Liquid compound fertilizer for restoration of mining wasteland with municipal domestic sludge and preparation method thereof
A technology of urban domestic sludge and waste land, which is applied in the field of compound fertilizer, can solve problems such as foul odor, and achieve the effects of improving fertility, increasing survival rate, and reducing costs
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Embodiment 1
[0050] Weighing according to parts by weight: 180 grams of domestic sludge, 0.15 grams of ordinary calcium superphosphate, 0.1 grams of potassium nitrate, 0.15 grams of magnesium sulfate, 0.4 grams of ferrous sulfate, and 0.025 grams of boric acid.
[0051] Concrete preparation method comprises the following steps:
[0052] 1) Weigh 0.15 grams of ordinary calcium superphosphate, add to 40 milliliters of water and dissolve to obtain liquid A;
[0053] 2) Weigh 0.15 grams of magnesium sulfate, and add it to 40 milliliters of water to dissolve to obtain liquid B;
[0054] 3) Weigh 0.025 grams of boric acid, add 40 milliliters of water to dissolve, and obtain liquid C;
[0055] 4) Weigh 0.4 g of ferrous sulfate, add 40 ml of water to dissolve, and obtain liquid D;
[0056] 5) Prepare a 1-liter container, add 600 ml of water, and then pour 180 grams of domestic sludge into the container while stirring to form a mud-water mixture to obtain liquid E;
[0057] 6) Weigh 0.1 g of pot...
Embodiment 2
[0059] Weighing according to parts by weight: 220 grams of domestic sludge, 0.2 grams of ordinary calcium superphosphate, 0.2 grams of potassium nitrate, 0.2 grams of magnesium sulfate, 0.6 grams of ferrous sulfate, and 0.035 grams of boric acid.
[0060] Concrete preparation method comprises the following steps:
[0061] 1) Weigh 0.2 grams of ordinary calcium superphosphate, add to 40 milliliters of water and dissolve to obtain liquid A;
[0062] 2) Weigh 0.2 g of magnesium sulfate and add it to 40 ml of water to dissolve to obtain liquid B;
[0063] 3) Weigh 0.035 g of boric acid, add 40 ml of water to dissolve, and obtain liquid C;
[0064] 4) Weigh 0.6 g of ferrous sulfate, add 40 ml of water to dissolve, and obtain liquid D;
[0065] 5) Prepare a 1-liter container, add 600 ml of water, and then pour 220 grams of domestic sludge into the container while stirring to form a mud-water mixture to obtain liquid E;
[0066] 6) Weigh 0.2 g of potassium nitrate, add it directly...
Embodiment 3
[0068] Weigh according to parts by weight: 200 grams of domestic sludge, 0.18 grams of ordinary calcium superphosphate, 0.15 grams of potassium nitrate, 0.18 grams of magnesium sulfate, 0.5 grams of ferrous sulfate, and 0.030 grams of boric acid.
[0069] Concrete preparation method comprises the following steps:
[0070] 1) Weigh 0.18 grams of ordinary calcium superphosphate, add to 40 milliliters of water and dissolve to obtain liquid A;
[0071] 2) Weigh 0.18 grams of magnesium sulfate, and add it to 40 milliliters of water to dissolve to obtain liquid B;
[0072] 3) Weigh 0.030 g of boric acid, add 40 ml of water to dissolve, and obtain liquid C;
[0073] 4) Weigh 0.5 g of ferrous sulfate, add 40 ml of water to dissolve, and obtain liquid D;
[0074] 5) Prepare a 1-liter container, add 600 ml of water, and then pour 200 grams of domestic sludge into the container while stirring to form a mud-water mixture to obtain liquid E;
[0075] 6) Weigh 0.15 g of potassium nitrate...
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