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

Gasoline desulfurization method

A gasoline and catholyte technology, applied in the petroleum industry, refined hydrocarbon oil, etc., can solve the problems of harsh operating conditions, difficult removal of thiophene sulfides from hydrogen sources, and large investment

Inactive Publication Date: 2013-02-13
SHAANXI HI TECH ENERGY DEV
View PDF0 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional catalytic hydrodesulfurization (HDS) process can meet the low-sulfur requirements of gasoline, but there are problems such as large investment, harsh operating conditions, the need for hydrogen sources, and difficult removal of thiophene sulfides; The electrochemical desulfurization method has the advantages of low consumption, less side reactions, high reaction efficiency, small equipment investment, and easy automatic control, so it has gradually attracted people's attention in recent years.

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

[0010] Add 100 mL of 1 mol / L H to the anode tank of the diaphragm electrolyzer 2 SO 4 solution; add 100 mL of saturated ethanol solution of sodium metaborate and 3 g of sodium hydroxide into the cathode tank, and the lead electrode is used as the cathode and anode, and the electrolysis is carried out at normal temperature and pressure, and the catholyte is obtained after reduction.

[0011] Add 10 mL of nickel sulfate methanol saturated solution to 30 mL of gasoline with a sulfur content of 310 μg / g, then add 50 mL of catholyte, stir and react for 15 minutes and let it stand still. After the layers are separated, take the gasoline layer. The sulfur content in the obtained gasoline was 161 μg / g, and the gasoline desulfurization rate was 48.1%.

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
volumeaaaaaaaaaa
Login to View More

Abstract

The invention discloses a gasoline desulfurization method, relating to a method for refining hydrocarbon oil by use of hydrogen or hydrogen generation compounds. The gasoline desulfurization method comprises the following steps of: adding 100mL of 1mol / L H2SO4 solution into an anode slot of a diaphragm electrolytic cell; adding 100mL of saturated sodium metaborate ethanol solution and 3g of sodium hydroxide into a cathode slot; performing electrolysis at normal temperature under normal pressure by taking lead electrodes as a cathode and an anode, and reducing to obtain catholyte; adding 10mL of nickel sulfate methanol saturated solution into 30mL of gasoline, and then adding the catholyte; stirring for reaction and standing; and after layering, fetching the gasoline layer. According to the invention, sodium metaborate is used as a basic substance, and sodium borohydride is generated by an electrochemical reduction method; and a metal compound is added so that the sodium borohydride and the metal compound react together with sulfide in the gasoline to generate precipitates to realize separation from gasoline and achieve the aim of removing sulfides from gasoline.

Description

technical field [0001] The present invention relates to a process for refining hydrocarbon oils with hydrogen or hydrogen-forming compounds. Background technique [0002] With the increasingly stringent environmental protection regulations, the quality requirements for vehicle fuels are becoming more stringent worldwide, and the production of low-sulfur clean fuels has become an inevitable trend. my country has enforced the Euro II emission standard since July 1, 2005, and Beijing will formally implement the Euro III emission standard before 2008, which requires the sulfur content in gasoline to be less than 150 μg / g. Therefore, it is particularly important to develop a method for deep desulfurization of vehicle fuel. [0003] Currently, vehicle fuel desulfurization technologies are divided into two categories: hydrodesulfurization and non-hydrogenation desulfurization. The traditional catalytic hydrodesulfurization (HDS) process can meet the low-sulfur requirements of gas...

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): C10G29/00
Inventor 王耀斌
Owner SHAANXI HI TECH ENERGY DEV
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