The Principle of Manganese Sand Filter for Iron and Manganese Removal

Water, the very essence of life, may at times be impure which makes it less useful or desirable to drink. These impurities may differ, and amongst them Iron and manganese are waters contaminants, capable of degrading the quality of water such that it causes discoloration, staining and even bad taste and odor. The Yihang Manganese Sand Filter benefits from new technological advances of pressure sand filtration in the removal of these unwanted features from water sources thereby attaining clean and safe water for different uses.

The operational principle
It has been acceptable within the Yihang Manganese Sand Filter that iron and manganese can be physically and chemically removed from water as long as the two processes occur simultaneously. Manganese Sand Filter employs the use of a special leached and graded manganese dioxide silica sand as the main media which is in turn used as a catalyst during the oxidation and removal process.

Oxidation process: When the water percolates through the filter bed, Dissolve Ferrous Iron And Manganese are first subjected to a mild oxidation environment while flows through the select media. There may be a need to add a chemical oxidizer or systems such as air may be injected into the dissolved iron . This is the first step for destroying dissolved ferrous iron and manganese, because it makes them no longer soluble and able to combine with oxygen.

Adsorption and filtration: The sand grains which have been coated with manganese oxide are excellent at capturing the insoluble particles that are generated throughout the oxidation process of iron oxides. The high surface area and reactivity of manganese dioxide enables extensive surface adsorption ensuring that iron and manganese, as oxides, are retained within the filter medium.

Backwashing and regeneration: With time, the Manganese Sand Filter bed does collect an element of these impurities which leads to decrease in performance. Thus, an effective backwashing cycle is put in place to assist the filter by cleaning the embedded debris by reversing the water flow through the system.

Why use Yihang manganese sand filters
High efficiency: The Manganese Sand Filters of our Yihang have been produced in such a way that there are high removal of iron and manganese contaminants from water systems making it potable or even more safe than required for human consumption.

Durability: The application of manganese oxide coated sand of the best caliber guarantees effective performance over time and less costs in maintaining the equipment.

Versatility: Designed to treat different water for various uses including but not limited to well, municipal, and industrial process water.

Ease of operation and maintenance: Considerable simplification of the operational processes is provided by automated control systems of the filter, and maintenance work is performed with great ease and with no complications.