How to classify Activated Carbon rods in Water Purification Systems?
Powder activated carbon and granular activated carbon are the two most frequent types of activated carbon. Powder activated carbon has a particle size of less than 0.18 mm, whereas granular activated carbon has a particle size of 0.2 to 5 mm. Because it contains more voids and a higher surface area, powdered activated carbon is commonly utilized in the field of water treatment. It is commonly used as a raw material to make the activated carbon completely touch with water while limiting carbon powder leakage, and the powdered activated carbon is then formed into a rod (block) shape using different procedures.
So, how many different types of activated carbon rods are employed in the water purifier's filter element? Let’s have a look!
1: Compressed activated carbon rod
The source material for compressed activated carbon is coal or coconut shell activated carbon powder, which is heated and compressed with a binder before being extruded. The production method is simple, and the equipment investment is minimal.
The compressed activated carbon filter element, as opposed to the standard granular activated carbon filter element, may prevent carbon powder leakage and assure the cleanliness of downstream fluid. The element has a physical interception filtering accuracy of 5um-30µm. It has strong temperature resistance, acid and alkali resistance, and chemical compatibility, as well as outstanding organic matter, odour, residual chlorine, and pigment adsorption ability. Organic solvent decolorization filtration, water treatment purification, deodorization, and decolorization are all common applications.
2: Activated carbon rod with fibres
Activated carbon fibre moulding is created from high-quality carbon powder, polymer fibre, active agent, and composite filter material, among other things, using unique methods such pulping, stirring, vacuum forming, high-temperature baking, and compression. Fiber-forming activated carbon has a cheap cost of production and a huge output. The activated carbon filter element with varying filtering performance may be made by adjusting the component composition. Fiber produced activated carbon filter elements have a physical interception accuracy of 1µm-50µm. It offers physical filtering and intercepting capabilities.
3: Sintered activated carbon composite rod
High-quality carbon powder and a range of composite filter materials are used as raw materials for composite sintered activated carbon, which is moulded using unique procedures including stirring, mould-filling, pre-pressing, high-temperature baking, and post-processing. To acquire activated carbon filter components, the composite sintered activated carbon offers a flexible production technique and may be created in various forms and filtering qualities. The void structure and surface area of the sintered activated carbon filter element may be optimized and the composite sintered activated carbon filter element can be kept to the fullest degree possible by controlling the component formula.
The filtering time may be efficiently increased by using a homogeneous physical combination. The composite filter material successfully filters out strange odours, colours, heavy metals, and three harmful organics including methyl halide, as well as inhibiting bacteria development. Physical interception and filtration accuracy of composite sintered activated carbon ranges from 0.5µm to 50µm. As a result, the sintered activated carbon filter element has a superior physical interception and filtering capacity in addition to its high efficiency chemical adsorption capacity.
Conclusion
The use of water filtration technology has risen dramatically as a result of severe water contamination. Activated carbon rods have been widely employed due to their superior filtration and adsorption properties. A water-containing skeleton aluminosilicate mineral made of silicon-oxygen and aluminum-oxygen tetrahedrons is changed to create the natural mineral water purification filter material.
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