A device and method for treating ammonia nitrogen wastewater
A technology for ammonia nitrogen wastewater and raw water, applied in the direction of microorganism-based methods, biomass post-treatment, chemical instruments and methods, etc., can solve the problems of affecting the internal structure of the pellets, decreasing the strength of the pellets, and long processing time, etc., so as to reduce the operation Effects of difficulty, reduced operation, and fast removal rate
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[0072] 1. Materials
[0073] Microalgae strains and culture conditions: select a single colony of Chlorella vulgaris growing on the surface of the agar dish 23, and transfer the microalgae colony to the culture solution prepared in advance and sterilized by a high-pressure steam sterilizer.
[0074] The culture medium is 3N-BBM+V culture medium, in which 0.2g / L glucose is added, and the formula of 3N-BBM+V culture medium is as follows (concentrations are all g / L): NaNO 3 ,0.75; CaCl 2 2H 2 O,0.025; MgSO 4 ·7H 2 O,0.075;K 2 HPO 4 ·3H 2 O,0.075; KH 2 PO 4 , 0.175; NaCl, 0.025. In addition, the culture fluid also contains other trace components, including (concentrations are mg / L): Na 2 EDTA, 4.5; FeCl 3 ·6H 2 O,0.582; MnCl 2 4H 2 O,0.246; ZnCl 2 ,0.03; CoCl 2 ·6H 2 O, 0.012; Na 2 MoO 4 2H 2 O,0.024; VB 1 ,1.2; VB 12 ,0.01. The culture volume is 20 mL, and the culture solution is placed in a 25 ml flask 24 .
[0075] The culture solution containing Chlorel...
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