A kind of method that utilization sludge produces γ polyglutamic acid organic fertilizers
2017
The invention belongs to agricultural fertilizer preparation field.Purpose is to provide a kind of low cost, can reduce the method that the utilization sludge of environmental pollution produces γ polyglutamic acid organic fertilizers.The technical scheme of use is:By weight percentage, go the dewatered sludge, 25~40% agricultural wastes auxiliary materials and 4~8% medical stones of removing heavy metals to be put into mixer by 50~70% to be well mixed;Biological organic fertilizer is obtained after the bio-fermentation agent added into mixture after 0.1~1% activation, compost maturity.5~10% msg meals are added into biological organic fertilizer, tiling aerobic fermentation is carried out after fully mixing, then tunning is dried, granulate, packed, is produced.Production cost of the present invention is low, is conducive to environmental protection, and obtained γ polyglutamic acids organic fertilizer nutrition is balanced, can purification soil, utilization rate of the crops for moisture and fertilizer is improved, and preparation technology is simple, safety and environmental protection, with good application prospect.
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