Salt-tolerance denitrification microbial inoculum asynchronous domestication culture method
A technology of domestication and cultivation and nitrogen bacteria agent, which is applied in the field of environmental biology, can solve the problems of difficulty in ensuring the environment for halophilic bacteria-containing wastewater treatment, large workload in screening, separation and cultivation of halophilic bacteria, and reduce the use of chemicals. , the effect of simple and convenient operation, low cost and energy consumption
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Example Embodiment
[0022] Embodiment 1, an asynchronous domestication culture method of salt-tolerant denitrification bacteria, the domestication culture method includes two stages of culture and domestication:
[0023] (1) Cultivation stage: the salt-tolerant denitrification bacteria agent salt denitrification bacteria ( Halotolerant sp. ) Or halophilic denitrifying bacteria ( Halophilic sp. ) Or Bacillus ( Bacillus sp. ) Inoculated into an aerobic tank, the concentration of suspended solids after inoculation is 100mg / L; by gradually increasing the concentration of nutrients, after the salt-tolerant denitrifying bacteria in the pool gradually adapts to the surrounding environment, by controlling the appropriate dissolved oxygen , Temperature and pH, increase the concentration of suspended solids to 3000mg / L; the dissolved oxygen DO is controlled at 1.5~2.5mg / L, the temperature T is controlled at 10~20℃, and the pH is controlled at 6~7.
[0024] (2) Acclimatization stage: When the concentration of...
Example Embodiment
[0029] Embodiment 2, an asynchronous domestication culture method of salt-tolerant denitrification bacteria, the domestication culture method includes two stages of culture and domestication:
[0030] (1) Cultivation stage: the salt-tolerant denitrification bacteria agent salt denitrification bacteria ( Halotolerant sp. ) Or halophilic denitrification bacteria ( Halophilic sp. ) Or Bacillus ( Bacillus sp. ) Inoculated into an aerobic tank, the concentration of suspended solids after inoculation is 500mg / L; by gradually increasing the concentration of nutrients, after the salt-tolerant denitrification bacteria in the pool gradually adapt to the surrounding environment, by controlling the appropriate dissolved oxygen , Temperature and pH, increase the concentration of suspended solids to 4000mg / L; the dissolved oxygen DO is controlled at 3.5~5.5mg / L, the temperature T is controlled at 30-40℃, and the pH is controlled at 7-9.
[0031] (2) Domestication stage: When the concentration...
Example Embodiment
[0036] Embodiment 3, an asynchronous domestication culture method of salt-tolerant denitrifying bacteria, the domestication culture method includes two stages of culture and domestication:
[0037] (1) Cultivation stage: the salt-tolerant denitrification bacteria agent salt denitrification bacteria ( Halotolerant sp. ), halophilic denitrification bacteria ( Halophilic sp. ), Bacillus ( Bacillus sp. ) Is inoculated into the aerobic pool, and the concentration of suspended solids after inoculation is 300mg / L; by gradually increasing the concentration of nutrients, the salt-tolerant denitrifying bacteria in the pool gradually adapts to the surrounding environment and then Control the appropriate dissolved oxygen, temperature, and pH to increase the concentration of suspended solids to 3500mg / L; the dissolved oxygen DO is controlled at 2.5~3.5mg / L, the temperature T is controlled at 15~25℃, and the pH is controlled at 7~8.
[0038] (2) Acclimatization stage: When the concentration o...
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