Method for preparing sand land treatment agent based on coal slime and application
A technology of treatment agent and coal slime, applied in the field of agricultural application, can solve the problems of high cost, complex preparation process of sand control agent, small scope of application, etc., and achieve the effects of low input cost, small soil damage and environmental friendliness.
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Embodiment 1
[0024] Such as figure 1 As shown, 1) add 10kg potassium hydroxide and 20kg urea to 100kg coal slime, and react for 3h at 60°C to obtain the first treatment liquid;
[0025] 2) Add 200kg of water to the first treatment solution, and stir for 3 hours to obtain the second treatment solution;
[0026] 3) Add 4 kg of ammonium dihydrogen phosphate to the second treatment solution, stir at 55°C for 1 hour, and wait until the mixture is uniform to obtain the third treatment solution;
[0027] 4) The third treatment liquid is filtered, and the filtration is to utilize a 30-purpose filter screen to filter, and the filtrate is the prepared coal mud sand control agent;
[0028] 5) Evenly applying the prepared coal slime and sand control agent to the surface of the sand can play a role in sand control.
Embodiment 2
[0030] 1) Add 10kg of potassium hydroxide and 40kg of urea to 100kg of coal slime, and react at 20°C for 5 hours to obtain the first treatment liquid;
[0031] 2) Add 200kg of water to the first treatment solution and stir for 4 hours to obtain the second treatment solution;
[0032] 3) Add 4 kg of ammonium dihydrogen phosphate to the second treatment solution, stir at 20°C for 1.5 hours, and wait until the mixture is uniform to obtain the third treatment solution;
[0033] 4) The third treatment liquid is filtered, and the filtration is to utilize a 20-mesh filter screen to filter, and the filtrate is the prepared coal mud sand control agent;
[0034] 5) Evenly applying the prepared coal slime and sand control agent to the surface of the sand can play a role in sand control.
Embodiment 3
[0036] 1) Add 4kg of potassium hydroxide and 30kg of urea to 100kg of coal slime, and react at 10°C for 6 hours to obtain the first treatment liquid;
[0037] 2) Add 200kg of water to the first treatment solution and stir for 5 hours to obtain the second treatment solution;
[0038] 3) Add 10 kg of ammonium dihydrogen phosphate to the second treatment solution, stir at 40°C for 1.8 hours, and wait until the mixture is uniform to obtain the third treatment solution;
[0039] 4) The third treatment liquid is filtered, and the filtration is to utilize a 40-purpose filter screen to filter, and the filtrate is the prepared coal mud sand control agent;
[0040] 5) Evenly applying the prepared coal slime and sand control agent to the surface of the sand can play a role in sand control.
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