The water shortage is now a global issue. I was very surprised to see so many special water purification facilities in Brave Blue Water. For example, I never thought that moisture in the air could also be extracted and used. In addition, the combustion products made from feces really make the domestic waste get full circulation, which is very good, but I still doubt the benefits of this operation, otherwise, it is still difficult to promote. Secondly, more information is required to ensure that the water purification box or membrane can indeed purify wastewater to drinkable water; thirdly, if the cost is too high, or higher than the cost of transporting purified water from afar, this technology is difficult to promote, especially among the poor. Other questions, such as what is the raw material for the production of the membrane, and is the cost high or low? What kind of waste will be generated by these technologies in the process of purifying purified water? In addition, does the energy required for the water purification box be large? How to deal with membranes after water purification? Are they harmful?
Even though some people are not in the water-shorted area and don’t use the water purification facilities, they can still save water by reusing the water in their daily lives. This is also a contribution to preventing the global water shortage and helping our future drinkable water protection.
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