Method for treating human food waste by using stratiomyidae insects
A technology for water flies and food, applied in animal feed, animal feed, applications, etc., can solve the problems of environmental pollution, large land occupation, long time period, etc., and achieve eco-friendly, low production cost, and labor cost saving. Effect
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Embodiment 1
[0023] A method of utilizing Soldieridae insects to dispose of human food waste according to the present invention comprises the following steps:
[0024] (1) Take 180g of moist wheat bran (squeezed by hand without dripping water) and put it in a 300mL PVC container, and sprinkle 80-120g of freshly collected eggs of Hermetia or Ptecticus on the surface according to the treatment requirements , and then sprinkle 0.5cm thick dry wheat bran on the surface, and cultivate it for 7-9 days at 30° C. RH=60%, to obtain soldier fly larvae for treatment;
[0025] (2) Sorting the food waste, removing the inorganic impurities and then separating the solid from the liquid, keeping the water content at 55%-95%, and taking the solid waste for later use;
[0026] (3) Crush 1 ton of solid waste after solid-liquid separation to a particle size of less than 10 mm, and spread it in the breeding tank after sieving. The thickness of the solid waste laid on the bottom of the breeding tank is 15 cm, a...
Embodiment 2
[0032] The materials and preparation process are basically the same as in Example 1, except that 120 g of soldier fly larvae hatched from soldier fly eggs are inserted into the breeding tank for each ton of solid waste.
[0033] After testing, according to the method of this embodiment, 320kg of larvae can be obtained for every ton of pretreated kitchen waste, and 487kg of organic fertilizer (wherein 385kg of worm sand and 102kg of unprocessed kitchen waste).
Embodiment 3
[0035] The materials and preparation process are basically the same as those in Example 1, except that the solid waste with a thickness of 5 cm is tiled first in the culture tank, and then 80 g of soldier fly larvae hatched from soldier fly eggs are inserted into the culture tank, and the cultivated On the third and fourth days, 5 cm thick solid waste was added respectively.
[0036] After testing, according to the method of the present embodiment, 210kg of larvae can be obtained for every ton of pretreated kitchen waste, and 448kg of organic fertilizer (247kg of worm sand and 201kg of unprocessed kitchen waste).
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