Sugar-juice syrup floating clarification process used in carbonation method

A technology of carbonation and syrup, which is applied in the purification of sugar juice, sucrose production, sugar production, etc. It can solve the problems of poor impurity removal and other problems, and achieve the effects of reducing honey making factors, improving product quality, and reducing material viscosity.

Inactive Publication Date: 2015-05-20
NANNING SUGAR INDUSTRY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For example [Patent No.] CN200910114022.X discloses "an improved process for clarification by carbonation of sugar juice". Lime and carbon dioxide are used as the main clarifiers, and the processes of heating, ashing, filling, filtering, and sulfur bleaching are adopted. Calcium-based sediment to remove various non-sugars, first add milk of lime or calcium hydroxide to the juice to be clarified to pH 10.8-11.8 to obtain lime juice; then use carbon dioxide gas for the first full filling to pH9.7- 11. Solid-liquid separation to obtain a clear juice; then use carbon dioxide gas for the second full filling to pH 7.8-8.4 to obtain a carbon dioxide juice, neutralize the carbon dioxide juice first, then heat and then filter to obtain a clarified juice, only using calcium carbonate as the The main sediment removes all kinds of non-sugar, and the impurity removal effect is not good
[0006] For example, [Patent No.] CN200910192052.2 discloses "a low-carbon and low-sulfur sugar juice clarification method". In this method, the sugar juice is first added with mil

Method used

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  • Sugar-juice syrup floating clarification process used in carbonation method
  • Sugar-juice syrup floating clarification process used in carbonation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] First prepare coarse syrup 1, then pump the coarse syrup to the syrup high level tank and mix it with red sand back-dissolving syrup. At the same time, check and analyze the contents of various indicators of the mixed syrup. The result is: Brix 61.36°Bx, sulfur content Amount of 315mg / kg, depending on the purity of 88.88%, pH 7.31, and directly heat the crude syrup to 75-85°C with waste steam in the high-level syrup tank, and foam at a ratio of 8%, while adding 300ppm of phosphoric acid and 8 ppm of calcium saccharification. First reaction, then add flocculant 10ppm to carry out secondary reaction, after fully mixing, sample and observe before the secondary reactor flows into the floater, most of the scum floats up quickly, clear, and there are a few small particles, which are floated and separated by the floater Inspection and analysis of various indicators of Fuqing syrup, the results are: Brix 61.00°Bx, sulfur content 238mg / kg, apparent purity 88.92%, pH value 6.73. ...

Embodiment 2

[0034] First prepare coarse syrup 1, then pump the coarse syrup to the syrup high level tank and mix it with the red sand back-dissolving syrup. At the same time, check and analyze the content of various indicators of the mixed syrup. The result is: Brix 65.27°Bx, sulfur content Amount of 383mg / kg, depending on the purity of 88.26%, pH value 7.02, and directly heat the crude syrup to 75-85°C with waste steam in the high-level syrup tank, and foam at a ratio of 8%, while adding 300ppm of phosphoric acid and 6 ppm of calcium saccharification. First reaction, then add flocculant 6ppm for the second reaction, after fully mixing, take samples before the secondary reactor flows into the buoyant, the floating speed is fast, it is foggy at first, it starts to be clear after 15 minutes, and it is all clear after 25 minutes, and the floating is relatively fast. In the late stage, it is relatively dense. After being floated and separated by the floater, various indicators of the floating ...

Embodiment 3

[0038] First prepare coarse syrup 1, then pump the coarse syrup to the syrup high level tank and mix it with the red sand back-dissolving syrup. At the same time, check and analyze the contents of various indicators of the mixed syrup. The result is: Brix 64.65°Bx, sulfur content Amount of 453mg / kg, depending on the purity of 89.12%, pH 6.93, and directly heat the crude syrup to 75-85°C with waste steam in the high-level syrup tank, and foam at a ratio of 8%, while adding 200ppm of phosphoric acid and 6 ppm of calcium saccharification. First reaction, then add flocculant 6ppm to carry out secondary reaction. After fully mixing, take samples before the secondary reactor flows into the floater. After flotation and separation by the buoyant device, various indicators of the floating clear syrup were inspected and analyzed, and the results were: Brix 63.42°Bx, sulfur content 271mg / kg, apparent purity 88.97%, pH value 6.68. The specific situation is as follows:

[0039] ...

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Abstract

The invention discloses sugar-juice syrup floating clarification process used in carbonation method. The sugar-juice syrup floating clarification process comprises two processes, namely, a preparation process of crude syrup and a preparation process of white granulated sugar, wherein the preparation process of crude syrup comprises ten steps, namely, primary heating, first carbonation, secondary heating, filtering and the like and the preparation process of white granulated sugar comprises five steps, namely, secondary sulfitation, sugar boiling, crystallizing, crystallization promoting and honey separation. Since the syrup floating impurity removal process added in the traditional sugar production process by virtue of the carbonation method, high-quality materials are provided for material boiling in each section of the subsequent sugar boiling so that the product quality is improved, brown granulated sugar remelt syrup can be treated at a certain ratio, the colloid and impurities in the remelt syrup can be effectively removed, the honey production factors are decreased and thus the viscosity of the material is reduced and the boiling of various sugar pastes and sugar recovery are facilitated.

Description

technical field [0001] The invention relates to the technical field of sugar juice syrup clarification. Background technique [0002] White sugar is processed from plants such as sugar cane or sugar beet. It is the main product of sugar factories. Its main component is sucrose, which is an important daily condiment and widely used in food processing, beverages, pharmaceuticals and other industries. The traditional and mature processing methods for producing white sugar in my country mainly include carbonic acid method and sulfurous acid method. Compared with carbonic acid method and sulfurous acid method, the process equipment is more complicated, the amount of detergent is more, the energy consumption is higher, and the cost is higher. There are many non-sugar impurities, the recovery rate of cooking is high, the quality of white granulated sugar is good, the color will not increase after long-term storage, and the residual sulfur dioxide content is high. The process of tra...

Claims

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Application Information

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IPC IPC(8): C13B20/00
CPCC13B20/005
Inventor 周日交肖凌方焕明梁洪云梁家技陆翠华黄东黄喜新李茂松
Owner NANNING SUGAR INDUSTRY CO LTD
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