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Conversion process of grease

A technology of oil and catalyst, applied in the field of organic matter conversion process, can solve the problems of low freezing point, high hydrogen consumption and energy consumption, complex process, etc., and achieve the effect of low hydrogen consumption

Active Publication Date: 2013-09-11
PETROCHINA CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The long-chain isoparaffin obtained by the two-step process has high cetane number, low freezing point and good low-temperature performance. It is carried out on different reactors and different catalysts. The whole process requires multiple reactors and multi-step operation procedures. The process is complicated, the hydrogen consumption and energy consumption are high, and the investment in production equipment is large.

Method used

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  • Conversion process of grease
  • Conversion process of grease
  • Conversion process of grease

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0117] Catalyst preparation

[0118] SAPO-11 and ZSM-22 molecular sieves were synthesized according to the methods in the literature Pure Appl. Chem. 58 (1986) 1351-1358 and Zeolites 5 (1985) 349-351. γ-Al used 2 o 3 Produced for Shandong Aluminum Co., Ltd. The synthesized molecular sieve and 30wt.% γ-Al 2 o 3 Mixing, extruding, molding, calcining and other steps to prepare the catalyst carrier. The catalysts in all the following examples were prepared by incipient wetness impregnation.

[0119] The incipient wetness impregnation method is a well-known method for preparing supported catalysts. Its general steps are: impregnating a salt solution containing catalytically active metal element M1 with a total volume equal to the total pore volume of the support into the support; The total volume of the absorbed impregnating liquid is equal to the total pore volume of the carrier, so that all the impregnating liquid enters the pores of the carrier, and no obvious impregnating...

Embodiment 2

[0130] One-step production of second-generation biodiesel and / or biojet fuel from soybean oil using Pt / SAPO-11 catalyst

[0131] Weigh 7.5g of Pt / SAPO-11 catalyst (10mL, particle size 10-20 mesh) with a Pt loading of 1wt.%, and put it in a stainless steel fixed-bed reactor with an inner diameter of 10mm and a tube length of 0.6m. Both ends of the reactor are filled with 20-40 mesh quartz sand. Hydrogen was introduced into the reactor, and soybean oil (produced by COFCO Corporation, grade 3, in line with GB1535-2003 national standard) was used as raw material for sample injection. The reaction conditions are: 357°C, 4.0MPa, LHSV for 1h -1 , the hydrogen-oil ratio is 1765NL / L. After 3 hours of reaction, samples were taken, the gas phase products were analyzed by GC-TCD, and the liquid phase products were analyzed by GC-FID and GC-MS.

[0132] The reaction results are: the conversion rate of raw materials is 100%, the sum of decarboxylation and decarbonylation rates is 70.6%, ...

Embodiment 3

[0134] One-step production of second-generation biodiesel and / or biojet fuel from soybean oil using Pt / SAPO-11 catalyst

[0135] Weigh 8.1g of Pt / SAPO-11 catalyst (10mL, particle size 10-20 mesh) with a Pt loading of 1wt.%, and put it in a stainless steel fixed-bed reactor with an inner diameter of 10mm and a tube length of 0.6m. Both ends of the reactor are filled with 20-40 mesh quartz sand. Hydrogen was introduced into the reactor, and soybean oil (produced by COFCO Corporation, grade 3, in line with GB1535-2003 national standard) was used as raw material for sample injection. The reaction conditions are: 339°C, 2.0MPa, LHSV 0.6h -1 , the hydrogen-oil ratio is 1765NL / L. After 3 hours of reaction, samples were taken, the gas phase products were analyzed by GC-TCD, and the liquid phase products were analyzed by GC-FID and GC-MS.

[0136] The reaction results are: the conversion rate of raw materials is 99.2%, the sum of decarboxylation and decarbonylation rates is 57.5%, t...

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Abstract

The invention relates to a process of preparing hydrocarbon compounds. According to the process, grease is used as a raw material, the raw material contacts with hydrogen on a catalyst, and a hydrocarbon compound is generated through one-step catalytic reaction. The catalyst involved in the process is a supported metal / carrier catalyst M1-[Sup], and has catalytic activity for converting the grease into the hydrocarbon compounds through one-step reaction, wherein in the composition of the catalyst, M1 is an active metal component, and [Sup] is an acid carrier component. The process can be used for producing the hydrocarbon compounds which have high cetane values, low freezing points, and main components of C11-C24 isoparaffin by using the grease as the raw material, and the hydrocarbon compounds can be used as diesel oil and / or aviation kerosene. In the process provided by the invention, the yield of converting the grease into C11-C24 alkanes is more than 70wt.%, wherein the selectivity of the isoparaffin is more than 60wt.%.

Description

technical field [0001] The invention relates to the conversion process of organic matter, in particular to the conversion process of oil. The present invention also relates to the production process of hydrocarbon compounds, in particular to the process of producing hydrocarbon compounds, especially alkanes, using oil as raw material. The main component of the alkane product produced in the invention is isoparaffin, and the degree of isomerization is controllable. The product produced in the present invention can be used as middle distillate fuel, such as used as diesel oil, or used as aviation kerosene. The oil and fat raw materials involved in the present invention are derived from biological resources. [0002] Specifically, the present invention relates to a process for producing biodiesel and / or bioaviation kerosene whose main components are isoparaffins by using oil as raw material. Specifically, the present invention relates to a catalytic conversion process for prod...

Claims

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Application Information

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IPC IPC(8): C11C3/12B01J29/85B01J29/74
CPCC07C1/2076C07C2529/74C07C2529/85C10G2400/04C10G3/45C10G3/47C10G3/49C10G3/50C10G3/54C10G2300/1014C10G2300/1018B01J29/40B01J29/65B01J29/703B01J29/7034B01J29/7042B01J29/7046B01J29/7484B01J29/83B01J29/84B01J2229/186B01J2229/42C10G3/46C07C2529/83C07C1/2078Y02P30/20C07C9/14C07C9/22B01J19/24B01J19/2445B01J29/005B01J29/7684B01J29/85B01J2219/24B01J2229/20C07C5/2754C07C5/2791C07C2521/04C07C2523/42C07C2523/44C07C2523/652C07C2523/883C07C2529/70
Inventor 田志坚王从新王磊王炳春阎立军曲炜李鹏马怀军徐仁顺
Owner PETROCHINA CO LTD
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