Environmental Aspects of Plastics. Introduction. Plastics & paper- common materials in everyday life, often used in disposable applications – major contributor for solid waste Plastics due to their long life- when not disposed properly, they are widely seen and often criticized.
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The coextruded plastics (more than 1 layers of plastics)….how to recycle???
Problem with plastic wood; the dissimilar hygroscopic characteristics of some components cause different water absorption & dimensional change (control the source stream, where the hygroscopic material should not mixed with hydrophobic materials), the cost of plastic wood is higher than untreated lumber.
Example of materials in solid waste landfills by (a) volume and (b) weight
(in recent year)
Energy content of various solid waste materials and conventional
fuels burned to generate electricity
Incineration can destroy some types of chemicals that other methods can't.
It is also quicker than many other methods.