pH-modified water-soluble oxidized disulfide oil compositions
A composition of matter is provided including one or more water-soluble oxidized disulfide oil (WS-ODSO) compounds or mixture of compounds, and an effective amount of an alkaline agent. The composition is a pH-modified, that is, deacidified, neutralized or basified, WS-ODSO composition. The pH-modified WS-ODSO composition can be used as a component in synthesis of materials such as zeolitic materials.
1. A composition comprising an aqueous mixture of one or more water-soluble oxidized disulfide oil (WS-ODSO) compounds and an effective amount of an alkaline agent, wherein the composition is a pH-modified WS-ODSO composition having a pH that is higher than a pH of the one or more WS-ODSO compounds.
2. The composition of claim 1 , wherein the one or more WS-ODSO compounds is selected from the group consisting of compounds having the general formula (R—SOO—SO—R′), (R—SOO—SOO—R′), (R—SO—SOO—OH), (R—SOO—SOO—OH), (R—SOO—SO—OH), (R′—SO—SO—OR), (R′—SOO—SO—OR), (R′—SO—SOO—OR) and (R′—SOO—SOO—OR), wherein R and R′ can be the same or different C1-C10 alkyl or C6-C10 aryl.
3. The composition of claim 1 , wherein the one or more WS-ODSO compounds is selected from the group consisting of compounds having the general formula (R—SOO—SO—R′), (R—SOO—SOO—R′), (R—SO—SOO—OH), (R—SOO—SOO—OH), (R—SO—SO—OH), (R—SOO—SO—OH), and mixtures thereof, where R and R′ are alkyl or aryl groups comprising 1-10 carbon atoms.
4. The composition of claim 1 , wherein the one or more WS-ODSO compounds comprises a mixture of two or more types of WS-ODSO compounds selected from the group consisting of compounds having the general formula (R—SOO—SO—R′), (R—SOO—SOO—R′), (R—SO—SOO—OH), (R—SOO—SOO—OH), (R—SOO—SO—OH), (R′—SO—SO—OR), (R′—SOO—SO—OR), (R′—SO—SOO—OR) and (R′—SOO—SOO—OR), wherein R and R′ can be the same or different C1-C10 alkyl or C6-C10 aryl.
5. The composition of claim 1 , wherein the one or more WS-ODSO compounds comprises a mixture of two or more types of WS-ODSO compounds selected from the group consisting of compounds having the general formula (R—SOO—SO—R′), (R—SOO—SOO—R′), (R—SO—SOO—OH), (R—SOO—SOO—OH), (R—SO—SO—OH), (R—SOO—SO—OH), and mixtures thereof, where R and R′ are alkyl or aryl groups comprising 1-10 carbon atoms.
6. The composition as in claim 4 , wherein the mixture is derived from oxidation of disulfide oil compounds present in an effluent refinery hydrocarbon stream recovered following catalytic oxidation of mercaptans present in a mercaptan-containing hydrocarbon stream.
7. The composition as in claim 1 , wherein the alkaline agent has a pH of greater than 7, and less than or equal to 14, and wherein the one or more WS-ODSO compounds have a pH of less than about 7.
8. The composition as in claim 1 , wherein the alkaline agent is selected from the group consisting of sodium hydroxide, calcium hydroxide, lithium hydroxide, strontium hydroxide, barium hydroxide, potassium hydroxide, cesium hydroxide, rubidium hydroxide, ammonia, ammonium hydroxide, zinc hydroxide, trimethylamine, pyridine, beryllium hydroxide, magnesium hydroxide, and mixtures comprising two or more of the foregoing.
9. The composition as in claim 1 , wherein the alkaline agent is sodium hydroxide.
10. The composition as in claim 1 that is a neutralized WS-ODSO composition having a pH in the range of about 6-8.
11. The composition as in claim 1 , wherein the effective amount of the alkaline agent is on a molar equivalent or approximately molar equivalent basis relative to the number of acid sites of the WS-ODSO compounds, and wherein the pH-modified WS-ODSO composition is a neutralized WS-ODSO composition.
12. The composition as in claim 1 , wherein the effective amount of the alkaline agent is greater than a molar equivalent relative to the number of acid sites of the WS-ODSO compounds, and wherein the pH-modified WS-ODSO composition is a basified WS-ODSO composition having a pH greater than 7.
13. The composition as in claim 1 , wherein the effective amount of the alkaline agent is less than a molar equivalent relative to the number of acid sites of the WS-ODSO compounds, and wherein the pH-modified WS-ODSO composition is a deacidified WS-ODSO composition having a pH less than 7.
14. The composition as in claim 1 , wherein all or a portion of water in the aqueous mixture is generated in-situ by reaction of WS-ODSO and alkaline agent.
15. The composition as in claim 6 , wherein the oxidation of disulfide oil compounds occurs in the presence of a transition metal catalyst, and wherein the pH-modified WS-ODSO contains transition metal from the transition metal catalyst.
16. The composition as in claim 15 , wherein the transition metal catalyst is selected from the group consisting of Mo, W, V, Ti, and combinations thereof.
17. The composition as in claim 1 , further comprising one or more one or more metals or metal compounds selected from the Periodic Table of the Elements IUPAC Groups 4-12.
18. The composition as in claim 1 , wherein the WS-ODSO contains a first weight percent of atomic sulfur, and the pH-modified WS-ODSO composition contains a lesser weight percent of atomic sulfur than the first quantity of atomic sulfur.
19. The composition as in claim 1 , wherein the alkaline agent comprises an alkali metal, the WS-ODSO contains a first weight percent of atomic alkali metal, and the pH-modified WS-ODSO composition contains a greater weight percent of atomic alkali metal than the first quantity of atomic alkali metal.
20. The composition as in claim 1 , wherein the alkaline agent has a pH of greater than 7, and less than or equal to 14, and wherein the one or more WS-ODSO compounds have a pH of less than about 4.
21. The composition as in claim 1 , wherein the alkaline agent has a pH of greater than or equal to about 8, and less than or equal to 14, and wherein the one or more WS-ODSO compounds have a pH of less than about 7.
22. The composition as in claim 1 , wherein the alkaline agent has a pH of greater than or equal to about 8, and less than or equal to 14, and wherein the one or more WS-ODSO compounds have a pH of less than about 4.