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Process for purifying sugar cane clear juice with membrane

A technology of sugarcane juice clearing and processing, which is applied in the field of sugarcane sugar making technology, can solve the problems of low membrane flux, easy pollution of the membrane, and reduce the initial flux of the membrane, so as to achieve the effect of increasing the initial flux and prolonging the life

Inactive Publication Date: 2006-03-01
叶丽娜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sugar cane juice contains a lot of colloids in the above-mentioned sugar making process, these colloids make the membrane easy to be polluted, the membrane flux is very low, and the initial flux of the membrane is reduced

Method used

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  • Process for purifying sugar cane clear juice with membrane

Examples

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Embodiment 1

[0017] The ratio of enzyme to sugarcane clear juice is 2×10 -5 , Mix in a mixer for 10-20 minutes, and filter with a membrane filter to obtain high-quality sugarcane juice. The initial flux of the membrane reaches more than 90% of the filtered water flux.

Embodiment 2

[0019] The ratio of enzyme to sugarcane clear juice is 1×10 -4 , Mix in a mixer for 10-20 minutes, and filter with a membrane filter to obtain high-quality sugarcane juice. The initial flux of the membrane reaches more than 90% of the filtered water flux.

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Abstract

This invention discloses a method of cleaning sugarcane liquor with membrane.The method is adding intermediate temperature amylase before sugarcane liquor filtering with membrane. The rate of amylase to sugarcane liquor is 2x0.00001-1x0.0001. After adding amylase, it is mixed about 10-20min.

Description

Technical field [0001] The invention relates to a process for purifying sugarcane juice by using a membrane, which is particularly suitable for the sugarcane sugar production process. Background technique [0002] At present, the well-known process for cleaning sugarcane juice with membrane is: sugarcane squeezing→mixed juice box (pre-ash and phosphoric acid)→first heating (75~80℃)→neutralizing juice box (adding phosphorus, SO 2 )→Second heating (100~105℃)→Sedimentation tank→Clear juice→Membrane filtration. The sugar cane juice contains a lot of colloids in the sugar cane juice. These colloids make the membrane easy to be polluted, the membrane flux is very low, and the initial flux of the membrane is reduced. Summary of the invention [0003] In order to overcome the shortcomings of the known technology for cleaning sugarcane juice with membranes, the present invention provides a new type of technology. The sugarcane juice from the sedimentation tank is mixed with enzymes and t...

Claims

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Application Information

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IPC IPC(8): C13D3/16C13B20/16
Inventor 叶丽娜
Owner 叶丽娜