Ifp Energies Nouvelles

Total Sa

Total Raffinage Chimie

Ali Hoteit

Thierry Gauthier

Florent Guillou

Ann Forret

Sebastien Rifflart

Sébastien Rifflart

Arnold Lambert

Hélène Stainton

John Roesler

William Pelletant

Guillou Florent

The object of the invention is a combustion method for a solid feed using a chemical loop wherein an oxygen-carrying material circulates, said method comprising at least:

Chemical looping combustion method with a reaction zone including a gas-solid separation zone and plant using same

The invention relates to an improved method for chemical-looping combustion of a solid hydrocarbon-containing feed using a particular configuration of the reduction zone with: a first reaction zone Roperating under dense fluidized bed conditions; a second reaction zone R; a fast separation zone Sfor separation of the unburnt solid feed particles, of fly ashes and of the oxygen-carrying material particles within a mixture coming from zone R; fumes dedusting S; a particle stream division zone D, part of the particles being directly recycled to first reaction zone R, the other part being sent to an elutriation separation zone Sin order to collect the ashes through a lineand to recycle the dense particles through a lineto first reaction zone R. The invention also relates to a chemical-looping combustion plant allowing said method to be implemented.

Chemical-looping combustion method with ashes and fines removal in the reduction zone and plant using same

The invention relates to a method for chemical-looping combustion of a hydrocarbon-containing feedstock, comprising: Optionally, partitioning is carried out in a dedusting zone S, then possibly in a dense phase elutriation separation zone S The invention also relates to a chemical-looping combustion plant allowing said method to be implemented.

Chemical-looping combustion method with dilute phase removal of ashes and fines in the oxidationzone and plant using same

The invention relates to a device and to an improved method for chemical looping combustion of at least one liquid hydrocarbon feed, comprising: mixing the liquid feed with an atomization gas so as to feed it into a metal oxide particle transport zone (), upstream from combustion zone (), through atomization means () allowing to form finely dispersed liquid droplets in the atomization gas; vaporization of the liquid feed in form of droplets into contact with at least part of metal oxide particles in transport zone (), the operating conditions in transport zone () being so selected that the superficial gas velocity after vaporization of the liquid feed is higher than the transport velocity of the metal oxide particles; sending all of the effluents from transport zone () to a combustion zone () allowing reduction of the metal oxide particles, said combustion zone () comprising at least one dense-phase fluidized bed. The invention can be advantageously applied to COcapture and energy production.

Optimised method and device loop combustion on liquid hydrocarbon feedstock

The invention relates to a method for chemical-looping combustion of a solid hydrocarbon-containing feedstock, wherein the ashes and fines are removed at the outlet of reactive oxidation zone Rby sending transported phase () coming from reactive zone R, comprising gas and solid, to a gas-solid separation zone S, then by sending solid stream () coming from gas-solid separation zone Sto a dense phase elutriation separation zone Sfluidized by a non-reducing gas () allowing the fines and the fly ashes to be separated from the oxygen-carrying material particles. Optionally, deeper separation is carried out in a dedusting zone Sarranged downstream from dense phase elutriation separation zone S The invention also relates to a chemical-looping combustion plant allowing the method according to the invention to be implemented.

Chemical-looping combustion method with ashes and fines removal at the oxidation zone outlet and plant using same

The object of the invention is a chemical-looping combustion device utilizing a solid fuel generating unburnt particles and using oxygen-carrying particles such as metallic oxides, and comprising at least one combustion zone and a separator for the particles contained in a gaseous mixture coming from the combustion zone, wherein the separator comprises at least one enclosure () with an intake line () for said mixture, a discharge line () arranged in the lower part of the enclosure and an outlet line () arranged in the upper part of the device, the intake and discharge/outlet parameters being so selected as to create in the enclosure a dense phase in the lower part and a dilute phase in the upper part, and wherein said intake line opens into the dilute phase. The invention also relates to a combustion method implementing the device according to the invention.

Particle separation device for a chemical-looping combustion loop

The invention relates to a method for upgrading heavy liquid fractions resulting from oil refining, by combustion in a fluidized-bed chemical looping process. The method according to the invention allows energy to be produced by oxidizing totally the heavy liquid feeds while allowing direct capture of the COemitted in the combustion fumes. The method according to the invention also allows a synthesis gas to be produced.

Chemical looping method for the combustion of heavy liquid hydrocarbon fractions

The object of the invention is a process for treating bituminous feedstocks wherein the energy required to separate the organic and mineral fractions of said bituminous feedstocks in a treatment unit powered by hot water is provided by chemical looping combustion (CLC).

Integrated process for treatment and gasification of bituminous feedstocks by chemical looping combustion

The invention relates to an energetically self-sufficient syngas production method in at least one chemical loop. The chemical loop involves at least three distinct oxidation, reduction and gasification reaction zones:

Integrated oxidation, reduction and gasification method for chemical looping syngas and energy production

The invention relates to an improved plant and method for chemical looping combustion of at least one hydrocarbon feed with independent control of the circulation of the solid active mass particles between the fluidized bed reaction zones, by means of one or more non-mechanical valves of L-valve type.

Chemical looping combustion method and plant with independent solid circulation control

The present invention relates to a method of preparing synthetic crude oil from a heavy crude reservoir, comprising: (a) extracting the heavy crude oil using a steam technology; (b) separating the crude extracted and the water; (c) separating the crude into at least one light cut and one heavy cut; (d) converting said heavy cut to a lighter product and a residue; (e) optionally, partially or totally hydroprocessing the converted product and/or the light cut(s) obtained upon separation (c); (f) burning and/or gasifying the conversion residue in the presence of metal oxides in at least one chemical looping cycle producing CO-concentrated fumes in order to allow COcapture, the optionally hydroprocessed converted product and light separation cut(s) making up the synthetic crude oil, said combustion allowing to generate steam and/or electricity, and said gasification allowing to generate hydrogen, the steam and/or the electricity thus generated being used for extraction (a), and/or the electricity and/or the hydrogen thus generated being used for conversion (d) and/or hydroprocessing (e).

[object Object]

The invention relates to an integrated method of in-situ oxygen production, chemical looping combustion and gasification of liquid, solid or gaseous fuels allowing combustion of coal, petroleum coke and/or liquid hydrocarbons and notably heavy and/or extra heavy or bituminous residues for production of synthesis gas under pressure and/or energy.

Growing community of inventors

Paris, France

Ali Hoteit