Difference between revisions of "Team:Westminster UK"
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Revision as of 09:45, 5 December 2018
Step 1: Polystyrene waste collection
Our system is designed for waste collection and conversion. No genetically modified bacteria should be thrown into the environment!
Step 2: Expanded Polystyrene Waste Volume Reduction
Polystyrene has the property to dissolve in organic chemicals. This offers a great solution to separating vast amounts of gas embedded within expanded polystyrene and reduces its initial volume by up to 99%!
Step 3: Chemical Preparation of the Styrene Monomer
Unlike most other plastics, polystyrene can depolymerise to its monomer units when treated with high heat. The resulting product is a mixture of 70% styrene and its structurally similar compounds, which can be condensed back into a yellow liquid.
Step 4: Biodegradation through the Toluene Degradation Pathway
We have utilised the toluene degradation pathway found in a specific strain of Pseudomonas putida to degrade the styrene monomers and convert them into a source of energy for the bacteria.
Project brought up by the University of Westminster's Life Science Department.
