Biological purification method for freshwater aquaculture water environment
A freshwater aquaculture and biological purification technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve problems such as the inability to meet the requirements of aquaculture water purification, and achieve obvious economic benefits and social benefits, simple operation and remarkable effect
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[0017] Example 1: Compound microorganism and compound enzyme solid preparation compound purification of freshwater aquaculture environment
[0018] 1. Test plan
[0019] 1. Preparation of compound microorganism and compound enzyme solid preparation
[0020] The liquid medium is added to the fermentor, wherein the liquid medium is composed as follows: the molasses of 10g, the corn steep liquor freeze-dried powder of 0.7g, the ammonium sulfate of 0.01g, add water to make up 1000mL, and the amount of liquid added is 70% of the volume of the fermenter. %, autoclaved for 30 minutes, cooled to 33°C, and then inoculated. Bacillus subtilis (37℃), Alcaligenes faecalis (37℃), Rhodopseudomonas palustris (35℃), Mendoza Five strains of Pseudomonas mendocina (35°C), Candida tropicalis (30°C), and S. microflavus (30°C) were cultured for 20 hours. Liquid centrifugation, collecting the thalline, adding 4 times the quality of the thalli to the thalli, and boiling and drying the mixture of th...
Example Embodiment
[0033] Example 2: Composite purification of freshwater aquaculture environment by microbial flocculants, composite microorganisms and composite enzyme solid preparations
[0034] 1. Test plan
[0035] 1. Preparation of microbial flocculant:
[0036] The treated high-concentration monosodium glutamate wastewater produced by the monosodium glutamate factory was diluted with water to a mass concentration of 20% as the basic medium, 2g glucose was added per liter of medium, and added to the fermenter, and the amount of liquid added was 70% of the volume of the fermenter. . Autoclave for 30 minutes, cool down to 30°C, inoculate with Bacillus sphaeicus, and cultivate at 30°C for 24 hours (the first 8 hours with oxygen). Add anhydrous ethanol accounting for 20% of the total volume of the fermentation broth to separate out polysaccharide substances, add 4 times the mass of bran to the polysaccharide substances, and boil and dry the mixture of polysaccharides and bran in a fluidized ...
Example Embodiment
[0049] Example 3: microbial flocculant, composite microorganism, composite enzyme solid preparation and biological floating bed composite purification of freshwater aquaculture environment
[0050] 1. Test plan
[0051] 1. Preparation of biological floating bed
[0052] Choose a flat polystyrene foam board with a thickness of 1.5cm as the floating bed template, punch holes at a spacing of 5cm between rows, and use U-shaped iron nails, bamboo pieces and soft ropes as a whole for the floating bed to connect the floating bed templates with plant planting holes piece by piece. to make. After the overall assembly of the floating bed is completed, place the two ends of the floating bed in the water to drive piles with galvanized pipes, and tie the ropes at both ends of the floating bed to the piles. Then, the cuttings of cress and water spinach are placed at a suitable depth in the water body according to the height of plant growth, combined with floating balls and counterweights....
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