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Production method of white granulated sugar

A production method, white granulated sugar technology, applied in the direction of using adsorbent purification, etc., to achieve the effect of reducing SO2 content

Active Publication Date: 2017-09-12
MIYI HUASENTY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the color value of white sugar and sulfur dioxide (SO 2 ) content exceeding the standard is the most common product quality problem in sulphite sugar factories

Method used

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  • Production method of white granulated sugar

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The method for producing white granulated sugar of the present invention includes the following steps: filtering the sugarcane juice to obtain clear juice, then mixing the clear juice and phosphoric acid in a juice mixing box, heating the mixed mixed juice to 78°C and adding the sub Sodium bisulfate and polydimethyldiallylammonium chloride; then pass into the first-stage reactor and add lime milk and calcium saccharification to fully mix, and then pass the syrup obtained by mixing in the first-stage reactor into Add chitosan and cationic acrylic amide to the secondary reactor and mix thoroughly, heat the syrup obtained by mixing in the secondary reactor to 95°C, and then pass it to the settler to settle, and the clear juice that passes through the settler is then obtained through the separation system Clear syrup, evaporate, crystallize, separate honey and cool and dry the clear syrup to obtain white granulated sugar.

[0026] The said separation system adopts an ultrafilt...

Embodiment 2

[0029] The method for producing white granulated sugar of the present invention includes the following steps: filtering the sugarcane juice to obtain clear juice, then mixing the clear juice and phosphoric acid in a juice mixing box, heating the mixed mixed juice to 75°C and adding the sub Sodium bisulfate and polydimethyldiallylammonium chloride; then pass into the first-stage reactor and add lime milk and calcium saccharification to fully mix, and then pass the syrup obtained by mixing in the first-stage reactor into Add chitosan and cationic acrylic acid amide to the secondary reactor and mix thoroughly. The syrup obtained by mixing in the secondary reactor is heated to 105°C, and then passed into the settler to settle, and the clear juice after passing through the settler is obtained through the separation system Clear syrup, evaporate, crystallize, separate honey and cool and dry the clear syrup to obtain white granulated sugar.

[0030] The said separation system adopts an ...

Embodiment 3

[0033] The method for producing white granulated sugar of the present invention includes the following steps: filtering the sugarcane juice to obtain clear juice, then mixing the clear juice and phosphoric acid in a juice mixing box, heating the mixed mixed juice to 80°C and adding the sub Sodium bisulfate and polydimethyldiallylammonium chloride; then pass into the first-stage reactor and add lime milk and calcium saccharification to fully mix, and then pass the syrup obtained by mixing in the first-stage reactor into Add chitosan and cationic acrylic acid amide to the secondary reactor and mix thoroughly. The syrup obtained by mixing in the secondary reactor is heated to 90°C, and then passed into the settler to settle, and the clear juice after passing through the settler is obtained through the separation system. Clear syrup, evaporate, crystallize, separate honey and cool and dry the clear syrup to obtain white granulated sugar.

[0034] The said separation system adopts an ...

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Abstract

The invention discloses a production method of white granulated sugar. The method comprises the following steps: filtering and separating sugarcane juice to obtain clear juice; then, mixing the clear juice with phosphoric acid in a juice mixing box, heating the mixed juice up to 75-80 DEG C, and adding sodium hydrogen sulfite and poly-dimethyl diallyl ammonium chloride into the heated mixed juice; filling a primary reactor with the obtained mixture, adding lime milk and glycated calcium into the primary reactor, and fully mixing; then, filling a secondary reactor with syrup obtained by mixing in the primary reactor, adding chitosan and cationic acrylamide into the secondary reactor, and fully mixing; heating the syrup obtained by mixing in the secondary reactor up to 90-105 DEG C; then, filling a precipitator with the heated syrup for precipitating; enabling the clear juice precipitated by the precipitator to pass through a separation system so as to obtain clear syrup; evaporating the clear syrup, crystallizing, carrying out honey separation, cooling and drying to obtain the white granulated sugar. The production method of the white granulated sugar effectively reduces the content of SO2 in the white granulated sugar and improves the cooling and drying effect of the white granulated sugar.

Description

Technical field [0001] The invention belongs to the technical field of white granulated sugar production, and specifically relates to a method for producing white granulated sugar. Background technique [0002] At present, the production of white granulated sugar mainly relies on sucrose as a raw material for production, and there are many processes for sugar cane production. The more commonly used methods are lime method, sulfurous acid method, sulfurous acid method + syrup floatation method and carbonic acid method. The principle of this method basically involves the process steps of extracting juice, cleaning, evaporation, crystallization, honey separation and drying. Among them, the production of white granulated sugar using the sulfurous acid method is the most commonly used production method in the production of white granulated sugar in my country. Because of the need to add SO during the production of white granulated sugar 2 Convert to CaSO 2 To form adsorption of impuri...

Claims

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Application Information

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IPC IPC(8): C13B20/12
CPCC13B20/12
Inventor 何迪黄庆才李权忠
Owner MIYI HUASENTY CO LTD
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