Catalyzer catalyzing and directly decomposing nitrogen oxide and preparing method and application of the same
A technology for catalytic decomposition of nitrogen oxides, applied in metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, separation methods, etc., can solve problems such as catalyst poisoning, lack of resources, expensive precious metals, etc.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0017] Preparation and use of catalysts that catalyze the direct decomposition of nitrogen oxides, La 2 NiO 4 The preparation method is to weigh lanthanum nitrate and nickel nitrate according to the amount of substance 1:1, add to water, stir and dissolve, then add citric acid solid twice the total amount of the above components, stir for 20 minutes, evaporate under stirring , concentrated, exploded, the product obtained after the explosion was ground, placed in a muffler furnace, roasted at 500°C for 2 hours, cooled, pressed into tablets, and then placed in a muffler furnace, roasted at 900°C for 5 hours to obtain La 2 NiO 4 ; BaCO 3 The preparation method is to mix Ba(NO 3 ) 2 ·6H 2 O and (NH 4 ) 2 CO 3 respectively dissolved in water, stirred to dissolve, (NH 4 ) 2 CO 3 The solution was added dropwise to the stirred Ba(NO 3 ) 2 solution, a white precipitate was obtained, washed, dried at 105°C, ground, and then calcined at 900°C for 5 hours to obtain white BaCO...
Embodiment 2
[0019] Preparation and use of catalysts that catalyze the direct decomposition of nitrogen oxides, La 2 NiO 4 The preparation method is to weigh lanthanum nitrate and nickel nitrate according to the amount of substance 1:1, add to water, stir and dissolve, then add citric acid solid twice the total amount of the above components, stir for 20 minutes, evaporate under stirring , concentrated, exploded, the product obtained after the explosion was ground, placed in a muffler furnace, roasted at 500°C for 2 hours, cooled, pressed into tablets, and then placed in a muffler furnace, roasted at 900°C for 5 hours to obtain La 2 NiO 4 ; BaCO 3 The preparation method is to mix Ba(NO 3 ) 2 ·6H 2 O and (NH 4 ) 2 CO 3 respectively dissolved in water, stirred to dissolve, (NH 4 ) 2 CO 3 The solution was added dropwise to the stirred Ba(NO 3 ) 2 solution, a white precipitate was obtained, washed, dried at 105°C, ground, and then calcined at 900°C for 5 hours to obtain white BaCO...
Embodiment 3
[0021] Preparation and use of catalysts that catalyze the direct decomposition of nitrogen oxides, La 2 NiO 4 The preparation method is to weigh lanthanum nitrate and nickel nitrate according to the amount of substance 1:1, add to water, stir and dissolve, then add citric acid solid twice the total amount of the above components, stir for 20 minutes, evaporate under stirring , concentrated, exploded, the product obtained after the explosion was ground, placed in a muffler furnace, roasted at 500°C for 2 hours, cooled, pressed into tablets, and then placed in a muffler furnace, roasted at 900°C for 5 hours to obtain La 2 NiO 4 ; BaCO 3 The preparation method is to mix Ba(NO 3 ) 2 ·6H 2 O and (NH 4 ) 2 CO 3 respectively dissolved in water, stirred to dissolve, (NH 4 ) 2 CO 3 The solution was added dropwise to the stirred Ba(NO 3 ) 2 solution, a white precipitate was obtained, washed, dried at 105°C, ground, and then calcined at 900°C for 5 hours to obtain white BaCO...
PUM
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