One-step method for producing dephenolized cotton protein

A cotton protein and dephenolization technology, which is applied in vegetable protein processing, fat production, fat oil/fat refining, etc., can solve the problems of many equipment, high solvent consumption, and high operating cost, and achieves the goal of using less equipment, short process route, The effect of low production cost

Inactive Publication Date: 2006-05-24
陕西中恒粮油工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing process is to carry out the two step by step, that is, first extract the grease with 6# solvent in one equipment, and then enter the next equipment to extract gossypol with methanol; the main disadvantage of this process is The process route is long, many equipments are used, the operating cost is high, and the solvent consumption is high

Method used

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  • One-step method for producing dephenolized cotton protein
  • One-step method for producing dephenolized cotton protein
  • One-step method for producing dephenolized cotton protein

Examples

Experimental program
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Embodiment Construction

[0027] The present invention adds 6# solvent and methanol two kinds of solvents simultaneously in the extractor of cottonseed kernel, and mixes two kinds of solvents by mixer; The phenol is leached and extracted, and after the solvent is repeatedly circulated, all the oil and gossypol in the cottonseed are finally extracted.

[0028] After the cottonseed kernel is extracted by solvent, the amount of oil and gossypol contained is already very low, and it is dephenolized cotton protein after drying.

[0029] The mixed solvent containing oil and gossypol is cooled to 25°C and enters the 1# phase separator for phase separation. The solvent containing oil is the light phase and is discharged from the top; the solvent containing gossypol is the heavy phase and is discharged from the bottom.

[0030] The light phase solvent can be recovered to obtain cottonseed oil; the heavy phase phenolic solvent and the solvent gas condensate discharged from the dryer enter the 2# phase separator ...

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Abstract

The present invention relates to the field of feed and oil processing technology, in particular, it relates to an one-step method for producing dephenolized cotton protein. It is characterized by that said invention fully utilizes the characteristics of 6# solvent and methyl alcohol mixed solvent, and utilizes the mutual incompatibility of polar solvent and non-polar solvent and simultaneously uses two solvents in one equipment so as to attain the goal of simultaneously extracting gossypol and oil, and can recover 6# solvent, methyl alcohol and oil.

Description

Technical field: [0001] The invention relates to the field of feed and oil processing, in particular to a method for producing dephenolized cotton protein in one step. Background technique: [0002] Gossypol is a poisonous substance. Gossypol-containing cotton protein is used to make feed, and livestock will be poisoned after eating it; the production of gossypol cotton protein is carried out at the same time as the production of cottonseed oil, that is, cottonseed can also be used in the production of cotton protein The oil in it is also extracted. The existing process is to carry out the two step by step, that is, first extract the grease with 6# solvent in one equipment, and then enter the next equipment to extract gossypol with methanol; the main disadvantage of this process is The process route is long, many equipments are used, the operation cost is high, and the solvent consumption is high. Invention content: [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J3/14A23L11/30C11B3/02
Inventor 曹建琦
Owner 陕西中恒粮油工程技术有限公司
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