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Decoloring method for heliangine lixiviation liquid

The technology of extracting liquid and Jerusalem artichoke is applied in the field of decolorization of the extracting liquid of Jerusalem artichoke, which can solve the problems of high capital cost and operation cost, and achieve the effects of simple control, full utilization of resources, and reduction of resin consumption.

Inactive Publication Date: 2008-07-16
ZHEJIANG UNIV
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Problems solved by technology

However, the capital and operating costs of these processes are high

Method used

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  • Decoloring method for heliangine lixiviation liquid

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Embodiment Construction

[0024] Most colorants show good selectivity for weak base anion resins. It is very simple and convenient to remove these components from the resin with lye (typically 4% NaOH). The weak base anion resin used in this process is phenolic resin Amberlite FPA54, which has good decolorization effect and strong resistance to organic pollution. But the washing process after regeneration consumes a lot of water. The water-replacing material consumes less water and is easy to wash. Therefore, according to the actual situation, the process provided by Beijing Topec Technology and Trade Co., Ltd. has been improved, the number of resin columns in the regeneration leaching area has been increased, and the number of resin columns for water replacement materials has been reduced. In order to facilitate operation and control, the material top water area adopts a single-entry mode. Since then, the decolorization process we adopted in the production of inulin is changed as shown in the accom...

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Abstract

A method for decoloring the liquid extracts of girasol features that its continuous ion exchanging system is composed of the simultaniously running 6 regions such as exchange-adsorption region, washing region after exchange, reverse washing region, regeneration region, leaching region and dewatering region. Its advantages are saving resin by 60% and NaOH by 50%, less consumption of water and less possessed ground area.

Description

technical field [0001] The invention relates to the field of food engineering, in particular to a method for decolorizing Jerusalem artichoke extract. Background technique [0002] Inulin is a non-digestible oligosaccharide that can be used as a fat substitute or as a sugar-free, low-calorie sweetener. Adding inulin can transform the food into a low-sugar, low-fat, high dietary fiber direction, while keeping the original flavor of the food unaffected as far as possible, which makes inulin easy to be accepted by consumers. And inulin is also great for health. Inulin helps control blood sugar levels, lowers the amount of cholesterol and promotes the absorption of minerals. The probiotic function of inulin has been confirmed by a large number of scientific experiments. In Europe, inulin and its related products have developed into a sizeable industry. China's inulin industry is a new industry. According to the actual situation in China, the plants currently used for inulin...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/2165A23L19/15
Inventor 郑晓冬魏凌云王建华
Owner ZHEJIANG UNIV
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