Ifp Energies Nouvelles

Celine Bouvry

Malika Boualleg

Bruno Delfort

Patrick Euzen

Isabelle Henaut

Anne Sinquin

Yves Benoit

Laurence Podesta-Foley

A process treats production water resulting from enhanced oil recovery, the production water comprising an aqueous phase and an organic phase dispersed in the aqueous phase, and at least one polymer in the aqueous phase. The process includes:

Method for treating production water from the enhanced oil recovery of oil by hydrocyclone in the presence of additives of tetrakis(hydroxymethyl)phosphonium salt type

A novel alumina gel is described having an elevated dispersibility index, and in particular a dispersibility index greater than 70%, a crystallite size between 1 and 35 nm, and a sulphur content between 0.001% and 2% by weight, and a sodium content between 0.001% and 2% by weight, the weight percentages being expressed in relation to the total mass of alumina gel. The present invention also discloses the method for preparing said gel comprising at least one step of precipitating at least one aluminium salt, at least one step of heating the suspension obtained and a final heat treatment step for forming the alumina gel.

Gel with high dispersibility and method for preparing same

An amorphous mesoporous alumina having a connectivity (Z) greater than 2.7 is described. The present invention also relates to the process for preparing the said alumina, comprising at least one precipitation step of at least one aluminum salt, at least one heating step of the suspension obtained, a thermal treatment step to form the alumina gel, a gentle drying step or spray drying step, a moulding step of the powder obtained, and a final thermal treatment step in order to obtain the alumina.

Amorphous mesoporous alumina with high connectivity and production method thereof

A process for the preparation of an amorphous mesoporous and macroporous alumina: at least once dissolving an acidic precursor of aluminium, adjusting pH by adding at least one basic precursor to the suspension obtained in a), co-precipitation of the suspension obtained from b) by adding at least one basic precursor and at least one acidic precursor to the suspension, filtration, drying, shaping and heat treatment. An amorphous mesoporous and macroporous alumina with bimodal pore structure:

Amorphous mesoporous and macroporous alumina with an optimized pore distribution, and process for its preparation

An amorphous mesoporous alumina with a median mesopore diameter by volume of 16 nm or more, a mesopore volume of 0.5 mL/g or more, and a total pore volume of more than 0.75 mL/g. A process for preparing said alumina, comprising:

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Rueil Malmaison, France

Celine Bouvry