Ifp Energies Nouvelles

Institut Francais Du Pe'trole

Institute Francais Du Petrole

Axens

Institut Fran&ccedil;ais Du P&eacute;trole

Institut Du Petrole

Bruno Delfort

Maurice Born

Julien Grandjean

Dominique Le Pennec

Thierry Huard

Jacques Lallement

Thierry Lacome

Fabrice Paille

Aurelie Wender

Bertrand Daoudal

Xavier Montagne

Jean-Claude Hipeaux

P-Louis Carrette

Isabelle Durand

Pierre Marchand

Gérard Hillion

Thierry Lac&ocirc;me

Armelle Nigon

Gerard Hillion

Patrick Gateau

Pierre-Louis Carrette

Laetitia Giraudon

Agnes Chive

Ludovic Raynal

Julia Magne-Drisch

Guy Parc

Renaud Cadours

Christophe Vallee

Christine Dalmazzone

St&eacute;phane Joly

Anne Jaecker

Catherine Lefebvre

Isabelle Henaut

Renaud Revel

Remy Marchal

Serge Leporq

Sophie Drozdz

Fabien Porcheron

Didier Morvan

Celine Bouvry

Emmanuel Pellier

Anne Sinquin

Pierre-Yves Lanfrey

Nicolas Laloue

Xavier Courtial

Monique Prigent

Yves Benoit

Guillaume Parer

Francoise Dixmier

Laurence Podesta-Foley

Elsa Muller

Aurélie Wender

Sebastien Gonnard

Francedillaoise Dixmier

Bertrand Daqudal

Rémy Marchal

Gustave Acakpo

Antoine Nicola

Karine Gaillard

Aurelie Mouret-Henriques

Pierre Louis Carrette

The present invention relates to a process for regenerating a rich MEG aqueous solution (), recovering a maximum amount of MEG while at the same time removing the carboxylic acid salts, including:

Method for regenerating an aqueous solution of MEG containing salts with purge treatment

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

Polyamines of formula (I), their preparation method and their use in an absorbing solution based on amines in order to selectively eliminate HS from a gaseous effluent containing HS and CO, which polyamines are obtained by a reaction between piperazine and an epihalohydrin or a 1,3-dihalo-2-propanol 

Polyamines, synthesis method thereof and use thereof for the selective elimination of H2S from a gaseous effluent comprising CO2

The invention relates to an absorbent solution and to a method using this solution for removing acid compounds contained in a gaseous effluent, comprising water and at least one diamine with general formula (I) as follows: 

Absorbent solution based on hydroxyl derivatives of 1,6-hexanediamine and method for eliminating acid compounds from a gaseous effluent

The invention concerns novel polyamines having formula (I) obtained from the reaction between a polyol diglycidylether and piperazine: in which n is a whole number between 0 and 30, Rhas different forms, Rhas formula (g), and Rhas formula (g) when n=0  The invention also concerns their preparation method and their use in an absorbing solution based on amines in order to selectively eliminate HS from a gaseous effluent containing HS and CO.

Polyamines, synthesis process thereof and use of same for the selective elimination of HS from a gaseous effluent comprising CO

The invention relates to a synthesis method for at least one nitrogen compound belonging to the family of partly N-hydroxyethylated tertiary 1,6-hexanediamines with general formula (I) as follows: wherein radicals R, R, Rare each selected indiscriminately among a methyl radical and a hydroxyethyl radical, and at least one radical among R, R, Ris a methyl radical,comprising at least a first reaction between a first halogen atom-free precursor compound and a second halogen atom-free precursor compound. The first precursor compound comprises a carbon skeleton consisting of a linear sequence of 6 carbon atoms with the 4 central carbon atoms bonded each to 2 hydrogen atoms and the carbon atoms in alpha and omega position not bonded to a halogen atom.

Method for synthesising partially N-hydroxyethylated tertiary 1,6-hexanediamines

The invention relates to novel nitrogen compounds belonging to the family of tertiary diamines of general formula (I) below, wherein R is an alkanediyl radical &#x2014;(CH)n- with n=2, 3, 4, 5 or 6. The compound according to the invention is for example N,N,N',N&#x2032;-(tetramethyl)-1,6-diamino-2,5-hexanediol or N,N,N&#x2032;,N&#x2032;-(tetramethyl)-1,8-diamino-2,7-octanediol. The invention also relates to the method for preparing them and to their use for removing acid compounds contained in a gaseous effluent.

Beta-hydroxylated tertiary diamines, a process for their synthesis and their use for eliminating acid compounds a gaseous effluent

The invention relates to an absorbent solution for absorbing acid compounds, such as hydrogen sulfide and carbon dioxide, in a gaseous effluent, containing water and a mixture of amines comprising 1,2-bis-(2-dimethylaminoethoxy)-ethane and 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, of respective formulas (I) and (II) below, and to a method of removing acid compounds contained in a gaseous effluent using this solution. 

Absorbent solution containing a mixture of 1,2-bis-(2-dimethylaminoethoxy)-ethane and of 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, and method of removing acid compounds from a gaseous effluent

An absorbent solution is provided for removing acid compounds contained in a gaseous effluent and a method of removing acid compounds contained in a gaseous effluent contacts the gaseous effluent with the absorbent solution. The absorbent solution includes at least one of the following two nitrogen compounds belonging to the family of tertiary diamines:  and water.

Absorbent solution based on beta-hydroxylated tertiary diamines and method of removing acid compounds from a gaseous effluent

The invention relates to a method of selectively removing hydrogen sulfide HS from a gaseous effluent comprising at least HS and CO, wherein a stage of selective absorption of hydrogen sulfide over COis carried out by contacting said effluent with a solution comprising (a) water and (b) at least the following diamine: and wherein the absorption selectivity is controlled by adding (c) a viscosifying compound to the absorbent solution.

Method for selective absorption of hydrogen sulfide from a gaseous effluent by a 1,2-bis(2-dimethylaminoethoxy)ethane-based absorbent solution comprising a viscosifying agent

The absorbent solution for removing acidic compounds contained in a gas effluent comprises water and at least one amine that is selected from among tertiary monoalkanolamines that contain an etheric function and belong to the 3-alcoxypropylamine family having general formula (A). The method for removing the acidic compounds contained in a gas effluent involves placing a gas effluentinto the column Ctogether with the absorbent solution

Absorbent tertiary monoalkanolamine solution belonging to the 3-alcoxypropylamine family, and method for removing acidic compounds contained in a gas effluent

The method for eliminating acidic compounds contained in a gaseous effluent consists of placing into contact, in column C, a gaseous effluentwith an absorbent solutioncomprising an aqueous solution of one or a plurality of dihydroxyalkylamines having one of the formulas (I) and (II).

Process for removing acidic compounds from a gaseous effluent with an absorbent solution based on dihydroxyalkylamines bearing severe steric hindrance of the nitrogen atom

The method of removing acid compounds contained in a gaseous effluent consists in contacting in column C1 a gaseous effluent with an absorbent solution 4 made up of an aqueous solution of one or more diamines belonging to the bis(amino-3-propyl)ether or (amino-2-ethyl)-(amino-3-propyl)ether family.

Method for eliminating acid compounds from a gaseous effluent with an absorbent solution made from bis(amino-3-propyl)ethers

The degradation of an absorbent solution comprising organic compounds provided with an amine function in aqueous solution is reduced considerably in the presence of a small amount of degradation-inhibiting additives belonging to the class of derivatives of pyrimidine or of triazine, at least one substituent of which contains a sulfur atom. The absorbent solution is employed for deacidifying a gaseous effluent.

Absorbent solution containing a breakdown inhibitor derived from pyrimidine or from triazine and absorption process for acid compounds contained in a gaseous effluent

The degradation of an absorbent solution comprising organic compounds with an amine functional group in aqueous solution is substantially reduced in the presence of a small amount of degradation inhibiting agents belonging to the family of derivatives of triazoles or of a tetrazole at least one substituent of which contains a sulfur atom. The absorbent solution is used to deacidize a gaseous effluent.

Absorbent solution containing a degradation inhibitor derived from a triazole or from a tetrazole and method of absorbing acid compounds contained in a gaseous effluent

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Paris, France

Bruno Delfort