Patent application number | Description | Published |
20100154638 | PROCESS FOR PARTIAL DEHYDRATION OF A GAS BY ABSORPTION ON A SOLVENT THAT CAN BE REGENERATED BY SEGREGATION AT AMBIENT TEMPERATURE - A process for partial dehydration of a gas by contact with a solvent that can be regenerated by: a) A stage for absorption of H | 06-24-2010 |
20100196240 | PROCESS AND DEVICE FOR DESULFURIZATION OF A GAS, COMPRISING A STAGE FOR ELIMINATION OF SULFUR BY COOLING A GAS STREAM - The invention has as its object a process for the treatment of a gas that contains hydrogen sulfide and sulfurous anhydride, in which:
| 08-05-2010 |
20100266483 | PROCESS FOR DESULPHURIZATION OF A GASEOUS EFFLUENT COMPRISING A DEVICE FOR ON-LINE ANALYSIS AND CONTROL - The invention concerns a process for desulphurization of a gaseous effluent containing hydrogen sulphide using a Claus treatment unit followed by a Claus tail gas treatment unit (TGT), said process comprising using a device for on-line analysis of the ratio H | 10-21-2010 |
20110176981 | ABSORBENT SOLUTION BASED ON A TERTIARY OR HINDERED AMINE AND ON A PARTICULAR ACTIVATOR AND METHOD FOR REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT - The invention relates to the removal of acid compounds from a gaseous effluent In an absorption method using an aqueous solution comprising a tertiary amine or a sterically hindered amine in admixture with a primary or secondary amine meeting the general formula as follows: | 07-21-2011 |
20110185901 | ABSORBENT SOLUTION BASED ON N, N, N', N' - TETRAMETHYLHEXANE - 1,6-DIAMINE AND ON A PARTICULAR AMINE COMPRISING PRIMARY OR SECONDARY AMINE FUNCTIONS AND MEHTOD FOR REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT - The invention relates to the removal of acid compounds from a gaseous effluent in an absorption method using an aqueous solution of N,N,N′,N′-tetramethylhexane-1,6-diamine formulated with a particular primary or secondary amine, allowing to obtain a single-phase absorbent solution under the absorption conditions of acid gases such as CO | 08-04-2011 |
20130011314 | METHOD OF REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION BASED ON I, II/III DIAMINES - The invention relates to the removal of acid compounds from a gaseous effluent in an absorption method using an aqueous solution containing one or more diamines whose two amine functions are not connected to each other by rings and whose amine function in the α position is always tertiary and the amine function in the ω position is always either primary or secondary, more or less sterically hindered, and with have the general formula (I) as follows: | 01-10-2013 |
20130023712 | METHOD OF REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION BASED ON I/II/III TRIAMINES - The invention relates to the removal of acid compounds from a gaseous effluent in an absorption method using an aqueous solution containing one or more triamines wherein the three amine functions are not connected to each other by rings and whose amine functions in the a and the co positions are always tertiary, and the amine function in central position is always secondary, more or less sterically hindered, and which have the general formula (I) as follows: | 01-24-2013 |
20140290483 | METHOD FOR ELIMINATING ACIDIC COMPOUNDS FROM A GASEOUS EFFLUENT USING AN ABSORBENT SOLUTION MADE FROM DIHYDROXYALKYLAMINES HAVING A SEVERE STERIC ENCUMBRANCE OF THE NITROGEN ATOM - The method for eliminating acidic compounds contained in a gaseous effluent consists of placing into contact, in column C | 10-02-2014 |
20140301930 | ABSORBENT TERTIARY MONOALKANOLAMINE SOLUTION BELONGING TO THE 3-ALCOXYPROPYLAMINE FAMILY, AND METHOD FOR REMOVING ACIDIC COMPOUNDS CONTAINED IN A GAS EFFLUENT - 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-alkoxypropylamine family having general formula (A). The method for removing the acidic compounds contained in a gas effluent involves placing a gas effluent | 10-09-2014 |
20140311342 | METHOD FOR ELIMINATING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION MADE FROM BIS(AMINO-3-PROPYL)ETHERS - 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. | 10-23-2014 |
20140336416 | METHOD FOR SYNTHESISING BIS[3-(N,N-DIALKYLAMINO)PROPYL]ETHERS - The invention relates to an improved method for synthesizing bis[3-(N,N-dialkylamino)propyl]ethers from acrylonitrile, comprising the following reactions:
| 11-13-2014 |