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12-18-2018

Enzymes in the Plastics Industry

Methodologies for the Washing Process of Recycled Materials

Enzymes in the plastics sector help to develop sustainable processes. The Spanish research association Aimplas, Valencia, has involved them in the synthesis of polymers, thus avoiding the use of metal catalysts. They are also being used in new methodologies for the washing process of recycled materials, including the complex separation of multilayers. In addition, it is also being assessed how different enzymes act in the compost biodegradation process of polymers of different nature.

Aimplas, the Plastics Technology Centre, is carrying out the Enplast project, supported by the Valencian Institute of Business Competitiveness (IVACE), whose main objective is developing new processes more sustainable for the manufacturing, recycling and composting of plastics.

Useful helpers: enzymes in the plastics sector support the compost biodegradation process of polymers or remove unpleasant odors (© Aimplas)

Supported by the Valencian institute of business competitiveness (IVACE) and cofounded by EU ERDF funds within the 2014-2020 ERDF Operational Programme for the Valencian Region, the Enzplast project pursues three objectives: the first one is related to the challenge of implementing synthetic routes to obtain plastics safer for the health of people and eco-friendlier. For that purpose, enzymes will be used instead of metal catalysts, which have an associated toxicity. Furthermore, these solutions involve other clear advantages in the polymerization process, since they require reaction temperatures lower than those required when using conventional catalysis and they minimize the use of organic solvents with the subsequent reduction in emissions.

Enzymes Remove Odors

Secondly, a procedure to use it in the recycling process is being developed, in which enzymes will be incorporated in the washing stage to remove its odour and its efficiency in the separation of multilayer materials will be studied, which are currently relevant challenges. In this sense, the type of industrial sectors to benefit from this innovative solution (dairy, meat and fish wastes) has been established, determining the families of key compounds that produce odour problems. In this way, we will be able to select the most suitable enzymes or groups of enzymes with criteria.

Finally, the effectiveness of different enzymes in the biodegradation process for several different bioplastics is being studied. For this, the selected enzymes will be added into the biodegradation process both under aerobic and anaerobic digestion conditions.

Aimplas is a non-profit research association with the objective of operating as a technological partner for enterprises from the plastics industry and thus offering them integral and customized solutions by coordinating research, development and innovation projects as well as technological services (analysis and testing, technical assistance, training as well as competitive and strategic intelligence). www.aimplas.net

Company profile

AIMPLAS Instituto Tecnológico del Plástico

Gustave Eiffel 4
ES 46980 Paterna/Valencia
Tel.: +34 96 1366040

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