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0.01 can the filter remove algae from the water? (1) algae and other plankton breed in large quantities, and the water is green. the reason for the water's nourishment is that there are too many phosphorus elements in the water. (2) the chemical formula of algae is C xH yO110N16P, the mass ratio of nitrogen and oxygen in the algae (14 × 16): (16 × 110) = 7: 55; (3) it is known that the relative molecular mass of the algae is 3550, and the mass fraction of carbon is 35.8%. then 12x3550 × 100% = 35.8%, x = 106. therefore, the answer is: (1) Phosphorus (or P); (2) 7: 55; (3) 106.

How scientific treatment of domestic sewage? A company is carrying out sewage treatment (sewage treatment, wastewater treatment): in order to make the sewage meet the water quality requirements of draining a certain water body or using it again,The process of purifying it.Classified by source of sewage,Sewage treatment is generally divided into production sewage treatment and domestic sewage treatment.Production sewage includes industrial sewage, agricultural sewage and medical sewage,Domestic sewage is the sewage produced in daily life.Sewage treatment is widely used in various fields such as construction, transportation, energy, petrochemical, environmental protection, urban landscape, medical care, catering, etc,More and more into the daily life of ordinary people.Modern sewage treatment technology,According to the degree of treatment,Can be divided into Level 1, Level 2 and Level 3 processing.First-level processin
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