A method of synchronous desulfurization and denitrification treatment of wastewater based on biological trickling filter reactor
A bio-trickling filter and reactor technology, applied in the field of bioengineering, can solve the problems of high energy consumption, high operating cost of nitrogen-sulfur wastewater, heavy pollution, etc., and achieve the effect of reducing operating costs and realizing waste resource utilization
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0042] KNO Removal Using Traditional Shake Flask Experiments 3 and Na 2 S 2 o 3 ·5H 2 O, this method takes a long time, cannot operate continuously, and has low removal efficiency.
[0043] During the 18-day shake flask experiment, the synthetic wastewater used in the experiment consisted of the following chemical elements (L -1 ): Na 2 S 2 o 3 ·5H 2 O(3.0g·L -1 ); 3 (2g·L -1 ); 2 HPO 4 (1.2g·L -1 ); KH 2 PO 4 0.8 (g·L -1 ); NaHCO 3 (1.0g·L -1 ); NH 4 Cl (0.5g L -1 ); MgSO 4 ·7H 2 O(0.4g·L -1 ) and 0.1ml·L -1 Trace element solution (EDTA (50g·L -1 ); ZnCl 2 (0.16g·L -1 ); CaCl 2 2H 2 O(7.34g·L -1 ); MnCl 2 2H 2 O(3.05g·L -1 ); FeCl 2 4H 2 O(3.58g·L -1 ); (NH 4 ) 6 MO 7 o 24 4H 2 O(0.5g·L -1 ); CuCl 2 2H 2 O(0.136g·L -1 ); CoCl 2 2H 2 O(0.43g·L -1 ); NiCl 2 ·6H 2 O(0.51g·L -1 ); AlCl 3 ·6H 2 O(0.51g·L -1 )).
[0044] The experiment started with 10mol·L -1 NaOH adjusted the pH of the synthetic wastewater to 7.2, poured the...
Embodiment 2
[0047] The laboratory-scale bio-trickling filtration reactor BDFR reactor used in this embodiment is made of glass, and its inner diameter and bed height are 12 and 30 cm, respectively. The BDFR reactor packed bed is composed of Pall rings, multi-surface hollow balls, moving bed biological fluidized bed packing MBBR packing, fiber balls, polyurethane foam, and the attached biomass of packing is 104.7mg / g (填料) , The film-forming time of the filler is 45d, and the dosage rate is 80%. The properties of the filler are shown in Table 1:
[0048] Table 1 The performance of packing
[0049]
[0050] Synthetic waste water used for BDFR treatment consists of the following chemical elements (L -1 ): Adjust the composition of the nutrient solution: Na 2 S 2 o 3 ·5H 2 O(3.0g·L -1 ); 3 (2g·L -1 ); 2 HPO 4 (1.2g·L -1 ); KH 2 PO 4 0.8 (g·L -1 ); NaHCO 3 (1.0g·L -1 ); NH 4 Cl (0.5g L -1 ); MgSO 4 ·7H 2 O(0.4g·L -1 ) and 0.1ml·L -1 Trace element solution (EDTA (50g·L...
PUM
| Property | Measurement | Unit |
|---|---|---|
| diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More