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

A production method and production system of ultra-clean high-octane gasoline

A production method and gasoline technology, applied in hydrocarbon oil treatment products, chemical instruments and methods, refined hydrocarbon oil, etc., can solve problems such as complex process flow and low liquid yield of gasoline products

Active Publication Date: 2019-04-30
CHINA UNIV OF PETROLEUM (BEIJING)
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above two methods can obtain clean gasoline products, and the octane number of the middle distillate is improved after catalytic reforming, and can be mixed with light and heavy distillate gasoline to obtain clean gasoline with a high octane number; but the process is complicated and requires The catalytic reforming reactor and the hydrodesulfurization reactor cooperate with each other; and the middle distillate gasoline is reformed to produce liquefied gas and hydrogen, and the liquid yield of gasoline products is low

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A production method and production system of ultra-clean high-octane gasoline
  • A production method and production system of ultra-clean high-octane gasoline
  • A production method and production system of ultra-clean high-octane gasoline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] This embodiment provides a sulfur content of 625.3μg·g -1 , 35.6v% olefin content, 14.4v% aromatics content, 18.2v% isoparaffin content, 0.7v% benzene content FCC gasoline (full distillate gasoline, raw material oil 1) is used as raw material for hydroreforming treatment to produce ultra-low sulfur The high-octane gasoline method.

[0096] Wherein, based on the total weight of each catalyst, the composition ratio of each catalyst is as follows:

[0097] Oriented sulfur transfer catalyst: 12wt.% NiO, 6wt.% MoO 3 , 2wt.% La 2 o 3 , 20wt.% stepped hole HZSM-5, 60wt.% Al 2 o 3 -SiO 2 (silicon-containing alumina);

[0098] Light gasoline esterification catalyst: 40wt.% HZSM-5, 60wt.% Al 2 o 3 -SiO 2 (silicon-containing alumina);

[0099] Medium gasoline esterification catalyst: 50wt.% HZSM-5, 50wt.% Al 2 o 3 -SiO 2 (silicon-containing alumina);

[0100] Medium gasoline extraction solvent: 90wt.% sulfolane and 10wt.% tetraethylene glycol;

[0101] One-stage se...

Embodiment 2

[0147] This embodiment provides a method and system for producing ultra-clean high-octane gasoline using the aforementioned feedstock 1 as a raw material.

[0148] Such as figure 2 As shown, the system of this embodiment is basically the same as that of Embodiment 1, except that the raffinate outlet of the extraction and distillation system 106 is not connected to the reaction raw material inlet of the medium gasoline esterification reactor 111 but is directly connected to the The reaction raw material inlet of the hydrocarbon isomerization / aromatization reactor 110; that is, the system of this embodiment does not have the medium gasoline esterification reactor 111, the formic acid extraction system and the coalescence dehydrator 112, but the extraction distillation system The raffinate outlet of 106 is directly connected to the reaction raw material inlet of the hydrocarbon isomerization / aromatization reactor 110 through pipelines, and the rest are the same as the aforementi...

Embodiment 3

[0154] This embodiment provides a sulfur content of 1230.0μg·g -1 , olefin content 42.3v%, aromatics content 20.3v%, isoparaffin content 20.2v%, benzene content 1.5v% high sulfur, high olefin, high benzene FCC gasoline (stock oil 2, its properties see Table 3) as raw material A method and system for producing ultra-clean high-octane gasoline.

[0155] Such as image 3 As shown, the system of this embodiment is basically the same as that of Embodiment 1, only a debenzene tower 113 is set on the pipeline between the extraction oil outlet of the extraction distillation system 106 and the reaction material inlet of the first-stage hydrodesulfurization reactor 107, The outlet of the extracted oil after debenzene removal in the debenzene tower 113 is connected to the first-stage hydrodesulfurization reactor 107, and the rest are the same as in Example 1.

[0156] The method of producing ultra-clean high-octane gasoline using feedstock 2 is as follows:

[0157] Compatible with the...

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

PropertyMeasurementUnit
diameteraaaaaaaaaa
Login to View More

Abstract

The invention provides a production method and production system of ultra-clean high-octane gasoline, the production method comprising: making the whole distillate gasoline undergo a directional sulfur transfer reaction, and then cutting the oil products to obtain light gasoline fractions, medium gasoline fractions and heavy gasoline distillate; carry out esterification reaction to light gasoline fraction to obtain esterified light gasoline; medium gasoline fraction obtains raffinate oil and extracted oil through extraction and distillation system; conduct esterification reaction to raffinate oil to obtain esterified medium gasoline; The heavy gasoline distillate is mixed with the extracted oil to obtain mixed oil, and then the first-stage hydrodesulfurization reaction, the second-stage hydrodesulfurization reaction, and the de-H 2 S and hydrocarbon isomerization / aromatization reaction to obtain treated heavy gasoline; blend esterified light gasoline, esterified medium gasoline and treated heavy gasoline to obtain clean gasoline. The method of the invention is especially suitable for catalytic cracking gasoline with high sulfur and high olefins, and can maintain or increase the octane number of gasoline while performing ultra-deep desulfurization.

Description

technical field [0001] The present invention relates to a production method and production system of ultra-clean high-octane gasoline, in particular to the field of catalytic cracking (FCC) gasoline refining, especially the ultra-deep desulfurization of low-quality FCC gasoline with ultra-high sulfur and high olefins- Restoring (or increasing) the octane number hydro-upgrading method. Background technique [0002] Under the trend of increasingly stringent environmental protection regulations in the world, countries around the world have begun to strengthen the requirements for the quality standards of gasoline products. From January 1, 2017, the country began to supply National V standard gasoline. The National V gasoline standard stipulates that the sulfur content in gasoline is ≤10mg / Kg, and the olefin content is ≤24v%. , which makes my country's oil refining industry face severe challenges. The vast majority (more than 70%) of my country's motor gasoline is FCC gasoline...

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 Patents(China)
IPC IPC(8): C10G67/00
CPCC10G67/00C10G2400/02C10G2300/202C10G45/12C10G67/04C10G7/08C10G21/00C10G2300/104C10G2300/1044C10G67/14C10G2300/1037C10L1/023B01J19/245C10L2290/24B01J2219/24C10L2270/023C10L2200/0423C10L2290/543
Inventor 范煜王世华
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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