Wastewater biochemical treatment denitrifying microorganism compound nutrition agent
A denitrifying microorganism and biochemical treatment technology, which is applied in the field of denitrifying microbial compound nutritional preparations for wastewater biochemical treatment, can solve the problems of inconvenient maintenance, single additional carbon source, and increased floor area, so as to reduce maintenance costs and technology Difficulty, the effect of increasing the footprint
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[0028] Example 1:
[0029] Wastewater biochemical treatment microbial complex nutrient solution, consisting of the following raw materials by weight: 19% glucose, 32% sucrose, 15% starch, 10% sodium acetate, 8% nitrogen nutrient, 6% phosphorus nutrient , 4% alkalinity regulator, 2% amino acid, 1% vitamin, 1% protease, 2% trace element additive.
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[0030] Example 2:
[0031] Wastewater biochemical treatment microbial complex nutrient solution, consisting of the following raw materials by weight: 12% glucose, 33% sucrose, 23% starch, 6% sodium acetate, 12% nitrogen nutrient, 7% phosphorus nutrient , 2% alkalinity regulator, 2% amino acid, 1% vitamin, 1% protease, 1% trace element additive.
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[0032] Example 3:
[0033] A sewage treatment plant in Huangpu District, Guangzhou (circuit board industrial wastewater), the influent CODcr of the wastewater biochemical treatment system is 328-389mg / L, the total nitrogen is TN18-34mg / L, and the pH is 6.8-7.3. There are two parallel sewage treatment systems in the factory, each with a water treatment capacity of 1100 tons / day.
[0034] Control group: the nutrient solution is 20% by weight glucose-water solution;
[0035] Experimental group: dissolve the formula of Example 1 into a 20% by weight aqueous solution;
[0036] The dosage of nutrient solution in each sewage treatment system is 30 kg / day. After 21 days of culture operation, the total nitrogen removal effect of the control group is not good, and the removal rate of COD is not very good. The effluent COD is 102-115mg / L, the total nitrogen is 11-16mg / L; while the experimental group after 21 days of operation, the effluent COD is about 69-92mg / L, and the total nitroge...
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