Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Poor petrol catalytic hydrofinishing method

A technology for catalytic hydrogenation and low-quality gasoline, applied in refining to remove heteroatoms, etc., can solve the problems of complex catalyst preparation steps, achieve the effect of enhancing the anti-coking ability and prolonging the service life

Active Publication Date: 2007-03-28
PETROCHINA CO LTD
View PDF3 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the "China Applicable Technology Achievement Library", it is introduced that the gasoline hydrogenation catalyst uses alumina and titanium dioxide as the carrier, and molybdenum, cobalt, and nickel as the active components. When impregnating metals, a two-step impregnation method is used, and the preparation steps of the catalyst are complicated.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Mix 85.0g of alumina dry rubber powder, 15.0g of titanium dioxide powder, 3.0g of turnip powder, 5.0g of nitric acid, and 65.0g of deionized water into a uniform shape, dry it in a microwave oven for 3min to 20min, and then heat it in an air atmosphere at 450°C to 600°C. Roast for 4hr to 6hr to make a carrier. Use basic cobalt carbonate, molybdenum trioxide, ammonium metatungstate, and boric acid to make an alkaline solution, impregnate the above carrier, keep it at room temperature for 2hr~3hr hours, dry it in a microwave oven for 3min~20min, and bake it in an air atmosphere at 500℃~550℃ Catalyst A was prepared in 4hr~6hr, and its properties are shown in Table 1. The properties of the raw oil are shown in Table 2, the reaction hydrogen partial pressure is 4.0MPa, the reaction temperature is 350°C, and the liquid hourly volume space velocity is 4.0h -1 , The volume ratio of hydrogen to oil is 300:1. The results are shown in Table 3.

Embodiment 2

[0024] Mix 85.0g of alumina dry rubber powder, 15.0g of titanium dioxide powder, 0.5g of strontium oxide, 3.0g of scallop powder, 5.0g of nitric acid, and 65.0g of deionized water into a uniform shape, dry it in a microwave oven for 3min to 20min, and then heat it at 450℃ Baking in an air atmosphere at ~600°C for 4hr~6hr to make a carrier. Use basic cobalt carbonate, molybdenum trioxide, ammonium metatungstate, and boric acid to prepare an alkaline solution, impregnate the above-mentioned carrier, keep it at room temperature for 2hr~3hr hours, dry it in a microwave oven for 3min~20min, and activate it in an air atmosphere at 500℃~550℃ Catalyst B was prepared by calcining for 4hr to 6hr, and its properties are shown in Table 1. The properties of the raw oil are shown in Table 2, the reaction hydrogen partial pressure is 2.5MPa, the reaction temperature is 220°C, and the liquid hourly volume space velocity is 2.0h -1 , The volume ratio of hydrogen to oil is 400:1. The results ...

Embodiment 3

[0026] Mix 85.0g of alumina dry rubber powder, 15.0g of titanium dioxide powder, 1.0g of strontium oxide, 3.0g of scallop powder, 5.0g of nitric acid, and 65.0g of deionized water into a uniform shape, dry it in a microwave oven for 3min to 20min, and then heat it at 450℃ Baking in an air atmosphere at ~600°C for 4hr~6hr to make a carrier. Use basic cobalt carbonate, molybdenum trioxide, ammonium metatungstate, and boric acid to make an alkaline solution, impregnate the above carrier, keep it at room temperature for 2hr~3hr hours, dry it in a microwave oven for 3min~20min, and bake it in an air atmosphere at 500℃~550℃ Catalyst C was prepared in 4hr~6hr, and its properties are shown in Table 1. The properties of the raw oil are shown in Table 2. The reaction hydrogen partial pressure is 3.0 MPa, the reaction temperature is 300 °C, and the liquid hourly volume space velocity is 3.0 h. -1 , The volume ratio of hydrogen to oil is 350:1. The results are shown in Table 3.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to hydro-fining method for ungraded gasoline, especially for delayed coking gasoline and pressure gasoline. Its feature is that processing hydro-fining for olefin and sulfur containing delayed coking gasoline and pressure gasoline under the action of catalyst and in condition that reacting hydrogen partial pressure 2.0MPa-6.0MPa, reacting temperature 200-300 degree centigrade, liquid hour volume airspeed 1.0h-1-5.0h-1, hydrogen gasoline volumetric ratio 200-500:1; the catalyst components weight percentages are as follows: alumina 30.0-80.0%, titanium dioxide 1.0-20.0%, molybdenum oxide 10.0-25.0%, cobalt blue 2.0-10.0%, tungsten trioxide 1.0-7.0%, boron trioxide 0.5-5.0%, and strontium oxide 0.1-5.0%. The catalyst of the invention can process the olefin and sulfur containing ungraded gasoline at the hydrogenation condition after precuring, has higher olefin saturation and desulfurizing denitriding performance, has less than 2.0v% olefin content for hydrogenated products, not less than 99.0wt% for gasoline yield.

Description

technical field [0001] The invention relates to a hydrogenation refining method for reducing olefin content and sulfur content of inferior gasoline, especially delayed coking gasoline and thermal cracking gasoline. Background technique [0002] With the increasingly stringent standards on clean fuels and environmental regulations around the world, delayed coking gasoline can no longer be directly shipped as commercial blended gasoline, which affects the economic benefits of refineries. In order to make reasonable use of delayed coking gasoline in refineries, it is urgent to develop a low-quality gasoline hydrorefining catalyst so that refined gasoline can be used as reforming raw materials or cracking raw materials for ethylene. Expand reformed gasoline feedstock or ethylene cracking feedstock. Therefore, it is necessary to develop low-quality gasoline hydrorefining catalysts with excellent performance. [0003] The gasoline hydrogenation catalyst disclosed in CN85104438 u...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C10G45/02C10G45/08
Inventor 张庆武赵野田然王路海张文成王元琪郝赫超刘文勇刘玉鹏李崧延孟繁喆张铁珍袁大辉郭世莲付丽李井泉满艳茹张国静张玉君孔宪君王秋梅陈志勇李宜辉王洪涛
Owner PETROCHINA CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com