CN107027903A - A kind of refinery practice of fiery sesame oil - Google Patents
A kind of refinery practice of fiery sesame oil Download PDFInfo
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- CN107027903A CN107027903A CN201710356665.XA CN201710356665A CN107027903A CN 107027903 A CN107027903 A CN 107027903A CN 201710356665 A CN201710356665 A CN 201710356665A CN 107027903 A CN107027903 A CN 107027903A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
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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
- 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
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/003—Refining fats or fatty oils by enzymes or microorganisms, living or dead
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/10—Refining fats or fatty oils by adsorption
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/12—Refining fats or fatty oils by distillation
- C11B3/14—Refining fats or fatty oils by distillation with the use of indifferent gases or vapours, e.g. steam
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Abstract
The present invention provides a kind of refinery practice of fiery sesame oil, belongs to edible oil processing technique field.The technique includes the step of degumming, depickling, decolouring, deodorization, in scouring processes, mainly use enzymatic degumming, adding citric acid carries out acid reaction first, adding citric acid sodium forms buffer system with citric acid again, then add phosphatidase and an aliphatic acid generation hemolytic phosphatide is fallen into non-hydratable phosphatide hydrolysis at a suitable temperature, hemolytic phosphatide is had good hydrophily, finally removed using the method for aquation.Depickling reaction is then carried out, uses conventional sodium hydroxide solution to neutralize acid, by carrying out depickling processing under conditions of two-stage different temperatures, pressure.In decolorization, the mode for using decolorising agent premix adds decolorising agent.Using the method for the present invention, refining effect is good, and gained east of oil is pale yellow, clear, acid number and peroxide value are low, and storge quality is good, and oil yield is high.
Description
【Technical field】
The present invention relates to edible oil processing technique field, and in particular to a kind of refinery practice of fiery sesame oil.
【Background technology】
Fiery sesame oil is one kind of the fiery sesame oil of bar horse, contains 10 kinds of amino acid necessary to human body cell, β-carrotene, Ye Lv
The nutrients such as element, folic acid, phytic acid, nicotinic acid, lecithin, phytosterol, wherein unsaturated fatty acid content reach highest, sub- oil
Sour (- 6) and the balanced proportion of alpha-linolenic acid (- 3), reaches 2.4：1, meet the small of World Health Organization's regulation nutrition science requirement
In 4：1 ratio, can be rated as " plant docosapentaenoic acid ".These nutrients are our human body cell life best nutritional sources.Fiery sesame oil battalion
Delicate fragrance is supported, the fiery sesame oil of long-term consumption effectively supplements nutrient alpha-linolenic acid needed by human, moisturize laxation, has invigorating heart, brain and blood vessel
Health promote longevity, also with reduction blood fat and blood pressure blood glucose the effects such as.
At present, fiery sesame oil refinery practice has chemical refining and physical refining, and chemical refining has neutral oil loss greatly, raw
Active substances retain few shortcoming；And product oil yield is not only increased using physical refining process, simultaneously effective protect
Bioactive substance in rice bran oil.But because fiery sesame oil crude oil comparison of ingredients is complicated, containing more free fatty, admittedly
Body fat and coloring matter chlorophyll etc., these materials are unfavorable for grease storage and used, and difficulty, existing fire fiber crops are brought to refining
Oil need to be improved in terms of storge quality and activity substance content.Accordingly, it would be desirable to which the refinery practice condition to fiery sesame oil is carried out
Further optimization, selects refining effect preferably and bioactive substance retains more technique, produce higher quality
Fiery sesame oil.
【The content of the invention】
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of refinery practice of fiery sesame oil, its essence
Refining effect is good, and gained east of oil is pale yellow, clear, acid number and peroxide value are low, and storge quality is good, and oil yield is high.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of refinery practice of fiery sesame oil, including the step of degumming, depickling, decolouring, deodorization, specific practice is：
(1) degumming：Sesame oil crude oil of getting fire is heated to 60-75 DEG C, adds the citric acid solution that mass concentration is 40-45%,
Mix 30-40 minutes, add the sodium citrate solution that mass concentration is 4%-5% and stir 1-5 minutes, wherein, lemon
The addition of acid solution is the 0.1%-0.2% of crude oil weight, and the addition of sodium citrate solution is the 0.8%- of crude oil weight
1%；Then 50-55 DEG C is cooled to, weight is added into crude oil than the phosphatidase for 0.1 ‰ -0.4 ‰, homogeneous 0.5-2 hours,
Degumming is carried out through ultrafiltration membrance filter；Crude oil after homogeneous is stood 1.5-3 hours, then is centrifugally separating to obtain just degummed oil and oil
Pin；The first degummed oil released after oil foot stir with 60-80 revs/min of speed, and is warming up to 80 DEG C, crude oil is added and weighs 8-10%'s
90-95 DEG C of hot water, is stirred 10-15 minutes, quiescent setting more than 2 hours, discharges washings；Wash one again in the same way
It is secondary, second wash water is discharged, degummed oil is obtained；
(2) depickling：The temperature of degummed oil is adjusted to 35-40 DEG C, it is 8-12%'s that weight fraction is added into degummed oil
Sodium hydroxide solution, addition amount of sodium hydroxide is the 1-2% of degumming weight of oil, and after stirring 15-20 minutes, buffering is transferred to together
Tank, is 60-70 DEG C in temperature, and pressure is processing 30-60 minutes under conditions of 0.8-0.95MPa；Then it is transferred to again in packed tower,
It it is 100-120 DEG C in temperature conditionss, pressure obtains depickling oil under conditions of 0.9-1MPa, to carry out steam distillation depickling；
(3) decolourize：Depickling oil is heated to 85-90 DEG C, vacuum desiccator is transported to and is dried, by 70- after drying
80% depickling oil is heated to 100-110 DEG C, and feeding bleaching tower decolourizes, by other 20-30% depickling oil feeding size mixing tank with
The decolorising agent of addition is transported to bleaching tower decolorization 30-35 minutes after sizing mixing, the oil after decolouring enters leaf-type filter filtering,
It is subsequently cooled to 60-70 DEG C to be filtered, obtains bleached oil；
(4) it is deodorized：In vacuum it is that 300-500Pa, temperature are 230-240 DEG C, mixing speed 60-80r/ by bleached oil
Deodorization processing 30-60min under conditions of min, must refine fiery sesame oil.
In the present invention, it is further preferred that the decolorising agent is to be modified cocoanut active charcoal with Activated Sepiolite according to weight
Than for 1-2:1 is mixed to get, and decolorising agent consumption is the 1.5-2% of the oily gross weight of depickling.
Wherein, the modified cocoanut active charcoal is obtained by the following method：Coconut husk was crushed to the powder of 80-100 mesh sieves,
Coconut shell flour must be pre-processed by being dried after being handled after the first pickling of coconut shell flour with alkali cleaning；Then will pretreatment coconut shell flour in tube furnace in
Carbonized under 500 DEG C -530 DEG C of temperature conditionss, washing and drying obtains coconut husk charcoal after taking-up；Coconut husk charcoal is impregnated with liquor natrii hypochloritis
Handle after 2-3h, be placed in tube furnace and be warming up to 600 DEG C with 80-100 DEG C/min speed, then with 40-50 DEG C/min speed
800 DEG C are warming up to, CO is then passed through with 60ml/min speed2Gas, then 900 DEG C are warming up to 20-30 DEG C/min speed,
Cool after constant 20-30min, temperature is down to less than 400 DEG C stoppings and is passed through CO2Gas, room temperature is taken out, and is washed till drying after neutrality
Modified cocoanut active charcoal.
It is further preferred that the Activated Sepiolite obtaining by the following method：Sepiolite clay is taken, mass concentration is used
Submerged for 4% sulfuric acid solution, 5-10min is boiled while stirring, the sepiolite that must be acidified is filtered, the sepiolite of acidifying is used
The pH value for distilling water washing to filtrate is neutrality, then filter residue is dried, and is then ground to the powder of 200-230 mesh sieves, finally
Through 300-320 DEG C of high-temperature roasting 1.5-2h, the sepiolite that cools and must activate is taken out.
It is further preferred that what is handled after the first pickling by coconut shell flour with alkali cleaning concretely comprises the following steps：Count by weight,
The acetic acid that 15-20 parts of mass concentrations are 12-15%, 80-100 parts of coconut shell flours and 100-120 parts of deionizations are taken, with 80- after mixing
Suspension is formed after 100r/min speed stirring 8-12min, the hydroxide that 15-20 parts of mass concentrations are 1-2% is then added
Sodium, after 80-120r/min speed stirring 8-12min, filter residue, drying, finally with powder in high-pressure roller mill are washed in filtering
Broken power is 150-180MPa condition high pressure roller mill 3-5min, obtains pre-processing coconut shell flour.
It is further preferred that the mass concentration of the liquor natrii hypochloritis is 5.5-6%.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the present invention carries out strict control in each step of degumming, depickling, decolouring, deodorization, so as to realize oil quality
The raising of amount and the raising of oil yield.Wherein, in scouring processes, enzymatic degumming is mainly used, adding citric acid first enters
Metal ion in row acid reaction, complexing oil, ensures the stability of refined oil；Then adding citric acid sodium is buffered with citric acid formation
System, is conducive to follow-up phosphatidase to play a role, and then adds phosphatidase and at a suitable temperature falls non-hydratable phosphatide hydrolysis
One aliphatic acid generates hemolytic phosphatide, and hemolytic phosphatide has good hydrophily, is finally removed, adopted using the method for aquation
Use the phosphorus content in the Degumming method, gained degummed oil can be near 5 × 106mg/L.Depickling reaction is then carried out, is used
Conventional sodium hydroxide solution neutralizes acid, by carrying out depickling processing under conditions of two-stage different temperatures, pressure, compared to
Routinely normal pressure is handled or coagulation, and the mode of changing can preferably deviate from the free fatty in oil, so as to ensure fiery sesame oil
Stability and local flavor.In decolorization, use after decolorising agent and a part of depickling oil premix again together with the side of fluid
Formula is decolourized into bleaching tower, compared to the mode that solid decolorizer is directly added into bleaching tower, can not only reduce loss, and
Decolorising agent can preferably be mixed with depickling oil, so as to reach preferably decolorizing effect.Decolourized, reached by the way of the present invention
On the premise of identical decolorizing effect, it is possible to reduce the consumption of decolorising agent, so as to reduce useless decolorising agent entrained oil fat, essential oil is improved
Yield.
2nd, it by modified cocoanut active charcoal with Activated Sepiolite is 1-2 according to weight ratio that present invention decolorising agent used, which is,:1 mixing
Obtain, modified cocoanut active charcoal is first to carbonize coconut shell flour, is then impregnated with liquor natrii hypochloritis, then matching program temperature control
Mode, and be passed through a certain amount of CO2Gas, which coordinates, to be modified, and can obtain that micropore is enriched, is evenly distributed and specific surface area is up to
1500m2/ g activated carbon.Activated Sepiolite is to be activated sepiolite using dilute sulfuric acid, is removed miscellaneous in sepiolite clay
Matter, makes the hydrogen ion in acid instead of the calcium of aspect in original structure, magnesium, potassium and sodium plasma, makes it have active hydrogen atom, raw
Cheng Xin surface, adds the specific surface area of sepiolite clay, improves the decoloring ability of sepiolite clay.The present invention uses this
Two kinds of decolorising agents are combined to be decolourized, and two kinds of decolorising agents have different absorption principles, all synergies, can be more fully
Except the pigment in degreasing, trace meter, neat soap, colloid, remains of pesticide and other impurity.Used using the decolorising agent of the present invention
Amount is low, and oil loss is few, can guarantee that fiery sesame oil quality, improves the yield of essential oil.
3rd, the present invention after soda acid degumming, then again by freezing processing, makes when being pre-processed to coconut shell flour
Hydrone swells, and struts the internal structure of coconut shell flour, breaks the van der Waals interaction of the inside between coconut shell flour interior molecules；Then
Coconut shell flour is subjected to high pressure roller mill, coconut shell flour is rolled by strong pressure, make the Van der Waals force between coconut shell flour interior molecules enters one
Step is broken, so as to break the aggregated forms of the molecule of coconut shell flour, enables coconut shell flour fully dispersed, makes it in successive modified mistake
More preferable micropore and specific surface area are obtained in journey.
【Embodiment】
In order to more clearly express the present invention, below by way of specific embodiment, the invention will be further described.
Embodiment 1
A kind of refinery practice of fiery sesame oil, including the step of degumming, depickling, decolouring, deodorization, specific practice is：
(1) degumming：Sesame oil crude oil of getting fire is heated to 60-68 DEG C, adds the citric acid solution that mass concentration is 40%, mixing
Stirring 30 minutes, adds the sodium citrate solution that mass concentration is 4% and stirs 1 minute, wherein, the addition of citric acid solution
For the 0.1% of crude oil weight, the addition of sodium citrate solution is the 0.8% of crude oil weight；Then 50-55 DEG C is cooled to, to hair
Weight is added in oil than the phosphatidase for 0.1 ‰, homogeneous 0.5 hour carries out degumming through ultrafiltration membrance filter；By the crude oil after homogeneous
1.5 hours are stood, then is centrifugally separating to obtain just degummed oil and oil foot；The first degummed oil after oil foot will be released with 60 revs/min of speed
Stirring, and it is warming up to 80 DEG C, 90 DEG C of the hot water that crude oil weighs 8% is added, is stirred 10 minutes, quiescent setting 2 hours, discharge washing
Water；Wash again once in the same way, discharge second wash water, obtain degummed oil；
(2) depickling：The temperature of degummed oil is adjusted to 35-40 DEG C, the hydrogen-oxygen that weight fraction is 8% is added into degummed oil
Change sodium solution, addition amount of sodium hydroxide is the 2% of degumming weight of oil, after stirring 15 minutes, surge tank is transferred to together, is in temperature
60 DEG C, pressure is processing 60 minutes under conditions of 0.8MPa；Then it is transferred to again in packed tower, is 100 DEG C, pressure in temperature conditionss
Under conditions of 0.9MPa, steam distillation depickling is carried out, depickling oil is obtained；
(3) decolourize：Depickling oil is heated to 85-90 DEG C, vacuum desiccator is transported to and is dried, by 70% after drying
Depickling oil is heated to 100 DEG C, and feeding bleaching tower decolourizes, and other 30% depickling oil is sent into decolorising agent of the tank with adding of sizing mixing and adjusted
Bleaching tower decolorization is transported to after slurry 30 minutes, the oil after decolouring enters leaf-type filter filtering, is subsequently cooled to 60 DEG C and enters
Row filtering, obtains bleached oil；
(4) it is deodorized：In vacuum it is that 300Pa, temperature are 230 DEG C, taken off under conditions of mixing speed 60r/min by bleached oil
Smelly processing 30min, must refine fiery sesame oil.
In the present embodiment, decolorising agent is obtained by the following method：
(1) modified cocoanut active charcoal is prepared：Coconut husk was crushed to the powder of 80 mesh sieves, counted by weight, took 15 parts of matter
The acetic acid that concentration is 15%, 80 parts of coconut shell flours and 100 parts of deionizations are measured, with shape after 80r/min speed stirring 8min after mixing
Into suspension, the sodium hydroxide that 15 parts of mass concentrations are 1%, after 80r/min speed stirring -12min, mistake are then added
Filter, washs filter residue, dries, finally the condition high pressure roller mill 5min in high-pressure roller mill by 150MPa of crush force, obtains pre-
Handle coconut shell flour.Then coconut shell flour will be pre-processed in tube furnace in charing, washing and drying after taking-up under 500 DEG C of temperature conditionss
Obtain coconut husk charcoal；After the liquor natrii hypochloritis's impregnation process 2h for being 5.5% by coconut husk charcoal mass concentration, it is placed in tube furnace with 80
DEG C/min speed is warming up to 600 DEG C, then is warming up to 800 DEG C with 40 DEG C/min speed, then logical with 60ml/min speed
Enter CO2Gas, then cooling after 900 DEG C, constant 20min is warming up to 20 DEG C/min speed, temperature is down to less than 400 DEG C stoppings
It is passed through CO2Gas, room temperature is taken out, and is washed till drying after neutrality and is modified cocoanut active charcoal.
(2) Activated Sepiolite is prepared：Take sepiolite clay, with mass concentration for 4% sulfuric acid solution submerge, stirring it is same
When boil 5min, filter the sepiolite that must be acidified, it is neutrality that the sepiolite of acidifying is washed with distilled water into the pH value of filtrate, then
Filter residue is dried, the powder of 200 mesh sieves was then ground to, most the sea that cools and must activate is taken out through 300 DEG C of high-temperature roasting 2h afterwards
Afrodite.
(3) mix：It is 1 according to weight ratio that cocoanut active charcoal, which will be modified, with Activated Sepiolite:1 is mixed to get decolorising agent, should
Decolorising agent consumption is the 1.5% of the oily gross weight of depickling.
Embodiment 2
A kind of refinery practice of fiery sesame oil, including the step of degumming, depickling, decolouring, deodorization, specific practice is：
(1) degumming：Sesame oil crude oil of getting fire is heated to 65-70 DEG C, adds the citric acid solution that mass concentration is 42%, mixing
Stirring 35 minutes, adds the sodium citrate solution that mass concentration is 4.5% and stirs 3 minutes, wherein, the addition of citric acid solution
Measure as the 0.15% of crude oil weight, the addition of sodium citrate solution is the 0.9% of crude oil weight；Then 50-55 DEG C is cooled to, to
Weight is added in crude oil than the phosphatidase for 0.2 ‰, homogeneous 1 hour carries out degumming through ultrafiltration membrance filter；By the crude oil after homogeneous
2 hours are stood, then is centrifugally separating to obtain just degummed oil and oil foot；The first degummed oil released after oil foot is stirred with 70 revs/min of speed
Mix, and be warming up to 80 DEG C, add 95 DEG C of the hot water that crude oil weighs 9%, stir 12 minutes, quiescent setting 3 hours, discharge washing
Water；Wash again once in the same way, discharge second wash water, obtain degummed oil；
(2) depickling：The temperature of degummed oil is adjusted to 35-40 DEG C, the hydrogen that weight fraction is 10% is added into degummed oil
Sodium hydroxide solution, addition amount of sodium hydroxide is the 1.5% of degumming weight of oil, after stirring 18 minutes, surge tank is transferred to together, in temperature
Spend for 65 DEG C, pressure is processing 45 minutes under conditions of 0.9MPa；Then it is transferred to again in packed tower, is 110 DEG C in temperature conditionss,
Pressure obtains depickling oil under conditions of 0.99MPa, to carry out steam distillation depickling；
(3) decolourize：Depickling oil is heated to 85-90 DEG C, vacuum desiccator is transported to and is dried, by 80% after drying
Depickling oil is heated to 110 DEG C, and feeding bleaching tower decolourizes, and other 20% depickling oil is sent into decolorising agent of the tank with adding of sizing mixing and adjusted
Bleaching tower decolorization is transported to after slurry 32 minutes, the oil after decolouring enters leaf-type filter filtering, is subsequently cooled to 65 DEG C and enters
Row filtering, obtains bleached oil；
(4) it is deodorized：In vacuum it is that 400Pa, temperature are 235 DEG C, taken off under conditions of mixing speed 70r/min by bleached oil
Smelly processing 45min, must refine fiery sesame oil.
In the present embodiment, decolorising agent is obtained by the following method：
(1) modified cocoanut active charcoal is prepared：Coconut husk was crushed to the powder of 80-100 mesh sieves, counted by weight, took 18
The acetic acid that part mass concentration is 13%, 90 parts of coconut shell flours and 110 parts of deionizations, 10min is stirred after mixing with 90r/min speed
After form suspension, then add the sodium hydroxide that 18 parts of mass concentrations are 1.5%, 10min stirred with 100r/min speed
Afterwards, filter, wash filter residue, dry, finally the condition high pressure roller mill 4min in high-pressure roller mill by 160MPa of crush force, is obtained
To pretreatment coconut shell flour.Then coconut shell flour will be pre-processed in tube furnace in being carbonized under 520 DEG C of temperature conditionss, washed after taking-up
Dry to obtain coconut husk charcoal；After the liquor natrii hypochloritis's impregnation process 2.5h for being 5.8% by coconut husk charcoal mass concentration, tube furnace is placed in
The interior speed with 90 DEG C/min is warming up to 600 DEG C, then is warming up to 800 DEG C with 45 DEG C/min speed, then with 60ml/min's
Speed is passed through CO2Gas, then with 25 DEG C/min speed be warming up to after 900 DEG C, constant 25min cool, temperature be down to 400 DEG C with
Lower stopping is passed through CO2Gas, room temperature is taken out, and is washed till drying after neutrality and is modified cocoanut active charcoal.
(2) Activated Sepiolite is prepared：Take sepiolite clay, with mass concentration for 4% sulfuric acid solution submerge, stirring it is same
When boil 8min, filter the sepiolite that must be acidified, it is neutrality that the sepiolite of acidifying is washed with distilled water into the pH value of filtrate, then
Filter residue is dried, the powder of 200-230 mesh sieves was then ground to, most afterwards through 310 DEG C of high-temperature roasting 1.8h, taking-up cools living
The sepiolite of change.
(3) mix：It is 1.5 according to weight ratio that cocoanut active charcoal, which will be modified, with Activated Sepiolite:1 is mixed to get decolorising agent,
The decolorising agent consumption is the 1.6% of the oily gross weight of depickling.
Embodiment 3
A kind of refinery practice of fiery sesame oil, including the step of degumming, depickling, decolouring, deodorization, specific practice is：
(1) degumming：Sesame oil crude oil of getting fire is heated to 60-75 DEG C, adds the citric acid solution that mass concentration is 45%, mixing
Stirring 40 minutes, adds the sodium citrate solution that mass concentration is 5% and stirs 5 minutes, wherein, the addition of citric acid solution
For the 0.2% of crude oil weight, the addition of sodium citrate solution is the 1% of crude oil weight；Then 50-55 DEG C is cooled to, to crude oil
Middle addition weight carries out degumming than the phosphatidase for 0.4 ‰, homogeneous 2 hours through ultrafiltration membrance filter；Crude oil after homogeneous is stood
3 hours, then it is centrifugally separating to obtain just degummed oil and oil foot；The first degummed oil released after oil foot is stirred with 80 revs/min of speed, and
80 DEG C are warming up to, 90-95 DEG C of the hot water that crude oil weighs 10% is added, stirred 15 minutes, quiescent setting more than 2 hours, discharge is washed
Wash water；Wash again once in the same way, discharge second wash water, obtain degummed oil；
(2) depickling：The temperature of degummed oil is adjusted to 35-40 DEG C, the hydrogen that weight fraction is 12% is added into degummed oil
Sodium hydroxide solution, addition amount of sodium hydroxide is the 2% of degumming weight of oil, after stirring 20 minutes, surge tank is transferred to together, in temperature
For 70 DEG C, pressure is processing 30 minutes under conditions of 0.95MPa；Then it is transferred to again in packed tower, is 120 DEG C in temperature conditionss,
Pressure obtains depickling oil under conditions of 1MPa, to carry out steam distillation depickling；
(3) decolourize：Depickling oil is heated to 90 DEG C, vacuum desiccator is transported to and is dried, after drying by 75% it is de-
Sour oil is heated to 105 DEG C, and feeding bleaching tower decolourizes, and the decolorising agent that other 25% depickling oil is sent into size mixing tank and addition is sized mixing
After be transported to bleaching tower decolorization 32 minutes, after decolouring oil enter leaf-type filter filtering, be subsequently cooled to 65 DEG C progress
Filtering, obtains bleached oil；
(4) it is deodorized：In vacuum it is that 500Pa, temperature are 240 DEG C, taken off under conditions of mixing speed 80r/min by bleached oil
Smelly processing 60min, must refine fiery sesame oil.
In the present embodiment, decolorising agent is obtained by the following method：
(1) modified cocoanut active charcoal is prepared：Coconut husk was crushed to the powder of 100 mesh sieves, counted by weight, took 20 parts of matter
The acetic acid that concentration is 12%, 100 parts of coconut shell flours and 120 parts of deionizations are measured, are stirred after mixing with 100r/min speed after 12min
Suspension is formed, the sodium hydroxide that 20 parts of mass concentrations are 2% is then added, after 120r/min speed stirring 12min, mistake
Filter, washs filter residue, dries, finally the condition high pressure roller mill 5min in high-pressure roller mill by 180MPa of crush force, obtains pre-
Handle coconut shell flour.Then coconut shell flour will be pre-processed in tube furnace in charing, washing and drying after taking-up under 530 DEG C of temperature conditionss
Obtain coconut husk charcoal；After the liquor natrii hypochloritis's impregnation process 3h for being 6% by coconut husk charcoal mass concentration, it is placed in tube furnace with 100
DEG C/min speed is warming up to 600 DEG C, then is warming up to 800 DEG C with 50 DEG C/min speed, then logical with 60ml/min speed
Enter CO2Gas, then cooling after 900 DEG C, constant 30min is warming up to 30 DEG C/min speed, temperature is down to less than 400 DEG C stoppings
It is passed through CO2Gas, room temperature is taken out, and is washed till drying after neutrality and is modified cocoanut active charcoal.
(2) Activated Sepiolite is prepared：Take sepiolite clay, with mass concentration for 4% sulfuric acid solution submerge, stirring it is same
When boil 10min, filter the sepiolite that must be acidified, it is neutrality that the sepiolite of acidifying is washed with distilled water into the pH value of filtrate,
Filter residue is dried again, the powder of 230 mesh sieves was then ground to, most afterwards through 320 DEG C of high-temperature roasting 1.5h, taking-up cools and must activated
Sepiolite.
(3) mix：It is 2 according to weight ratio that cocoanut active charcoal, which will be modified, with Activated Sepiolite:1 is mixed to get decolorising agent, should
Decolorising agent consumption is the 2% of the oily gross weight of depickling.
Fiery sesame oil light yellow in color, clear, acid number and peroxide value obtained by embodiment 1-3 is low, and storge quality is good,
And activity substance content is higher.By test, its performance indications situation is shown in Table 1.
The partial properties index of the embodiment 1-3 moderate heat sesame oil of table 1
| Insoluble impurities (%) | Acid number (KOH) mg/g | Peroxide value mmol/kg | Transparency | |
| Embodiment 1 | 0.04 | 0.16 | 5 | Clarification, it is transparent |
| Embodiment 2 | 0.03 | 0.15 | 5 | Clarification, it is transparent |
| Embodiment 3 | 0.03 | 0.20 | 6 | Clarification, it is transparent |
The applicant employs a variety of different techniques during the practice in Refining of fiery sesame oil, in order to be better described
The effect of the present invention, the effect for now refining oil some processes is taken passages as follows：
1st, process condition
Contrast groups 1：During difference from Example 2 is the step of degumming, citric acid and sodium citrate are not added with, directly
Connect and carry out degumming process with phosphatidase.
Contrast groups 2:Difference from Example 2 is that in the step of decolourizing decolorising agent is replaced with atlapulgite, activity
The consumption of carclazyte is the 1.6% of depickling weight of oil.
Contrast groups 3:Difference from Example 2 is that in the step of decolourizing the coconut husk that decolorising agent is bought with market is lived
Property charcoal as decolorising agent, and consumption is the 1.6% of depickling weight of oil.
Contrast groups 4：It is 70 DEG C in temperature only in surge tank during difference from Example 2 is the step of depickling,
Handled 60 minutes under conditions of normal pressure.
2nd, refining effect compares
Fiery sesame oil end properties index prepared by contrast groups 1-3 is shown in Table 2
The partial properties index of the contrast groups 1-3 moderate heat sesame oil of table 2
| Insoluble impurities (%) | Acid number (KOH) mg/g | Peroxide value mmol/kg | Transparency | |
| Contrast groups 1 | 0.04 | 0.8 | 6 | It is slightly muddy |
| Contrast groups 2 | 0.03 | 0.9 | 6 | It is slightly muddy |
| Contrast groups 3 | 0.03 | 0.9 | 9 | It is slightly muddy |
| Contrast groups 4 | 0.09 | 1.2 | 14 | Clarification, it is transparent |
Contrast groups 1 are due to being not added with after citric acid and sodium citrate, dephosphorization treatment, and wherein phosphorus content is 35 × 106Mg/L,
It is not good due to phosphor-removing effect, to follow-up depickling, decolourize there are some harmful effects, particularly make decolouring unnet, oil product is slightly
It is muddy.Contrast groups 2 and 3 due to decolorising agent consumption not enough, so decolorizing effect is not good, it was demonstrated that decolouring of the invention can with
In the case that amount is less, preferable effect is reached.Contrast groups 4 are due to the inadequate science of the technique of depickling, and the acid number that finished product has does not take
The result that must be satisfied with.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
The equal change or modification change completed under bright patent claim, the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
Claims (6)
1. a kind of refinery practice of fiery sesame oil, including the step of degumming, depickling, decolouring, deodorization, it is characterised in that specific practice
For：
(1) degumming：Sesame oil crude oil of getting fire is heated to 60-75 DEG C, adds the citric acid solution that mass concentration is 40-45%, mixing
Stirring 30-40 minutes, adds the sodium citrate solution that mass concentration is 4%-5% and stirs 1-5 minutes, wherein, citric acid is molten
The addition of liquid is the 0.1%-0.2% of crude oil weight, and the addition of sodium citrate solution is the 0.8%-1% of crude oil weight；So
After be cooled to 50-55 DEG C, into crude oil add weight than the phosphatidase for 0.1 ‰ -0.4 ‰, homogeneous 0.5-2 hours, through ultrafiltration
Membrane filtration carries out degumming；Crude oil after homogeneous is stood 1.5-3 hours, then is centrifugally separating to obtain just degummed oil and oil foot；It will put
The first degummed oil gone out after oil foot is stirred with 60-80 revs/min of speed, and is warming up to 80 DEG C, 90-95 DEG C of addition crude oil weight 8-10%
Hot water, stir 10-15 minute, quiescent setting more than 2 hours, discharge washings；Wash once, discharge again in the same way
Second wash water, obtains degummed oil；
(2) depickling：The temperature of degummed oil is adjusted to 35-40 DEG C, the hydrogen-oxygen that weight fraction is 8-12% is added into degummed oil
Change sodium solution, addition amount of sodium hydroxide is the 1-2% of degumming weight of oil, and after stirring 15-20 minutes, surge tank is transferred to together,
Temperature is 60-70 DEG C, and pressure is processing 30-60 minutes under conditions of 0.8-0.95MPa；Then it is transferred to again in packed tower, in temperature
Degree condition is 100-120 DEG C, and pressure obtains depickling oil under conditions of 0.9-1MPa, to carry out steam distillation depickling；
(3) decolourize：Depickling oil is heated to 85-90 DEG C, vacuum desiccator is transported to and is dried, by 70-80%'s after drying
Depickling oil is heated to 100-110 DEG C, sends into bleaching tower and decolourizes, and other 20-30% depickling oil is sent into size mixing tank and addition
Decolorising agent is transported to bleaching tower decolorization 30-35 minutes after sizing mixing, the oil after decolouring enters leaf-type filter filtering, Ran Houleng
But filtered to 60-70 DEG C, obtain bleached oil；
(4) it is deodorized：In vacuum it is that 300-500Pa, temperature are 230-240 DEG C, mixing speed 60-80r/min by bleached oil
Under the conditions of deodorization processing 30-60min, must refine fire sesame oil.
2. the refinery practice of fiery sesame oil according to claim 1, it is characterised in that：The decolorising agent is coconut activated for modification
Charcoal is 1-2 according to weight ratio with Activated Sepiolite:1 is mixed to get, and decolorising agent consumption is the 1.5-2% of the oily gross weight of depickling.
3. the refinery practice of fiery sesame oil according to claim 1, it is characterised in that：The modified cocoanut active charcoal by with
Lower method is obtained：Coconut husk was crushed to the powder of 80-100 mesh sieves, dried pre- after being handled after the first pickling of coconut shell flour with alkali cleaning
Handle coconut shell flour；Then coconut shell flour will be pre-processed in tube furnace in being carbonized under 500 DEG C -530 DEG C of temperature conditionss, washed after taking-up
Wash and dry to obtain coconut husk charcoal；By coconut husk charcoal with after liquor natrii hypochloritis's impregnation process 2-3h, be placed in tube furnace with 80-100 DEG C/
Min speed is warming up to 600 DEG C, then is warming up to 800 DEG C with 40-50 DEG C/min speed, then logical with 60ml/min speed
Enter CO2Gas, then with 20-30 DEG C/min speed be warming up to after 900 DEG C, constant 20-30min cool, temperature be down to 400 DEG C with
Lower stopping is passed through CO2Gas, room temperature is taken out, and is washed till drying after neutrality and is modified cocoanut active charcoal.
4. the refinery practice of fiery sesame oil according to claim 3, it is characterised in that the Activated Sepiolite passes through with lower section
Method is obtained：Sepiolite clay is taken, is submerged with mass concentration for 4% sulfuric acid solution, 5-10min, mistake is boiled while stirring
The sepiolite that must be acidified is filtered, it is neutrality that the sepiolite of acidifying is washed with distilled water into the pH value of filtrate, then filter residue is dried, so
The powder of 200-230 mesh sieves was ground to form afterwards, most took out the sea that cools and must activate through 300-320 DEG C of high-temperature roasting 1.5-2h afterwards
Afrodite.
5. the refinery practice of fiery sesame oil according to claim 3, it is characterised in that：Alkali is used after the first pickling by coconut shell flour
Wash concretely comprising the following steps for processing：Count by weight, take the acetic acid that 15-20 parts of mass concentrations are 12-15%, 80-100 parts of coconut husks
Powder and 100-120 parts of deionizations, to form suspension after 80-100r/min speed stirring 8-12min after mixing, are then added
The sodium hydroxide that 15-20 parts of mass concentrations are 1-2%, after 80-120r/min speed stirring 8-12min, filtering, washing filter
Slag, drying, finally the condition high pressure roller mill 3-5min in high-pressure roller mill by 150-180MPa of crush force, is pre-processed
Coconut shell flour.
6. the refinery practice of fiery sesame oil according to claim 3, it is characterised in that：The quality of the liquor natrii hypochloritis is dense
Spend for 5.5-6%.
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| CN113122382A (en) * | 2019-12-31 | 2021-07-16 | 丰益(上海)生物技术研发中心有限公司 | Preparation method of grease with low pollutant content |
| CN113122382B (en) * | 2019-12-31 | 2024-02-20 | 丰益(上海)生物技术研发中心有限公司 | Preparation method of grease with low pollutant content |
| EP4156974A4 (en) * | 2020-05-29 | 2024-09-18 | Chemtor Lp | Purification and extraction of cannabinoids |
| CN112779084A (en) * | 2020-12-18 | 2021-05-11 | 广西壮族自治区农业科学院 | Preparation method for improving OSI oxidation stability of hemp oil |
| WO2023208768A1 (en) | 2022-04-26 | 2023-11-02 | Dsm Ip Assets B.V. | Method of producing cannabis distillate |
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Application publication date: 20170811 |