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Extraction of aqueous solvent from hickory nut oil

A technology of hickory oil and extraction method, which is applied in the direction of fat oil/fat production and fat generation, can solve the problems of expensive equipment investment and maintenance costs, the inability of small and medium-sized enterprises to apply, and the inability to be widely used, etc., to achieve low cost , Low phospholipid content, short cycle effect

Inactive Publication Date: 2006-11-01
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But supercritical CO 2 Due to the expensive equipment investment and maintenance costs brought about by high pressure in fluid extraction, small and medium-sized enterprises cannot apply it
At the same time, the enzyme preparation used for enzymatic hydrolysis is expensive, so it cannot be widely used.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of aqueous extraction method of pecan oil, can operate according to the following steps,

[0022] 1) Select the peeled hickory kernels that are disease-free and pollution-free, and grind the peeled hickory kernels with a water content of 1:3 with a weight-to-volume ratio of the feed liquid, so that the walnut kernels are ground and pulverized to about 60-70 mesh, and the slurry;

[0023] 2) Adjust the pH value of the slurry: adjust the pH of the ground slurry to 4.0 with hydrochloric acid or citric acid;

[0024] 3) Pyrolysis and catalysis: put the PH-adjusted slurry into a water bath with a temperature of 50° C. for pyrolysis and catalysis for 5 hours;

[0025] 4) Centrifugal separation: Centrifuge the serous liquid after pyrolysis and catalytic reaction in a centrifuge with a centrifugal force of 4000 rpm for 30 minutes; suck out the clear oil layer attached to the surface of the serous liquid after centrifugal separation to obtain clear oil, which is the requ...

Embodiment 2

[0028] A kind of aqueous extraction method of pecan oil, can operate according to the following steps,

[0029] 1) Select non-toxic, non-polluting hickory kernels for peeling, take the peeled hickory kernels and grind them with a weight-to-volume ratio of feed liquid of 1:5 to grind the walnut kernels to about 100-120 mesh, remove slurry;

[0030] 2) adjust the pH value of the slurry: adjust the pH of the ground slurry to 5.5 with hydrochloric acid or citric acid;

[0031] 3) Pyrolysis and catalysis: put the PH-adjusted slurry into a water bath with a temperature of 60°C for pyrolysis and catalysis for 1 hour;

[0032] 4) Centrifugal separation: centrifuge the serous liquid after pyrolysis and catalytic reaction on a centrifuge with a centrifugal force of 6000 rpm for 30 minutes; suck out the clear oil layer attached to the surface of the serous liquid after centrifugal separation to obtain clear oil, which is the required product. Walnut oil;

[0033] 5) The obtained clear...

Embodiment 3

[0035] A kind of aqueous extraction method of pecan oil, can operate according to the following steps,

[0036] 1) Select the peeled hickory kernels that are disease-free and pollution-free, and grind the peeled hickory kernels with a weight-to-volume ratio of feed liquid of 1:4 to grind the walnut kernels to about 140-150 mesh, remove slurry;

[0037] 2) Adjust the pH value of the oar liquid: adjust the pH value of the ground slurry to 5 with hydrochloric acid or citric acid;

[0038] 3) Pyrolysis and catalysis: put the PH-adjusted slurry into a water bath with a temperature of 55°C for a pyrolysis and catalysis reaction for 3 hours;

[0039] 4) Centrifugal separation: centrifuge the slurry with a good pyrolysis catalytic reaction on a centrifuge with a centrifugal force of 5000 rpm for 20 minutes; suck out the clear oil layer attached to the surface of the slurry after centrifugal separation to obtain clear oil, which is the required product. Walnut oil;

[0040] 5) The o...

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PUM

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Abstract

The invention relates to a method to deoxidize the end coarse oil product and abstract gasoline and diesel oil with the coarse oil waste, and the facility and device used. The process is as following: (1)The material waste will be catalytic cracked at the temperature 50-480DEG C after some quartz sand,and grains of sand have been put in, the material waste is just the coarse oil waste. (2) Te gas from the cracking will be catalytic cracked further in the fixed bed and the oil steam can be gained. (3) The oil steam will be fractionated and the gasoline and diesel oil fraction will be collected respectively. (4) The gasoline and diesel oil fraction will be refined respectively. A lot of processes are set to remove the impurity in the whole technology, so the quality of product can be assured, and the facility is simple and the volume of it can be reduced, the technology has been predigested, and the production period has been reduced. The quality of the oil gained with the method is high, the transparence of the oil is also high, just like the pure water, the carbon content of the oil is low, and the oil belongs to gasoline without lead, the oil can reach the gasoline standard of the Chinese Standard of 93# gasoline, the yield of the oil is high, the quantity of the whole oil gained from the method is as much as the weight of 8-83% of the diesel oil waste.

Description

technical field [0001] The invention relates to a natural health product hickory oil, in particular to an aqueous extraction method of hickory oil. Background technique [0002] The scientific name of pecan is Juglams mandshurca Maxlm (Juglams mandshurca Maxlm). It is the fruit of a perennial deciduous tree of the Juglandaceae walnut, and is called the world's four major dried fruits together with cashew nuts, hazelnuts, and lentils. The United States produces the most walnuts, and my country occupies the second place. However, as far as wild walnuts are concerned, my country should rank first in terms of species and fruit harvest. They are mainly distributed in Shanxi, Shaanxi, Hebei, Henan, Gansu, Xinjiang, Liaoning, Sichuan, Yunnan and other provinces. [0003] Walnut kernel is not only a nutritious food, but also has great medicinal effects. The famous medical scientist Li Shizhen said: "Walnuts nourish qi and blood, moisten dryness and resolve phlegm, benefit the gate...

Claims

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Application Information

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IPC IPC(8): C11B1/14
Inventor 王力华杨柏珍韩桂云
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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