Novel process for refining oil-tea camellia seed crude oil

Camellia oleifera seed crude oil, a new process technology, applied in the direction of fat oil/fat refining, fat production, etc., can solve the problems that product quality cannot be effectively improved, soluble impurities cannot be effectively removed, and the production cost of camellia oleifera seed oil is high. Effect of degumming and production efficiency, increase of by-product income, and effect of reducing side reactions

Active Publication Date: 2010-06-16
HUNAN XINJINHAO TEA OIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the inherent particularity of Camellia oleifera seed oil, conventional refining methods cannot effectively remove soluble impurities; in addition, the capacity of existing refining equipment is relatively low, and the overall equipment is relatively backward, so the production cost of refining Camellia oleifera seed oil using conventional methods is relatively high , the oil yield is low, and the product quality has not been effectively improved

Method used

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  • Novel process for refining oil-tea camellia seed crude oil

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Effect test

Embodiment 1

[0021] The specific technological process of the present embodiment is as follows:

[0022] First, the crude camellia seed oil to be refined is filtered to remove impurities, so that the quality of the crude camellia seed oil after removal of impurities is: acid value 3.5, phospholipid content 1.05%, moisture 0.2%, and impurities 0.18%.

[0023] Second, add 85% phosphoric acid accounting for 0.12% of the total weight of camellia seed crude oil to the crude camellia seed oil after impurity removal, and enter the acid reaction tank after being mixed by a knife mixer, and the reaction time is 80 minutes;

[0024] Third, heat the crude camellia seed oil after the acid reaction to 50°C, then add 15Be of NaOH solution and centrifugally mix it (the amount of alkali added is calculated according to the formula: 1×0.713×Q / 1000, Q is the flow rate of the crude camellia seed oil T / h.), after fully mixing, stir slowly, and carry out low-temperature alkali refining reaction time after 20m...

Embodiment 2

[0030] The specific technological process of the present embodiment is as follows:

[0031] First, the crude camellia seed oil to be refined is filtered to remove impurities, so that the quality of the crude camellia seed oil after removal of impurities is: acid value 3.5, phospholipid content 1.05%, moisture 0.2%, and impurities 0.18%.

[0032] Second, add 85% phosphoric acid accounting for 0.13% of the total weight of the camellia seed crude oil to the crude camellia seed oil after impurity removal, and enter the acid reaction tank after being mixed by a knife mixer, and the reaction time is 90 minutes;

[0033] Third, heat the crude camellia seed oil through the acid reaction to 55°C, then add 15Be of NaOH solution and centrifugally mix it (the amount of alkali added is calculated according to the formula: 1×0.713×Q / 1000, Q is the flow rate of the crude camellia seed oil T / h.), after fully mixing, stir slowly, and carry out low-temperature alkali refining reaction time aft...

Embodiment 3

[0039] The specific technological process of the present embodiment is as follows:

[0040] First, the crude camellia seed oil to be refined is filtered to remove impurities, so that the quality of the crude camellia seed oil after removal of impurities is: acid value 3.5, phospholipid content 1.05%, moisture 0.2%, and impurities 0.18%.

[0041] Second, add 85% phosphoric acid accounting for 0.15% of the total weight of camellia seed crude oil to the crude camellia seed oil after impurity removal, and enter the acid reaction tank after being mixed by a knife mixer, and the reaction time is 100min;

[0042] Third, heat the crude camellia seed oil after the acid reaction to 60°C, then add 15Be of NaOH solution and centrifugally mix it (the amount of alkali added is calculated according to the formula: 1×0.713×Q / 1000, Q is the flow rate of the crude camellia seed oil T / h.), after fully mixing, stir slowly, and carry out low-temperature alkali refining reaction time after 20min, ...

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Abstract

The invention discloses a novel process for refining oil-tea camellia seed crude oil, which belongs to the technical field of grease refining in the fine and further processing of farm and sideline products. A process flow comprises the following steps: filtering the oil-tea camellia seed crude oil to eliminate impurities; performing a first low temperature acid reaction; performing low temperature alkali refining; removing soap; performing water washing after first acid adding; performing second water washing; and de-coloring and deodorizing the obtained product to obtain first-level oil-tea camellia seed oil. The novel process is characterized by improving the oil obtaining rate of refining, lowering production cost, improving product quality and stability and the like, and is used for refining the oil-tea camellia seed crude oil and refining rap oil, peanut oil and other vegetable oil.

Description

technical field [0001] The invention relates to the technical field of oil refining in deep processing of agricultural and sideline products, in particular to a new process for refining camellia seed crude oil. Background technique [0002] Camellia oleifera seeds are mainly produced in the south-central region of my country, among which Hunan Province ranks first in the country. For a long time, residents in the producing area mainly eat tea seed oil. Because tea seed oil contains many kinds of impurities, and the color is darker and the taste is poor, so the product grade is lower. In recent years, the camellia seed processing industry has adopted the conventional refining method of "crude oil-degumming-complete deacidification-one washing-decolorization-deodorization', and the product quality has improved. However, due to the inherent particularity of Camellia oleifera seed oil, conventional refining methods cannot effectively remove soluble impurities; in addition, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/06C11B3/04C11B3/16
Inventor 郭少海刘友佳文雨雁唐艳萍张建荣
Owner HUNAN XINJINHAO TEA OIL
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