Ammonium Nitrate

NH₄NO₃ · 80.04 g/mol

NH₄NO₃

Fertilizer and industrial explosive

Molecular Weight

80.04 g/mol

State

Solid

Catalyst

None

Reactor

Pipe reactor or Neutrali

Ammonium Nitrate molecular structure — 2D structure

Olefinverbund Integration

Inputs

Ammonia, Nitric Acid

→

Product

Ammonium Nitrate

→

Outputs

Fertilizers, Explosives

Chemistry & Engineering

Reaction	`NH₃ + HNO₃ → NH₄NO₃`
Thermodynamics	Highly exothermic neutralization
Catalyst	None
Reactor class	Pipe reactor or Neutralizer tank
Note	Explosion hazard if contaminated or heated.

Applications

Nitrogen fertilizer (34% N)
ANFO explosives (with fuel oil)
Instant cold packs
Solid rocket propellant oxidizer

Extraterrestrial Production Pattern

Nitric acid + ammonia neutralization reaction
Exothermic reaction at 145-170°C
Evaporation and concentration
Prilling or granulation for solid product

Reaction Diagram

NH3 + HNO3 -> NH4NO3

Unit Operations

Process steps following chemical engineering unit operation principles

#	Operation	Description
1	Neutralization	React NH₃ with HNO₃ in neutralizer at 145°C
2	Evaporation	Concentrate to 95-99.5% AN solution
3	Prilling/Granulation	Form prills in spray tower or granulate
4	Cooling	Cool prills in fluidized bed
5	Coating	Apply anti-caking coating
6	Bagging	Package in appropriate containers

S88 Batch Control Model

ISA-88 BatchML schema — simplified for educational purposes

<?xml version="1.0" encoding="UTF-8"?>
<!-- ISA-88 Batch Control Model for Ammonium Nitrate -->
<!-- Educational schema - simplified for demonstration -->
<BatchML xmlns="http://www.wbf.org/xml/B2MML-V0600">
  
  <ProcessCell ID="AMMONIUM_NITRATE_PLANT_CELL">
    <Description>Process cell for Ammonium Nitrate production</Description>
    
    <Unit ID="AMMONIUM_NITRATE_PLANT">
      <Description>Main synthesis unit</Description>
      
      <!-- Equipment Modules -->
      <EquipmentModule ID="NEUTRALIZER">
        <Description>Neutralizer</Description>
      </EquipmentModule>
      <EquipmentModule ID="EVAPORATOR">
        <Description>Evaporator</Description>
      </EquipmentModule>
      <EquipmentModule ID="PRILLING_TOWER">
        <Description>Prilling Tower</Description>
      </EquipmentModule>
      <EquipmentModule ID="COOLER">
        <Description>Cooler</Description>
      </EquipmentModule>
      <EquipmentModule ID="COATER">
        <Description>Coater</Description>
      </EquipmentModule>
      <EquipmentModule ID="BAGGER">
        <Description>Bagger</Description>
      </EquipmentModule>
    </Unit>
  </ProcessCell>
  
  <MasterRecipe ID="AMMONIUM_NITRATE_PLANT_RECIPE">
    <Description>Master recipe for Ammonium Nitrate</Description>
    <ProductID>AMMONIUM_NITRATE</ProductID>
    
    <UnitProcedure ID="AMMONIUM_NITRATE_PLANT_UP">
      <Description>Unit procedure for synthesis</Description>
      
      <Operation ID="OP_01">
        <Description>Operation 1</Description>
        <Phase ID="NEUTRALIZE">
          <Description>Neutralize phase</Description>
          <PhaseLogic>
            <Step ID="STEP_1"><Action>Initialize</Action></Step>
            <Step ID="STEP_2"><Action>Execute</Action></Step>
            <Step ID="STEP_3"><Action>Complete</Action></Step>
          </PhaseLogic>
        </Phase>
      </Operation>
      
      <Operation ID="OP_02">
        <Description>Operation 2</Description>
        <Phase ID="EVAPORATE">
          <Description>Evaporate phase</Description>
          <PhaseLogic>
            <Step ID="STEP_1"><Action>Initialize</Action></Step>
            <Step ID="STEP_2"><Action>Execute</Action></Step>
            <Step ID="STEP_3"><Action>Complete</Action></Step>
          </PhaseLogic>
        </Phase>
      </Operation>
      
      <Operation ID="OP_03">
        <Description>Operation 3</Description>
        <Phase ID="PRILL">
          <Description>Prill phase</Description>
          <PhaseLogic>
            <Step ID="STEP_1"><Action>Initialize</Action></Step>
            <Step ID="STEP_2"><Action>Execute</Action></Step>
            <Step ID="STEP_3"><Action>Complete</Action></Step>
          </PhaseLogic>
        </Phase>
      </Operation>
      
      <Operation ID="OP_04">
        <Description>Operation 4</Description>
        <Phase ID="COOL">
          <Description>Cool phase</Description>
          <PhaseLogic>
            <Step ID="STEP_1"><Action>Initialize</Action></Step>
            <Step ID="STEP_2"><Action>Execute</Action></Step>
            <Step ID="STEP_3"><Action>Complete</Action></Step>
          </PhaseLogic>
        </Phase>
      </Operation>
      
      <Operation ID="OP_05">
        <Description>Operation 5</Description>
        <Phase ID="COAT">
          <Description>Coat phase</Description>
          <PhaseLogic>
            <Step ID="STEP_1"><Action>Initialize</Action></Step>
            <Step ID="STEP_2"><Action>Execute</Action></Step>
            <Step ID="STEP_3"><Action>Complete</Action></Step>
          </PhaseLogic>
        </Phase>
      </Operation>
      
      <Operation ID="OP_06">
        <Description>Operation 6</Description>
        <Phase ID="PACKAGE">
          <Description>Package phase</Description>
          <PhaseLogic>
            <Step ID="STEP_1"><Action>Initialize</Action></Step>
            <Step ID="STEP_2"><Action>Execute</Action></Step>
            <Step ID="STEP_3"><Action>Complete</Action></Step>
          </PhaseLogic>
        </Phase>
      </Operation>
    </UnitProcedure>
  </MasterRecipe>
  
</BatchML>

Process CellPhysical grouping of all production equipment

UnitMajor equipment performing the synthesis

Equipment ModulesIndividual devices: reactors, columns, absorbers

PhasesLowest control level: REACT, SEPARATE, PURIFY

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