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NOx Emissions

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Definition:
Emissions of nitrogen oxides (NO and NO₂), formed during high-temperature combustion processes, contributing to air pollution and smog.

Key Components:

  • Combustion sources (engines, turbines)
  • Emission control systems (SCR, EGR)
  • Monitoring sensors

Use Cases/Industries:

  • Automotive and transportation
  • Power generation
  • Industrial combustion

Advantages:
(Only in context of monitoring/control)

  • Targeted regulation
  • Enables cleaner technologies

Challenges:

  • Harmful to human health
  • Regulated under stringent standards
  • Complex to eliminate in high-temperature combustion

Related Terms:
Lifecycle Emissions, ICE, Hydrogen Combustion

Example:
Hydrogen engines reduce CO₂ but still emit NOx, requiring after-treatment systems.

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Synonyms:
Nitrogen Oxides, NO and NOâ‚‚, Combustion Emissions
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