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Recycling of plastics economics

One method to improve the economics of plastic recycling is to reduce the need to separate plastics by directly producing plastic blends [76]. These blends must be of sufficient quality to be used as direct replacements for virgin plastics. Also, blends with enhanced properties can be formulated when combining more than one plastic. Current activities employed within the recycling industry to handle mixed plastics or blends, however, are effectively limited to ... [Pg.177]

The curbside collection of polystyrene is being examined to assess the economics of its recycling. Fitchburg, Wisconsin, a town with mandatory recycling, has conducted a curbside pickup of PS containers in a nine month pilot program funded by Amoco-Chemical Company. The town additionally collects old newspaper, mixed paper, any 1 labeled plastic (PET), any 2 labeled plastic (HOPE), aluminum, glass and steel cans. In... [Pg.30]

Economic Efficiency and Material-Ecological Benefit of Different Methods of Plastics Recycling... [Pg.455]

Mixed plastics wastes from packaging refuse are recycled by different technologies depending on technological, economical and also subjective factors. In principle the main procedures of plastics recycling can be classified into the following groups ... [Pg.455]

The economics of recycling PET are more favorable than recycling HDPE. To iacrease the recycling of HDPE, the separation of bottles made of these two plastics could be omitted and a mixture processed. Coarse, light-colored powders of the two polymers have been prepared by an experimental soHd state shear extmsion pulverization process (55). The powder has been successfully injection molded without pelletization. [Pg.231]

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