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Trevira commissions ecobalance study on PSF production
07 Dec '11
4 min read
Trevira polyester comes out worse than cotton with consumption of energy and in the depletion of abiotic resources. Consumption of these resources arises almost completely from using oil and precursors derived from oil, which are required for the manufacture of polyester. In the case of cotton, fossil energy sources only arise in the cultivation of land and the manufacture of mineral fertiliser.
As expected, the accumulated expenditure of energy during the manufacture of Trevira polyester products is higher than that of cotton. Polyester is made from petrochemical products and the supply chain for precursors from the chemical industry, coupled with the manufacturing process, are very energy intensive.
Therefore it requires almost double the energy needed for cotton. Polyester manufacturing clearly contributes more to the creation of summer smog than cotton, since the smog arises essentially from the combustion of fossil fuels. Nonetheless, continuous improvements in processes, together with increasing use of renewable energy sources, mean that in this area Trevira fibres and yarns are becoming more and more environmentally friendly as well.
Chemical products are often suspected of causing great harm to the environment. The study shows, however, that in the field of sustainability Trevira polyester products display many advantages compared with cotton fibres.
Even those properties of polyester fibres that, in the manufacturing phase, exhibit inferior values than natural fibres take on a different perspective when one considers the stages of further processing and usage. An example of a positive effect is maintenance. Furthermore, it is possible at the raw material stage and during spinning to adapt polyester fibres optimally in line with their end use. This makes any additional treatment with chemicals superfluous, thus lessening the impact of pollution on water, air and soil.
Moving a step further, Trevira is planning to have analyses made of the usage phase of textiles made from their products, taking Trevira CS as an example. The results of this follow-up study are expected in 2012.
As expected, the accumulated expenditure of energy during the manufacture of Trevira polyester products is higher than that of cotton. Polyester is made from petrochemical products and the supply chain for precursors from the chemical industry, coupled with the manufacturing process, are very energy intensive.
Therefore it requires almost double the energy needed for cotton. Polyester manufacturing clearly contributes more to the creation of summer smog than cotton, since the smog arises essentially from the combustion of fossil fuels. Nonetheless, continuous improvements in processes, together with increasing use of renewable energy sources, mean that in this area Trevira fibres and yarns are becoming more and more environmentally friendly as well.
Chemical products are often suspected of causing great harm to the environment. The study shows, however, that in the field of sustainability Trevira polyester products display many advantages compared with cotton fibres.
Even those properties of polyester fibres that, in the manufacturing phase, exhibit inferior values than natural fibres take on a different perspective when one considers the stages of further processing and usage. An example of a positive effect is maintenance. Furthermore, it is possible at the raw material stage and during spinning to adapt polyester fibres optimally in line with their end use. This makes any additional treatment with chemicals superfluous, thus lessening the impact of pollution on water, air and soil.
Moving a step further, Trevira is planning to have analyses made of the usage phase of textiles made from their products, taking Trevira CS as an example. The results of this follow-up study are expected in 2012.
Trevira GmbH
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