Biofilter Media

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1 - 99 cubic meters
$265.00
100 - 299 cubic meters
$170.00
>= 300 cubic meters
$155.00

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Hangzhou Juntai Plastic Products Co., Ltd

Hangzhou, China

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Denitrification Background Information In order to carry out denitrification of a wastewater flow (removal of the nitrogen from the wastewater), it is necessary to first nitrify the wastewater, that is, convert the ammonia nitrogen typically present in the influent wastewater to nitrate. Nitrification will only take place at a reasonable rate in an MBBR reactor if the BOD level is quite low. Thus, an MBBR denitrification process will need a reactor for BOD removal, one for nitrification, and one for denitrification. The nitrification reactor will always follow the BOD removal reactor, because of the need for a low BOD level in the nitrification reactor. The denitrification reactor may be either before the BOD removal reactor (called pre-anoxic denitrification) or after the nitrification reactor (called post-anoxic denitrification). Flow diagrams for these two denitrification options are shown in the figure below.

1. MBBR-SBR SLUDGE PROCESS

2. ANAEROBIC-ANOXIC-OXIC PROCESS

3. OXIDATION DITCH-MBBR PROCESS

                                                            ·Size
                                                            Φ25*12mm
                                                        
                                                            Hole Numbers
                                                            19
                                                        
                                                            Material
                                                            100% White Virgin HDPE
                                                        
                                                            Weight
                                                            95KG/CBM
                                                        
                                                            Densilty
                                                            0.96-0.98g/cm3
                                                        
                                                            Surface Area
                                                            >650m2/m3
                                                        
                                                            Packing Numbers
                                                            >118000pcs/m3
                                                        
                                                            Porosity
                                                            >85%
                                                        
                                                            Dosing Ratio
                                                            15-65%
                                                        
                                                            Membrane-Forming Time
                                                            3-15days
                                                        
                                                            Nitrification Efficiency
                                                            400-1200gNH4 N/M3.d
                                                        
                                                            BOD5 Efficiency
                                                            2000-10000g BOD5/M3.d
                                                        
                                                            Life-Span
                                                            >15year
                                                        
                                                            COD5 Efficiency
                                                            2000-15000 gCOD5/M3.d
                                                        
                                                            Applicable Temperature
                                                            5-60℃

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