Nitrogen Preparation TRIZ Cases
- Diruthenium Ammonia Oxidation Catalysts With Low Overpotential
Diruthenium complexes oxidize ammonia to nitrogen at low overpotential, addressing a key barrier to practical ammonia fuel cells.
- Turbomachine Cooling Using Ammonia Cracking for Hydrogen Fuel
Hot gas path heat cracks ammonia vapor into hydrogen for the combustor while cooling turbomachine components and avoiding dedicated heaters.
- Ti3+-Doped TiO2-x Photocatalyst for Low-Concentration NO Decomposition
Light-activated TiO2-x self-doped with Ti3+ decomposes low-concentration NO into N2 and O2 at room temperature without reducing agents.
- Denitration Catalyst Regeneration With High-Surface-Area Titanium Oxide
Mixing spent denitration catalyst with higher-surface-area titanium oxide restores NOx conversion performance while reducing catalyst disposal.
- Activated Aluminum Oxygen Generation With Nitric Acid Nitrate Decomposition
Activated aluminum reacts with nitric acid to form aluminum nitrate, then heating releases oxygen without cryogenic storage.
- Nitrogen Oxide Decomposition Catalyst for Low-Temperature Purification
Directly decomposes nitrogen oxides at low temperatures without reducing agents.
- Circuit Breaker Liquid Injection for Arc Extinction
Segmented liquid injection manages pressure spikes during contact separation, maintaining dielectric strength across wide temperature ranges.
- Ammonia Combustion Process with Segmented Air Mixing
Staged air mixing in ammonia combustion reduces nitrogen oxide emissions and ammonia slip while maintaining complete oxidation.
- External Urea Evaporator for Dynamic Ammonia Dosage in SCR Systems
Regulated evaporation of aqueous urea enables precise ammonia dosage matching dynamic nitrogen oxide emissions.
- Cobalt-Cerium Catalyst for Stable Ammonia Decomposition
A cobalt-cerium-barium catalyst decomposes ammonia into hydrogen gas, preventing methanation deactivation common in ruthenium systems.
- Ammonia Cracking Reactor for Hydrogen Fuel via Partial Oxidation
Catalytic reactor splits ammonia into hydrogen fuel using partial oxidation heat, eliminating external energy needs.
- SCR Catalyst Phosphorus Poisoning Resistance via Cobalt Niobium
A catalyst composition comprising vanadium, tungsten, titanium, cobalt, and niobium in specific molar ratios.
- Ammonia Cracking Reactor Heat Integration
A double-tube reactor splits ammonia into hydrogen and nitrogen using a cracking catalyst.