Preparation method for nitrided biomass advanced reburning denitration agent and application of nitrided biomass advanced reburning denitration agent
A technology of biomass and denitrification agent, applied in separation methods, chemical instruments and methods, fuels, etc., can solve the problems of narrow temperature window of SNCR technology, difficulty in large-scale utilization of biomass, complicated process, etc., to achieve abundant raw materials and reduce denitrification cost, effects of a wide range of sources
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Example Embodiment
[0027] Example 1
[0028] A preparation method of nitriding biomass advanced reburning denitrification agent includes the following steps:
[0029] (1) Air-drying, crushing, grinding and sieving the straw, the sieving particle size is 0.5mm;
[0030] (2) The pretreated straw is baked at low temperature, under the protection of nitrogen atmosphere, the nitrogen flow rate is 1L / min, the baking temperature is 200℃, the baking time is 30min, and it is cooled to room temperature under nitrogen atmosphere to obtain Carbonized biomass coke, put the carbonized biomass coke into a saturated urea solution, soak for 6 hours at room temperature, and complete the surface ammoniating treatment;
[0031] (3) After the ammoniating treatment, it is fully stirred, dried at a low temperature at 50°C, dried until the moisture content is lower than 15%, and cooled to room temperature to obtain an advanced reburning denitrification agent for nitriding biomass.
Example Embodiment
[0032] Example 2
[0033] A preparation method of nitriding biomass advanced reburning denitrification agent includes the following steps:
[0034] (1) Air-drying, crushing, grinding and sieving the rice husk, the sieving particle size is 1mm;
[0035] (2) Carry out low-temperature roasting of the pretreated rice husks. Under the protection of the boiler circulating flue gas, the air flow is 1L / min, the roasting temperature is 225℃, the roasting time is 26min, and it is cooled to room temperature under a nitrogen atmosphere. Carbonized biomass coke, put into urea saturated solution, immerse for 12h at room temperature, complete the surface ammoniation treatment;
[0036] (3) After the ammoniating treatment, it is fully stirred, dried at a low temperature at 50°C, dried until the moisture content is lower than 15%, and cooled to room temperature to obtain an advanced reburning denitrification agent for nitriding biomass.
Example Embodiment
[0037] Example 3
[0038] A preparation method of nitriding biomass advanced reburning denitrification agent includes the following steps:
[0039] (1) Air-dry, crush, grind and siev the wood chips, and the sieving particle size is 1.5mm;
[0040] (2) Put the pretreated sawdust into an ammonia solution containing 28% ammonia and immerse it for 18 hours at room temperature to complete the surface ammoniating treatment;
[0041] (3) After the ammoniating treatment, it is fully stirred, dried at a low temperature at 50°C, dried until the moisture content is lower than 15%, and cooled to room temperature to obtain an advanced reburning denitrification agent for nitriding biomass.
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap