Chemical Recycling
Finding Answers To The
Plastic Problem
While more countries have taken up recycling, the use of plastics has increased exponentially.
We need more innovative solutions to tackle the growing mountains of waste and stop the damage plastic is doing to our environment.
We Should
We can minimise the use of plastics. If we use less, then less is wasted. However, the use of plastics is deeply entrenched, and we even depend on them. They have delivered huge benefits and are engineered to do so. Today there isn't a viable way to reduce use to zero via substitution or abstinence, without a huge impact on many lives and the environment.
Every time an item is re-used this will help in the goal to reduce plastics, but there are limited opportunities for many forms of plastics. Ultimately most plastics end up damaged and unfit for purpose, at which point it becomes waste.
What then?
We can move to a circular economy. The ultimate solution is to reduce the consumption of raw materials and make new products from old plastics with minimum energy input. However, traditional mechanical recycling is not viable for the majority of plastics because of contamination and composite materials downgrading the quality of output. This is where the new field of feedstock recycling can play a part in chemically converting the plastic back to oil-based feedstocks to make new products.
For plastics, this is about destruction and conversion to energy via a form of incineration. While this does deal with the waste, it is a source of fossil derived CO2 contributing to global warming.
In some cases, it can be shown that fuels derived from plastics are less carbon intensive to traditional oil-based fuels, so it could present a stepping stone to improved sustainability and a lower carbon economy.
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