cynarplc - turning plastic waste to fuel
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about plastic waste recyclingTRANSCRIPT
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The Cynar Technology
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The Cynar Technology
Current situation of recycling of plastics
Video
Pyrolysis
Structure of the System
Operations
Cynar ELP Technology - Process Flow Diagram
The system uses liquefaction, pyrolysis and distillation of plastics. The system can handle almost allthe End of Life Plastic that is currently being sent to landfills. A major advantage of the process isits high efficiency. Each plant can produce up to 19k litres of fuel from 20 tonnes of End of LifePlastic.
Current Situation of Recycling of Plastics
Various methodologies have been tried and tested toprocess waste or end of life plastics for many years, withrecycling becoming the most common method reflecting theneeds of today. Plastics that cannot be processed arehandled by waste management companies mainly throughland-filling or incineration.
The building or expanding of incinerators has becomedifficult due to opposition from governments and communitygroups with environmental concerns, most notably the levelsof emissions.
Liquefaction of plastic is a superior method of reusing thisresource. These distillate products are excellent fuels andmake the Cynar Technology one of the best, economicallyfeasible and environmentally sensitive recycling systems in
the world today.
The synthetic fuels produced, given their low sulphur and high cetane qualities, will most likely beutilised by the recycling organisations on-site for use in the vehicle fleet as SITA plan to do orheavy equipment and generators.
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earthrise - Plastic Fuel
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Pyrolysis
Pyrolysis is a process of thermal degradation of a material in the absence of oxygen. Plastic iscontinuously treated in a cylindrical chamber and the pyrolytic gases condensed in a specially-designed condenser system to yield a hydrocarbon distillate comprising straight and branchedchain aliphatics, cyclic aliphatics and aromatic hydrocarbons. The resulting mixture is essentiallyequivalent to petroleum distillate. The plastic is pyrolised at 370ºC-420ºC and the pyrolysis gasesare condensed and liquid separated using fractional distillation to produce the liquid fuel products.
The essential steps in the pyrolysis of plasticsinvolves:
1. evenly heating the plastic to a narrow temperaturerange without excessive temperature variations
2. purging oxygen from pyrolysis chamber,3. managing the carbonaceous char by-product before
it acts as a thermal insulator and lowers the heattransfer to the plastic
4. careful condensation and fractionation of thepyrolysis vapours to produce distillate of good qualityand consistency
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Structure of the System
The system consists of stock in-feed system, pyrolysis chambers, contactors, distillation, oilrecovery line and syn-gas..
End of Life Plastics are loaded via a hot-melt infeed system directly into main pyrolysis chamber.
Agitation commences to even the temperature and homogenise the feedstocks. Pyrolysis thencommences and the plastic becomes a vapour. Non-plastic materials fall to the bottom of thechamber.
The vapour is converted into the various fractions in the distillation column, the distillates then passinto the recovery tanks.
The System diverts the Syn Gas through a Scrubber and then back into the furnaces to heat thepyrolysis chambers.
The cleaned distillates are then pumped to the storage tanks.
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Operations
The heart of the pyrolysis system is the prime chamber,which performs the essential functions of homogenisationand controlled decomposition in a single process. Theprocess requires minimal maintenance and produces aconsistent quality distillate from End of Life Plastic..
The key to an efficient pyrolysis process is to ensure theplastic is heated uniformly and rapidly. If temperaturegradients develop in the molten plastic mass then differentdegrees of cracking will occur and products with a widedistribution of chain lengths will be formed.
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Cynar has signed an Agreement with LoughboroughUniversity in the UK to Partner in the furtheradvancement/optimisation of the Cynar Technolgyand is also looking at converting 'other' End of LifePlastic feedstocks. This strategic partnership willassist in ensuring that the Cynar Technology willremain the world leader in the Pyrolysis of End of Life Plastics to Liquid Fuel.
Cynar ELP Technology - Process Flow Diagram
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For further informationContact Cynar Click Here
CYNAR PLCUnit 601, Capital Tower, 91 Waterloo Road, London SE1 8RTTel: +353 (0) 57 868 0660 • Fax:+353 (0) 57 868 0640 • Email: [email protected]
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