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Experimental studies have shown that the total number of bacteria in the air after spraying the street is less than the total number of bacteria before spraying, and the difference in the fast lane is the maximum. However, when the road is sprayed with reclaimed water, in addition to direct contact with the workers, water mist and gas dissolved from the reclaimed water are blown into the air and may be in direct contact with the public. If the disinfection of reclaimed water is not complete, the biological indicators are unqualified, and the pathogenic bacteria contained therein may affect the health of workers and the public. In addition, bitter water contains more than the standard rich and harmful substances, but also cause varying degrees of damage to the human body. Therefore, we must strictly control the quality of reused water to ensure the safety of water.
Benefits of using recycled water sprinklers on roads
Road sprinkling is to keep the street square tidy and to facilitate traffic. In the summer, roads can also be used to cool water and protect the road surface. Because spraying roads can reduce road dust, it can also reduce airborne fines. Street flushing water consumption is about 2-3 liters/day·m2. However, its water quality requirements are low and it is suitable for the use of recycled water.