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Reference Applications
주식회사 케미스카이독일 VTA, UIC사 대한민국 공식 파트너
TEL 031-472-0123 FAX 031-472-6910WEB www.chemisky.co.kr
2 © UIC GmbH
Content
Application Areas
Basic Distillation Tasks
Examples
Epoxy Resins
Synthetic Vitamin E
Deacidification of Edible Oil
Stripping of PU-Prepolymers
Monoglyceride
Omega-3 Fatty Acids
3 © UIC GmbH
Application Areas
Fine Chemicals and Pharmaceutical Intermediates
• Fatty acid derivatives
• Alkaloids and Derivatives
• Synthetic Vitamins
• UV stabilizers
• Sugar Derivatives
Mineral Oil Products and Renewable
Resources
• Paraffines
• PE Waxes
• Waste Oil
• Biodiesel
Plastics and Additives
• Epoxy Resins
• Polyurethane Prepolymers
• Acrylates
Cosmetics and Natural Products
• Wool Waxes
• Squalene
• Fragrances
• Essential Oils
Food and Animal Feed Additives
• Monoglyceride
• Natural Vitamins (Tocopherole)
• ω-3 Fatty Acid Derivatives
• Phytosterole
• Flavours
4 © UIC GmbH
Basic Distillation Tasks: Stripping of Light Volatiles
Removal of light volatiles from a main fraction
Typical candidates
Solvents with boiling temperatures > 150 °C at ambient pressure
Monomers from polymers or pre-polymers
Free fatty acids from glycerides
Main Fraction Light
Volatiles
5 © UIC GmbH
Basic Distillation Tasks: Distillation of Main Fraction
Purification of main fraction by distillation
Typical candidates:
Substances with molar mass > 180 g/mol
Substances with boiling temperatures > 150 °C at 1 mbar
Main Fraction Low
Volatiles
6 © UIC GmbH
Basic Distillation Tasks: Fractionation
Separation of multi-component mixtures
Typical candidates:
Mono-, Di-, Tri- and Oligomers
Mixtures of homologous substances, e.g.,
Paraffin waxes
Fatty acid mixtures
Fatty acid esters
Middle Fraction 2 Residue Middle Fraction 1 Light
Volatiles
7 © UIC GmbH
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1
0 0,2 0,4 0,6 0,8 1
cut ratio (distillate/feed)
xA in
th
e d
isti
lla
te
α = 2
α = 5
α = 10
α = 50
Binary Mixture, Components A and B, xA = xB = 0.5
Separation Efficiency and Yield
8 © UIC GmbH
A B
α = 5
Destillate
Residue
75 % A
25 % A
α = 50
95 % A
5 % A
Distillation of 50 % of a binary solution:
Separation Efficiency and Yield: Example
9 © UIC GmbH
Monomer
Dimer and
Oligomers
Technical Monomer
Monomer Dimer Oligomer
Distillation of Epoxy Resins
10 © UIC GmbH
T ~ 200 °C p ~ 0,5 mbar
Feed
Residue: Mono-, Di- and Oligomers
Distillate: ~ 95-98% Monomer
Distillation of Epoxy Resins
11 © UIC GmbH
Distillation of Synthetic Vitamin E (dl-Alpha-Tocopherol)
Tocopherol
General Structure of Tocopherols
Reaction Mixture
Excessive Feed Material Low Volatiles (Polymers etc.)
12 © UIC GmbH
Feed Material
T ~ 185 °C
p ~ 0,1 mbar
Distillate 1:
Recycling
to reaction mixture Distillate 2
Tocopherol
T ~ 215 °C
p ~ 0,01 mbar
Residue
Heavy Volatiles
Distillation of Synthetic Vitamin E (dl-Alpha-Tocopherol)
13 © UIC GmbH
Triglycerides FFA
Degummed crude Edible Oil
Free Fatty Acid (FFA) HO - R
Generic Structure of Triglycerides
O - R
O - R
O - R
R = -COCxHy
x ≥ 13
De-Acidification of Edible Oils
14 © UIC GmbH
T ~ 190 °C p ~ 0,002 mbar
Feed
Residue FFA < 0,1 %
Destillate: FFA
De-Acidification of Edible Oils
15 © UIC GmbH
– O – R 1 – O – C - NH – R 2 – NH - C – n
=
O
=
O
Prepolymer Monomer Crude Prepolymer
Polyurethane (PU)
Monomers, e.g.,
MDI and TDI
Stripping of PU Prepolymers
16 © UIC GmbH
Distillate 1 Monomer
Distillate 2 Monomer
Residue 2 Monomer < 0,1%
Feed
T ~ 140 °C
p ~ 1-2 mbar
T ~ 160 °C
p ~ 0,05 mbar
Stripping of PU Prepolymers
17 © UIC GmbH
Crude Monoglycerides
Generic Structure
of Monoglycerides
O - R
O - H
O - H
R = -CO-CxHy
x ≥ 13
Monoglycerides Exc. Glycerol Diglycerides Tri-
glycerides
Distillation of Monoglycerides
18 © UIC GmbH
Destillate 1 Excessive Glycerol
Residue 2 Di- and Triglycerides
Feed
Destillate 2 Monoglyceride 90+
Distillation of Monoglycerides
T ~ 210 °C
p ~ 1 mbar
T ~ 205 °C
p ~ 0,01 mbar
19 © UIC GmbH
4,7,10,13,16,19 Docosahexaenic acid (DHA)
5,8,11,14,17 Eicosapentaenic acid (EPA)
Distillation of ω-3 Fatty Acids
20 © UIC GmbH
Distillation of ω-3 Fatty Acids
21 © UIC GmbH
Distillation of ω-3 Fatty Acids
Thank you for your kind attention!
주식회사 케미스카이독일 VTA, UIC사 대한민국 공식 파트너
TEL 031-472-0123 FAX 031-472-6910WEB www.chemisky.co.kr