1. A process for purifying a gaseous mixture containing at least one acidic gas selected from hydrogen sulphide H2S and carbon dioxide CO2, comprising contacting the gaseous mixture with an absorbent solution comprising:
from 35% to 45% by weight of at least one tertiary amine relative to the total weight of the absorbent solution;
from 4% to 12% by weight of at least one activator relative to the total weight of the absorbent solution, the total content of tertiary amine and activator being from 38% to 50% by weight relative to the total weight of the absorbent solution, and the total concentration of tertiary amine and activator being comprised between 3.8 and 4.2 molL;
from 17% to 25% by weight of at least one C2 to C4 thioalkanol relative to the total weight of the absorbent solution; and
the remainder being water to reach 100% by weight.
2. The process according to claim 1, in which the gaseous mixture contains, besides the at least one acidic gas, at least one sulphur-containing compound different from hydrogen sulphide H2S.
3. The process according to claim 2, in which the at least one sulphur-containing compound is selected from the mercaptans and carbonyl sulphide.
4. The process according to claim 1, wherein the gaseous mixture is selected from natural gases, tail gases obtained at the outlet of the sulphur chains, and the gases obtained in the gas treatment plants of a refinery.
5. The process according to claim 1, wherein the tertiary amine is selected from the tertiary alkanolamines.
6. The process according to claim 1, wherein the tertiary amine is selected from methyldiethanolamine (MDEA), triethanolamine (TEA), tributanolamine (TBA), and mixtures thereof.
7. The process according to claim 1, wherein the activator is selected from the primary amines, the secondary amines, the primary alkanolamines and the secondary alkanolamines.
8. The process according to claim 1, wherein the activator is selected from monoethanolamine (MEA), butylethanolamine (BEA), diethanolamine (DEA), aminoethylethanolamine (AEEA), piperazine, hydroxyethyl piperazine (HEP), aminoethyl piperazine (AEP), and mixtures thereof.
9. The process according to claim 1, wherein the thioalkanol is ethylene dithioethanol or ThioDiGlycol (TDG).
10. The process according to claim 1, wherein the absorbent solution comprises water, methyldiethanolamine (MDEA), hydroxyethyl piperazine (HEP) andor piperazine and thiodiglycol (TDG), in the respective proportions of 30%, 42%, 8%, and 20% by weight.
11. The process according to claim 1, wherein the hydrogen sulphide content of the gaseous mixture is from 40 ppm by volume to 40% by volume, and further comprising lowering the content after the contacting step to 1 ppm by volume.
12. The process according to claim 1, wherein the CO2 content of the gaseous mixture is from 0.2% by weight to 40% by volume, and further comprising lowering the content after the contacting step to 50 ppm by volume.
13. The process according to claim 1, wherein the content of the mercaptans in the gaseous mixture is from 10 ppm to 1000 ppm by volume, and further comprising lowering the content after the contacting step to 1 ppm by volume.
14. The process according to claim 1, wherein the COS content of the gaseous mixture is comprised between 5 ppm and 100 ppm by volume, and further comprising lowering the content after the contacting step to 2 ppm by volume.
15. The process according to claim 1, further comprising carrying out the contacting step at a temperature from 40\xb0 C. to 100\xb0 C., and at a pressure from 1 to 150 bar.
16. The process according to claim 1, further comprising, after the contacting step, regenerating the laden absorbent solution with at least one acidic gas.
17. The process according to claim 16, further comprising carrying out the regeneration step of the absorbent solution at a pressure from 0 to 20 bar, and at a temperature from 100\xb0 C. to 140\xb0 C.
18. An absorbent solution comprising:
from 35% to 45% by weight of at least one tertiary amine relative to the total weight of the absorbent solution;
from 4% to 12% by weight of at least one activator relative to the total weight of the absorbent solution, the total content of tertiary amine and activator being from 38% to 50% by weight relative to the total weight of the absorbent solution, the total concentration of tertiary amine and activator being comprised between 3.8 and 4.2 molL;
from 17% to 25% by weight of at least one C2 to C4 thioalkanol relative to the total weight of the absorbent solution; and
the remainder being water to reach 100% by weight.
19. The absorbent solution according to claim 18, in which the tertiary amine is a tertiary alkanolamine.
20. The absorbent solution according to claim 18, wherein the tertiary amine is selected from N-methyldiethanolamine (MDEA), triethanolamine (TEA), tributanolamine (TBA), and mixtures thereof.
21. The absorbent solution according to claim 18, wherein the activator is selected from the primary amines, the secondary amines, primary alkanolamines, and secondary alkanolamines.
22. The absorbent solution according to claim 18, wherein the activator is selected from monoethanolamine (MEA), butylethanolamine (BEA), diethanolamine (DEA), aminoethylethanolamine (AEEA), piperazine, hydroxyethyl piperazine (HEP), aminoethyl piperazine (AEP) and mixtures thereof.
23. The absorbent solution according to claim 18, wherein the thioalkanol is ethylene dithioethanol or ThioDiGlycol (TDG).
24. The absorbent solution according to claim 18, further comprising water, methyldiethanolamine (MDEA), hydroxyethyl piperazine (HEP) andor piperazine and thiodiglycol (TDG), in the respective proportions of 30%, 42%, 8%, and 20% by weight.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An apparatus, comprising:
a plurality of transmission links collectively configured to transmit a plurality of communications each including at least one of voice data and signaling data corresponding to one of a plurality of signaling system variants;
a plurality of signaling definition files each corresponding to one of the plurality of signaling system variants; and
an associative device configured to associate each of the plurality of communications with a corresponding one of the plurality of signaling definition files.
2. The apparatus of claim 1 wherein the variants are R2 signaling system variants.
3. The apparatus of claim 1 wherein the variants are CAS signaling system variants.
4. The apparatus of claim 1 wherein the variants are CCS signaling system variants.
5. The apparatus of claim 1 wherein the variants correspond to at least one of inbound and outbound signaling.
6. The apparatus of claim 1 wherein the associative device is configured to associate each of the transmission links with a corresponding one or more of the signaling definition files.
7. The apparatus of claim 1 wherein the association of each of the plurality of communications with a corresponding one of the plurality of signaling definition files permits line and register signaling within a system in which the apparatus is located.
8. The apparatus of claim 1 wherein each signaling definition file is at least one of a line signaling definition file and a register signaling definition file.
9. The apparatus of claim 1 further comprising an input for dynamically-receiving the plurality of signaling definition files.
10. The apparatus of claim 1 further comprising at least one compiler function configured to compile one or more of the plurality of signaling definition files.
11. The apparatus of claim 1 further comprising at least one conversion function configured to convert at least one of a language, a format, and a protocol of at least one of the signaling definition files.
12. The apparatus of claim 1 further comprising at least one transcoding function configured to perform at least one of encoding, decoding, and transcoding of at least one of the signaling definition files.
13. The apparatus of claim 1 further comprising at least one translator function configured to translate at least one of the signaling definition files between first and second languages, wherein the first and second languages are each one of a programming language and a machine language.
14. The apparatus of claim 1 wherein the apparatus is a media gateway configured to perform switching.
15. A method, comprising:
receiving a plurality of communications each corresponding to one of a plurality of signaling variants;
associating each of the plurality of communications with one of a plurality of signaling definition files, wherein each of the signaling definition files corresponds to one of the signaling variants; and
translating ones of the plurality of received communications by employing associated ones of the plurality of signaling definition files.
16. The method of claim 15 further comprising dynamically loading the signaling definition files.
17. The method of claim 15 wherein associating includes binding each of the communications with an associated one of the signaling definition files.
18. The method of claim 15 wherein the signaling definition files include at least one of a plurality of line signaling definition files and a plurality of register signaling definition files.
19. The method of claim 15 further comprising establishing a communication channel for each of the communications pursuant to the association of that communication with a corresponding one of the signaling definition files.
20. A method, comprising:
receiving a communication corresponding to a signaling variant;
associating the communication with a signaling definition file corresponding to the signaling variant; and
translating the received communication by employing the associated signaling definition file.