Preparation method of cane sugar-manganese complex
A technology of manganese complexing and sucrose, applied in the field of complexes, can solve the problem of high cost of use, and achieve the effects of improving production efficiency, good stability and good solubility
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Embodiment 1
[0034] The preparation method of sucrose manganese complex comprises the steps:
[0035]Step 1, 35 parts by weight of sucrose and 60 parts by weight of water are added to the reactor and mixed uniformly, 60 parts by weight of manganese sulfate are added, and aqueous sodium hydroxide solution is added to adjust the pH to 12 to obtain a reaction solution;
[0036] Step 2, heating the reaction kettle, keeping the temperature in the kettle at 75°C, and then adding 60 parts by weight of manganese sulfate for complexation reaction for 2 hours, stirring continuously during the reaction process, generating a sucrose manganese solution, cooling and filtering to separate, and obtaining filter residue and filtrate;
[0037] Step 3: According to the weight ratio of filtrate:75% ethanol aqueous solution=1:2, add 75% ethanol aqueous solution to carry out normal temperature precipitation, the precipitation time is 3 hours, the precipitate is subjected to centrifugal suction filtration, and th...
Embodiment 2
[0041] The preparation method of sucrose manganese complex comprises the steps:
[0042] Step 1, add 33 parts by weight of sucrose to the reactor, add 55 parts by weight of water to dissolve the sucrose, add aqueous sodium hydroxide solution to alkalinize, and adjust the pH of the solution to 11 to obtain a reaction solution;
[0043] Step 2, heating the reaction kettle, keeping the temperature in the kettle at 70°C, and then adding 58 parts by weight of manganese sulfate for complexation reaction for 1.5 hours, stirring continuously during the reaction process, generating sucrose manganese solution, cooling and filtering to separate, and obtaining filter residue and filtrate;
[0044] Step 3: According to the weight ratio of filtrate: 75% ethanol aqueous solution = 1:2, add 75% ethanol aqueous solution to carry out normal temperature precipitation, the precipitation time is 2 hours, the precipitate is subjected to centrifugal suction filtration, and the waste water obtained is...
Embodiment 3
[0048] The preparation method of sucrose manganese complex comprises the steps:
[0049] Step 1, add 35 parts by weight of sucrose to the reactor, add 60 parts by weight of water to dissolve the sucrose, add aqueous sodium hydroxide solution to alkalinize, and adjust the pH of the solution to 12 to obtain a reaction solution;
[0050] Step 2, heating the reaction kettle, keeping the temperature in the kettle at 75°C, and then adding 60 parts by weight of manganese sulfate for complexation reaction for 2 hours, stirring continuously during the reaction process, generating a sucrose manganese solution, cooling and filtering to separate, and obtaining filter residue and filtrate;
[0051] Step 3, take the filtrate obtained in step 2, according to the weight ratio of filtrate:75% ethanol aqueous solution=1:2, add 75% ethanol aqueous solution to carry out normal temperature precipitation, the precipitation time is 3 hours, the sediment is subjected to centrifugal suction filtration,...
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