Industry-Verified Manufacturing Data (2026)

Neutralization Reactor

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Neutralization Reactor used in the Chemical Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Neutralization Reactor is characterized by the integration of Agitator/Impeller and Cooling Coils/Jacket. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized vessel where nitric acid and ammonia are continuously mixed and reacted under controlled conditions to produce ammonium nitrate melt.

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Product Specifications

Technical details and manufacturing context for Neutralization Reactor

Definition
The Neutralization Reactor is a critical component within the Continuous Ammonium Nitrate Melt Production and Concentration System. It is designed for the continuous, exothermic reaction between gaseous or aqueous ammonia and nitric acid to form an ammonium nitrate solution (melt). The reactor ensures precise control over reaction parameters such as temperature, pressure, and pH to maximize yield, maintain safety by preventing thermal runaway, and produce a consistent melt for subsequent concentration and prilling/granulation processes.
Working Principle
The reactor operates on the principle of continuous flow neutralization. Pre-metered streams of nitric acid and ammonia are introduced into the reactor, often with vigorous mixing or agitation. The highly exothermic reaction (NH₃ + HNO₃ → NH₄NO₃) releases heat, which is typically managed via an internal cooling system (e.g., cooling coils or jacket) to maintain the melt at an optimal temperature (typically between 140-180°C) to prevent decomposition and ensure a stable product. The resulting ammonium nitrate melt is continuously discharged for the next stage of concentration.
Common Materials
Stainless Steel (e.g., 316L), Hastelloy, Specialty Alloys
Technical Parameters
  • Reactor vessel diameter and height, defining its capacity and residence time for the reaction. (mm) Standard Spec
Components / BOM
  • Agitator/Impeller
    Provides vigorous mixing of the nitric acid and ammonia feeds to ensure homogeneous reaction and efficient heat transfer.
    Material: Stainless Steel or Corrosion-Resistant Alloy
  • Cooling Coils/Jacket
    Removes the exothermic heat of reaction to maintain a safe and optimal operating temperature, preventing thermal decomposition.
    Material: Stainless Steel
  • Feed Inlet Nozzles
    Precise entry points for the separate streams of nitric acid and ammonia into the reactor.
    Material: Corrosion-Resistant Alloy
  • Melt Outlet Nozzle
    Controlled discharge point for the produced ammonium nitrate melt to flow to the next process stage (e.g., concentrator).
    Material: Stainless Steel
  • Temperature & pH Probes
    Sensors for real-time monitoring and control of critical reaction parameters.
    Material: Sensor-specific (e.g., Hastelloy sheath)
Engineering Reasoning
0.8-1.2 MPa pressure, 170-185°C temperature, pH 5.5-6.5
Pressure > 1.5 MPa causes vessel rupture, temperature > 200°C initiates thermal decomposition, pH < 4.0 or > 8.0 causes corrosion acceleration
Design Rationale: Exothermic reaction enthalpy of -365.6 kJ/mol at 180°C creates thermal runaway risk; nitric acid corrosion rate increases exponentially below pH 4.0 (0.5 mm/year to 5.0 mm/year)
Risk Mitigation (FMEA)
Trigger Cooling jacket flow reduction below 2.0 m³/h
Mode: Temperature excursion to 210°C initiating ammonium nitrate decomposition
Strategy: Dual redundant cooling pumps with independent power supplies and flow sensors
Trigger Ammonia feed concentration deviation beyond 25-28% range
Mode: pH shift causing stress corrosion cracking in 316L stainless steel
Strategy: Real-time conductivity monitoring with automated feed ratio control system

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Neutralization Reactor.

continuous ammonium nitrate neutralization reactor stainless steel nitric acid ammonia reactor industrial chemical neutralization vessel temperature controlled ammonium nitrate production hastelloy chemical reactor for neutralization

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0.5-2.0 bar (slightly above atmospheric to prevent air ingress)
flow rate: 5-50 m³/hr (continuous process dependent on plant capacity)
temperature: 150-200°C (typical operating range for ammonium nitrate melt production)
slurry concentration: 70-85% ammonium nitrate by weight (pre-melt concentration)
Media Compatibility
✓ Stainless Steel 316L (corrosion resistant to nitric acid/ammonia) ✓ Hastelloy C-276 (high corrosion resistance for aggressive conditions) ✓ Titanium Grade 2 (excellent for nitric acid service)
Unsuitable: Chloride-containing environments (risk of stress corrosion cracking in stainless steels)
Sizing Data Required
  • Required ammonium nitrate production capacity (tons/day)
  • Nitric acid concentration and ammonia purity (feedstock specifications)
  • Desired residence time for complete neutralization (typically 30-60 minutes)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced wall thinning
Cause: Chemical attack from acidic or alkaline reactants, especially at temperature and concentration gradients, leading to material degradation and loss of structural integrity.
Agitator seal failure
Cause: Wear from abrasive slurries, thermal cycling, or misalignment, resulting in leaks, contamination, or loss of mixing efficiency.
Maintenance Indicators
  • Unusual vibration or noise from the agitator drive, indicating imbalance, bearing wear, or mechanical looseness.
  • Visible leaks, discoloration, or weeping at welds, nozzles, or seals, suggesting corrosion, fatigue cracks, or gasket failure.
Engineering Tips
  • Implement routine ultrasonic thickness testing at critical zones (e.g., near inlet/outlet nozzles, agitator baffles) to monitor corrosion rates and schedule proactive wall repairs.
  • Use high-integrity mechanical seals with compatible materials for the process media, and establish a strict alignment and lubrication protocol for the agitator shaft to prevent premature seal wear.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASME BPVC Section VIII - Rules for construction of pressure vessels EN 13445 - Unfired pressure vessels
Manufacturing Precision
  • Bore diameter: +/-0.05mm
  • Surface flatness: 0.1mm per meter
Quality Inspection
  • Hydrostatic pressure test
  • Ultrasonic thickness testing

Factories Producing Neutralization Reactor

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

P Procurement Specialist from United States Feb 04, 2026
★★★★★
"Great transparency on the Neutralization Reactor components. Essential for our Chemical Manufacturing supply chain."
Technical Specifications Verified
T Technical Director from United Arab Emirates Feb 01, 2026
★★★★★
"The Neutralization Reactor we sourced perfectly fits our Chemical Manufacturing production line requirements."
Technical Specifications Verified
P Project Engineer from Australia Jan 29, 2026
★★★★★
"Found 15+ suppliers for Neutralization Reactor on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Neutralization Reactor from Brazil (1h ago).

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Frequently Asked Questions

What materials are recommended for a neutralization reactor handling nitric acid and ammonia?

Stainless steel grades like 316L, Hastelloy, or specialty alloys are recommended for corrosion resistance against nitric acid and ammonia in neutralization reactors.

How does a neutralization reactor control the reaction between nitric acid and ammonia?

Through precise temperature control using cooling coils/jackets, optimized mixing with agitators, and continuous monitoring via temperature and pH probes to ensure safe ammonium nitrate production.

What are the key components of an industrial neutralization reactor?

Essential components include agitator/impeller for mixing, cooling system (coils/jacket), feed inlet nozzles for acid and ammonia, melt outlet nozzle, and monitoring probes for temperature and pH.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Chemical Manufacturing sector.

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