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Method for making sugar from sugar-cane by membrane separation

A technology of membrane separation and membrane separation system, which is applied in the field of sugar cane sugar production, can solve the problems of low syrup clarity, complex process, poor economic effect, etc., and achieve the effects of reduced chroma, good social benefits, and increased yield

Inactive Publication Date: 2003-10-29
凯能高科技工程(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for sugar cane sugar production using membrane separation technology to solve the problems in the prior art, such as complex technological process, low production efficiency, low yield of sugar, low clarity of syrup, and environmental pollution. Heavy, poor economic effect and other issues

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Accurately measure 153 liters of sucrose mixed juice and add it to the membrane separation system. The operation is carried out at an operating pressure of 0.4 MPa and an operating temperature of 50 degrees Celsius; the total sugar yield is 99%, and highly clarified syrupy clear juice is obtained, and then, further undergoes cooking technology , forming high-quality sucrose products.

Embodiment 2

[0014] Accurately measure 153 liters of sucrose mixed juice and add it to the membrane separation system. The operation is carried out at an operating pressure of 0.1 MPa and an operating temperature of 95 degrees Celsius; the total sugar yield is 99%, and highly clarified syrup clear juice is obtained, and then, further undergoes cooking technology , forming high-quality sucrose products.

Embodiment 3

[0016] Accurately measure 153 liters of sucrose mixed juice and add it to the membrane separation system. The operation is carried out at an operating pressure of 1.5 MPa and an operating temperature of 10 degrees Celsius; the total sugar yield is 99%, and highly clarified syrup clear juice is obtained, and then, further undergoes cooking technology , forming high-quality sucrose products.

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Abstract

A process for preparing sugar from cane by membrane separation technique is characterized by that after the cane juice is obtained, the microfilter (or ultrafilter) membrane system is used to remove impurities, gum and pigment from the cane juice. Its advantages are high purity, high output rate of sugar, and less environmental pollution.

Description

technical field [0001] The invention relates to a method for producing sugar from sugarcane, in particular to a method for producing sugar from sugarcane by using membrane separation technology. Background technique [0002] Existing sugarcane sugar production technology includes sugarcane pretreatment, juice extraction, cane juice clarification, cooking and other technologies, especially in the clarification section of cane juice, in order to obtain clarified syrup clear juice, it is necessary to add a large amount of Lime and sulfur dioxide (sulfurous acid production process), or adding lime and carbonic acid gas (carbonic acid production process), in this way, a large amount of wastewater and solid waste will be generated in the sugar refining technology, and the resulting filter mud contains a large amount of carbonic acid Calcium is difficult to effectively reuse, the process is complicated, the overall production efficiency is low, the sugar yield is low, the clarity o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13B20/16
Inventor 林爱莲葛文越
Owner 凯能高科技工程(上海)有限公司
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