Activated Carbon Media

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Guangzhou Chunke Environmental Technology Co. Ltd

Guangzhou, China

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Activated Carbon media mostly use to remove chlorine, odor, and taste from water. Chlorine in the water will damage water-softener resin beads. It is a common practice to place carbon filtration after the media filter and before the water softener. Run daily chlorine residual tests on the effluent of the carbon filter. When chlorine breakthrough occurs, backwash the unit. If this does not reduce the chlorine breakthrough, replace the carbon media. Carbon filtration is always recommended in front of a RO system. Chlorine can attack membranes similar to the attack on resin beads, and organics will foul the membranes.
Activated carbon media or coconut shell carbon media are used for the removal of (a) chlorine, (b) sediment, and (c) organics, phenol, pesticides, surfactant, colors, and so on. The activated carbon media bed is back-washed with the aforementioned filters to remove suspended solids for industrial water treatment solutions. Activated carbon media are housed in stainless steel, iron, and fiberglass tanks. Iron and FRP tanks are suggested where raw water is salty and corrosive in industrial water treatment solutions.
When activated carbon media (coconut shell carbon) is used before RO or mineralization, it is important to run bacteria tests on the filter effluent for industrial water treatment solutions. If bacteria are present, remove the coconut shell carbon media from the filter, disinfect the vessel, and use new carbon media as a replacement. Bacteria can attack membranes and resin, causing media failure, and should be avoided. If the coconut shell carbon media cannot be easily replaced and a quick fix for bacteria is required, the addition of hydrogen peroxide to the system can effectively kill the bacteria while doing minimal damage to the carbon media as industrial water treatment solutions. Anthracite-activated carbon media is also used for industrial water treatment solutions instead of coconut shell carbon media. Below, you can see the specification of anthracite-activated carbon.

                                                            Granularity Diameter
                                                            0.5~8mm
                                                        
                                                            Moisture
                                                            ≤ 8%
                                                        
                                                            Iodine Number
                                                            600~1000mg/g
                                                        
                                                            Total Porous Volume
                                                            0.8~1cm3/g
                                                        
                                                            Phenol Adsorption Rate
                                                            ≥450 mg/g
                                                        
                                                            Hardness
                                                            ≥90%
                                                        
                                                            Decolorization Rate
                                                            ≥11ml
                                                        
                                                            Specific Surface Area
                                                            900~1300m2/g
                                                        
                                                            Ash
                                                            ≤ 5%