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Novel high-temperature low-alkali method for refining castor oil

A technology of high-temperature light alkali and castor oil, which is applied in the fields of fat oil/fat refining, fat oil/fat production, fat production, etc., can solve the difficulty of refining process and other problems, and achieve the effects of increasing the scope of use, improving quality, and reducing the difficulty of processing

Inactive Publication Date: 2015-10-28
韩子迎
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  • Claims
  • Application Information

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Problems solved by technology

The above-mentioned characteristics of castor oil lead to the difficulty of its refining process, especially the extraction of high-quality castor oil, so it is necessary to propose improvements

Method used

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  • Novel high-temperature low-alkali method for refining castor oil
  • Novel high-temperature low-alkali method for refining castor oil
  • Novel high-temperature low-alkali method for refining castor oil

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Experimental program
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Embodiment Construction

[0027] A new method for refining castor oil with high-temperature light alkali, comprising the following steps:

[0028] 1) Pretreatment and pressing of castor beans:

[0029] Conveying: castor bean is a high oil content oil, its shell is brittle and easily broken, so it is conveyed by belt conveyor;

[0030] Cleaning: Castor beans have a smooth shell and good scattering properties. Use a suction vibrating flat screen with two layers of sieve plates. Due to the good cleaning effect of the suction flat sieve, the broken rate is low. Domestic castor bean dimensions are usually about 13mm, 8.5mm and 6mm. According to the above dimensions and the characteristics of fine impurities in castor bean in actual production, which have high viscosity and are easy to stick to the sieve, the diameter of the upper layer of the flat sieve is selected from φl4mm to φl6mm. , which is larger than the maximum value of castor bean dimensions l.5mm ~ 2mm, the diameter of the lower sieve is φ5mm ~...

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Abstract

The invention provides a novel high-temperature low-alkali method for refining castor oil. And the method employs a high temperature sparse soda solution method for neutralizing, and thereby increasing oil yield of refinement and improving quality of oil product; simultaneously, a low temperature decolouring technology is utilized, and activated clay and active carbon are used as decolouring additives, and thereby substantially improving quality of product oil, and widening application range of product oil. And the method provided by the invention has a high utility value.

Description

technical field [0001] The invention belongs to the technical field of castor oil refining, and in particular relates to a new method for refining castor oil with high-temperature light alkali. Background technique [0002] Castor oil is a kind of oil obtained by pressing and refining the mature seeds of castor plant of Euphorbiaceae plant. Castor oil contains about 85% ricinoleic acid, which is the only oil mainly composed of hydroxy acids. Compared with other vegetable oils, castor oil has the characteristics of high hydroxyl value and high acyl value. The main component of castor oil is triglyceride of higher fatty acids. The main component of castor oil fatty acid is ricinoleic acid, which accounts for the total fat The mass fraction is 89%, linoleic acid accounts for 4.2%, oleic acid accounts for 3.0%, stearic acid accounts for 1.0%, palmitic acid accounts for 1.0%, linolenic acid accounts for 0.3%, and dihydroxystearic acid accounts for 0.7%. Castor oil is a widely us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/06C11B3/06
Inventor 韩子迎
Owner 韩子迎