DESC:PROCESS FOR PREPARATION OF A SOLID OLIGOMERIZATION CATALYST AND APPLICATIONS THEREOF ,CLAIMS:1. A process for preparation of a solid oligomerization catalyst, comprising:
treating a catalyst carrier with an activating agent to obtain an activated catalyst carrier, wherein the catalyst carrier is an oxide of an element selected from the group consisting of group III, group IV of the periodic table and mixtures thereof;
reacting the activated catalyst carrier with a metal trihalide catalyst in a hydrocarbon solvent to obtain a reaction mixture, wherein the metal trihalide catalyst contains a metal of group III of the periodic table; and
removing the hydrocarbon solvent from the reaction mixture to obtain a solid oligomerization catalyst.

2. The process as claimed in claim 1, wherein the solid oligomerization catalyst is washed with a hydrocarbon solvent to remove unreacted compounds followed by drying.

3. The process as claimed in claim 1, wherein the catalyst carrier is selected from the group consisting of silica, alumina, and mixtures thereof.

4. The process as claimed in claim 1, wherein the catalyst carrier has specific surface area in the range of 250m2/g to 400m2/g.

5. The process as claimed in claim 1, wherein the activating agent is selected from the group consisting of inorganic peroxide, organic peroxide and mixture thereof.

6. The process as claimed in claim 5, wherein the inorganic peroxide is hydrogen peroxide.

7. The process as claimed in claim 5, wherein the organic peroxide is selected from the group consisting of benzoyl peroxide, diethyl ether peroxide, tertiary butyl peroxide, tertiary butyl hydroperoxide and mixtures thereof.
8. The process as claimed in claim 1, wherein the metal trihalide catalyst is selected from the group consisting of aluminium trichloride, aluminium tribromide, aluminium tri-iodide and mixtures thereof.

9. The process as claimed in claim 1, wherein the hydrocarbon solvent is selected from the group consisting of aromatic hydrocarbon solvent, aliphatic hydrocarbon solvent and mixtures thereof.

10. The process as claimed in claim 1, wherein the aromatic hydrocarbon solvent used in the present disclosure is selected from the group consisting of toluene, ethylbenzene, ortho-xylene, meta-xylene, para-xylene, 1-ethyl-2-methylbenzene, 1-ethyl-3-methylbenzene, 1-ethyl-4-methylbenzene, cumene, 1,2,3-trimethylbenzene, 1,2,4-trimethylbenzene, 1-methyl-3-isopropylbenzene, naphthalene, decahydronaphthalene and mixtures thereof.

11. The process as claimed in claim 1, wherein the the aliphatic hydrocarbon solvent used in the present disclosure is selected from the group consisting of octane, decane, dodacane and cyclohexane.

12. The process as claimed in claim 1, wherein the catalyst carrier is washed with a dilute mineral acid before treating with an activating agent and optionally washed with a dilute mineral acid after treating with an activating agent.

13. The process as claimed in claim 10, wherein the mineral acid is selected from the group consisting of hydrochloric acid, sulfuric acid, nitric acid, nitrous acid and mixtures thereof.

14. The process as claimed in claim 1, wherein the activated catalyst carrier is dried at a temperature in the range of 100 deg C to 160 deg C, for a time period in the range of 15 to 20 hours before reacting with the trihalide catalyst.

15. The process as claimed in claim 1, wherein the reaction mixture is obtained by refluxing the activated catalyst carrier with a metal trihalide catalyst in a hydrocarbon solvent at a temperature in the range of 120 deg C to 140 deg C for a time period in the range of 10- 17 hours.

16. A process for preparation of a solid oligomerization catalyst, comprising:
treating silica with hydrogen peroxide to obtain an activated silica;
refluxing the activated silica with aluminium chloride in toluene at a temperature of 120 deg C for 10 hours to obtain a reaction mixture; and
removing toluene from the reaction mixture to obtain solid oligomerization catalyst.

17. The process as claimed in claim 14, wherein the solid oligomerization catalyst is washed with toluene to remove unreacted compounds followed by drying.

18. A process for oligomerization of olefins, comprising:
mixing at least one monomer and a solid oligomerization catalyst as claimed in claim 1 to obtain a reaction mixture; and
stirring the reaction mixture for a time period in the range of 90 to 120 minutes at a temperature in the range of 70 deg C to 100 deg C to obtain an oligomeric olefinic product.

19. The process as claimed in claim 16, wherein the oligomeric olefinic product is treated with sodium hydroxide, followed by washing and distillation under reduced pressure to remove unreacted monomer.

20. The process as claimed in claim 16, wherein the monomer is an alpha olefin having general formula CnH2n; where n = 6 to 12, selected from the group consisting of 1-hexene, 1-heptene, 1-octene, 1-decene, 1-dodecene and mixture thereof.

21. A process for oligomerization of olefins, comprising:
mixing at least one monomer and a solid oligomerization catalyst as claimed in claim 1 to obtain a reaction mixture;
adding a hydrocarbon diluent to the reaction mixture to obtain a diluted reaction mixture, wherein the hydrocarbon diluent is selected from the group consisting of heptane, octane, decane, cyclohexane, light naphtha,heavy naphtha and mixtures thereof; and
stirring the diluted reaction mixture for a time period in the range of 90 to 120 minutes at a temperature in the range of 70 deg C to 100 deg C to obtain an oligomeric olefinic product.

22. The process as claimed in claim 19, wherein the oligomeric olefinic product is treated with sodium hydroxide, followed by washing and distillation under reduced pressure to remove unreacted monomer.

23. The process as claimed in claim 19, wherein the monomer is an alpha olefin having general formula CnH2n; where n = 6 to 12, selected from the group consisting of 1-hexene, 1-heptene, 1-octene, 1-decene, 1-dodecene and mixture thereof.