Mineralization synthesis method for nano sulfate
A technology of nano-calcium sulfate and sulfate, applied in chemical instruments and methods, calcium/strontium/barium sulfate, nanotechnology, etc., can solve problems such as human health threats and environmental pollution, and achieve high practical value, environmental friendliness, fast breeding effect
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[0029] Example 1
[0030] Take 10 grams of sodium thiosulfate, 1.2 grams of disodium hydrogen phosphate, 1.8 grams of potassium dihydrogen phosphate, 0.1 grams of magnesium sulfate heptahydrate, 0.1 grams of ammonium sulfate, 0.02 grams of ferric chloride, and 0.02 grams of manganese sulfate in 1000 milliliters of deionized Prepare a solution in water; divide the solution into 5 conical flasks and seal them; put the conical flask in a sterilization pot, sterilize at 121°C for 100 minutes, and cool to room temperature. Aseptically, each bottle is connected to 5 ml of Thiobacillus thiobacillus third generation, cultured in a constant temperature shaker at 170 rpm and 30°C for 6-8 days, and taken out; 30 ppm of hydrogen sulfide gas is introduced into each triangular flask for half the time Hours, let stand for 12-24 hours; filter to obtain filtrate. Take 10 grams of CaCl 2 ·2H 2 O, added to the filtrate for reaction to produce a large amount of white precipitate, filtered and dried...
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[0031] Example 2
[0032] Take 8 grams of sodium thiosulfate, 1.1 grams of disodium hydrogen phosphate, 1.5 grams of potassium dihydrogen phosphate, 0.2 grams of magnesium sulfate heptahydrate, 0.05 grams of ammonium sulfate, 0.01 grams of ferric chloride, and 0.01 grams of manganese sulfate dissolved in 1000 milliliters of deionized Prepare the solution in water; divide the solution into 5 conical flasks and seal them; put the conical flask in the sterilization pot, sterilize at 121°C for 100 minutes, and cool to the room. Aseptically, each bottle is connected to 5 ml of Thiobacillus thiobacillus third generation, cultured in a constant temperature shaker at 170 rpm and 30°C for 6-8 days, and taken out; 30 ppm of hydrogen sulfide gas is introduced into each triangular flask for half the time Hours, let stand for 12-24 hours; filter to obtain filtrate. Take 10 grams of CaCl 2 ·2H 2 O, added to the filtrate for reaction to produce a large amount of white precipitate, filtered and...
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[0033] Example 3
[0034] Take 11 grams of sodium thiosulfate, 1.3 grams of disodium hydrogen phosphate, 2.0 grams of potassium dihydrogen phosphate, 0.3 grams of magnesium sulfate heptahydrate, 0.2 grams of ammonium sulfate, 0.03 grams of ferric chloride, and 0.03 grams of manganese sulfate in 1000 milliliters of deionized Prepare the solution in water; divide the solution into 5 conical flasks and seal them; put the conical flask in the sterilization pot, sterilize at 121°C for 100 minutes, and cool to the room. Aseptically, each bottle is connected to 5 ml of Thiobacillus thiobacillus third generation, cultured in a constant temperature shaker at 170 rpm and 30°C for 6-8 days, and taken out; 30 ppm of hydrogen sulfide gas is introduced into each triangular flask for half the time Hours, let stand for 12-24 hours; filter to obtain filtrate. Take 10 grams of CaCl 2 ·2H 2 O, added to the filtrate for reaction to produce a large amount of white precipitate, filtered and dried to ...
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