Sand filter + Katalox light filter media groundwater iron and manganese removal process

1.About iron and manganese content in water

Iron and manganese are the basic elements that constitute organisms, but excessive iron and manganese will bring many disadvantages to people's production and life. Excessive iron and manganese content in groundwater will cause the water to produce abnormal colors and odors, affecting the taste of water and human health. As production water, it will foul the boiler and reduce product quality.

Our country's "Drinking Water Hygienic Standards" stipulates that raw water with iron content greater than 0.3mg/L and manganese content greater than 0.1mg/L must be treated with iron and manganese removal to make the raw water quality meet the national drinking water standard.

2. Traditional iron and manganese removal process 

The iron and manganese removal process of traditional aeration + manganese sand filtration, the iron and manganese removal process is to pump the groundwater into the aeration tank to blow air, increase the dissolved oxygen in the water, and oxidize the divalent iron/manganese into ferric/quaternary iron Manganese insoluble matter is filtered through the manganese sand system, and the trivalent iron ions in the water form an active oxide film on the surface, which is physically intercepted and adsorbed online to achieve the purpose of reducing the content of iron ions in the water. Strong oxidizing environment, therefore, the manganese removal effect is lower than the iron removal effect.

3.Sand filter + Katalox light filter media groundwater iron and manganese removal process

The Katalox Light filter media iron and manganese removal process uses German filter material, which simplifies the treatment process and makes the resource value more efficient. Compared with the traditional aeration + manganese sand filter process, it has the following advantages:

a. No need for aeration, small footprint, high degree of self-control

b. Suitable for high concentration iron and manganese removal

c. Excellent effect on arsenic and radionuclides

The process of removing iron and manganese by sand filter + Katalox Light filter media is used to remove iron and manganese and reduce turbidity by using a small amount of dissolved oxygen in the water body. The reason why this process is adopted is because it is based on porous materials. The manganese coating is not limited to the outer surface area, but the overall specific surface area will reflect the manganese coating, so that the catalytic effect of manganese can be effectively utilized.

The sand filter + KL filter media iron and manganese removal process does not require aeration, and it can also meet the removal effect of iron and manganese in the case of a small footprint, and is suitable for the removal of high concentration iron and manganese.

In addition, this process can filter sand, sediment and suspended solids, etc., effectively reduce arsenic, zinc, copper, lead, radium, uranium, radionuclides and other heavy metals, etc., and has high filtration efficiency and no toxic side effects The product does not require the mandatory addition of potassium permanganate, chlorine or chlorine dioxide and other agents, and its operating cost is relatively low.

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