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In order to help the people of developing countries drink clean water conveniently and effectively . According to the research of scientist,the cactus removed 98 percent of bacteria within 15 minutes by clumping sediment and bacteria into small flocs-clumps of particles floating in water-that could easily be filtered out. We just need put off the thorn of cactus and pour it in the bucket which full of polluted water, then turn the bucket, so as we can filter the polluted water.Rotary filter through ball bearing inertial rotating like gyro without electricity,which can filtering quickly to achieve the goal of high efficiency and energy saving.
Wufeng Dist., Taichung City, Taiwan
Chaoyang University of Technology