PREPARATION OF IRON-COATED SAND AND WATER TREATMENT USING SAID SAND

摘要

The invention iron relates to a method of producing the coated sand, and a water treatment method using the sand, the moisture of the iron compound to the sand, such Inc. Jumunjin under then added with water creating a slurry heating or reduced pressure in accordance with the present invention 90% or more removed using the following was filled with sand with the produced was dried at a temperature of 100 to 550 ℃ 1 to 24 hours, the iron coating on the filtration unit with the sand a conventional manganese coating when arsenic in a variety of pH - 3 from the contained raw water and has 5 to economically and efficiently remove both arsenic.