| Customization: | Available |
|---|---|
| Manufacturing Process: | Injection |
| Surface Treatment: | No Process |
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underdrain block:
The denitrification deep bed filter combines denitrification and deep bed filtration function organically, and is a treatment unit that combines biological denitrification and filtration functions. After being installed in the secondary sedimentation tank,
it can be fully integrated with other treatment units. It has multiple functions such as denitrification,phosphorus removal, and removal of suspended solids.
Feature:
Lightweight and easy-to-handle; reduces installation costs
| Name/ | Denitrifying filter bricks/, |
| Size/ | W270*H320*L1224 mm |
| Weight/ | 11.5±0.5 Kg |
| Backwash water volume/ | 0.25 m³/m².min |
| Backwash gas volume/ | 1.50 m³/m².min |
| Length of pool/ | Lmax=15 m(/ casing type),Lmax=10-25 m(/canal type) |
| Width of pool/ | Wmax=10 m, Recommended 3-5 m/3-5 |
| Installation way/ | Wall casing types, front and centre drain types/ , |
| Material/ | HDPE/ |
| load-bearing/ | 6 T/m² |
FXSINO is a company specialized in the design and manufacture of tower internals, packing, tower trays and the process of energy saving. Mainly develop the production, test and engineering service of mass transfer and separation in Chemical, Petrochemical, Refinery, Fertilizer, Oil & Gas and Environmental Protection areas.
With many years of technological development and production innovation, FXSINO has a very complete production equipment and strength. Widely cooperation with domestic famous Research institute & Multinational Group let FXSINO gain an unprecedented leap in the filed of production application recently.We provide our clients the best priced tower packing, trays and tower internals with good quality, practical utility and high - efficiency. Meanwhile, positively assist our
customer resolve some questions which happened in project design, equipment commission, later maintenance& replacement etc..
"Abandon some of old rules aims to better development, Never stop our progress because of past achievements "is deeply rooted in FXSINO staff heart. We believe each effort and innovation will let us move little faster than others.
1;Upgrading and renovation of sewage treatment Plants
2;Advanced treament of municipal sewage
3:Industrial wastewater treatment
The denitrification deep bed filter uses 2-3mm quartz sand as the biofilm medium for denitrification organisms, and the filter can ensure that the effluent SS is below 5mg/L. The specific surface area of the 2-3mm medium is relatively large. During the backwash cycle, the filtration area per m2 can ensure the retention of 7.3kg of solid suspended solids. The high solid load greatly prolongs the filtration cycle of the filter and reduces the number of backwash cycles. The denitrification filter
adopts a combination of air and water for backwashing. Backwashing wastewater is generally returned to the front biological treatment unit. Due to the high load retention performance of the filter bed solids, the amount of backwash water used does not exceed 4% of the treatment plant's water volume.
Using an appropriate amount of high-quality carbon source, denitrifying bacteria attached to the surface of quartz sand can convert NOX-N into N to complete the denitrification reaction process. In the denitrification process, due to the continuous reduction of nitrate nitrogen to nitrogen, a large amount of nitrogen will accumulate in the deep bed filter. These gases will cause sewage to bypass the medium, thereby enhancing the contact between microorganisms and water flow and improving filtration efficiency. However, when too many nitrogen bubbles accumulate in the pool, it can cause head loss. At this time, it is necessary to disperse the nitrogen and restore the head several times a day
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