Obtaining energy with wind turbines is one of the ways to obtain electrical energy in a clean and sustainable way, and it is only increasing throughout the world.
At first, wind installations were made on land, but it has been seen that offshore installations generate more energy because the winds are more constant far from the coast, and the increased energy generated compensates for the higher cost of installation and maintenance.
In addition, as technology developed, the blades of the wind turbines were larger and the power generated by each machine increased. Today we already have wind turbines (such as the Vesta V164 prototype) that produce 9 MWh of energy. and that have blades of more than 80 meters in length.
And since those blades are made of fiberglass, after the useful life of the machine (about 20 years), wind farm operators are faced with the problem of what to do with those blades. And until recently many of them ended up dumped in the field, degrading the environment.
It is estimated that by the year 2050 there may be on the order of 40 million metric tons of wind turbine blades in the world, which will be discarded and need to be recycled in some way.
Tests of grinding them and using their residues for construction began some time ago, but some have gone another way, and in a recent "paper" presented at the American Chemical Society by the University of Michigan, they proposed the use of a new type of resin to make the blades, which could then be recycled to obtain other types of products.
The new resin is made from a synthetic polymer, and a plant-derived polymer (PLA) that is used to make biodegradable packaging.
The blades (fiberglass panels) made with this resin have a resistance and duration similar to the current ones, and could be recycled at the end of their useful life by dissolving them in a solution, and extracting the fiberglass.
I think this is a very interesting job, because all the products we use in the industry should be capable of being recycled. Recycling means savings in the long run, and we cannot continue to throw garbage out into our environment.
We have the obligation to leave to our descendants a nature equal to or better than the one we received from our parents.
I hope we do it !!!
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