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Production method of sugar cane sulfur-free white granulated sugar

A production method and technology of white granulated sugar, which is applied in sucrose production, sugar production, sugar juice purification, etc., can solve the problems of difficult environmental pollution, unsatisfactory clarification and decolorization effects, and high color value of products that are difficult to meet the standards. Reduce the degree of conversion and Maillard reaction, clarify the decolorization effect, improve the stability and shelf life

Pending Publication Date: 2022-05-27
耿马南华华侨糖业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Carbonated sugar process uses lime, CO 2 As a clarifying agent, its strong alkaline clarification process can remove more non-sugar impurities, so carbonation white granulated sugar SO 2 The content and color value are both lower, and the storage performance is better, but the production cost is higher. At the same time, the problem of environmental pollution caused by the carbonic acid method of high-alkaline filter mud is difficult to solve, making it difficult to promote
At present, the technologies that can be applied industrially for the improvement of the sulfurous acid process are mainly low-sulfur technologies, which cannot be completely sulfur-free; there are also compound additives used to replace sulfur fumigation, but there are still problems in clarifying and decolorizing effects that are not ideal, and product discoloration. It is difficult to popularize due to problems such as high value and difficult to reach the standard, immature technology or expensive clarification additives

Method used

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  • Production method of sugar cane sulfur-free white granulated sugar

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Comparison scheme
Effect test

Embodiment 1

[0030] A production method of sugarcane sulfur-free white sugar, comprising the following steps:

[0031] Step 1. Press the cane juice pre-ash: the use of the prior art for sugarcane pressing and extraction to obtain the mixed juice, the mixed juice into the mixed juice box to add 22 ° Belime milk for pre-ash, the end of the pre-ash pH value of 6.8, to obtain the pre-ash juice. In the process of white sugar production, after the sugarcane is directly pressed to obtain the primary pressure juice, it is necessary to add dilute cane juice or osmotic water to the bagasse, and the sucrose in the bagasse is extracted as much as possible through repeated pressing, and the cane juice extracted many times is mixed together to obtain mixed cane juice, the industry is referred to as mixed juice.

[0032] Step 2. Main ash: The pre-ash juice is heated to 43-45 °C, and then pumped into the high tank of the mixed juice, and the 22 °Be lime milk is added to the pre-ash juice according to the rati...

Embodiment 2

[0041] A production method of sugarcane sulfur-free white sugar, comprising the following steps:

[0042] Step 1. Press the cane juice pre-ash: The mixed juice obtained by the sugarcane squeezing and extraction is sent into the mixing tank and 18 °Bel lime milk is added to the pre-ash to obtain the pre-ash juice, and the pH of the pre-ash end is 7.1.

[0043] Step 2. Main ash: The pre-ash juice is heated to 41-43 °C, and then pumped into the mixed juice high trough, and the 18 °Be lime milk is added to the pre-ash juice according to the ratio of 1.6mg / L cane juice, so that the pH of the pre-ash juice is gradually increased to 10.5-11.0 to obtain the main ash juice.

[0044] Step 3: One carbon filling: The main ash juice is sent into a carbon filling tank, according to 1050m 3 / h flow through 95% purity co 2 For satiety, the one-carbon satiety process continues to add lime milk, according to the process requirements of the full juice pH 9.3-9.7, manually adjust the flow of lime mil...

Embodiment 3

[0052] A production method of sugarcane sulfur-free white sugar, comprising the following steps:

[0053] Step 1. Press the cane juice pre-ash: the mixed cane juice obtained by the sugarcane squeezing and extraction is sent to the mixing tank with 24 ° Bel lime milk for pre-ashing to obtain the pre-ash juice, and the pH of the end of the pre-ash is 7.2.

[0054] Step 2. Main ash: The pre-ash juice is heated to 40-42 °C, and then pumped into the mixed juice high trough, and the 24 °Be lime milk is added to the pre-ash juice according to the ratio of 2.0mg / L cane juice, so that the pH of the pre-ash juice is gradually increased to 10.5-11.0 to obtain the main ash juice.

[0055] Step 3. One carbon fullness: The main ash juice is filled with one carbon, according to 500m 3 / h flow through 95% purity co 2 For satiety, the one-carbon satiety process continues to add lime milk, and the pH automatic control system is used to control the amount of lime milk added to maintain the pH in the...

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Abstract

The invention relates to a production method of sugar cane sulfur-free white granulated sugar, which comprises the following steps: carrying out preliming, primary liming, primary carbonation, secondary carbonation, full juice filtration, neutralization and clarification, floating syrup to remove impurities and color to obtain refined syrup, and boiling the refined syrup to prepare the sugar cane sulfur-free white granulated sugar. A two-carbon carbonation and syrup floating combined process is adopted, a stoving process of a traditional process is completely replaced, the clarification effect of cane juice is improved through a gradual liming process of preliming and main liming, the color value and turbidity index of the product are superior to those of a product prepared by a traditional sulfurous acid method and a carbonic acid method, the product is completely sulfur-free, and the product quality is high. The quality and the safety are obviously improved.

Description

Technical field [0001] The present invention relates to the field of sugar making technology, specifically to a sulfur-free white sugar production method. Background [0002] More than 90% of China's sugar mills use the sulfurous acid production process to produce white sugar, and less than 10% of the sugar mills use the carbonic acid method to produce white sugar. In order to reduce the color value of white sugar, the production process tends to increase the sulfur smoke strength, which inevitably makes white sugar so 2 The residue is on the high side. Sulfur dioxide will irritate the mucous membranes of the digestive tract, destroy the B vitamins, long-term intake will cause damage to the liver, the national food safety standards (GB 2760) stipulate that so in white sugar 2 It shall not be higher than 0.1g / kg, and the current international standard "Codex Alimentarius Standard Sugar" also clearly stipulates white sugar SO 2 ≤ 15 mg / kg, arable sugar SO 2 ≤ 70mg / kg, so for the be...

Claims

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Application Information

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IPC IPC(8): C13B20/00C13B20/02C13B20/06C13B20/16C13B25/00C13B30/00
CPCC13B20/00C13B20/06C13B20/16C13B20/02C13B20/005C13B25/00C13B30/007C13B30/00
Inventor 李杨发李如仙李祥徐东升杨建忠罗伟伟蓝富坤尹永祥袁世伟赵洪刚陈阳彭登喜林定平杨兴友
Owner 耿马南华华侨糖业有限公司
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