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Method for clarifying clear juice from saccharose refinery by using high gradient magnetic separation technology

A high-gradient magnetic separation and sugarcane juice clearing technology, which is applied in the purification of sugar juice, sucrose production, sugar production, etc., can solve problems that have not been reported before

Inactive Publication Date: 2014-05-28
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High-gradient magnetic separation technology can be applied in the fields of industrial flue gas dust removal and wastewater treatment. When applied to wastewater treatment, "magnetic seeds" and coagulants must be added first to enhance the ability to adsorb impurities. However, using magnetic separation technology to clarify There is no report on clear juice

Method used

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  • Method for clarifying clear juice from saccharose refinery by using high gradient magnetic separation technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Take 150mL of each clear juice sample for testing, add 0.1g of magnetic ferric oxide powder at room temperature, stir for 5min at a mixer speed of 100rpm, keep warm for 5min at a temperature of 90°C in a constant temperature water bath, and use a peristaltic pump to increase the flow rate of the juice Pass through a magnetic field with a magnetic field strength of 1.5T while it is hot at 75mL / min, filter and magnetize the clear juice to remove the magnetic powder adsorbed with impurities, and take a sample of the filtered juice for analysis and detection. The purity difference between the test results and the original juice blank control group is 0.64, The color value index is reduced by 15.56%.

Embodiment 2

[0024] Take 150mL of each clear juice sample for the test, add 0.1g of magnetic ferric oxide powder at room temperature, stir for 3min at the speed of the mixer at 200rpm, keep warm for 5min at a temperature of 60°C in a constant temperature water bath, and use a peristaltic pump to increase the flow rate of the juice Pass through a magnetic field with a magnetic field strength of 1.0T while it is hot at 150mL / min, filter and magnetize the clear juice to remove the magnetic powder adsorbed with impurities, take the filtered juice sample for analysis and detection, and the purity difference of the test result compared with the original juice blank control group is 0.67, The color value index is reduced by 9.46%.

Embodiment 3

[0026] Take 150mL of each clear juice sample for testing, add 0.2g of magnetic ferric oxide powder at room temperature, stir for 1min at a mixer speed of 300rpm, keep warm for 3min at a temperature of 90°C in a constant temperature water bath, and use a peristaltic pump to increase the flow rate of the juice. Pass through a magnetic field with a magnetic field strength of 1.0T while it is hot at 75mL / min, filter and magnetize the clear juice to remove the magnetic powder adsorbed with impurities, take the filtered juice sample for analysis and detection, and the purity difference of the test result compared with the original juice blank control group is 0.56, The color value index is reduced by 8.67%.

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Abstract

A method for clarifying clear juice from a saccharose refinery by using a high gradient magnetic separation technology comprises steps of: adding ferriferrous oxide magnetic powder into a sugarcane clear juice; stirring with a uniform speed; insulating for 3-5 min at 60-90 DEG C; introducing the clear juice through a magnetic field with a magnetic field intensity of 0.5-1.5 T; sending the material liquid through a magnetic powder separator rapidly; and collecting the treated material liquid. Based on a physical clarification technology of magnetic separation for separating and clarifying impurities, the invention provides a physical clarification technology for secondary clarification in saccharose manufacture. The technology does not require addition of chemical clarifier and has obvious separating effect; and the clear juice and subsequent syrup thereof have god thermal stability. Test results show that the technology can be used for clarification and impurity removal of syrup, and the equipment has small land occupation and saves energy. Therefore, the method can reduce production cost of an enterprise and has promising development prospect in sugar manufacture industry.

Description

technical field [0001] The invention belongs to a method for clarifying clear juice of a sugarcane sugar factory by using high-gradient magnetic separation technology. Background technique [0002] Cane juice extracted from sugarcane has very complex components, in which besides a large amount of sucrose, there are various inorganic and organic non-sugar impurities. The content and types of these non-sugars vary with the variety of sugarcane, farming methods, climate, soil and other conditions and the conditions of pressing and extracting juice. Generally speaking, the existence of these non-sugars will ultimately affect the extraction of sucrose and the quality of the product. Therefore, the task of the clarification section of the sugarcane sugar factory is to purify and clarify the cane juice from the pressing section. The purpose of the clarification is to remove non-sugar, improve the purity of the sugar juice, and strive to reduce the color value and viscosity, so as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C13B20/00
Inventor 孙卫东张娟李军委朱蓉艳牛丽谢伟倪小智唐艳琼
Owner GUANGXI UNIV