Method for preparing aqueous liquid fertilizer by comprehensively utilizing livestock and poultry biogas slurry
A technology of aqueous solution and biogas slurry, applied in the direction of liquid fertilizer, application, nitrogen fertilizer, etc., can solve problems such as waste, achieve recycling, change fertilization methods, and benefit environmental protection
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Embodiment 1
[0023] A method for preparing an aqueous fertilizer, comprising the preparation of an aqueous fertilizer base material and the preparation of an aqueous fertilizer finished product:
[0024] Among them, the preparation of the aqueous fertilizer base material is as follows: after the solid-liquid separation of the livestock and poultry breeding wastewater, the excrement of the livestock is introduced into the fermentation tank through the pipeline for anaerobic fermentation, and then the fermented biogas slurry is collected through the overflow pipe. The storage tank is treated with aeration and aerobic treatment, and finally flocculated, filtered, sterilized, and introduced into chelation digestive irrigation.
[0025] Among them, the preparation of the finished product of the aqueous fertilizer is as follows: the content of the component elements of the aqueous fertilizer base material is detected, and after the content of the component elements is obtained, according to the n...
Embodiment 2
[0027] The preparation method is the same as Example 1, the difference is: according to the nutritional requirements of different plants, different chemical elements are added to obtain different aqueous fertilizers, specifically:
[0028] A method for preparing an aqueous fertilizer, comprising the preparation of an aqueous fertilizer base material and the preparation of an aqueous fertilizer finished product:
[0029] Among them, the preparation of the aqueous fertilizer base material is as follows: after the solid-liquid separation of the livestock and poultry breeding wastewater, the excrement of the livestock is introduced into the fermentation tank through the pipeline for anaerobic fermentation, and then the fermented biogas slurry is collected through the overflow pipe. The storage tank is treated with aeration and aerobic treatment, and finally flocculated, filtered, and sterilized, and then introduced into chelation digestive irrigation;
[0030] Among them, the prep...
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