High-salinity and high-ammonia-nitrogen-concentration wastewater treatment method based on MBR
A treatment method and technology of ammonia nitrogen concentration, applied in water treatment parameter control, biological water/sewage treatment, special chemical compound water treatment, etc.
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[0035] Preparation example
[0036] A trace element concentrate, using the following method: 0.5 g h 3 BO 3 0.5g ZnCl, 0.5g (NH 4 ) 6 Mo 7 O 24 · 4h 2 O, 0.5G NICL · 6H 2 O, 0.5G AlCl 3 · 6h 2 O, 0.5g CoCl 2 · 6h 2 O, 0.5g CUSO 4 · 5h 2 O, 2G Fe 2 (SO 4 ) 3 1GMNCL 2 · 4h 2 O, 5GMGSO 4 · 7h 2 O, 5 ml 37 wt% HCl solution was dissolved in 1000 ml of water, which was a trace element concentrate.
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[0037] Example
[0038] A method of treatment based on MBR-based high salinity, high-amine nitrogen concentration wastewater, using an immersion MBR membrane bioreactor, a total volume of 13.5 L, effective volume of 10L, membrane material is a hollow polyfial fluoride fiber film (aperture 0.03 μm, film diameter of 1.0 mm, outer diameter of 2.2 mm, film area 0.235m 2 ) The processing method specifically includes the following steps:
[0039] S1, start phase: control device starts the desired conditions and the alkalinity required for wastewater, starting the MBR reactor, using artificially simulated wastewater, controlling the water supply conditions of the wastewater: salt concentration 10 g / L, ammonia nitrogen concentration 30 mg / L, COD concentration 360mg / L, simultaneous addition of microbial growth of phosphorus source and wastewater volume of 0.1% of the wastewater concentrate, and add NaHCO 3 Maintaining the alkalinity required for wastewater during nitrification, then ...
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