Clarifier

A clarifying agent and raw material technology, applied in the field of chemical water purifiers, can solve the problems of not meeting the needs of mass production, wasting condensed water, and low recovery rate

Inactive Publication Date: 2005-01-12
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process equipment requires a lot of investment, and the ethanol recovery speed is slow, which cannot meet the needs of mass production, and the recovery rate is lower than 80%. The production of one ton of pure powder consumes about 700 kg of 95% ethanol, which consumes a lot of energy and wastes a lot of condensed water. cause water waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Take 35% of aluminum sulfate, 15% of alum, 48.4% of calcium carbonate, 1% of sodium carboxymethylcellulose, 0.1% of sodium bisulfite, and 0.5% of ascorbic acid.

[0019] The preparation steps are:

[0020] 1. Take each material in the above clarifier by weight percentage.

[0021] 2. First put alum and aluminum sulfate into the conical mixing kettle, then put in sodium carboxymethylcellulose, sodium bisulfite, ascorbic acid, and finally put in calcium carbonate.

[0022] 3. Start the conical mixing tank and stir for 25 minutes to mix evenly to obtain the clarifying agent.

Embodiment 2

[0024] Take aluminum sulfate 33, alum 17, calcium carbonate 48.4, carmellose sodium 1, sodium bisulfite 0.1, ascorbic acid 0.5.

[0025] Preparation method: with embodiment 1

Embodiment 3

[0027] Take aluminum sulfate 30, alum 20, calcium carbonate 48.4, carboxymethylcellulose sodium 1, sodium bisulfite 0.1, ascorbic acid 0.5.

[0028] Preparation method: with embodiment 1

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PUM

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Abstract

A clarifying agent for depositing proten, starch and other impurities is prepared from aluminium sulfate, alum, calcium carbonate, caroxymethyl cellulose sodium, sodium hydrogen sulfite and VC.

Description

technical field [0001] The invention belongs to the field of chemical water purifying agents, and more specifically relates to a clarifying agent used in the production of konjac pure powder without steaming and recycling. Background technique [0002] In the production process of konjac mannan purified powder, it is necessary to use ethanol-containing aqueous solution to grind and elute impurities such as protein, starch and tannin in konjac powder to achieve the purpose of purifying konjac powder. It contains a large amount of insoluble and soluble matter such as protein, starch, tannin, etc., and cannot be used in the next batch of production. At present, ethanol is recovered by distillation in China, and then made into an aqueous solution for use. This process equipment requires a lot of investment, and the ethanol recovery speed is slow, which cannot meet the needs of mass production, and the recovery rate is lower than 80%. The production of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D21/01
Inventor 曹建军谢宏
Owner WUHAN UNIV
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