Ethyl Acetate

CH₃COOC₂H₅

Common solvent for coatings, inks, and adhesives

Molecular Structure

Ethyl Acetate molecular structure
2D structure of Ethyl Acetate

Molecular Details

Molecular FormulaCH₃COOC₂H₅
Molecular Weight88.11 g/mol
StateLiquid at standard conditions

Olefinverbund Integration

⬅️ Inputs (Starting Materials): Ethanol, Acetic Acid

➡️ Outputs (Products): Solvent, Coatings

Chemistry & Engineering

Reaction EquationEsterification
ThermodynamicsEquilibrium limited
Catalyst SystemAcid resin
Reactor ClassReactive distillation
Process ConsiderationsEnvironmentally friendly solvent.

Extraterrestrial Production Pattern

  1. Acetic acid + ethanol → ethyl acetate + H₂O
  2. Acid catalyst (H₂SO₄) or reactive distillation
  3. Tishchenko reaction (acetaldehyde route) alternative
  4. Azeotropic distillation for purification

Applications

  • Coating and paint solvent
  • Printing inks
  • Adhesives
  • Flavoring and fragrance

Reaction Diagram

Reaction diagram
Synthesis reaction pathway

Overall Reaction: C2H5OH + CH3COOH -> CH3COOC2H5 + H2O

Unit Operations

Process steps following chemical engineering unit operation principles:

StepOperationDescription
1Reactant MixingMix ethanol and acetic acid
2EsterificationH₂SO₄ catalyst at 70-80°C
3Azeotropic DistillationRemove water as ternary azeotrope
4NeutralizationWash with Na₂CO₃ solution
5DryingDistill with CaCl₂ or sieves
6Product DistillationFinal distillation to >99%

S88 Batch Control Model

This module follows the ISA-88 (S88) batch control standard. Below is a simplified BatchML schema for educational purposes:

<?xml version="1.0" encoding="UTF-8"?>
<!-- ISA-88 Batch Control Model for Ethyl Acetate -->
<!-- Educational schema - simplified for demonstration -->
<BatchML xmlns="http://www.wbf.org/xml/B2MML-V0600">
  
  <ProcessCell ID="ETHYL_ACETATE_PLANT_CELL">
    <Description>Process cell for Ethyl Acetate production</Description>
    
    <Unit ID="ETHYL_ACETATE_PLANT">
      <Description>Main synthesis unit</Description>
      
      <!-- Equipment Modules -->
      <EquipmentModule ID="MIXER">
        <Description>Mixer</Description>
      </EquipmentModule>
      <EquipmentModule ID="REACTOR">
        <Description>Reactor</Description>
      </EquipmentModule>
      <EquipmentModule ID="AZEOTROPE_COLUMN">
        <Description>Azeotrope Column</Description>
      </EquipmentModule>
      <EquipmentModule ID="WASH_VESSEL">
        <Description>Wash Vessel</Description>
      </EquipmentModule>
      <EquipmentModule ID="DRYER">
        <Description>Dryer</Description>
      </EquipmentModule>
      <EquipmentModule ID="PRODUCT_COLUMN">
        <Description>Product Column</Description>
      </EquipmentModule>
    </Unit>
  </ProcessCell>
  
  <MasterRecipe ID="ETHYL_ACETATE_PLANT_RECIPE">
    <Description>Master recipe for Ethyl Acetate</Description>
    <ProductID>ETHYL_ACETATE</ProductID>
    
    <UnitProcedure ID="ETHYL_ACETATE_PLANT_UP">
      <Description>Unit procedure for synthesis</Description>
      
      <Operation ID="OP_01">
        <Description>Operation 1</Description>
        <Phase ID="MIX">
          <Description>Mix 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="ESTERIFY">
          <Description>Esterify 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="AZEOTROPE">
          <Description>Azeotrope 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="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_05">
        <Description>Operation 5</Description>
        <Phase ID="DRY">
          <Description>Dry 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="DISTILL">
          <Description>Distill 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>

**Key S88 Concepts:**
- **Process Cell**: The physical grouping containing all equipment for this process
- **Unit**: The major equipment that performs the synthesis
- **Equipment Modules**: Individual pieces of equipment (reactors, columns, etc.)
- **Unit Procedure**: The sequence of operations to produce the product
- **Phases**: The lowest level of procedural control (e.g., REACT, SEPARATE, PURIFY)

Key S88 Concepts:
Process Cell: Physical grouping containing all equipment
Unit: Major equipment performing synthesis
Equipment Modules: Individual pieces (reactors, columns, etc.)
Phases: Lowest level of procedural control (REACT, SEPARATE, etc.)


This Synthesis Module is part of the 100chemicals Olefinverbund — an integrated chemical production network designed for extraterrestrial civilization on Moon and Mars.