| 摘要 |
<p>Extracted sugar juice has a primary treatment including a pre-treatment, liming stage and at least two carbonating stages arrange in series. A secondary treatment takes 10 - 70 vol % of the pre-treated juice, coagulates it using an agent and a flocculating agent is used to produce a clear secondary juice. This juice is added to the inlet or outlet of the first carbonating stage. An Independent claim is included for a plant for operating as above. Preferred Features: Sediment from the carbonating stage and/or the decanting is recycled for primary treatment. The secondary juice is introduced upstream of a sulfating unit located between the first and second carbonation stages.</p> |
