The catalyst for refining gasoline

 

(57) Abstract:

Usage: oil refining, production of catalysts for the refining of gasoline. The inventive catalyst contains 0.5 to 5 wt. sverkhvysokochastotnogo zeolite type pentasil a molar ratio of SiO2/Al2O325-90 and amorphous silica-alumina base the rest. The catalyst contains optionally 0.05 to 2.5 wt. zinc oxide or gallium oxide. 1 C.p. f-crystals, 1 table.

The invention relates to the production of catalysts for the production of straight-run gasoline refining and gasoline thermal processes and can be used in the refining and petrochemical industries.

Closest to the proposed catalyst to the technical essence and the achieved result is a catalyst containing 9-29 wt. sverkhvysokochastotnogo zeolite type pentasil a molar ratio of SiO2/Al2O330 in amorphous silica-alumina basis. This catalyst allows for the improvement of thermal cracking gasoline to flow laboratory facility at 480aboutWith, the duration of the experience 1 h, the mass feed rate of the raw material 4,4-6,7 h-1the output calzatura is a low yield and octane number ennobled catalyzate.

Object of the invention is the catalyst that allows you to get an increased output of refined gasoline with a higher octane number.

According to the invention the task is solved aluminosilicate zeolite-containing catalyst for refining gasoline containing servicecompany zeolite type pentasil in amorphous silica-alumina basis.

Distinguishing features are that aluminosilicate zeolite-containing catalyst contains 0.5-5 wt. sverkhvysokochastotnogo zeolite type pentasil a molar ratio of SiO2/Al2O325-90 and has the following chemical composition, wt. aluminum oxide 0,5-7,5; oxide, 0.05-0.5 sodium; silica rest (up to 100). In preferred embodiments, the catalyst additionally contains 0.05 to 2.5 wt. zinc oxide or gallium oxide.

P R I m e R 1. An aqueous solution of aluminum sulfate containing 20 kg/m3aluminum oxide and 70 kg/m3sulfuric acid, an aqueous solution of sodium silicate (liquid glass) concentration of NaOH 1.6 kg-EQ/m3and suspension sverkhvysokochastotnogo (ICS) zeolite type pentasil a molar ratio of SiO2/Al2O340, containing 100 kg/m3CRS-zeolite, mixed in sessionerror oil. Then the hydrogel treated with an aqueous solution of ammonium sulfate concentration of 10 kg/m3at the 50aboutC for 18 h, washed with condensate water at 50aboutC for 20 h from sulfate ions, dried at 150aboutC and calcined at 550aboutC for 12 h in air flow.

The catalyst containing 2 wt. CRS-zeolite and has the following chemical composition, wt. aluminum oxide 6.0 sodium oxide 0.1 silica else

(up to 100).

P R I m m e R 2. An aqueous solution of aluminum sulfate containing 20 kg/m3aluminum oxide and 70 kg/m3sulfuric acid, an aqueous solution of sodium silicate concentration of NaOH 1.6 kg/m3and suspension CRS-zeolite type pentasil a molar ratio of SiO2/Al2O340 in an aqueous solution of aluminum sulfate containing 100 kg/m3CRS-zeolite and 5 kg/m3aluminium oxide is mixed in the mixer. Further according to the example 1.

The catalyst containing 2 wt. CRS-zeolite and has the following chemical composition, wt. aluminum oxide 6.1 oxide sodium 0.1 silica else.

The catalyst was prepared as in example 1.

P R I m e R 3. The catalyst was prepared as in example 1. After activation of ammonium sulfate hydrogel abrabanel water and then in example 1.

The catalyst containing 2 wt. CRS-zeolite and has the following chemical composition, wt. aluminum oxide 7.5 sodium oxide 0.1 silica else

P R I m e R 4. The catalyst was prepared as in example 1. After washing the condensate water, the hydrogel is subjected to spray drying at 400aboutC and calcining at 600aboutWith 12 h in air. The resulting catalysts containing 2 wt. CRS-zeolite and has a chemical composition of example 1.

P R I m e R 5. An aqueous solution of aluminum sulfate containing 20 kg/m3aluminum oxide and 70 kg/m3sulfuric acid and an aqueous solution of sodium silicate concentration of NaOH 1.6 kg-EQ/m3mix in the mixer and forth in example 1. After washing, the hydrogel is dispersed with SPCS-zeolite type pentasil a molar ratio of SiO2/Al2O340 and subjected to spray drying under the conditions of example 4. The catalyst containing 2 wt. CRS-zeolite and has a chemical composition of example 1.

P R I m EP R 6. The catalyst was prepared as in example 5. After dispersion with SPCS-zeolite and spin on filter press receive the extrudate Chervyakova form, which is dried at 150aboutC and calcined at 600aboutWith 6 hours the catalyst is about example 6. After the filter press, the hydrogel is dried at 150aboutC. and Then formed into pellets and calcined at 600aboutAt 6 a.m. the catalyst containing 2 wt. CRS-zeolite and has a chemical composition of example 1.

P R I m e R 8. An aqueous solution of aluminum sulfate containing 2 kg/m3aluminum oxide and 90 kg/m3sulfuric acid, an aqueous solution of sodium silicate concentration of NaOH 1.8 kg-EQ/m3and suspension CRS-zeolite with a molar ratio of SiO2/Al2O3=25 containing 10 kg/m3CRS-zeolite are mixed in the mixer with the formation of a Hydrosol, which is coagulated in 5aboutC and a pH of 8.4 in the hydrogel pellet form in a layer of mineral oil. Then the hydrogel treated with an aqueous solution of ammonium nitrate concentration of 5 kg/m3when 30aboutC for 36 h, washed with condensate water at 30aboutC for 18 h from nitrate ions, dried at 120aboutC and calcined at 500aboutC for 24 h in air flow.

The resulting catalyst contains 0.5 wt. CRS-zeolite and has the following chemical composition, wt. alumina oxide 0.5 sodium 0.05 silicon oxide rest.

P R I m e R 9. An aqueous solution of ammonium sulfate containing 25 kg/m3aluminum oxide and 50 kg/m32/Al2O390 containing 150 kg/m3CRS-zeolite are mixed in the mixer with the formation of a Hydrosol, which coagulated at 20aboutC and a pH of 7.8, the hydrogel pellet form in a layer of mineral oil. Then the hydrogel treated with an aqueous solution of ammonium chloride concentration of 20aboutWith kg/m3at 60aboutC for 12 h, washed with condensate water at 60aboutC for 8 h from the chloride ions, dried at 190aboutC and calcined at 600aboutC for 6 h in air flow.

The catalyst containing 5 wt. CRS-zeolite and has the following chemical composition, wt. aluminum oxide 7.5 oxide sodium oxide 0.5 silica rest.

P R I m e R 10 (for comparison). The catalyst prepared according to the prototype (1).

The catalyst containing 10 wt. CRS-zeolite with a molar ratio of SiO2/Al2O330 and has the following chemical composition, wt. aluminum oxide 6 oxide sodium oxide 0.5 silica rest.

The catalysts according to examples 1-10 were tested in the process of refining gasoline on running the installation with a fixed catalyst bed at atmospheric pressure, a temperature of 350aboutC, space velocity of the raw material 1 h-1R & d>30.71 their boiling temperature according to GOST,aboutWith 35-190 sulfur Content, wt. 0,1 Octane number (m m) 50,4

Group hydrocarbon composition, wt. Unsaturated 4 Paraffin-naphthenic 87 Aromatic 9

P R I m e R s 11-12. The catalysts according to examples 1,10 respectively were similar to the test conditions of the catalysts of examples 1-10 at 200aboutC and space velocity of the feedstock 0.5 h-1.

P R I m e R s 13-14. The catalysts according to examples 1,10 respectively were similar to the test conditions of the catalysts of examples 1-10 400aboutC and space velocity of the raw materials 2.5 h-1.

P R I m e R s 15-16. The catalysts according to examples 1,10 respectively were similar to the test conditions of the catalysts of examples 1-10 at a pressure of 1 MPa, 350aboutC, space velocity of the raw material 1 h-1and duration of experience 0.5 hours

P R I m e R s 17-26. The catalysts according to examples 1-10 respectively were in the process of refining gasoline, thermal cracking at atmospheric pressure, 350aboutC, space velocity of the raw material 1 h-1and duration of experience 0.5 hours

thermal cracking gasoline had the following characteristics: Density, kg/m3740 Limits wikilaw, wt. Unsaturated 38 Paraffin-naphthene Aromatic 51 11

P R I m e R s 27-28. The catalysts according to examples 1,10 respectively were similar to the test conditions of the catalysts of examples 17-26 at 200aboutC and space velocity of the feedstock 0.5 h-1.

P R I m e R s 29-30. The catalysts according to examples 1,10 respectively were similar to the test conditions of the catalysts of examples 17-26 at 400aboutC and space velocity of the raw materials 2.5 h-1.

P R I m e R s 31-32. The catalysts according to examples 1,10 respectively were similar to the test conditions of the catalysts of examples 17-26 at a pressure of 1 MPa.

P R I m e R 33. The catalyst was prepared as in example 1. After activation of ammonium sulfate hydrogel treated with an aqueous solution of zinc sulfate concentration of 2 kg/m3at the 50aboutC for 6 h and further according to the example 1.

The catalyst containing 2 wt. CRS-zeolite and has the following chemical composition, wt. aluminum oxide 6 zinc oxide 1 oxide sodium 0.1 silica else

P R I m e R 34. An aqueous solution of ammonium sulfate containing 2 kg/m3aluminium oxide 90 kg/m3sulfuric acid, an aqueous solution of sodium silicate concentration of NaOH 1.8 kg-EQ/mthe re zinc sulfate, containing 10 kg/m3CRS-zeolite and 1 kg/m3zinc oxide is mixed in the mixer and forth in example 8.

The resulting catalyst contains 0.5 wt. CRS-zeolite and has the following chemical composition, wt. alumina oxide 0.5 zinc oxide sodium 0.05 0.05 silicon oxide rest

P R I m e R 35. An aqueous solution of aluminum sulfate and zinc, containing 25 kg/m3aluminum oxide, 8,3 kg/m3zinc oxide and 50 kg/m3sulfuric acid and forth in example 9.

The catalyst containing 5 wt. CRS-zeolite and has the following chemical composition, wt. aluminum oxide 7.5 zinc oxide 2,5 oxide sodium oxide 0.5 silica rest

P R I m e R 36. The catalyst was prepared as in example 33. After washing, the hydrogel is subjected to spray drying at 400aboutWith in the air. The resulting catalyst has a microspherical form and contains 2 wt. CRS-zeolite and has a chemical composition of example 33.

P R I m e R 37. The catalyst was prepared as in example 33. After dispersion and spin on filter press receive the extrudate Chervyakova form under the conditions of example 6. The catalyst containing 2 wt. CRS-zeolite and has a chemical composition of example 33. The catalysts according to examples 33-37 felt unitively similar to the test conditions of the catalysts of examples 11-12.

P R I m e R 39. The catalyst according to example 33 was tested similarly to the test conditions of the catalysts of examples 13-14.

P R I m e R 40. The catalyst according to example 33 was tested similarly to the test conditions of the catalysts of examples 15-16.

P R I m e R s 41-45. The catalysts according to examples 33-37 felt similar to the test conditions of the catalysts of examples 17-26.

P R I m e R 46. The catalyst according to example 33 was tested similarly to the test conditions of the catalysts of examples 27-28.

P R I m e R 47. The catalyst according to example 33 was tested similarly to the test conditions of the catalysts of examples 29-30.

P R I m e R 48. The catalyst according to example 33 was tested similarly to the test conditions of the catalysts of examples 31-32.

P R I m e R 49. An aqueous solution of aluminum sulfate containing 20 kg/m3aluminum oxide and 70 kg/m3sulfuric acid, an aqueous solution of sodium silicate concentration of NaOH 1.6 kg-EQ/m3and suspension CRS-zeolite type pentasil a molar ratio of SiO2/Al2O340 in an aqueous solution of gallium nitrate containing 10 kg/m3CRS-zeolite and 6 kg/m3gallium oxide, are mixed in a mixer and forth in example 1.

The resulting catalyst contains 2 aluminum else

P R I m e R 50. An aqueous solution of aluminum sulfate and gallium containing 25 kg/m3aluminum oxide, 8.3 gallium oxide and 50 kg/m3sulfuric acid and forth in example 9.

The catalyst containing 5 wt. CRS-zeolite and has the following chemical composition, wt. alumina oxide gallium 7.5 2.5 oxide sodium oxide 0.5 silica rest

P R I m e R 51. The catalyst was prepared as in example 7. After activation of ammonium sulfate hydrogel treated with an aqueous solution of gallium sulfate concentration of 1 kg/m3when 30aboutC for 6 h and further in example 8.

The resulting catalyst contains 0.5 wt. CRS-zeolite and has the following chemical composition, wt. alumina oxide 0.5 gallium oxide sodium 0.05 0.05 silicon oxide rest

P R I m e R 52. The catalyst was prepared as in example 49. After washing, the hydrogel is subjected to spray drying at 400aboutWith and calcining in air at 600aboutC.

The resulting catalyst has a microspheric form, contains 2 wt. CRS-zeolite and has a chemical composition of example 49.

P R I m e R 53. The catalyst was prepared under the conditions of example 49. After dispersion and spin on filter press receive the extrudate Chervyakova form when SS="ptx2">

The catalysts according to examples 49-53 felt similar to the test conditions of the catalysts of examples 1-10.

P R I m e R 54. The catalyst according to example 49 was tested similarly to the test conditions of the catalysts of examples 11-12.

P R I m e R 55. The catalyst according to example 49 was tested similarly to the test conditions of the catalysts of examples 13-14.

P R I m e R 56. The catalyst according to example 49 was tested similarly to the test conditions of the catalysts of examples 15-16.

P R I m e R s 57-61. The catalysts obtained in examples 49-53 respectively were similar to the test conditions of the catalysts of examples 17-26.

P R I m e R 62. The catalyst according to example 49 was tested similarly to the test conditions of the catalysts of examples 27-28.

P R I m e R 63. The catalyst according to example 49 was tested similarly to the test conditions of the catalysts of examples 29-30.

P R I m e R 64. The catalyst according to example 49 was tested similarly to the test conditions of the catalysts of examples 31-32.

The results of the testing of the catalysts according to the examples presented in the table. From the results shown in the table, it is seen that the invention successfully solved. So in relation to the catalyst obtained by promote this octane number increases by 3.5-8.6 points (m, m).

1. The CATALYST FOR REFINING GASOLINE containing servicecompany zeolite type pentasil and amorphous silica-alumina base, characterized in that it contains 0.5 to 5 wt. sverkhvysokochastotnogo zeolite type pentasil a molar ratio of SiO2/Al2O325-90 and has the following chemical composition, wt.

Aluminum oxide is 0.5 to 7.5

The sodium oxide 0,05 0,5

Silica Rest

2. The catalyst p. 1, characterized in that it additionally contains 0.05 to 2.5 wt. zinc oxide or oxide Galiya.

 

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9 cl, 12 dwg, 7 tbl, 8 ex

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2 tbl, 5 ex

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3 cl, 1 tbl, 13 ex

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4 cl, 1 dwg, 1 tbl

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