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Does anyone know why so much water is used to manufacture LCDs ? And why can't it be in close circuit, like using an aero refrigerant tower like the ones of nuc
by julienfr112 8y ago
Does anyone know why so much water is used to manufacture LCDs ? And why can't it be in close circuit, like using an aero refrigerant tower like the ones of nuclear plants ?
- shagie 8y agoWashing and polishing the glass prior to attaching the polarization plate. Washing the product to remove toxic compounds from the surfaces is where there is a bit of concern. https://phys.org/news/2014-12-toxic-effects-chemicals-tft-lcd-aquatic.html https://phys.org/news/2014-12-toxic-effects-chemicals-tft-lc...
- djsumdog 8y agoWhich is why that water has to be evaporated, so the toxic solids can be put in a landfill?
- analog31 8y agoCosts more, plain and simple. The state offered a generous subsidy and agreed to relax a variety of environmental regulations in order to attract Foxconn. Meeting those regulations would simply have been a financial tradeoff for the business. The water has to be particulate-free for glass polishing. A particle the size of the wavelength of light leaves a visible scratch. I've worked with an optical polishing shop, and a lot of water is consumed just washing everything from one stage to the next. From what I've read, LCD production is a dirty industry.