A sugar production process based on clarification of multiple co-production by membrane method

A multivariate and technological technology, applied in sugar crystallization, sugar products, sucrose production, etc., can solve the problems of low price, low added value, and single product, and achieve the effects of good product quality, increased added value, and high nutritional value

Active Publication Date: 2022-03-08
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, sugar cane sugar production mainly produces white granulated sugar, which is a single product with low added value; its by-product molasses is only sold as a raw material for the production of alcohol or yeast, and the price is low

Method used

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  • A sugar production process based on clarification of multiple co-production by membrane method
  • A sugar production process based on clarification of multiple co-production by membrane method
  • A sugar production process based on clarification of multiple co-production by membrane method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] A kind of sugar making process based on membrane method clarification multiple co-production, comprises the following steps:

[0049] A. Extracting sugarcane juice: using conventional five presses to squeeze sugarcane to obtain a Brix of 13-15 o Mixture of Bx;

[0050] B. Pre-ash: add sucrose calcium to the mixed juice, and adjust the pH value to 6.8-7.2.

[0051] C. Physical impurity removal: The pre-ashed mixed juice is passed through a drum sieve, a heating skimming device, and a microporous filter in sequence for physical impurity removal to obtain filtered clear juice.

[0052] D. Concentration for the first time: Use the MVR concentrator to concentrate the filtered clear juice to obtain a Brix of 18-20 o Bx's juice concentrate and sugarcane raw water.

[0053] E. Ceramic membrane filtration: filter the concentrated juice with a ceramic membrane with a membrane pore size of 20nm to obtain membrane filtrate and membrane filtrate concentrate with turbidity less th...

Embodiment 2

[0070] A sugar production process based on membrane method to clarify co-production sugarcane plant water, comprising the following steps:

[0071] A. Extracting sugarcane juice: using conventional five presses to squeeze sugarcane to obtain a Brix of 13-15 o Mixed juice of Bx.

[0072] B. Pre-ash: add sucrose calcium to the mixed juice, and adjust the pH value to 6.8-7.2.

[0073] C. Physical impurity removal: The pre-ashed mixed juice is passed through a drum sieve, a heating skimming device, and a microporous filter in sequence for physical impurity removal to obtain filtered clear juice.

[0074] D. Concentration for the first time: Use the MVR concentrator to concentrate the filtered clear juice to obtain a Brix of 18-20 o Bx's juice concentrate and sugarcane raw water.

[0075] E. Ceramic membrane filtration: filter the concentrated juice with a ceramic membrane with a membrane pore size of 50nm to obtain membrane filtrate and membrane filtrate concentrate with turbid...

Embodiment 3

[0093] A sugar production process based on membrane method to clarify co-production sugarcane plant water, comprising the following steps:

[0094]A. Extracting sugarcane juice: using conventional five presses to squeeze sugarcane to obtain a Brix of 13-15 o Mixed juice of Bx.

[0095] B. Pre-ash: add sucrose calcium to the mixed juice, and adjust the pH value to 6.8-7.2.

[0096] C. Pretreatment: The preashed mixed juice is passed through a drum sieve, a heating skimming device, and a microporous filter in order to physically remove impurities to obtain filtered clear juice.

[0097] D. Concentration for the first time: Use the MVR concentrator to concentrate the filtered clear juice to obtain a Brix of 18-20 o Bx's juice concentrate and sugarcane raw water.

[0098] E. Ceramic membrane filtration: filter the concentrated juice with a ceramic membrane with a membrane pore size of 100nm to obtain membrane filtrate and membrane filtrate concentrate with turbidity less than 1...

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Abstract

The invention discloses a sugar-making process based on membrane clarification and multiple co-production. After the mixed juice is physically removed, it is concentrated for the first time to 18-20 o Bx, the concentrated mixed juice is then physically clarified by a ceramic membrane, and the clear juice is concentrated for the second time to 55-65 o Syrup of Bx, white granulated sugar and low sucrose liquid sugar are produced according to the conventional white granulated sugar cooking process; sugarcane raw water obtained from the first and second concentration processes is filtered by activated carbon and reverse osmosis membrane to make sugarcane plant water; ceramic membrane filtration Finally, the concentrated liquid containing impurities is clarified by centrifugation and mixed with molasses to produce brown sugar. Based on the membrane clarification process without adding chemical additives, the high-value utilization of by-products can extend the product chain and increase economic benefits. The first concentration reduces the amount of mixed juice for subsequent membrane clarification, thereby reducing membrane clarification Investment in equipment reduces production costs and greatly improves the economic benefits of sugarcane sugar-making enterprises.

Description

technical field [0001] The invention relates to the technical field of sugar cane sugar production, in particular to a sugar production process based on membrane method clarification and multiple co-production. Background technique [0002] Sugarcane, (scientific name: Saccharum officinarum ) Saccharum, perennial tall solid herb. The rhizome is thick and well developed. Stems 3-6 meters high. Sugarcane is suitable for planting in places with fertile soil, sufficient sunlight, and large temperature differences between winter and summer. Sugar cane is a temperate and tropical crop that is used as a raw material for the manufacture of sugar and for ethanol as an energy substitute. Sugarcane is an important sugar crop in my country and the main source of sugar. Sugar is an important product related to the national economy and people's livelihood. Oil and petroleum are both national strategic materials. Sugarcane is also the economic crop with the largest planting area in Gu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C13B10/02C13B10/00C13B20/00C13B25/00C13B30/00C13B30/02C13B50/00
CPCC13B10/02C13B10/003C13B20/00C13B25/00C13B30/002C13B30/021C13B50/006
Inventor 李凯陆文德谢彩锋杭方学邓立高陆海勤潘莉莉李文周昊梁汉柱刘文青李明星
Owner GUANGXI UNIV
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