Red soil improving agent
A technology of improver and red soil, applied in the direction of soil conditioning materials, organic fertilizers, fertilizer mixtures, etc., can solve the problems of low production costs and achieve the effect of wide application prospects
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[0017] Example 1
[0018] The red soil amendment provided by the present invention, calculated by weight percentage, includes: 30%-40% red mud, 15%-25% sepiolite, 20%-30% straw biomass coke, 10%-15% Calcium hydroxide (slaked lime) and 10% to 15% of magnesium oxide (light burnt powder).
[0019] In the above embodiments, 20%-30% of biomass coke is produced by carbonizing 40-50% of crop straw (such as rice, millet or corn straw).
Example Embodiment
[0020] Example 2
[0021] The embodiment of the method for preparing the above red soil amendment includes the following steps:
[0022] Calculated based on the total weight of 100 kg of the modifier, 30 kg of natural air-dried industrial waste red mud that passed through a 1.5mm sieve, 20 kg of sepiolite, 50 kg of rice or corn stalks that were crushed and passed through a 1.5mm sieve Mix the materials evenly, add an appropriate amount of water until the water can be discharged when grasping by hand;
[0023] Place the water-added material in a cement tank and cover it (make it in a relatively airtight environment). After stacking it for 3 to 5 days, move it from the cement tank into the carbonization furnace, slowly heat it to 500-550°C and keep it for 100 minutes (to make crop straw Carbonized and fully reacted with mixed red mud, sepiolite and other substances), naturally cooled to room temperature;
[0024] Take out the material cooled to room temperature from the carbonization f...
Example Embodiment
[0025] Example 3
[0026] The embodiment of the method for preparing the above red soil amendment includes the following steps:
[0027] Calculated based on the total weight of the modifier prepared with a total weight of 100 kg, 40 kg of natural air-dried industrial waste red mud passed through a 2.0 mm sieve, 15 kg sepiolite, 45 kg of crushed rice or corn stalks passed through a 2.0 mm sieve Mix the materials evenly, add an appropriate amount of water until the water can be discharged when grasping by hand;
[0028] Place the water-added material in a cement tank and cover it (make it in a relatively airtight environment). After stacking it for 3 to 5 days, move it from the cement tank into the carbonization furnace, slowly heat it to 500-550°C and keep it for 2 hours (to make crop straw Carbonized and fully reacted with mixed red mud, sepiolite and other substances), naturally cooled to room temperature;
[0029] Take out the material cooled to room temperature from the carbonizat...
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