INNOVATIVE METHOD FOR ACIDIC IONIC LIQUIDS MEDIATED LACTAMS PRODUCTION
The aim of the project is to design and optimize a new technology for the production of lactams, including ε-caprolactam through Beckmann rearrangement of oximes in the presence of ionic liquid as catalyst and solvent.
Did you Know?
- Lactams, including ε-caprolactam are fine chemical intermediates in the polyamides production (nylon 6, 11, 12) which are key component in the automotive, electrical, textile and medical industry.
- The classical process is catalyzed with oleum and requires neutralization of the reaction mixture with ammonia what generates a by-product: ammonium sulphate.
- The biggest producer of ε-caprolctam in Poland is Grupa Azoty, producing 170 000 tons of ε-caprolactam per year.
The technology will be based on the one pot, rearrangement of oximes to lactams in the presence of ionic liquid. This method does not require use of ammonia to isolate the product thus does not generate the ammonium sulphate as a waste. The product will be isolated by extraction with an organic solvent. Within the project the large number of oximes will be investigated what will widen the group of products produced by this method. Based on this, the results of the project will cover the process innovation novelty
The technology aims to possess the following features:
Four steps will be optimized:
Preparation of the catalyst
Synthesis of lactams
Isolation of products and catalyst
Purification of the products
Next, The development of a complete technological route for lactams synthesis on example of ε-caprolactam will be performed.
Head of the project
Duration: 1 May 2019 – 30 April 2022
The project is financed by The National Centre for Research and Development under the LIDER Programme.