GE CLST M1A Lecture Notes - Lecture 21: Purified Water, Bottled Water, Carbon Footprint
21 Dec 2017
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Appropriate technology: social, political, and economic aspects of the community. Focus only on primary treatment: waste water would sit in a big pool to store. Fancy treatment plan was damaging boston harbor and make primary treatment work better. Reverse flushing the toilet: collect the waste material, and the liquid and solid can be cycled if not chemically contaminated: add sea water to the waste water. (now liquid, control group: add clean lab water to the liquid. Just more dilute: add base: allow iron hydroxides to form. (tiny solids, go around and wrap up all the solid. Volume of water used to create a product includes three kinds of water: blue, green, and gray. Important for the feedback on the planet. hydrology. Blue: sur(cid:28665)a(cid:28662)(cid:28664) an(cid:28663) (cid:28666)roun(cid:28663)wat(cid:28664)r, (cid:28662)onsum(cid:28664)(cid:28663) (cid:28665)rom (cid:28664)art(cid:28667)"s (cid:28665)r(cid:28664)s(cid:28667)wat(cid:28664)r. (cid:28667)y(cid:28663)rolo(cid:28666)y. Gray: volume of polluted water, amount required to dilute pollution. pollution.
