126. Задачка по химии №012 652

5. Calculate the effective diameter of solid particles that pollute water if the height of the clarified layer in the sump in the laminar mode of settling is 4 m, the time for water purification by settling is 1 h 10 min, their density is 1980 kg/m3, and the viscosity of the liquid is 0.8937 MPa *With.

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