RadiciFil: process sustainability, product quality - Lactam wastewater recovery: energy saving and emission reduction

Enhanced environmental performance and improved polymer and, hence, yarn quality: these are the main objectives set for the new lactam wastewater recovery plant installed at the RadiciFil production site in Casnigo (Bergamo, Italy) during the course of 2018. The production facility specializes in polyamide 6 polymerization and BCF yarn production, the core business of the RadiciGroup Performance Yarn Business Area.

The new plant, which has recently undergone a test run, recovers the wastewater from the polymerization process with a caprolactam concentration of 8-12%. Using falling film and mechanical vapour recompression technologies, the plant processes the water, so as to raise the caprolactam concentration in the output up to 80%, thus making the recovered caprolactam suitable for reuse in continuous cycle polymer production.

“This investment has taken advantage of some of the benefits provided by Industry Plan 4.0, and is part of the company production plan. The system incorporates the latest developments in technology, which allow it to reduce the quantity of heat energy used and will help us achieve the EU 2020 goals (ETS) concerning carbon dioxide emissions", said Nicola Agnoli, CEO of the RadiciGroup Performance Yarn Business Area.

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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement Nº 737882.


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