Inventor

ROJEY ALEXANDRE

FR98 patents

⚠️ This page may combine multiple inventors who share the name “ROJEY ALEXANDRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROJEY ALEXANDRE

INST FRANCAIS DU PETROLE

Process for purification by combination of an effluent that contains carbon dioxide and hydrocarbons

Process for separation of the constituents of a mixture in the gas phase using a composite membrane

Power generator with low CO2 emissions and associated method

Enhanced oil recovery process with combined injection of an aqueous phase and of at least partially water-miscible gas

Method and device for liquefying a natural gas without phase separation of the coolant mixtures

Method and apparatus for liquefaction of a natural gas

Device and process for carrying out phase separation by filtration and centrifugation

Heat exchanger with staggered perforated plates

Process for transporting a fluid such as a dry gas likely to form hydrates

Method and a device for separating a continuous fluid phase from a dispersed phase

Process for preventing the formation of a solid phase from hydrocarbons in a fluid

System and method for transporting a fluid susceptible to hydrate formation

Process and device for compressing and transporting a gas containing a liquid fraction

Process for converting heat to mechanical power with the use of a fluids mixture as the working fluid

Cogeneration method and device using a gas turbine comprising a post-combustion chamber

Liquefaction of natural gas with natural gas recycling

Process and device for separation of at least one acid gas that is contained in a gas mixture

Method of liquefying a natural gas with two interconnected stages

Process for degasolining a gas containing condensable hydrocarbons

Method of de-acidification in which acid gases are produced in liquid phase

Process and device for treating a gas by refrigeration and contact with a solvent

Method and device for treating natural gas containing water and condensible hydrocarbons

Process for recycling a dispersing additive used for the transportation of a condensate gas or of an oil with associated gas in the presence of hydrates

Process for dehydrating and degassing a gas, comprising two complementary solvent regeneration steps

Process for de-acidifying a gas for production of concentrated acid gases

Process for the dehydration, deacidification and stripping of a natural gas, utilizing a mixture of solvents

Method and installation for the liquefaction of natural gas

Device for separating phases of different densities and conductivities by electrocoalescence and centrifugation

Process for separating phases of different densities and conductivities by electrocoalescence and centrifugation

Process and device for the simultaneous transfer of material and heat

Process for the separation of butenes and butanes by extractive distillation

Process and apparatus for transporting and treating a natural gas

Process for extraction of water mixed with a liquid fluid

Process and apparatus for the dehydration, deacidification, and separation of a condensate from a natural gas

Integrated process for the treatment of a methane-containing wet gas in order to remove water therefrom

Method of transferring heat from a hot fluid A to a cold fluid using a composite fluid as heat carrying agent

Heat exchange device useful more particularly for heat exchanges between gases

Heat exchange device of the perforated plate exchanger type with improved sealing

Process for separating a multi-component gaseous mixture

Process for producing cold and/or heat by use of an absorption cycle with carbon dioxide as working fluid

Modified surface for reducing the turbulences of a fluid and transportation process

Process and device for liquefying a gaseous mixture such as a natural gas in two steps

Process and device for liquefying and for processing a natural gas

Natural gas deacidizing and dehydration method

Natural gas deacidizing method

Device and method for processing a fluid by two-phase compression and fractionation

IFP Energies Nouvelles

Process for the production of synthesis gas with conversion of CO2 into hydrogen

Process for producing synthesis gas by steam reforming in a reactor-exchanger

PETROLES CIE FRANCAISE

Process for purifying natural gas

ROJEY ALEXANDRE

Method of producing synthetic gas with partial oxidation and steam reforming