CN106675772A - Fine processing method for cold pressing of peanut oil - Google Patents
Fine processing method for cold pressing of peanut oil Download PDFInfo
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- CN106675772A CN106675772A CN201611161761.0A CN201611161761A CN106675772A CN 106675772 A CN106675772 A CN 106675772A CN 201611161761 A CN201611161761 A CN 201611161761A CN 106675772 A CN106675772 A CN 106675772A
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- China
- Prior art keywords
- arachidis hypogaeae
- oleum arachidis
- hypogaeae semen
- low temperature
- ceramic membrane
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
Abstract
The invention relates to a fine processing method for cold pressing of peanut oil, and belongs to the technical field of peanut oil production. The method comprises the following steps: red skins of peanuts are removed, and crushing treatment is carried out for the peanuts; the peanuts are sent to a low temperature compressor for carrying out pressing, in order to obtain crude oil; the crude oil is filtered by a screen mesh, and sent into a ceramic membrane for carrying out filtering and degumming treatment; activated clay is added into the obtained ceramic membrane filtrate, decolouring treatment is carried out, and after filtering, decolored peanut oil is obtained; vacuum deodorization is carried out for the decolored peanut oil; the deodorized peanut is cooled, an adsorbent is added, hydraulic filtering is carried out for removing solids, and refined peanut oil is obtained. Fine processing treatment is carried out for the peanuts in the cold pressing process, and degumming, deodorization and grease removing treatment are realized, quality of the peanut oil is improved, and the purpose for fine processing of peanuts is realized.
Description
Technical field
The present invention relates to a kind of Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing, belongs to Oleum Arachidis hypogaeae semen production technical field.
Background technology
The general high-temperature high-pressure of traditional Oleum Arachidis hypogaeae semen is pressed and taken, and with the continuous improvement of people's living standard, healthy diet is proposed
Higher requirement, low temperature pressing Oleum Arachidis hypogaeae semen enters the visual field of people.Common peanut oil is carried under 120 DEG C of hot conditionss
Take, color and luster is deep, saturated fatty acid content is high, nutritional labeling is destroyed than larger, so traditional plant oil long-term consumption, strong to human body
The very big harm of Kang Zaocheng.Low temperature pressing Oleum Arachidis hypogaeae semen adopts 60 DEG C of low temperature pressing technology, the oily pure limpid, wind of made Semen arachidis hypogaeae
Taste natural faint scent, and can preferably retain Semen arachidis hypogaeae albumen powder, being conducive to making full use of for peanut cake, can avoid in refining process
In, because of the harmful trans fatty acid that high temperature is produced.
CN103320212A discloses a kind of preparation method of giving off a strong fragrance cold pressing Oleum Arachidis hypogaeae semen, with cold pressing Semen arachidis hypogaeae dregs as raw material, passes through
High temperature parch so as to which inside occurs Maillard reaction, generates the distinctive flavor substance of hot moulding Oleum Arachidis hypogaeae semen.Again by the Semen arachidis hypogaeae after parch
The dregs of rice mix with peanut raw material, are squeezed at 60 DEG C, and the aroma substance that the giving off a strong fragrance cold pressing Oleum Arachidis hypogaeae semen of preparation has is warm with employing
The content of the fragrance matter in Oleum Arachidis hypogaeae semen prepared by squeezing method, species, local flavor are essentially identical.CN102676288A provides a kind of cold
The production method for expressing oil from peanuts.Semen arachidis hypogaeae is bakeed by the way of microwave radiation, when microwave penetrates Semen arachidis hypogaeae, makes Semen arachidis hypogaeae material
Internal, outside almost heat temperature raising simultaneously, forms body heat source state, and material inside and outside homogeneous heating is consistent, will enough bakee time contracting
It is short to add 1% or so of hot baked mode for air.
But adopt the Oleum Arachidis hypogaeae semen for obtaining with the aforedescribed process and there is a problem that oil product degree of purity is bad, and cannot be by Huang
Aspergillin is removed.
The content of the invention
The purpose of the present invention is：A kind of low temperature pressing technique for producing Oleum Arachidis hypogaeae semen is provided, the method has degumming, deodorize effect
The really good, advantage that Semen arachidis hypogaeae oil quality is high, realizes the purpose of peanut products polish.
Technical scheme is：
A kind of Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing, comprises the steps：
1st step, goes Folium Styracis Suberifoliae to process Semen arachidis hypogaeae, then dries at 80~90 DEG C to moisture less than 5%, then carries out pulverization process；
2nd step, the ground product for obtaining is sent in low temperature pressing machine and is squeezed, and obtains crude oil；
3rd step, crude oil is filtered at low temperature using 100~120 eye mesh screens, removes particulate matter；
4th step, adds bentonite and kieselguhr in the crude oil after the filtration that the 3rd step is obtained, be re-fed into being carried out in ceramic membrane
Filter degumming process；
5th step, in the ceramic membrane filtrate that the 4th step is obtained active hargil is added, and is re-fed into carrying out desolventing technology in decoloration device,
Decolouring Oleum Arachidis hypogaeae semen is obtained after filtering；
6th step, decolouring Oleum Arachidis hypogaeae semen carries out vacuum deodorization process；
7th step, by deodorize Oleum Arachidis hypogaeae semen 1~4 DEG C is cooled to, and adds adsorbent, and hydraulic filtering is removed after solidss, refined
Oleum Arachidis hypogaeae semen.
In the 2nd described step, pressing temperature is 45~60 DEG C, squeezer press chamber 3.0~3.5Mpa of pressure.
In the 4th described step, bentonite and diatomaceous addition are respectively 3~6% of the crude oil weight after filtering；Institute
The molecular cut off of the ceramic membrane stated is 20000~40000Da, and filtration temperature is less than 30 DEG C, 0.3~0.5Mpa of filter pressure.
In the 5th described step, the addition of active hargil is the 3~6% of ceramic membrane filtrate weight；Bleaching temperature be 80~
85 DEG C, 30~60min of bleaching time.
In the 6th described step, the vacuum in vacuum deodorization process in 0.05Mpa, at 130~150 DEG C locate by feed temperature
The reason time is in 1~3h.
In the 7th described step, adsorption time is more than 10 hours.
In the 7th described step, adsorbent is Nitric Acid Modified wheat husk；The preparation method of described Nitric Acid Modified wheat husk is：Take
Wheat husk, after Jing washings, drying, is crushed, is sieved with pulverizer；Adopt the nitric acid of 2mol/L with the wheat husk of certain mass with solid again
Liquor ratio 1：6 ratio mixing, 2h is first reacted under the conditions of 25 DEG C, then is warming up to 75 DEG C and continue to react 2h, and distilled water is used after terminating
Washing, leaches solidss drying, obtains final product.
Beneficial effect
The present invention carries out polish process to the low temperature pressing process of Semen arachidis hypogaeae, realizes degumming, deodorize, except oils and fatss process, improves
The quality of Oleum Arachidis hypogaeae semen, realizes the polish purpose of Semen arachidis hypogaeae.
Specific embodiment
Embodiment 1
1st step, goes Folium Styracis Suberifoliae to process Semen arachidis hypogaeae, then dries at 80 DEG C to moisture less than 5%, then carries out pulverization process；
2nd step, the ground product for obtaining is sent in low temperature pressing machine and is squeezed, and pressing temperature is 45 DEG C, squeezer press chamber pressure
Power 3.0Mpa, obtains crude oil；
3rd step, crude oil is filtered at low temperature using 100 eye mesh screens, removes particulate matter；
4th step, adds bentonite and kieselguhr in the crude oil after the filtration that the 3rd step is obtained, be re-fed into being carried out in ceramic membrane
Filter degumming process, bentonite and diatomaceous addition are respectively 3% of the crude oil weight after filtering；Described ceramic membrane cut
Molecular weight is stayed to be 20000Da, 30 DEG C of filtration temperature, filter pressure 0.3Mpa runs the average operating flux of ceramic membrane in 4 hours
It is 25L/m2·h；
5th step, adds active hargil in the ceramic membrane filtrate that the 4th step is obtained, and the addition of active hargil is ceramic membrane filtrate
The 3% of weight, is re-fed into carrying out desolventing technology in decoloration device, and bleaching temperature is 80 DEG C, bleaching time 30min, after filtering
To decolouring Oleum Arachidis hypogaeae semen；
6th step, decolouring Oleum Arachidis hypogaeae semen carries out vacuum deodorization process, and the vacuum in vacuum deodorization process is in 0.05Mpa, feed temperature
At 130 DEG C, process time is in 1h；
7th step, by deodorize Oleum Arachidis hypogaeae semen 1 DEG C is cooled to, and adding adsorbent carries out adsorption treatment 10h, and hydraulic filtering removes solid
After thing, refined Oleum Arachidis hypogaeae semen is obtained.
Adsorbent is Nitric Acid Modified wheat husk；The preparation method of described Nitric Acid Modified wheat husk is：Take wheat husk, Jing washings, baking
After dry, crushed, sieved with pulverizer；Adopt the nitric acid of 2mol/L with the wheat husk of certain mass with solid-to-liquid ratio 1 again：6 ratio
Mixing, 2h is first reacted under the conditions of 25 DEG C, then is warming up to 75 DEG C and continue to react 2h, and distilled water wash is used after terminating, and leaches solid
Thing is dried, and is obtained final product.
Embodiment 2
1st step, goes Folium Styracis Suberifoliae to process Semen arachidis hypogaeae, then dries at 90 DEG C to moisture less than 5%, then carries out pulverization process；
2nd step, the ground product for obtaining is sent in low temperature pressing machine and is squeezed, and pressing temperature is 60 DEG C, squeezer press chamber pressure
Power 3.5Mpa, obtains crude oil；
3rd step, crude oil is filtered at low temperature using 120 eye mesh screens, removes particulate matter；
4th step, adds bentonite and kieselguhr in the crude oil after the filtration that the 3rd step is obtained, be re-fed into being carried out in ceramic membrane
Filter degumming process, bentonite and diatomaceous addition are respectively 6% of the crude oil weight after filtering；Described ceramic membrane cut
Molecular weight is stayed to be 40000Da, 30 DEG C of filtration temperature, filter pressure 0.5Mpa runs the average operating flux of ceramic membrane in 4 hours
It is 22L/m2·h；
5th step, adds active hargil in the ceramic membrane filtrate that the 4th step is obtained, and the addition of active hargil is ceramic membrane filtrate
The 6% of weight, is re-fed into carrying out desolventing technology in decoloration device, and bleaching temperature is 85 DEG C, bleaching time 60min, after filtering
To decolouring Oleum Arachidis hypogaeae semen；
6th step, decolouring Oleum Arachidis hypogaeae semen carries out vacuum deodorization process, and the vacuum in vacuum deodorization process is in 0.05Mpa, feed temperature
At 150 DEG C, process time is in 3h；
7th step, by deodorize Oleum Arachidis hypogaeae semen 4 DEG C are cooled to, and adding adsorbent carries out adsorption treatment 10h, and hydraulic filtering removes solid
After thing, refined Oleum Arachidis hypogaeae semen is obtained.
Adsorbent is Nitric Acid Modified wheat husk；The preparation method of described Nitric Acid Modified wheat husk is：Take wheat husk, Jing washings, baking
After dry, crushed, sieved with pulverizer；Adopt the nitric acid of 2mol/L with the wheat husk of certain mass with solid-to-liquid ratio 1 again：6 ratio
Mixing, 2h is first reacted under the conditions of 25 DEG C, then is warming up to 75 DEG C and continue to react 2h, and distilled water wash is used after terminating, and leaches solid
Thing is dried, and is obtained final product.
Embodiment 3
1st step, goes Folium Styracis Suberifoliae to process Semen arachidis hypogaeae, then dries at 85 DEG C to moisture less than 5%, then carries out pulverization process；
2nd step, the ground product for obtaining is sent in low temperature pressing machine and is squeezed, and pressing temperature is 50 DEG C, squeezer press chamber pressure
Power 3.2Mpa, obtains crude oil；
3rd step, crude oil is filtered at low temperature using 110 eye mesh screens, removes particulate matter；
4th step, adds bentonite and kieselguhr in the crude oil after the filtration that the 3rd step is obtained, be re-fed into being carried out in ceramic membrane
Filter degumming process, bentonite and diatomaceous addition are respectively 5% of the crude oil weight after filtering；Described ceramic membrane cut
Molecular weight is stayed to be 30000Da, 30 DEG C of filtration temperature, filter pressure 0.4Mpa runs the average operating flux of ceramic membrane in 4 hours
It is 28L/m2·h；
5th step, adds active hargil in the ceramic membrane filtrate that the 4th step is obtained, and the addition of active hargil is ceramic membrane filtrate
The 5% of weight, is re-fed into carrying out desolventing technology in decoloration device, and bleaching temperature is 82 DEG C, bleaching time 40min, after filtering
To decolouring Oleum Arachidis hypogaeae semen；
6th step, decolouring Oleum Arachidis hypogaeae semen carries out vacuum deodorization process, and the vacuum in vacuum deodorization process is in 0.05Mpa, feed temperature
At 140 DEG C, process time is in 2h；
7th step, by deodorize Oleum Arachidis hypogaeae semen 3 DEG C are cooled to, and adding adsorbent carries out adsorption treatment 10h, and hydraulic filtering removes solid
After thing, refined Oleum Arachidis hypogaeae semen is obtained.
Adsorbent is Nitric Acid Modified wheat husk；The preparation method of described Nitric Acid Modified wheat husk is：Take wheat husk, Jing washings, baking
After dry, crushed, sieved with pulverizer；Adopt the nitric acid of 2mol/L with the wheat husk of certain mass with solid-to-liquid ratio 1 again：6 ratio
Mixing, 2h is first reacted under the conditions of 25 DEG C, then is warming up to 75 DEG C and continue to react 2h, and distilled water wash is used after terminating, and leaches solid
Thing is dried, and is obtained final product.
Reference examples 1
It is with the difference of embodiment 3：In ceramic membrane filter in 4th step, bentonite and kieselguhr are not added.
1st step, goes Folium Styracis Suberifoliae to process Semen arachidis hypogaeae, then dries at 85 DEG C to moisture less than 5%, then carries out pulverization process；
2nd step, the ground product for obtaining is sent in low temperature pressing machine and is squeezed, and pressing temperature is 50 DEG C, squeezer press chamber pressure
Power 3.2Mpa, obtains crude oil；
3rd step, crude oil is filtered at low temperature using 110 eye mesh screens, removes particulate matter；
4th step, crude oil after the filtration that the 3rd step is obtained is sent into and carry out in ceramic membrane filtration degumming process, described ceramic membrane
Molecular cut off is 30000Da, and 30 DEG C of filtration temperature, filter pressure 0.4Mpa, the average operation for running ceramic membrane in 4 hours is led to
Amount is 17L/m2·h；
5th step, adds active hargil in the ceramic membrane filtrate that the 4th step is obtained, and the addition of active hargil is ceramic membrane filtrate
The 5% of weight, is re-fed into carrying out desolventing technology in decoloration device, and bleaching temperature is 82 DEG C, bleaching time 40min, after filtering
To decolouring Oleum Arachidis hypogaeae semen；
6th step, decolouring Oleum Arachidis hypogaeae semen carries out vacuum deodorization process, and the vacuum in vacuum deodorization process is in 0.05Mpa, feed temperature
At 140 DEG C, process time is in 2h；
7th step, by deodorize Oleum Arachidis hypogaeae semen 3 DEG C are cooled to, and adding adsorbent carries out adsorption treatment 10h, and hydraulic filtering removes solid
After thing, refined Oleum Arachidis hypogaeae semen is obtained.
Adsorbent is Nitric Acid Modified wheat husk；The preparation method of described Nitric Acid Modified wheat husk is：Take wheat husk, Jing washings, baking
After dry, crushed, sieved with pulverizer；Adopt the nitric acid of 2mol/L with the wheat husk of certain mass with solid-to-liquid ratio 1 again：6 ratio
Mixing, 2h is first reacted under the conditions of 25 DEG C, then is warming up to 75 DEG C and continue to react 2h, and distilled water wash is used after terminating, and leaches solid
Thing is dried, and is obtained final product.
As can be seen that by adding kieselguhr and bentonite on ceramic membrane scouring processes, can be on the surface of ceramic membrane
Layer protective layer is formed, prevents oils and fatss from having influence on the surface micropore of film, it is therefore prevented that the rapid decay of the flux of ceramic membrane.
Reference examples 2
It is with the difference of embodiment 3：Nitric acid wheat husk is provided without Nitric Acid Modified.
1st step, goes Folium Styracis Suberifoliae to process Semen arachidis hypogaeae, then dries at 85 DEG C to moisture less than 5%, then carries out pulverization process；
2nd step, the ground product for obtaining is sent in low temperature pressing machine and is squeezed, and pressing temperature is 50 DEG C, squeezer press chamber pressure
Power 3.2Mpa, obtains crude oil；
3rd step, crude oil is filtered at low temperature using 110 eye mesh screens, removes particulate matter；
4th step, adds bentonite and kieselguhr in the crude oil after the filtration that the 3rd step is obtained, be re-fed into being carried out in ceramic membrane
Filter degumming process, bentonite and diatomaceous addition are respectively 5% of the crude oil weight after filtering；Described ceramic membrane cut
Molecular weight is stayed to be 30000Da, 30 DEG C of filtration temperature, filter pressure 0.4Mpa runs the average operating flux of ceramic membrane in 4 hours
It is 28L/m2·h；
5th step, adds active hargil in the ceramic membrane filtrate that the 4th step is obtained, and the addition of active hargil is ceramic membrane filtrate
The 5% of weight, is re-fed into carrying out desolventing technology in decoloration device, and bleaching temperature is 82 DEG C, bleaching time 40min, after filtering
To decolouring Oleum Arachidis hypogaeae semen；
6th step, decolouring Oleum Arachidis hypogaeae semen carries out vacuum deodorization process, and the vacuum in vacuum deodorization process is in 0.05Mpa, feed temperature
At 140 DEG C, process time is in 2h；
7th step, by deodorize Oleum Arachidis hypogaeae semen 3 DEG C are cooled to, and adding adsorbent carries out adsorption treatment 10h, and hydraulic filtering removes solid
After thing, refined Oleum Arachidis hypogaeae semen is obtained.
Adsorbent is wheat husk；The preparation method of described wheat husk is：Wheat husk is taken, after Jing washings, drying, pulverizer powder is used
It is broken, sieve；The wheat husk of water and certain mass is adopted again with solid-to-liquid ratio 1：6 ratio mixing, first processes 2h under the conditions of 25 DEG C, then
It is warming up to 5 DEG C and continues with 2h, distilled water wash is used after terminating, leach solidss drying, obtains final product.
The performance parameter detection of the Oleum Arachidis hypogaeae semen of preparation
Oleum Arachidis hypogaeae semen quality determination method AFB1 assay method presses national standard《The survey of AFB1 in food
It is fixed》GB/T5009.22-2003；Determination method of peroxide value presses national standard《Oil peroxidation value is determined》GB/T5538-
1995；Acid value determination method presses national standard《Animal and plant fat acid value and acidity assaying》GB/T5530-1998；Refraction index is surveyed
Method is determined by national standard《Vegetable oil lipoprotein inspection refraction index is determined》GB/T5527-1985；Concrete testing result is as follows：
As can be seen from the above table, the Oleum Arachidis hypogaeae semen that the method for cold pressing that the present invention is provided is obtained has quality better, flavacin content
Low advantage, by degumming, deodorize, winterization except oils and fatss process in embodiment, the quality for making Oleum Arachidis hypogaeae semen is improved；Embodiment
3, relative to reference examples 2, by carrying out Nitric Acid Modified to adsorbing material, can reduce the content of phospholipid in Oleum Arachidis hypogaeae semen, more conducively
Edible health.
Claims (7)
1. a kind of Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing, it is characterised in that comprise the steps：
1st step, goes Folium Styracis Suberifoliae to process Semen arachidis hypogaeae, then dries at 80~90 DEG C to moisture less than 5%, then carries out pulverization process；
2nd step, the ground product for obtaining is sent in low temperature pressing machine and is squeezed, and obtains crude oil；
3rd step, crude oil is filtered at low temperature using 100~120 eye mesh screens, removes particulate matter；
4th step, adds bentonite and kieselguhr in the crude oil after the filtration that the 3rd step is obtained, be re-fed into being carried out in ceramic membrane
Filter degumming process；
5th step, in the ceramic membrane filtrate that the 4th step is obtained active hargil is added, and is re-fed into carrying out desolventing technology in decoloration device,
Decolouring Oleum Arachidis hypogaeae semen is obtained after filtering；
6th step, decolouring Oleum Arachidis hypogaeae semen carries out vacuum deodorization process；
7th step, by deodorize Oleum Arachidis hypogaeae semen 1~4 DEG C is cooled to, and adds adsorbent, and hydraulic filtering is removed after solidss, refined
Oleum Arachidis hypogaeae semen.
2. Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing according to claim 1, it is characterised in that in the 2nd described step, pressure
It is 45~60 DEG C to squeeze temperature, squeezer press chamber 3.0~3.5Mpa of pressure.
3. Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing according to claim 1, it is characterised in that swollen in the 4th described step
The native and diatomaceous addition of profit is respectively 3~6% of the crude oil weight after filtering；The molecular cut off of described ceramic membrane is
20000~40000Da, filtration temperature is less than 30 DEG C, 0.3~0.5Mpa of filter pressure.
4. Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing according to claim 1, it is characterised in that in the 5th described step, it is living
The addition of property hargil is the 3~6% of ceramic membrane filtrate weight；Bleaching temperature is 80~85 DEG C, 30~60min of bleaching time.
5. Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing according to claim 1, it is characterised in that in the 6th described step, very
, in 0.05Mpa, at 130~150 DEG C, process time is in 1~3h for feed temperature for vacuum in empty deodorize process.
6. Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing according to claim 1, it is characterised in that in the 7th described step, inhales
The attached time is more than 10 hours.
7. Oleum Arachidis hypogaeae semen low temperature pressing method for fine finishing according to claim 1, it is characterised in that in the 7th described step, inhales
Attached dose is Nitric Acid Modified wheat husk；The preparation method of described Nitric Acid Modified wheat husk is：Wheat husk is taken, after Jing washings, drying, powder is used
Broken machine is crushed, is sieved；Adopt the nitric acid of 2mol/L with the wheat husk of certain mass with solid-to-liquid ratio 1 again：6 ratio mixing, first 25
2h is reacted under the conditions of DEG C, then is warming up to 75 DEG C and continue to react 2h, distilled water wash is used after terminating, leach solidss drying, obtained final product.
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| CN105117260A (en) * | 2015-09-07 | 2015-12-02 | 北京金山安全软件有限公司 | Method and system for installing hardware device driver |
| CN112662462A (en) * | 2019-11-17 | 2021-04-16 | 海南海燕梦科技有限公司 | Preparation method of fragrant peanut oil |
| CN111849619A (en) * | 2020-07-29 | 2020-10-30 | 青岛品品好粮油集团有限公司 | Special oil for frying ice cream |
| CN112694941A (en) * | 2021-03-17 | 2021-04-23 | 熊涛 | Peanut oil preparation process |
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Application publication date: 20170517 |