Preparing method for slow-release fertilizer based on nutshell biomass carbon
A slow-release fertilizer and biochar technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems of residual pollution, expensive polymer coating materials, etc., and achieve the effect of resource utilization
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example 1
[0021] Weigh 10 kg of Eucommia leaves, dry them in the sun for 3 days, put them into a jet mill, pass through a 60-mesh steel sieve to obtain Eucommia leaf residue, put the Eucommia leaf residue into a fermenter, inoculate white rot fungus strains, and add quality Glucose solution with a concentration of 50% is used as nutrient solution, sealed and fermented at 28°C for 30 days, after the fermentation is completed, transfer the fermented product into an autoclave, raise the pressure in the pot to 100kPa, autoclave for 10min, and then transfer it to an oven at 105°C The ulmoides ulmoides leaf residue fertilizer rich in humic acid is obtained by drying under high pressure; take 1kg of walnut shells and put them into an ultrasonic cleaner for ultrasonic vibration cleaning for 10 minutes, the ultrasonic power is 100W, and the ultrasonic frequency is 25kHz, and the cleaned walnut shells are dried with a vacuum dryer , into a carbonization furnace at 300°C to carbonize walnut shell b...
example 2
[0024] Weigh 15kg of eucommia leaves, dry them in the sun for 4 days, put them into a jet mill, pass through a 65-mesh steel sieve to obtain eucommia leaf residues, put the eucommia leaf residues into a fermenter, inoculate white rot fungus strains, and add quality Glucose solution with a concentration of 50% is used as the nutrient solution, sealed and fermented at 33°C for 35 days, after the fermentation is completed, the fermented product is transferred to an autoclave, and the pressure inside the pot is increased to 103kPa, after autoclaving for 13 minutes, it is transferred to an oven at 108°C The ulmoides ulmoides leaf residue fertilizer rich in humic acid is obtained by drying under high pressure; take 1 kg of walnut shells and put them into an ultrasonic cleaner for ultrasonic vibration cleaning for 15 minutes, the ultrasonic power is 150W, and the ultrasonic frequency is 30kHz, and the cleaned walnut shells are dried with a vacuum dryer , placed in a carbonization furn...
example 3
[0027]Weigh 20kg of Eucommia leaves, dry them in the sun for 5 days, put them into a jet mill and pass them through a 70-mesh steel sieve to obtain Eucommia leaf residue, put the Eucommia leaf residue into a fermenter, inoculate white rot fungus strains, and add quality Glucose solution with a concentration of 50% is used as nutrient solution, sealed and fermented at 38°C for 40 days, after the fermentation is completed, transfer the fermented product into an autoclave, raise the pressure in the pot to 105kPa, autoclave for 15 minutes, and then transfer it to an oven at 110°C Dry the eucommia ulmoides leaves rich in humic acid fertilizer; take 2kg of walnut shells and put them into an ultrasonic cleaner for ultrasonic vibration cleaning for 20 minutes, the ultrasonic power is 200W, and the ultrasonic frequency is 35kHz, and the cleaned walnut shells are dried with a vacuum dryer , into a carbonization furnace at 700°C to carbonize walnut shell biochar, then crush the biochar in...
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