A5103051138- Chemical Looping and Thermochemical Processes
- Catalysts for Methane Reforming
- Catalytic Processes in Materials Science
- Catalysis for Biomass Conversion
- Catalysis and Hydrodesulfurization Studies
- Thermal and Kinetic Analysis
- Industrial Gas Emission Control
- Process Optimization and Integration
- Carbon Nanotubes in Composites
- Advancements in Solid Oxide Fuel Cells
- Fiber-reinforced polymer composites
- Nanotechnology research and applications
- Nuclear Materials and Properties
- Electrocatalysts for Energy Conversion
- Coal and Its By-products
- Carbon Dioxide Capture Technologies
- Advanced materials and composites
- Recycling and Waste Management Techniques
- Iron and Steelmaking Processes
- Hydraulic Fracturing and Reservoir Analysis
- Reservoir Engineering and Simulation Methods
- Spectroscopy Techniques in Biomedical and Chemical Research
- Membrane Separation and Gas Transport
- Nanoparticles: synthesis and applications
- Catalysis and Oxidation Reactions
IVL Swedish Environmental Research Institute
2022
Tecnalia
2022
Chalmers University of Technology
2012-2021
Energy Safety Research Institute
2019-2021
Swansea University
2019-2021
Laboratoire de Génie des Procédés – Environnement – Agro-alimentaire
2015-2016
Universitat Politècnica de Catalunya
2014-2016
Shahid Chamran University of Ahvaz
2011
Two oxygen carriers were tested with respect to chemical looping combustion (CLC) and gasification (CLG). Ilmenite, a natural ore composed mainly of iron–titanium oxide, LD Slag, an iron-based industrial waste, investigated at 850 900 °C in continuous operation 0.3 kW chemical-looping reactor system using synthetic biomass volatiles as fuel. CLC CLG conditions simulated the fuel by changing flow rates. In case ilmenite syngas yield methane conversion increased rate. Consequently, hydrocarbon...
Perovskite materials of the type CaxLa1–xMn1–yMyO3−δ (M = Mg, Ti, Fe, or Cu) have been investigated as oxygen carriers for chemical-looping with uncoupling (CLOU) process. The carrier particles were produced by mechanical homogenization primary solids in a rotary evaporator, followed extrusion and calcination at 1300 °C 6 h. characteristics substituted perovskites developed this work evaluated laboratory-scale fluidized-bed reactor temperature range 900–1000 during alternating reducing...
Oxygen carrier particles consisting of 60 wt % copper, iron, or manganese oxide supported on 40 ceria (CeO2) gadolinia doped-ceria (Ce0.9Gd0.1O1.9) have been manufactured and examined as oxygen materials for chemical-looping combustion (CLC). Unlike conventional support materials, such alumina (Al2O3), these ceria-based are active under prevailing conditions in the fuel reactor ability to participate redox reactions. The were synthesized via extrusion by successive oxidation reduction cycles...
Two manganese ores with different iron content were investigated as oxygen carriers for chemical looping conversion of simulated biomass volatiles. The aim was to study the performance regards combustion and potential use chemical-looping gasification wood-based biomass. studied in a 300 W reactor system circulation between fluidized air fuel reactors. temperature 850–900 °C flow rates 0.6–3 Lmin−1. Mn ore higher showed significant release at 900 under inert conditions, well full CO, H2...
In chemical-looping combustion, the oxygen needed for combustion of fuel is provided by metal oxides called carriers, and inherent separation CO2 achieved without energy penalty. For gaseous fuels, such as natural gas, Ni-based carriers have generally been shown to be most reactive. But materials are burdened high costs environmental risks with respect toxicity, it importance find viable non-Ni alternatives. EU-financed project INNOCUOUS, one key issues novel based carriers. this paper...
Chemical-looping combustion (CLC) and chemical-looping with oxygen uncoupling (CLOU) are attractive alternatives to conventional that provide efficient direct separation of CO2. Both processes use metaloxides as carriers transfer between two reactor vessels: the air fuel reactors. Although monometallic oxides (such Mn3O4, Fe2O3, NiO, CuO) have been successfully employed carriers, double general formula CuxMn3_xO4 in CuO–Mn2O3 system examined this work. The carrier was produced by mixing,...
The manganese based ilmenite analogue pyrophanite (MnTiO3) and six other combined (Fe1-xMnx)TiyO3 oxides have been examined as oxygen-carrier materials for chemical-looping combustion (CLC) with oxygen uncoupling (CLOU). Particles different compositions were manufactured by spray drying studied consecutive reduction oxidation at 850-1050 °C in a batch fluidized-bed reactor using CH4 fuel. A fuel conversion of 80-99% could be achieved most materials, formulations being favored temperature...
The global plastics crisis has recently focused scientists’ attention on finding technical solutions for the ever-increasing oversupply of plastic waste. Black is one greatest contributors to landfill waste, because it cannot be sorted using industrial practices based optical reflection. However, can readily upcycled into carbon nanotubes (CNTs) a novel liquid injection reactor (LIR) chemical vapor deposition (CVD) method. In this work, CNTs were formed black and white polystyrene...
Chemical looping combustion (CLC) is a novel concept that transfers oxygen from air to fuel using an carrier circulates between reactor and reactor. Thus, the products, H2O CO2, are obtained in separate flow, ideally, pure CO2 gas stream after condensation of H2O. Consequently, CLC has unique potential for avoiding high costs energy penalties capture. Further, NO emissions can potentially be avoided. flameless, temperature too low formation thermal NOx. Moreover, NOx prompt do not form...
Raman spectroscopy has been commonly used in materials science to detect chemicals. Based on inelastic scattering of light after incident photons interact with a molecule, it high potential for non-destructive detection specific contaminants living biological specimens. The increasing use carbon nanotubes (CNTs) increases its chance enter the aquatic habitats through direct discharge, surface runoff and atmospheric deposition, but their environmental impacts remain poorly known. We tested...
Pelissier, Jean, SPE, Societe Nationale Elf Aquitaine (P) Hedayati, Ali Akbar, SOFRAN Abgrall, Edouard, Plique, Jacques, A sharply tilted water/oil contact was encountered in two Iranian fields, Sirri-D and Sirri-C, confirming strong hydrodynamic-activity reservoir, offshore Iran. Studies of remaining oil on cores showed discrepancies related to the interface. These results a mathematical model enabled determination nearby oilfield, Sirri-E, with good probability. Introduction The discovery...
For every three people on the planet, there are approximately two Tonnes (Te) of plastic waste. We show that carbon recovery from polystyrene (PS) is enhanced by coaddition solvents to grow nanotubes (CNTs) liquid injection chemical vapour deposition. Polystyrene was loaded up 4 wt% in toluene and heated 780 °C presence a ferrocene catalyst hydrogen/argon carrier gas at 1:19 ratio. High resolution transmission electron microscopy (HRTEM), scanning (SEM), thermogravimetric analysis (TGA)...
Hydrogen is considered as a clean energy carrier that can be converted to electricity by fuel cell with high efficiency. To economically feasible and comparable, hydrogen needs liquefied, compressed, or adsorbed in metallic hydrides large scale prior the transfer. This requires very pressure low temperature, which make risk during transfer delivery. Hence, it highly beneficial produce consume pure at same place/time. The use of renewable biofuels such bio-ethanol source due higher H/C ratio,...
For every three people on the planet there is approximately two Tonne (Te) of available plastic waste. We show that carbon recovery from polystyrene (PS) enhanced by co-addition to solvents grow nanotubes (CNTs) liquid injection chemical vapour deposition. Polystyrene was loaded up 4 wt% in toluene and heated 780 °C presence a ferrocene catalyst hydrogen/argon carrier gas 1:19 ratio. High resolution transmission electron microscopy (HRTEM), scanning (SEM), thermogravimetric analysis...
Abstract The aim of this work is the investigation several CO 2 adsorbents such as three synthetic zeolites (4A, 5A, and 13X), a natural zeolite (clinoptilolite), an activated carbon (AC), metal organic framework (MOF‐MIL‐53) for postcombustion capture via temperature‐pressure swing adsorption. were evaluated in terms adsorption capacity performance during successive adsorption–desorption cycles at different conditions (1–6 bar 120–180°C) using mixtures gases simulating combustion process...