The process in Plastcon

Infographic or flowdiagram explaining the process of our Plastcon system

Plastcon can turn plastic to oil through pyrolysis – a process where material, in this case plastic, is exposed to high temperatures in an oxygen-free environment. This process results in a chemical and physical separation of the different molecules in the plastic, which have a limited thermal stability and begin to break apart into various components under the right conditions.

Pyrolysis of plastic materials always produces solid waste (such as carbon black), oil vapours/liquid and several non-condensable gases such as methane, ethane and propane.

Plastcon extracts the liquid and oil vapours from the pyrolysis process and condenses and separates them into gases and oils in its distillation unit. The exact product of the process depends on five parameters:

What do we convert the plastic into?

80% oil which can be used for heating or as fuel for ships and  trucks. Of this, 60% is MDO, 25% is naphtha and 15% is HFO.

15% gas which can be recirculated to power the system itself. It consists of a mix of methane, ethane and propane.

5% carbon black (dust) which can be used to colour new plastic materials and in asphalt production.

We handle plastic of any and all types

A unique feature of the Plastcon system is that it is able to accept any type of plastic - even PVC and PET, which are commonly regarded as difficult in regards to recycling. Simply, it can convert all types of plastic to oil.

Moreover, the system does not require the plastic to be cleaned or washed when it enters. Pollution like glass, metal and/or organic waste is sorted out in the process.

1. Plastic density

The mass density (weight/volume) of the plastic has an effect on the capacity of the plant (higher mass equals higher capacity).

2. Plastic water content

The water content influences the energy consumption of the plant as well as the gas and oil liquid yield.

3. Plastic properties

The elementary composition of the plastic – as well as its fixed carbon content, ash content, calorific value, particle size and volatility level – is relevant to the temperature and time consumption of the pyrolysis process. Smaller particles generally decompose faster, which can result in a greater yield of oil.

4. Pyrolysis temperature

The temperature which the plastic is subjected to in the process has a major effect on the final result. High temperatures provide greater quantities of noncondensable synthetic gases, while lower temperatures produce more condensable gases and oil. The temperature also affects the processing time and is precisely controlled.

5. Pyrolysis time

The amount of time that the plastic spends in the pyrolysis reactor affects the degree of thermal conversion of solid waste and the composition of the vapours produced. The pyrolysis time can be regulated by the plant's system process control.

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Plastcon is our solution to the global problem of plastic waste, converting it into a useful resource.