Sugar juice decoloring agent and sugar juice purification decoloring method
A technology of decolorizing agent and sugar juice, applied in the direction of using adsorbent purification, etc., can solve problems such as unseen
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Embodiment 1
[0021] Embodiment 1: a kind of syrup decolorizing agent, it is prepared by following method:
[0022] (1) Pre-lime the brown sugar back-dissolving syrup (10°Bx) with milk of lime (10°Bé) to pH=6.80, heat the brown sugar re-dissolving syrup to 65°C in a constant temperature magnetic stirrer, and then add phosphoric acid ( 210 mg / kgBx, that is, the content of phosphoric acid in the red granulated sugar redissolving syrup is 210ppm per hammer), adjusted to neutrality with calcium hydroxide, heated to 100°C for the second time after stirring for 5 minutes, and added polyacrylamide (2 mg / kg , that is, add 2 mg of polyacrylamide to 1 kg of brown sugar redissolving syrup) flocculation and sedimentation, after standing for cooling for 30 minutes, recover the flocs to obtain calcium phosphate flocculation sediments;
[0023] (2) Calcium phosphate flocculation sediments were burned at a high temperature of 550°C for 3 hours, and the organic matter wrapped and adsorbed in the flocs was b...
Embodiment 2
[0024] Embodiment 2: A kind of method for the quiet decolorization of sugar juice, get the red granulated sugar redissolving syrup 100mL of 6.00 ° of Bx, add the macroporous calcium phosphate sugar juice decoloring agent that 0.2g embodiment 1 prepares, then adjust the pH value to 6.0 , reacted for 30 minutes at a temperature of 80°C, and the decolorization rate of macroporous calcium phosphate to sugar juice reached 38.15%.
Embodiment 3
[0025] Embodiment 3: A kind of method for the quiet decolorization of sugar juice, get the red granulated sugar redissolving syrup 100 mL of 6.00 ° of Bx, add the macroporous calcium phosphate sugar juice decoloring agent that 0.2g embodiment 1 prepares, then adjust the pH value to 5.0 , reacted for 30 minutes at a temperature of 80°C, and the decolorization rate of macroporous calcium phosphate to sugar juice reached 37.36%.
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