Activated calcium magnesium phosphate fertilizer and preparation method thereof
A calcium-magnesium-phosphate fertilizer, activated calcium technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of acidity, high water solubility, etc., to improve crop quality, increase the utilization rate of phosphorus, obvious environmental benefits and economical benefits effect of benefit
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Embodiment 1
[0031] The production process of activated calcium magnesium phosphate fertilizer is as follows:
[0032] (1) Add acid lignin activator to the calcium magnesium phosphate fertilizer, the mass ratio of the amount added to the calcium magnesium phosphate fertilizer is 0.05:1, add an appropriate amount of water until the water content of the mixture is 15%, and grind in a grinder for about 0.5 hours;
[0033] (2) Pour out the slurry from the grinder and leave it for 3 hours;
[0034] (3) Drying under normal temperature conditions, the moisture content of the activated calcium magnesium phosphate fertilizer is 1.5%.
Embodiment 2
[0036] The production process of activated calcium magnesium phosphate fertilizer is produced by using calcium magnesium phosphate fertilizer that meets the national standard (GB20412-2006):
[0037] (1) Add furfural slag activator in calcium magnesium phosphate fertilizer, the mass ratio of addition and calcium magnesium phosphate fertilizer is 0.15: 1, add appropriate amount of water until the water content of mixture is 20%, grind about 1 hour in grinder;
[0038] (2) Pour out the slurry from the grinder and leave it for 5 hours;
[0039] (3) drying at 60° C., the moisture content of the activated calcium magnesium phosphate fertilizer is 0.5%.
Embodiment 3
[0041] The production process of activated calcium magnesium phosphate fertilizer is produced by using calcium magnesium phosphate fertilizer that meets the national standard (GB20412-2006):
[0042] (1) Add monosodium glutamate waste liquid activator to calcium magnesium phosphate fertilizer, the mass ratio of adding amount and calcium magnesium phosphate fertilizer is 0.15: 1, add appropriate amount of water until the water content of mixture is 30%, grind in grinder for about 1 hour;
[0043] (2) Pour out the slurry from the grinder and leave it for 1 hour;
[0044] (3) drying at 80° C., the moisture content of the activated calcium magnesium phosphate fertilizer is 0.3%.
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