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2025-10-23 17:51:58 Nuno Oliveira: Group info.
PIEQ/Themes 2025-26.md ..
@@ 1,6 1,6 @@
# Proposed themes in 2025-26
- ## 1. Polyquaternium production
+ ## 1. Polyquaternium production (G4)
Polyquaterniums are a group of cationic polymers used in hair and
skincare products to provide conditioning, smoothing, and
@@ 13,7 13,7 @@
Ingredients (INCI) --- [(refs)](https://www.google.com/search?q=Polyquaterniums).
- ## 2. HexaMethyleneDiamine production
+ ## 2. HexaMethyleneDiamine production (G8)
Hexamethylenediamine (HMD) is produced by the catalytic hydrogenation of
adiponitrile (ADN), a process where hydrogen gas is added to
@@ 26,7 26,7 @@
[(refs)](https://www.google.com/search?&q=Hexamethylenediamine+production).
- ## 3. Ethyl acrylate production
+ ## 3. Ethyl acrylate production (G6)
Ethyl acrylate is produced through the acid-catalyzed esterification of
acrylic acid with ethanol. This process typically occurs in the liquid
@@ 39,7 39,7 @@
- [Reactive distillation configuration for the production of ethyl acrylate](https://www.sciencedirect.com/science/article/abs/pii/S0255270124002022).
- ## 4. Cyrene production
+ ## 4. Cyrene production (G5)
Dihydrolevoglucosenone (cyrene) is a bicyclic, chiral, seven-membered
heterocyclic cycloalkanone which is a waste derived and fully
@@ 48,7 48,7 @@
--- [(refs)](https://en.wikipedia.org/wiki/Dihydrolevoglucosenone).
- ## 5. Thermochemical recycling of PE, PP plastic fractions
+ ## 5. Thermochemical recycling of PE, PP plastic fractions (G9)
Thermochemical recycling breaks down polyethylene (PE) into basic
chemical building blocks using high temperatures. Key processes include
@@ 65,7 65,7 @@
[![Plásticos nos oceanos](/PIEQ/Themes%202024-25/Plasticos-h3t96ur42spd1.jpg?thumbnail)](/PIEQ/Themes%202024-25/Plasticos-h3t96ur42spd1.jpg "Plásticos nos oceanos.")
- ## 6. 2-MethylTetraHydroFuran production
+ ## 6. 2-MethylTetraHydroFuran production (G2)
2-methyltetrahydrofuran (2-MeTHF) has been promoted as an
ecologically-friendly alternative to THF. 2-MeTHF is produced from
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[(refs)](https://www.google.com/search?q=2-Methyltetrahydrofuran+production).
- ## 7. Syngas cleaning
+ ## 7. Syngas cleaning (G3)
Syngas cleaning removes contaminants like dust, sulfur, ammonia, and
heavy metals to meet product quality, downstream process requirements,
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[(refs)](https://www.google.com/search?q=syngas+cleaning).
- ## 8. Production of renewable methanol from urban waste
+ ## 8. Production of renewable methanol from urban waste (G7)
Renewable methanol is produced from urban waste by first processing the
waste into a synthesis gas (syngas) through methods like gasification or
@@ 107,7 107,7 @@
Tarragone](https://www.repsol.com/en/sustainability/sustainability-pillars/environment/circular-economy/our-projects/transforming-waste-into-chemicals/index.cshtml).
- ## 9. Caprolactone production
+ ## 9. Caprolactone production (G1)
Caprolactone (ε-CL) is a monomer used in the production of highly
specialised polymers. Ring-opening polymerization, for example, gives
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