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PRODUCTION OF ISOPROPYL ALCOHOL (IPA). by Pınar Özbay Nihal Payza Zeynep Pekişen Deniz Uğurlar. Information about. Isopropyl Alcohol Manufacturing Processes Process Selection Market Research

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slide1

PRODUCTION OF ISOPROPYL ALCOHOL

(IPA)

by Pınar Özbay

Nihal Payza

Zeynep Pekişen

Deniz Uğurlar

information about
Information about...
  • Isopropyl Alcohol
  • Manufacturing Processes
  • Process Selection
  • Market Research
  • Capacity Determination
  • Process Flow Diagram
  • Calculation Algorithms
  • Results & Conclusions
isopopyl alcohol
Isopopyl Alcohol ???
  • Flammable , colorless liquid with a strong and pleasant odor
  • Miscible with water , ethanol , acetone and benzene
  • Used as a solvent and cleaning fluid

Applications

  • Pharmaceuticals ,pesticides ,coatings ,daily-use chemicals and organic synthesis sectors
  • As cleaning agents used on electronic devices such as contact pins, magnetic tape deck, lenses of lazers in opticak disk drivers
  • Anti-freeze agent in fuel
  • Preservative to replace formaldehyde in strong solutions

C3H7OH

ipa manufacturing processes
IPA Manufacturing Processes
  • Direct Hydration
    • combination of water and propylene with acidic cation exchange resin catalyst
  • Indirect Hydration
    • Reaction of propylene with sulfuric acid with a heterogenous polymeric acid catalyst
  • Acetone
    • Hydrogenation of acetone

Advantages of Direct Hydration

  • Thermally stable polymeric catalyst
  • High product quality improvement
  • Cost effective
  • Environmental friendly
  • High selectivity of IPA
process selection
Process Selection
  • Process for producing isopropyl alcohol, US 5,763,693

Criteria for this selection

  • A final product with a composition of 90% IPA and 10% water
  • High conversion of Direct Hydration Process
  • High Selectivity of IPA
  • Cost effectiveness
  • No removal units
  • High data availability
  • Less complex process
  • Compressor and heat exchanger addition
  • High pressure
  • No recycle of propane
market research
Market Research
  • Largest producers: Shell, ExxonMobil, Sasol and Dow (72%)
design capacity of ipa
Design Capacity of IPA
  • TUIK DATA
  • 5 year moving
  • 3 year moving
  • Projected Models
  • Consumption Projections of IPA
design capacity of ipa1
Design Capacity of IPA
  • Year difference calculation between countries

Population, GDP, growth rates and consumption of countries

Calculation of future population and GDP of Turkey

reference year: 2005

Calculation of consumption of Turkey per capita

Final design capacity of Turkey

design capacity of ipa2
Design Capacity of IPA
  • TUIK DATA
  • 5 year moving
  • 3 year moving
  • Projected Models
  • Consumption Projections of IPA

The best fit Logaritmic model

Design capacity of IPA in 2025 43,000 tons/year

process flow diagram

Direct Hydration Unit (Packed Bed)

  • No side reaction
  • X = 0.75
  • adiabatic rxn at 80atm
  • T : 406 K  428 K

Component Separator(V101)

  • Top: Propane, propylene
  • Bottom: Water, propane, isopropanol
Process Flow Diagram

Distillation(V102)

  • Propylene, propane recycle to mixer
  • Bottom: propane

96% propylene

4% propane

Mixer

propane

propane

water

propane

Centrifugel Compressor & Pump

  • Efficiency : 0.8

Mixer

90% IPA

10% water

Extraction

T: 403K

  • Top: Isopraponal, water, propane
  • Bottom: Water, propane recycle to

Gas-Liquid Separator(V102)

T: 353 K

  • Top: Propane
  • Bottom: IPA

propane

propane

calculation algorithm
Calculation Algorithm

Heat Exchanger

Component Seperator

∆H= Hinlet- Houtlet

Adiabatic Compressor

*W

Adiabatic Reactor

as a summary d zelt ess
As a summary . . .düzeltçess

90% IPA as end product

data availability

Direct Hydration Process

Less energy consumption

˜ 75% conversion of

IPA

cost effective

Isopropyl Alcohol

  • Are these reasons satisfactory to design a IPA production plant by using

this process?

YES

slide14

THANK

YOU

FOR YOUR

ATTENTION