8-aminoquinoline modified starch chelating agent and preparation method thereof
An aminoquinoline, chelating agent technology, applied in chemical instruments and methods, other chemical processes, water/sludge/sewage treatment, etc., to achieve low cost, good adsorption, and good treatment effect.
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Embodiment 1
[0022] Present embodiment formula and method are as follows:
[0023] 1. Take 100 parts of tapioca starch and disperse in water, then add 20 parts of sodium periodate, mix well, and react for 2 hours under dark conditions to fully oxidize the starch. Then, the product was washed 3 times with deionized water and 1 time with ethanol.
[0024] 2. Disperse the above product in an appropriate amount of water, add 30 parts of 8-aminoquinoline, adjust the pH of the system to 5 with acid, and react for 3 hours at a temperature of 60-65°C to obtain a crude product.
[0025] 3. After the reaction, take it out and cool it to room temperature, and grind it through a 100-mesh sieve.
[0026] 4. Wash 2 to 3 times with 70% ethanol solution, then put the product into an oven at 45°C to dry, pulverize, and set aside.
Embodiment 2
[0028] Present embodiment formula and method are as follows:
[0029] 1. Take 100 parts of tapioca starch and disperse in water, then add 20 parts of sodium periodate, mix well, and react for 3 hours under dark conditions to fully oxidize the starch. Then, the product was washed 3 times with deionized water and 1 time with ethanol.
[0030] 2. Disperse the above product in an appropriate amount of water, add 55 parts of 8-aminoquinoline, adjust the pH of the system to 5 with acid, and react for 4 hours at a temperature of 60-65°C to obtain a crude product.
[0031] 3. After the reaction, take it out and cool it to room temperature, and grind it through a 100-mesh sieve.
[0032] 4. Wash 2 to 3 times with 70% ethanol solution, then put the product into an oven at 45°C to dry, pulverize, and set aside.
Embodiment 3
[0034] Present embodiment formula and method are as follows:
[0035] 1. Take 100 parts of tapioca starch and disperse in water, then add 50 parts of sodium periodate, mix well, and react for 2 hours under dark conditions to fully oxidize the starch. Then, the product was washed 3 times with deionized water and 1 time with ethanol.
[0036] 2. Disperse the above product in an appropriate amount of water, add 55 parts of 8-aminoquinoline, adjust the pH of the system to 5 with acid, and react for 55 hours at a temperature of 60-65°C to obtain a crude product.
[0037] 3. After the reaction, take it out and cool it to room temperature, and grind it through a 100-mesh sieve.
[0038] 4. Wash 2 to 3 times with 70% ethanol solution, then put the product into an oven at 45°C to dry, pulverize, and set aside.
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