Preparation method of sorghum straw kaolin composite material for adsorbing tin ions in electroplating wastewater
A technology of sorghum straw and composite materials, applied in the direction of adsorption water/sewage treatment, metallurgical wastewater treatment, chemical instruments and methods, etc., can solve problems such as hazards
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Embodiment 1
[0015] Harvest sorghum stalks, wash them with tap water, and dry them.
[0016] Dissolve ammonium acetate, ammonia water, 1,3-propylenediamine, and ethylene glycol in deionized water, the concentration of ammonium acetate is 6g / L, the concentration of ammonia water is 6g / L, and the concentration of 1,3-propylenediamine is 3g / L , the concentration of ethylene glycol is 3g / L, and the ammoniated solution is obtained.
[0017] Put 50 g of washed sorghum stalks in 500 mL of ammoniated solution, place at 60° C. for 90 minutes, rinse and dry to obtain ammoniated sorghum stalks.
[0018] Acrylic acid and peracetic acid are dissolved in deionized water, the mass concentration of acrylic acid is 30%, and the mass concentration of peracetic acid is 0.1%, to obtain acrylic acid / peracetic acid mixed aqueous solution.
[0019] Put 100g of kaolin in 2000mL of acrylic acid / peracetic acid mixed aqueous solution, stir for 1 hour, filter, dry at 100°C for 12 hours, cool, wash with deionized wat...
Embodiment 2
[0024] Harvest sorghum stalks, wash them with tap water, and dry them.
[0025] Dissolve ammonium acetate, ammonia water, 1,3-propylenediamine, and ethylene glycol in deionized water, the concentration of ammonium acetate is 4g / L, the concentration of ammonia water is 5g / L, and the concentration of 1,3-propylenediamine is 5g / L , the concentration of ethylene glycol is 2g / L, and the ammoniated solution is obtained.
[0026] Put 100 g of washed sorghum stalks in 500 mL of ammoniated solution, place at 60° C. for 90 minutes, rinse and dry to obtain ammoniated sorghum stalks.
[0027] Dissolve acrylic acid and peracetic acid in deionized water, the mass concentration of acrylic acid is 25%, and the mass concentration of peracetic acid is 0.2%, to obtain acrylic acid / peracetic acid mixed aqueous solution.
[0028] Put 100g of kaolin in 1000mL of acrylic acid / peracetic acid mixed aqueous solution, stir for 1 hour, filter, dry at 100°C for 4 hours, cool, wash with deionized water, a...
Embodiment 3
[0033] Harvest sorghum stalks, wash them with tap water, and dry them.
[0034] Dissolve ammonium acetate, ammonia water, 1,3-propylenediamine, and ethylene glycol in deionized water, the concentration of ammonium acetate is 5g / L, the concentration of ammonia water is 4g / L, and the concentration of 1,3-propylenediamine is 4g / L , the concentration of ethylene glycol is 3g / L, and the ammoniated solution is obtained.
[0035] Put 10 g of washed sorghum stalks in 500 mL of ammoniated solution, place at 60° C. for 90 minutes, rinse and dry to obtain ammoniated sorghum stalks.
[0036] Dissolve acrylic acid and peracetic acid in deionized water, the mass concentration of acrylic acid is 28%, and the mass concentration of peracetic acid is 0.3%, to obtain acrylic acid / peracetic acid mixed aqueous solution.
[0037] Put 100g of kaolin in 1500mL of acrylic acid / peracetic acid mixed aqueous solution, stir for 1 hour, filter, dry at 100°C for 5 hours, cool, wash with deionized water, and ...
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