Antibiotic soil modifier made by gulconic acid mother liquor and method for preparing same
A soil conditioner, the technology of Guronic Acid Mother, which is applied in the field of antibiotic soil improver produced by using Gulonic Acid Mother Liquor and its preparation, can solve problems such as unsatisfactory, labor-intensive, and cost-intensive, and achieve growth promotion, rich salt content, Significant economic benefits
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Embodiment 1
[0027] Collect 100 liters of gulonic acid mother liquor (weight 130-135 kg, of which short-chain organic acids account for 60-70%), place it in the pool, adjust the pH to 7.2 with 25 kg of slaked lime, add 3 kg of urea, and 1.0 kg of potassium dihydrogen phosphate. Zinc sulfate 0.2kg, air-dried at 35°C until the moisture content of the modifier is less than 20%, sieved through a 20-mesh sieve, granulated by a granulating machine, packed into preparations.
[0028] In the finished product obtained in this example, calcium salts of short-chain organic acids (including calcium formate, calcium oxalate, calcium propionate, calcium butyrate, calcium gulonate, etc.) are 80 kg, urea 3 kg, and potassium dihydrogen phosphate 1 kg , 0.2 kg of zinc sulfate.
[0029] In the gulonic acid mother liquor of this embodiment, the main components of short-chain organic acids in terms of weight percentage are as follows: gulonic acid 20%, formic acid 40%, oxalic acid 10%, propionic acid 15%, and buty...
Embodiment 2
[0031] The difference from Example 1 lies in:
[0032] Table 1
[0033]
serial number
(L)
Slaked lime
(kg)
Limestone
(kg)
pH
Urea, KH 2 PO 4 , ZnSO 4
(kg) (kg) (kg)
Drying temperature
(℃)
1
100
20
6.2
3.0 1.0 0.1
30
2
100
30
7.8
2.5 1.5 0.2
35
3
100
45
6.1
3.0 1.0 0.2
40
4
100
50
6.4
2.5 1.2 0.1
40
[0034] In the finished product No. 1 obtained in this example, the calcium salt of short-chain organic acid (including calcium formate, calcium oxalate, calcium propionate, calcium butyrate, calcium gulonate, etc.) 78 kg, urea 3 kg, potassium dihydrogen phosphate 1 kg, 0.1 kg of zinc sulfate. The short-chain organic acid comes from the mother liquor of gulonic acid. The main components of the short-chain organic aci...
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