Daily Water Treatment Question (11.20)
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This post was last edited by 68589544 on 2016-11-23 at 18:07. 1. Which of the following options does not match the characteristics of inorganic coagulants, including aluminum salts, iron salts, and their polymers? A. Raw materials are readily available. B. The preparation process is relatively complex. C. The price is low. D. The treatment effect is good. 2. Among the parameters of the pressure dissolved air flotation process, which one is not related to the dissolved air formation process? A. Pressure in the air dissolution tank B. Horizontal flow velocity in the flotation tank C. Load per unit cross-sectional area of the air dissolution tank D. Liquid level in the air dissolution tank B;B
1. The option that does not correspond to the characteristics of inorganic coagulants, including aluminum salts, iron salts, and their polymers, is B. A. Raw materials are readily available. B. The preparation process is relatively complex. C. The price is low. D. The treatment effect is good. 2. Among the parameters of the pressure dissolved air flotation process, the parameter that has nothing to do with the dissolved air formation process is B. A. Pressure in the air dissolution tank B. Horizontal flow velocity in the flotation tank C. Load per unit cross-sectional area of the air dissolution tank D. Liquid level in the air dissolution tank
B---------B
1. The option that does not correspond to the characteristics of inorganic coagulants, including aluminum salts, iron salts, and their polymers, is B. A. Raw materials are readily available. B. The preparation process is relatively complex. C. The price is low. D. The treatment effect is good. 2. Among the parameters of the pressure dissolved air flotation process, the parameter that has nothing to do with the dissolved air formation process is D. A. Pressure in the air dissolution tank B. Horizontal flow velocity in the flotation tank C. Load per unit cross-sectional area of the air dissolution tank D. Liquid level in the air dissolution tank
1. The option that does not correspond to the characteristics of inorganic coagulants, including aluminum salts, iron salts, and their polymers, is B. A. Raw materials are readily available. B. The preparation process is relatively complex. C. The price is low. D. The treatment effect is good. 2. Among the parameters of the pressure dissolved air flotation process, the parameter that has nothing to do with the dissolved air formation process is B. A. Pressure in the air dissolution tank B. Horizontal flow velocity in the flotation tank C. Load per unit cross-sectional area of the air dissolution tank D. Liquid level in the air dissolution tank