In the United States, countless pieces of electronic equipment waste are thrown into the garbage every year. Although many related waste recycling programs are being implemented in the United States, some researchers believe that there are ways to use these wastes more efficiently than recycling. According to researchers at York University, the "polyvinyl alcohol" (PVA), a compound that can be used in medical applications, is commonly included in LCD displays, but in the past people simply burned or buried discarded LCD panels.
The research team has developed a way to extract PVA from these LCD panel wastes and make them into physical objects. These extracted PVAs can be used to make tissue scaffolds to help repair human injuries; researchers have also shown that the compounds can also be used as carriers of drugs to deliver these drugs to specific parts of the body.
Professor James Clark of the research team said: "There are about 2.5 billion LCD monitors that have been scrapped, plus the number of LCD TV panels that have been scrapped. The total value is quite impressive. We should not simply bury or incinerate these wastes. The useful parts of these wastes should be fully recovered."
The research team will use this recycling technology to obtain a product called "foaming PVA", which uses microwaves to heat the LCD material in water, and then uses ethanol to clean the heated material.
PVA materials have high medical value because they do not cause adverse rejection reactions of the human immune system.
The research team has developed a way to extract PVA from these LCD panel wastes and make them into physical objects. These extracted PVAs can be used to make tissue scaffolds to help repair human injuries; researchers have also shown that the compounds can also be used as carriers of drugs to deliver these drugs to specific parts of the body.
Professor James Clark of the research team said: "There are about 2.5 billion LCD monitors that have been scrapped, plus the number of LCD TV panels that have been scrapped. The total value is quite impressive. We should not simply bury or incinerate these wastes. The useful parts of these wastes should be fully recovered."
The research team will use this recycling technology to obtain a product called "foaming PVA", which uses microwaves to heat the LCD material in water, and then uses ethanol to clean the heated material.
PVA materials have high medical value because they do not cause adverse rejection reactions of the human immune system.
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