A kind of biological synergist and its application
A technology of biological synergy and inoculum, applied in microorganisms, sustainable biological treatment, biological water/sewage treatment, etc., can solve the problems of high equipment cost and low COD degradation rate, so as to reduce operating costs and improve sludge structure. Effects of composition and biological activity
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Embodiment 1
[0029] Embodiment 1: the acquisition of biological synergistic bacterial classification
[0030] The biostimulant strain SY-NPD-3 was isolated from the sludge of a coking plant in Anshan City, Liaoning Province. It was identified as Pseudomonas by 16SrDNA gene sequencing and was deposited in China Microorganisms on November 13, 2012. General Microbiology Center of the Preservation Management Committee, the deposit number is CGMCCNo.6823. The screening medium of bacterial strain SY-NPD-3 consists of: 2000ppm naphthalene, 400ppm (NH 4 ) 2 SO 4 , Agar 15g / L. The sludge was serially diluted (diluted 10 6 、10 7 、10 8 times), pipette 0.1mL dilution solution and add it to the screening medium, spread it evenly with a glass rod, incubate at 30°C for 2-4 days, pick the fastest growing strain and name it SY-NPD-3, amplify its 16SrDNA and Its 16SrDNA sequence was determined, and it was identified as Pseudomonas after comparison in GenBank.
[0031] The biosynthetic bacterial stra...
Embodiment 2
[0035] Embodiment 2: the preparation of biological synergistic bacterial agent 1
[0036] Pseudomonas sp., CGMCC No.6823) SY-NPD-3, Acinetobacter sp., CGMCC No.6824) SY-PD-27, Bordetella sp., CGMCC No.6825) SY -PDD-9, Klebsiella sp. (CGMCC No.6826) SY-SW51, Bacillus magterium (CGMCC No.5225) SY-Z5, Bacillus subtilis (CGMCC No.5224) SY-ND The 6 strains were inoculated into sterilized LB medium for activation as seed liquid, and cultured at 30°C for 24 hours. At this time, the concentration of the fermentation liquid of each strain could reach 10 9 cfu / mL or more. Then, the seed solution of the 6 strains was inserted into the sterilized LB medium with an inoculum amount of 1%-3% (the volume of the seed solution to the volume of the fermentation medium) for fermentation, and cultured at 30°C for 24h-36h to make the bacteria The body concentration reaches 10 9 —10 11 cfu / mL. The fermentation liquid of the above 6 strains was prepared into a mixed solution according to the vol...
Embodiment 3
[0037] Embodiment 3: the preparation 2 of biological synergistic bacterial agent
[0038] The method is the same as that in Example 2, except that the fermentation liquid of the above-mentioned 6 strains is prepared into a mixed liquid according to the volume of 40:5:15:18:18:18.
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