Anthracite Coal

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Anthracite Filter Media is often used as a sub-fill and as a component of multi-media filters. Anthracite is a long-lasting medium with a wide temperature range. It includes no silica, which would interfere with the manufacture of super clean water.

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Depeex Export co.

Gujarat, India

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                                                            Color
                                                            black
                                                        
                                                            Bulk Density
                                                            50 lbs./cu. ft
                                                        
                                                            Specific Gravity
                                                            1.65±0.05
                                                        
                                                            Uniformity Co efficiency
                                                            1.3 – 1.7
                                                        
                                                            Hardness
                                                            3.0 – 3.8 (Mohs scale) Operational Specifications
                                                        
                                                            Bed depth
                                                            24 – 36 in., 10 - 18 in. for multibed filters
                                                        
                                                            Freeboard
                                                            50% of bed dept (min.)
                                                        
                                                            Service flow rate
                                                            5 gpm/sq. ft. or higher depending upon local conditions
                                                        
                                                            Backwash flow rate
                                                            12 - 25 gpm/sq. ft. depending upon mesh size
                                                        
                                                            Backwash expansion rate
                                                            20 – 40% of bed depth