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Method for filtering and removing rubber from rubber seed oil by utilizing high-efficiency membrane

A rubber seed oil and high-efficiency membrane technology, applied in the direction of fat oil/fat refining, fat production, etc., can solve the problem of easy removal of other beneficial trace components, achieve thorough removal of polyisoprene, improve membrane efficiency, and filter efficiency high effect

Inactive Publication Date: 2015-04-29
XISHUANGBANNA HUAKUN BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to overcome the problems that chemical agents need to be introduced when removing polyisoprene components in the prior art, and other beneficial trace components are easily removed, the present invention provides a method for removing rubber by high-efficiency membrane filtration of rubber seed oil. means to specifically remove only trace amounts of polyisoprene in rubber seed oil to retain other beneficial components

Method used

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  • Method for filtering and removing rubber from rubber seed oil by utilizing high-efficiency membrane
  • Method for filtering and removing rubber from rubber seed oil by utilizing high-efficiency membrane

Examples

Experimental program
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Effect test

Embodiment 1

[0016] Heat 1kg of rubber seed crude oil to 30°C, then pass through a ceramic filter membrane with a pore size of 120nm at a pressure of 0.5MPa, and control the filtration rate to 5000kg / m 2 h; then heat the filtered rubber seed crude oil to 50°C, pass through a ceramic filter membrane with a pore size of 10nm at a pressure of 2MPa, and control the filtration rate to 400kg / m 2 h, the filtered rubber seed oil has been freed of polyisoprene.

[0017] No polyisoprene molecules were detected in the obtained rubber seed oil.

Embodiment 2

[0019] Heat 1kg of rubber seed crude oil to 20°C, then pass through a ceramic filter membrane with a pore size of 80nm at a pressure of 0.1MPa, and control the filtration rate to 3200kg / m 2 h; then heat the filtered rubber seed crude oil to 80°C, pass through a ceramic filter membrane with a pore size of 5nm at a pressure of 10MPa, and control the filtration rate to 2000kg / m 2 h, the filtered rubber seed oil has been freed of polyisoprene.

[0020] No polyisoprene molecules were detected in the obtained rubber seed oil.

Embodiment 3

[0022] Heat 1kg of rubber seed crude oil to 80°C, then pass through a ceramic filter membrane with a pore size of 200nm at a pressure of 10MPa, and control the filtration rate to 400kg / m 2 h; then heat the filtered rubber seed crude oil to 20°C, pass through a ceramic filter membrane with a pore size of 30nm at a pressure of 0.1MPa, and control the filtration rate to 5000kg / m 2 h, the filtered rubber seed oil has been freed of polyisoprene.

[0023] No polyisoprene molecules were detected in the obtained rubber seed oil.

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Abstract

The invention discloses a method for filtering and removing rubber from rubber seed oil by utilizing a high-efficiency membrane. The method comprises the following steps: heating rubber seed crude oil, applying pressure, enabling the heated rubber seed crude oil to pass through a ceramic filtration membrane with the aperture of 80-200 nm, heating the filtered rubber seed crude oil, applying the pressure, and enabling the heated rubber seed crude oil to pass through a ceramic filtration membrane with the aperture of 5-30 nm to obtain the filtered rubber seed oil which removes polyisoprene. According to the method for filtering and removing the rubber from the rubber seed oil by utilizing the high-efficiency membrane, a membrane filtering method for removing trace polyisoprene molecules in the rubber seed oil is pioneering and is a pure physical method which is completely different from the existing chemical method; two-stage filtering is utilized, so that the membrane efficiency is largely improved. The conventional idea that membrane filtration is hard to be applied to vegetable oil from the skilled persons in the art is broken; besides, by limiting two special apertures, the purposes of completely removing the polyisoprene and obtaining high filter efficiency are achieved, and the problems that chemical agents are necessarily imported and other beneficial trace elements are easy to remove in the prior art are solved.

Description

technical field [0001] The invention relates to a method for removing rubber by high-efficiency membrane filtration of rubber seed oil, and belongs to the technical field of vegetable oil removal and refining. Background technique [0002] Rubber seed oil is a vegetable oil extracted from the seeds of the rubber tree, which belongs to the precious tropical tree nut oil. Rubber seed oil does not contain any toxic ingredients, and its fatty acid composition is common fatty acids, mainly palmitic acid, stearic acid, oleic acid, linoleic acid and linolenic acid, accounting for more than 99.5% of its fatty acid composition, without any Special inedible fatty acids. The unsaturation (total unsaturated fatty acids) of rubber seed oil is as high as 83%, and it is especially rich in linolenic acid (omega-3 fatty acid), which is scarce in the diet of Chinese residents, with a content as high as 20%. Studies by many research institutions at home and abroad have shown that rubber seed...

Claims

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Application Information

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IPC IPC(8): C11B3/00
CPCC11B3/008
Inventor 朱义鑫王云赵金平
Owner XISHUANGBANNA HUAKUN BIOTECH CO LTD
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