Method for preparing organic fertilizer by mixed fermentation of water hyacinth and dewatered sludge
A technology of dewatering sludge and mixed fermentation, which is applied in the preparation of organic fertilizers, organic fertilizers, urea compound fertilizers, etc., can solve the problems of environmental pollution, mildew of sludge, occupation of large land resources, etc., and solve the problem of non-point source pollution. , beneficial to the restoration of the environment, and the effect of promoting water treatment
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[0031] The main raw materials are water hyacinth, dewatered sludge, microbial agent, rice bran or peanut shell, heavy metal deactivator, etc. Describe the processing process in detail according to the process flow:
[0032] After water hyacinth is squeezed, dehydrated and crushed, it is mixed with dewatered sludge, microbial agent, heavy metal deactivator, rice bran or peanut shell for fermentation and aging (secondary fermentation), and the decomposed clinker after fermentation and aging With a certain amount of humic acid and urea, it will be processed into commercial organic fertilizer.
[0033] (1) Dehydration of water hyacinth
[0034] Extrusion dehydration reduces the moisture content from 95% to about 50%.
[0035] (2) water hyacinth crushed
[0036] Due to the high water content of water hyacinth, a professional grinder must be used to avoid damage to the motor; the fineness is about 3cm, so it does not need to be too precise.
[0037] (3) Measuring ingredients
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