A hydrocarbon oil desulfurization catalyst and its preparation method and hydrocarbon oil desulfurization process
A desulfurization catalyst, hydrocarbon oil technology, applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as increasing operating costs, catalysts are prone to wear, etc., reducing operating costs and anti-wear performance. Good, high stability effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
preparation example Construction
[0033] The present invention also provides the preparation method of the hydrocarbon oil desulfurization catalyst provided by the present invention, the preparation method comprising: a, the sulfur-storing metal oxide and / or the precursor of the sulfur-storing metal oxide, the precursor of the zirconia binder, Boron nitride, molecular sieve with IMF structure, water and acidic liquid are mixed to obtain a carrier slurry; wherein, the pH value of the carrier slurry is 1-5; b, the obtained carrier slurry is spray-dried, formed, first dried and first Roasting to obtain a catalyst carrier; c, introducing the precursor of the metal promoter into the catalyst carrier and then performing the second drying and second calcination in sequence; optionally d, reducing the product obtained in step c under a hydrogen-containing atmosphere; Hydrocarbon oil desulfurization catalyst.
[0034] According to the present invention, the precursor of the zirconia binder is zirconia sol, zirconia gel...
Embodiment approach
[0044] One embodiment, the present invention specifically includes the following solutions:
[0045] 1. A desulfurization catalyst comprising:
[0046] 1) Sulfur-storage metal oxides, wherein the sulfur-storage metal is selected from one or more of the metals of Group IIB of the Periodic Table of the Elements, the metals of Group VB of the Periodic Table of the Elements, and the metals of Group VIB of the Periodic Table of the Elements, preferably selected from One or more of zinc, cadmium, niobium, tantalum, chromium, molybdenum, tungsten and vanadium, more preferably one or more selected from zinc, molybdenum and vanadium, more preferably zinc;
[0047] 2) Inorganic binder, preferably zirconia;
[0048] 3) The carrier component is boron nitride (preferably hexagonal phase boron nitride) or said boron nitride and oxides, nitrides, carbides, oxynitrides, carbonitrides, carbon oxides selected from element A and a combination of one or more of oxycarbonitride, wherein the elem...
Embodiment 1
[0096] 1.91kg of zirconium tetrachloride (Beijing Chemical Plant, analytically pure, 99% by weight) was slowly added to 3.0kg of deionized water, and 4.6kg of 5% by weight of nitric acid solution was added, slowly stirred to avoid the precipitation of zirconia crystals, and obtained Light yellow transparent zirconium sol pH=2.1;
[0097] With 4.43kg of zinc oxide powder (Headhorse company, purity 99.7% by weight), 0.75kg of HIM-5 molecular sieve (Sinopec Catalyst Changling Branch Company, containing dry basis 0.70kg, SiO 2 :Al 2 o 3 The molar ratio is 25), 2.06kg of hexagonal boron nitride (purity>99.0%, Qinhuangdao Yinuo High-tech Material Development Co., Ltd.) and 6.57kg of deionized water are mixed, and after stirring for 30 minutes, zinc oxide, HIM-5 molecular sieve and a mixed slurry of hexagonal boron nitride; then add the above-mentioned zirconium sol, mix and stir for 1 hour to obtain a carrier slurry;
[0098] The resulting carrier slurry was used in Niro Bowen No...
PUM
Property | Measurement | Unit |
---|---|---|
specific surface area | 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