Pebbles, pebbles water treatment

Water pebble gravel filter is the result of natural river dredging, artificial selection, sub-screen is made spherical or oval, pure white or variegated, 2.66 density, bulk density 1.85g / cm3, hydrochloric acid soluble rate of 0.12%, Mohs hardness value 1.22 × 10Pa, including soil volume = 0, the mechanical strength of 7.0, the support layer is required under various media. MEGA Water pebble gravel filter is widely used in steel smelting industry, chemical plants, petroleum, thermal power, paper, printing and dyeing wastewater treatment plants and other industries sewage treatment works, sewage main filter larger particles. Water treatment cobblestone support layer rigid target requirements: Hydrochloric acid soluble rate