Wastewater Screens For MBBR System
The wastewater screens for MBBR system as an efficient collector, it is available in several sizes, with various slots and end fittings. Most commonly, the wastewater screen lateral is provided with a solid cap on one end and a threaded pipe connection on the other end. Waste water screen laterals arc supplied with an internal or external distributor pipe when extra strength or more effective backwashing distribution is required.
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Product Introduction
Product Description
The wastewater screens for MBBR system as an efficient collector, it is available in several sizes, with various slots and end fittings. Most commonly, the wastewater screen lateral is provided with a solid cap on one end and a threaded pipe connection on the other end. Waste water screen laterals arc supplied with an internal or external distributor pipe when extra strength or more effective backwashing distribution is required.
Technical Parameters
No. | Model | Diameter(mm) | Length(mm) | Aperture Size(mm) | Wedge Wrie(mm) | Connection Mode | Material |
1 | HS-150 | DN150 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
2 | HS-200 | DN200 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
3 | HS-250 | DN250 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
4 | HS-300 | DN300 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
5 | HS-350 | DN350 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
6 | HS-400 | DN400 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
7 | HS-450 | DN450 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
8 | HS-500 | DN500 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
9 | HS-550 | DN550 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
10 | HS-600 | DN600 | 200~4000 | 5~12 | 2~3 | Flange | SS304/316/316L |
Project Cases
 | Case study：Municipal Wastewater Start Up：October 2016 Capacity：200,000 m3/d |
Challenge
Existing biological treatment plant is A/O oxidation ditch process, customer required that the effluent standard should be up from one-class B to one-class A , to solve the problem of COD and NH4-N out of standard.
Solution
| One cost-effective solution to achieve nutrient removal is the biological treament process. Within the IFAS process, media is filled in the aerobic stages and retained by stainless steel wedge-wire screens located at the effluent end of the process stage. |  |
Results
The plant operates efficiently since the start up. Due to the low water temperature of 10℃, an almost full development of the biofilm was noticed in less than a month.
After the transformation, the average effluent COD was below 50mg/l, and the NH4-N was below 2mg/l. After post deep bed denitrification process, the COD average value of effuent is below 40mg/l, and the total nitrogen is below 10mg/l, it could meets the requirements of class A effluent standard.
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