Cyanobacteria dewatering and composting treatment method
A treatment method and composting technology, applied in dehydration/drying/concentrated sludge treatment, water/sludge/sewage treatment, sludge treatment, etc., can solve problems such as secondary pollution, high water content of cyanobacteria, and unfavorable follow-up disposal , to achieve the effect of reducing transportation costs, high degree of automation, and improving resource utilization
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[0019] Example 1: A cyanobacteria dehydration and composting method, including the following steps: the cyanobacteria collected by the salvage are dehydrated by centrifugal dehydration and then dehydrated by an electric osmotic dehydration device, and then the algae mud and the engineering compound functional bacterial agent are mixed and composted, and the thickness of the compost is 20~30cm, an aeration pipe is inserted in the compost mixed pile, the pH value of the mature cyanobacteria compost is 8.05, the organic matter content is 32.62%, the total nitrogen content is 1.59%, the total phosphorus (P2O5) content is 0.99%, The potassium (K2O) content is 1.5%, and the total nutrient content (nitrogen + phosphorus pentoxide + potassium oxide) reaches 4%. Centrifugal dewatering uses a centrifuge for the first step of dewatering, and the moisture content drops from 95%-99% to about 85%. The engineered compound functional inoculum includes 4% by mass of engineered compound function...
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[0021] Example 2: Refer to Example 1: The engineered compound functional bacterial agent includes 2% by mass of engineered compound functional bacterial strain, and the rest is a culture medium. Engineering compound functional strains include in mass percentage: 10% Bacillus subtilis (AJ276351), 15% Saccharococcus thermophilus (X70430), 5% high-temperature lignin degradation bacteria (AF067651), 14% thermoglucosidase soil spores Bacillus (AY608981), 13% Bacillus thermophilus (AY608961), 15% Geobacillus stearothermophilus (AB271757), 8% Geobacillus (AJ564616), 10% YMO81 (AB250968), 5% YMO722 (AB308475) ), 5% high temperature actinomycetes (AB088361).
Example Embodiment
[0022] Example 3, referring to Example 1, the engineered compound functional bacterial agent includes the engineering compound functional bacterial strain with a mass percentage of 0.5%, and the rest is a culture medium. Engineering compound functional strains include in mass percentage: 5% Bacillus subtilis (AJ276351), 20% Saccharococcus thermophilus (X70430), 5% high temperature lignin degrading bacteria (AF067651), 17% thermoglucosidase soil spores Bacillus (AY608981), 7% thermophilic denitrifying bacillus (AY608961), 21% Geobacillus stearothermophilus (AB271757), 18% Geobacillus (AJ564616), 5% YMO722 (AB308475), 2% high temperature actinic Bacteria (AB088361).
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