efficiently even at low partial pressure, but the regeneration of the solvent by heating requires a large amount of energy. Moreover, degradation of the amine by o...

To make the deployment of carbon capture possible, it is highly needed to develop original solutions that induce low energy penalty and that are easy to operate. This paper aims at presenting the DMX™ process developed at IFP Energies nouvelles based on special solvents which are characterized by the formation of two immiscible phases for given tem...

It is now well known that “first generation” MEA based post-combustion carbon capture process requires high energy consumption and have problems with solvent degradation due to oxygen. Nevertheless, it is the only available process for first industrial units. That is why IFP, has developed HiCapt+ process, based on a conventional MEA but using high...

Carbon Capture and Storage is one of the main option for CO2 mitigation [1]. Post-combustion capture processes using amines are considered as one of the preferred options for CCS; however, the cost of avoided CO2 is very large and must be significantly reduced [2]. Many works are presently dealing with identifying new solvents, with a particular fo...

Development of a technico-economic optimization strategy of cogeneration systems of electricity/hydrogen, consists in finding an optimal efficiency of the generating cycle and heat delivery system, maximizing the energy production and minimizing the production costs. The first part of the paper is related to the development of a multiobjective opti...

One of the great motivations of studying and developing Generation IV (Gen IV) reactors of VHTR (Very High Temperature Reactor) design is their capacity to efficiently produce both electricity and H2 (hydrogen). This study aims at developing an optimization methodology for cogeneration systems of hydrogen and electricity, with respect to energy con...

This article deals to the application of exergy concept to the energy production system involving a VHTR (Very High Temperature Reactor) coupled with an innovative electricity-generating cycle. The objective is to propose a general formulation to quantify the exergy destruction of the involved process components embedded in a thermodynamic simulato...

Face aux préoccupations environnementales de plus en plus pressantes, telles que la maîtrise des rejets de gaz à effet de serre, et face à l'épuisement annoncé des réserves d'énergies fossiles, l'hydrogène est perçu comme un vecteur énergétique prometteur. Un des principaux enjeux technologiques d'une future économie de l'hydrogène est sa productio...

One of the great motivations of studying and developing Generation IV (Gen IV) reactors of VHTR (Very High Temperature Reactor) design concept is their capacity to efficiently produce both electricity and H2 (hydrogen). This study aims at developing an optimization methodology for cogeneration systems of H2 and electricity, from Gen IV nuclear reac...

Engineering design problems are usually characterized by the presence of many conflicting objectives that the design has to fulfill. Therefore, it is natural to look at many engineering problems as multi-objective optimization problems, with continuous and integer variables. The case is commonly encountered in several process systems engineering pr...