âCode Redâ âCode Blueâ, âCode Blackââ¦people sometimes wonder what these terms mean if they happen to hear them used in a hospital (or more likely, hear them used on a TV series about doctors).his Site Might Help You. RE: what do the hospital color codes mean? Are they generally the same in every hospital? for instance, in our local hospital I have heard the colors; pink, brown, gray, white, yellow, red, and of course, blue.
Re-Use Waste from Reverse Osmosis (RO) Filter. Many of us use Reverse Osmosis Filters (RO filters) to purify Drinking Water, in areas with high TDS (Total Dissolved Salts) content in the Water. Around 75% of the Water fed into a RO filter, is wasted. Only 25% gets extracted as drinking Water.
Many times, recycling water not only prevents its removal from sensitive environments, but it keeps waste water from going into bodies of water such as ocean or rivers, according to the EPA. Recycling water takes waste water such as sewage and reuses it, while it would normally flow into the nearest river or ocean, polluting it and disrupting the aquatic life.