Global and U.S. Nitrogen Oxide Scavenger Market Report, Published by QY Research.

Nitrogen Oxide Scavenger is a chemical additive designed to neutralize and remove nitrogen oxides (NO and NO2) from gas streams, fuels, lubricants, and industrial exhaust systems. These scavengers work through reduction or adsorption reactions, converting harmful nitrogen oxides into benign compounds such as nitrogen or water-soluble salts. Common formulations include organometallic compounds, amines, phenolics, and catalytic agents, which effectively lower NOx emissions and prevent oxidation-related degradation in fuels and oils. Nitrogen oxide scavengers are widely used in power generation, automotive exhaust treatment, marine fuels, refineries, and petrochemical industries to meet stringent environmental regulations and enhance process efficiency. They play a key role in reducing air pollution, protecting catalysts, and improving combustion system performance under high-temperature conditions.

https://www.qyresearch.com/reports/5205547/nitrogen-oxide-scavenger

Core market data:

Global market size: USD 857 million
CAGR (2024-2030): 5.4%
Average price: USD 4600 per ton
Annual production: 185 kilotons
Gross margin: 29%
Production capacity: 230 kilotons

List of Main players:

BASF (Germany)
Innospec (U.S.)
Evonik (Germany)
LANXESS (Germany)
Lubrizol (U.S.)
Afton Chemical (U.S.)
Ecolab (U.S.)
Clariant (Switzerland)
Sasol (South Africa)

1. By Chemical Type

Organometallic Scavengers
Amino-based Scavengers
Phenolic Antioxidant Scavengers
Metal Chelate Scavengers
Catalytic Scavenger Blends

2. By Physical Form

Liquid Additives
Powdered Compounds
Emulsion or Suspension Formulations

3. By Application

Fuel and Lubricant Additives
Exhaust Gas Treatment
Marine Engine Systems
Power Plant Emission Control
Petrochemical Refining Processes

4. By End-use Industry

Automotive
Marine and Shipping
Power Generation
Oil & Gas
Chemical Manufacturing

Case study for bidding

Time: November 2023

Supplier: Innospec

Buyer: Chevron

Product: Diesel Fuel Nitrogen Oxide Scavenger (liquid type, organometallic blend)

Quantity: 4,200 tons

Contract Value: USD 11 million

Delivery Timeline: November 2024

Detailed Application Scenario

In this project, Chevron used Innospec's diesel fuel nitrogen oxide scavenger to reduce NOx formation during combustion in marine engines and refinery boilers. The additive reacts with nitrogen oxides and unstable intermediates, helping convert them into harmless nitrogen and water. This enhanced the engine's thermal efficiency and reduced the need for selective catalytic reduction (SCR) units in certain operations.

The scavenger was blended directly into diesel fuel at low dosage rates to improve emissions performance while maintaining fuel stability and lubricity. It was particularly effective in marine vessels and stationary engines operating under variable load conditions.

Chevron selected this product because of its compliance with IMO Tier III emission standards and EPA marine engine regulations, along with its compatibility with existing refinery blending systems. It also contributed to operational cost savings by minimizing catalyst fouling and extending maintenance intervals.

Alternative solutions such as ammonia-based SCR or EGR (Exhaust Gas Recirculation) systems were evaluated but found less efficient in certain applications due to complexity and higher installation costs. Therefore, nitrogen oxide scavengers provided a more flexible, low-cost chemical solution for emission control in heavy-duty fuel systems.

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