A Danish company called Agroplast has figured out how to turn pig-piss into plastic and into a cigarette "flavor enhancer":
Transforming farm waste into plastic precursors is potentially attractive over other bioplastic ideas because the feedstock effectively has no value. In fact, it has negative value because animal waste must be disposed, which costs money. Some other bioplastic companies make their resins out of corn starch.
Tøttrup claims that the process could, conceivably, result in plastics that cost a third less than conventional plastics made from fossil fuels. That's a big conceivably. Traditionally, bioplastics made of vegetable matter have cost more than fossil fuel plastics. Evaluation of the pricing will have to wait until large volumes of this stuff are made. Agroplast is going into a pilot study now, Tøttrup said.
(Image: URINE: a Creative Commons Attribution ShareAlike photo from Salvez's Flickr stream)
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