Method for extracting pannonibacter phragmitetus from sludge
A technology of microorganisms and sludge, applied in the direction of biochemical equipment and methods, microorganisms, microorganisms, etc., can solve the problems of weak competitiveness and high cost of exogenous microorganisms, and achieve the effects of long duration of high temperature, low cost, and simple cultivation operation
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Embodiment 1
[0022] Mix the dewatered sludge and decomposed sludge according to the weight ratio dehydrated sludge: decomposed sludge=4:1, add 0.8% normal saline, and the weight-volume ratio (g / ml) of sludge to normal saline is sludge: Physiological saline = 1:10, shaken for 1 hour, obtained after filtration; ordinary nutrient solution in enriched culture medium: sludge exudate = 4:1. Indigenous microorganisms obtained from enrichment culture, the effective number of viable bacteria (CFU) is ≥10 9 / g, and it is added to the heap as a compost starter, wherein the initial sludge moisture content is 55%, and the weight ratio is: sludge: wood chaff = 1:0.1, and the static forced ventilation method is Intermittent ventilation, the frequency is 15 minutes per hour, and the ventilation volume is 0.04~0.09m 3 / min·t, the duration is 15d. The test found that the initial organic matter of the compost was 61.4%, the organic matter of the compost was 37.6%, the organic matter degradation rate was 38...
Embodiment 2
[0024] Mix the dewatered sludge and decomposed sludge according to the weight ratio of dehydrated sludge: decomposed sludge = 4:1, add 0.8% physiological saline, and the weight-volume ratio (g / ml) of sludge to physiological saline is: sludge : Physiological saline = 1:10, shake for 1 hour, get the filtrate after filtration; enrich the ordinary nutrient solution in the culture medium: sludge exudate = 4:1. Indigenous microorganisms obtained from enrichment culture, the effective number of viable bacteria (CFU) is ≥10 9 / g, and it is added to the heap as a compost starter, wherein the initial sludge moisture content is 55%, and the ratio by weight is: sludge: conditioning agent = 1:0 mixed, the static forced ventilation method is Intermittent ventilation, the frequency is 15 minutes per hour, and the ventilation volume is 0.03~0.08m 3 / min·t, the duration is 15d. The test found that the initial organic matter of the compost was 33.7%, the organic matter of the compost was 26.4...
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