Desert soil remediation agent developed on basis of gasified filter residues
A technology of soil remediation agent and remediation agent, which is applied in the direction of soil conditioning materials, other chemical processes, chemical instruments and methods, etc., and can solve the problems that cannot meet the growing demand, the remediation agent is difficult to degrade, and the water retention rate of desert remediation agent does not increase. Large and other problems, to achieve excellent water absorption and water retention capacity, improve soil quality, excellent wind erosion resistance
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Embodiment 1
[0034] Add acrylic acid to ammonia water, and cool to room temperature after the reaction is completed; then add acrylamide, aminoethyl chitosan, and cross-linking agent, and stir until completely dissolved; add the initiator after heating the solution, and stir evenly; put it into React in an oven for 1 hour, then cut into pieces, dry and pulverize in sequence to prepare the water-absorbing agent.
[0035] Mix water-absorbing agent, gasification filter residue, bentonite, nutrients and organic fertilizer at a mixing speed of 10r / min for 2 hours, then granulate and shape in a granulator at 30°C, and then dry to obtain desert soil restoration agent, the drying temperature is 90°C, and the drying time is 8h. Its composition ratio is shown in Table 1-3.
Embodiment 2
[0037] Except that the granulation temperature is 80°C, the mixture is mixed for 2.5 hours at 12r / min, and dried at 97°C for 9h, the rest of the steps are the same as in Example 1.
Embodiment 3
[0039] Except that the granulation temperature was 100° C., the mixture was mixed for 3 hours at 15 r / min, and dried at 100° C. for 10 hours, the rest of the steps were the same as in Example 1.
[0040] Table 1 The mass ratio of the water-absorbing agent of Example 1-3
[0041]
[0042] The proportioning of organic fertilizer mass parts of table 2 embodiment 1-3
[0043]
[0044] The mass parts proportioning of table 3 embodiment 1-3
[0045]
[0046] Choose three desert soils with an area of 100 square meters, apply the remedial agent provided by embodiment 1-3 respectively, and choose another piece of soil without any treatment under the same environment as a comparative example, and its soil conditions are as shown in table 4 .
[0047] The soil situation of table 4 embodiment 1-3, comparative example
[0048]
[0049] It can be known from Table 4 that the desert soil remediation agent provided by the present invention can greatly increase the water retent...
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