A kind of processing method of gasoline
A treatment method and gasoline technology, which are applied in the fields of hydrocarbon oil treatment products, treatment of hydrocarbon oil, hydrotreating processes, etc., can solve the problems of gasoline octane number loss, etc., so as to improve octane number, maintain octane number, and reduce gasoline. The effect of vapor pressure
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment approach
[0048] A specific embodiment, based on the dry weight of the adsorption desulfurization catalyst and based on the weight of oxides, the zinc oxide in the adsorption desulfurization catalyst accounts for 10-90% by weight, and the silicon dioxide accounts for 5-85% by weight. %, aluminum oxide accounts for 5-30% by weight; based on the dry basis weight of the adsorption desulfurization catalyst and calculated by element weight, the content of the desulfurization active metal in the adsorption desulfurization catalyst is 5-30% by weight.
[0049] According to the present invention, the adsorption desulfurization catalyst may also contain 1-10% by weight of coke-like substances. Industrial practice shows that the carbon content on the adsorption desulfurization catalyst has an impact on the desulfurization efficiency of the adsorption desulfurization catalyst and the loss of gasoline octane number. With the increase of the carbon content of the adsorption desulfurization catalyst, ...
specific Embodiment approach
[0051] A specific embodiment, the preparation process of the molecular sieve with MFI structure can include ammonia exchange, phosphorus modification, metal component modification and roasting treatment steps, more specifically, the molecular sieve with MFI structure obtained by conventional crystallization The sodium type molecular sieve according to the molecular sieve: ammonia salt: H 2 The weight ratio of O=1:(0.1-1):(5-10) is exchanged at room temperature to 100° C. for 0.3-1 hour and then filtered to introduce phosphorus-containing compounds and compounds selected from Fe, Co, Ni, Zn, Mn, The molecular sieve is modified by one or more compounds of Ga and Sn, and then calcined at 400-800° C. for 0.5-8 hours, wherein the calcining process can also be carried out under a water vapor atmosphere. Furthermore, for the molecular sieve with MFI structure provided by the present invention, the molecular sieve can be modified by impregnation or ion exchange during the preparation ...
Embodiment 1
[0071] The heavy gasoline fraction coded as HCN-A is mixed with an adsorption desulfurization catalyst FCAS and an aromatization catalyst OTAZ-C-3 (OTAZ-C-3 accounts for 7% of the total weight of the catalyst) in a small continuous fluidized bed reactor Mixed catalysts are contacted to carry out adsorption desulfurization and aromatization reactions. The operating conditions are: the reaction temperature is 400°C, the reactor pressure is 2.1MPa, and the weight hourly space velocity of the heavy gasoline fraction is 6 hours -1 , the volume ratio of hydrogen to heavy gasoline fraction is 75. The desulfurization and aromatization products obtained from the top of the reactor are cooled and separated to obtain tail gas and heavy gasoline products (referred to as HCN-A heavy gasoline products, the same below, see Table 4 for properties). The regeneration temperature of the mixed catalyst is 550°C, and the regenerated mixed catalyst is returned to the reactor for recycling.
PUM
Property | Measurement | Unit |
---|---|---|
particle diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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