CN103706322B - Grease decoloring agent - Google Patents
Grease decoloring agent Download PDFInfo
- Publication number
- CN103706322B CN103706322B CN201310669084.3A CN201310669084A CN103706322B CN 103706322 B CN103706322 B CN 103706322B CN 201310669084 A CN201310669084 A CN 201310669084A CN 103706322 B CN103706322 B CN 103706322B
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- CN
- China
- Prior art keywords
- agent
- grease
- fat decolourizing
- decoloring agent
- boehmite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 52
- 239000004519 grease Substances 0.000 title abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 32
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000004048 modification Effects 0.000 claims abstract description 11
- 238000012986 modification Methods 0.000 claims abstract description 11
- 238000001994 activation Methods 0.000 claims abstract description 7
- 230000004913 activation Effects 0.000 claims abstract description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 24
- 229910001593 boehmite Inorganic materials 0.000 claims description 15
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 9
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000004042 decolorization Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 150000004677 hydrates Chemical class 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 239000010779 crude oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000004061 bleaching Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a grease decoloring agent, relates to a purification and adsorption material, and especially relates to the grease decoloring agent of aluminum-based hydrate composite materials and a preparation method thereof. The grease decoloring agent is characterized by being prepared by selecting two or more than two aluminum-based hydrates having the adsorption property, carrying out mixing homogenization and then adding an acidic modifying agent for modification and activation. The grease decoloring agent is a mixture of the aluminum-based hydrate composite materials. The materials have the advantages of less using amount, good decoloring effect, easy filtration and separation, small residual oil rate and the like; moreover, the decolorizing agent does not contaminate products; after medium temperature roasting after decolorization, the decolorizing agent can be used in a raw material of a high temperature coating layer material, thereby reducing the decoloring agent cost; and the grease decoloring agent fully meets the requirements of food-grade grease on indicators of the chromaticity and the impurity content, and is easy to popularize and apply.
Description
Technical field
A kind of for fat decolourizing agent and preparation method thereof, relate to fat decolourizing agent of a kind of purification sorbing material, particularly aluminium base hydrate composite and preparation method thereof.
Background technology
All contain a certain amount of impurity in various animal and plant crude oil, before edible and commercial Application, all need purification and decoloration.The method of grease-decolor is a lot, and most widely used in industrial production is adsorption decoloring method.The adsorption bleaching of grease, utilizes some to have compared with the adsorbing material of strong selectivity (decolorizer) to pigment exactly, adsorbs the pigment in grease and other impurity under certain condition, thus reaches the object of decolouring.
The decolorizer of existing application or report has at present: bentonite, atlapulgite, imvite, attapulgite, active carbon, zeolite (Chinese patent 89108326.X), diatomite, silica gel and activated alumina etc.But these decolorizers respectively have pluses and minuses, wherein the most widely used general decolorizer for grease-decolor is atlapulgite, but this atlapulgite strainability is poor, butt residual oil content high (reaching 30-40%) after decolouring, cannot recycle after bleaching agent bleaching containing heavy metal element poisonous impurities, therefore need substitute be found.
Summary of the invention
Object of the present invention is exactly the deficiency for above-mentioned existing existence, provide a kind of can meet to the index requests such as chemical composition, activity, decolorizing ability, free acid, granularity, fat decolourizing agent that Safety and Environmental Protection is good and preparation method thereof.
The object of the invention is to be achieved through the following technical solutions.
A kind of fat decolourizing agent, is characterized in that this fat decolourizing agent selects two or more the aluminium base hydrate with absorption property to carry out mixing homogenizing, then adds acid modification agent and carry out modification and activation forms.
A kind of fat decolourizing agent of the present invention, is characterized in that its fat decolourizing agent is that the aluminium base hydrate with absorption property selected comprises unformed aluminium hydroxide, boehmite or gel aluminum hydroxide.
A kind of fat decolourizing agent of the present invention, it is characterized in that its fat decolourizing agent is selection amorphous hydroted alumina, boehmite carries out mixing homogenizing, its mixing quality ratio is 1:1 ~ 1:5.
A kind of fat decolourizing agent of the present invention, it is characterized in that its fat decolourizing agent is selection boehmite, gel aluminum hydroxide carries out mixing homogenizing, its mixing quality ratio is 1:1 ~ 5:1.
A kind of fat decolourizing agent of the present invention, it is characterized in that its fat decolourizing agent is selection amorphous hydroted alumina, gel aluminum hydroxide carries out mixing homogenizing, its mixing quality ratio is 1:1 ~ 1:5.
A kind of fat decolourizing agent of the present invention, it is characterized in that its fat decolourizing agent selects amorphous hydroted alumina, boehmite, gel aluminum hydroxide to carry out mixing homogenizing, its mixing quality ratio is 1:1:1 ~ 5:3:1.
A kind of fat decolourizing agent of the present invention, is characterized in that described acid modification agent to be mass concentration is the acetic acid of 1% ~ 4%, citric acid, nitric acid or sulfuric acid.
A kind of fat decolourizing agent of the present invention, is characterized in that the addition of described modifier is 1% ~ 3% of decolorizer gross mass.
A kind of fat decolourizing agent of the present invention, is characterized in that described activation process activates 3 ~ 6 hours at 50 ~ 85 DEG C of temperature.
A kind of fat decolourizing agent of the present invention, use aluminium base hydrate material as decolorizer, its decolouring, purification and impurity removal ability are better than or equal atlapulgite, but it does not introduce the poisonous impurities such as heavy metal, strainability is good, butt residual oil content low (<10%) after decolouring, consumption is 1/10th of carclazyte, and cost is lower, residual oil content is low, can for the preparation of the activated alumina of high temperature coating material through roasting after bleaching agent bleaching, process safety environmental protection, has good economic benefits.
Aluminium base hydrate composite fat decolourizing agent of the present invention is applied in animal and plant grease refining process, the activated alumina that the agent of decolouring rear decoloring obtains through medium temperature roast, may be used for high temperature coating material feedstock.Its decolouring, impurity-eliminating effect are better than or equal carclazyte, and preparing succinct, easy to operate, safety non-pollution.
Detailed description of the invention
A kind of fat decolourizing agent, this fat decolourizing agent selects two or more the aluminium base hydrate with absorption property to carry out mixing homogenizing, then add acid modification agent and carry out modification and activation forms; Its fat decolourizing agent is that the aluminium base hydrate with absorption property selected comprises unformed aluminium hydroxide, boehmite or gel aluminum hydroxide; Its fat decolourizing agent is selection unformed aluminium hydroxide, boehmite carries out mixing homogenizing, and its mixing quality ratio is 1:1 ~ 1:5; Its fat decolourizing agent is selection boehmite, gel aluminum hydroxide carries out mixing homogenizing, and its mixing quality ratio is 1:1 ~ 5:1; Its fat decolourizing agent is amorphous hydroted alumina, gel aluminum hydroxide carries out mixing homogenizing, and its mixing quality ratio is 1:1 ~ 1:5; Its fat decolourizing agent is amorphous hydroted alumina, boehmite, gel aluminum hydroxide carry out mixing homogenizing, and its mixing quality ratio is 1:1:1 ~ 5:3:1; Described acid modification agent to be mass concentration be 1% ~ 4% acetic acid, citric acid, nitric acid or sulfuric acid; The addition of modifier is 1% ~ 3% of decolorizer gross mass; Activation temperature is 50 ~ 85 DEG C, and soak time is 3 ~ 6 hours.
Embodiment 1 gets unformed aluminium hydroxide, each 50g of boehmite respectively, fully after mixing, adds 3%, mass concentration is 2% acetic acid modification, activate 4h and obtain at 60 DEG C.Getting its 0.2g joins in 200g crude oil, stirs 20 minutes, filter to be detected at 120 DEG C.Lovibond test meter redness is 2.5, and under same experimental condition, adding the rear redness of 2g carclazyte decolouring is 3.5.
Embodiment 2 gets unformed aluminium hydroxide, each 50g of gel aluminum hydroxide respectively, fully after mixing, adds 1%, mass concentration is 1.5% sulfuric acid modified, activate 6h and obtain at 75 DEG C.Getting its 0.2g joins in 200g crude oil, stirs 20 minutes, filter to be detected at 120 DEG C.Lovibond test meter redness is 3, and under same experimental condition, adding the rear redness of 2g carclazyte decolouring is 3.5.
Embodiment 3 gets boehmite, each 50g of gel aluminum hydroxide respectively, fully after mixing, adds 2%, mass concentration is the citric acid-modified of 3%, activate 5h and obtain at 80 DEG C.Getting its 0.2g joins in 200g crude oil, stirs 20 minutes, filter to be detected at 120 DEG C.Lovibond test meter redness is 3.5, and the result of adding the carclazyte of 2g is 4.
Embodiment 4 gets amorphous hydroted alumina, boehmite, each 50g of gel aluminum hydroxide respectively, fully after mixing, add 1%, mass concentration be 1% sulfuric acid modified, activate 3h at 70 DEG C and obtain.Getting its 0.2g joins in 200g crude oil, stirs 20 minutes, filter to be detected at 120 DEG C.Lovibond test meter redness is 3, and the result of adding the carclazyte of 2g is 3.
Claims (1)
1. a fat decolourizing agent, is characterized in that this fat decolourizing agent selects two or more the aluminium base hydrate with absorption property to carry out mixing homogenizing, then adds acid modification agent and carry out modification and activation forms;
The aluminium base hydrate with absorption property that its fat decolourizing agent is selected comprises unformed aluminium hydroxide, boehmite or gel aluminum hydroxide; Wherein, fat decolourizing agent is selection unformed aluminium hydroxide, boehmite carries out mixing homogenizing, and its mixing quality ratio is 1:1 ~ 1:5;
Or its fat decolourizing agent selects boehmite, gel aluminum hydroxide to carry out mixing homogenizing, its mixing quality ratio is 1:1 ~ 5:1;
Or its fat decolourizing agent selects unformed aluminium hydroxide, gel aluminum hydroxide to carry out mixing homogenizing, its mixing quality ratio is 1:1 ~ 1:5;
Or its fat decolourizing agent selects unformed aluminium hydroxide, boehmite, gel aluminum hydroxide to carry out mixing homogenizing, its mixing quality ratio is 1:1:1 ~ 5:3:1;
Described acid modification agent to be mass concentration be 1% ~ 4% acetic acid, citric acid, nitric acid or sulfuric acid;
The addition of described modifier is 1% ~ 3% of decolorizer gross mass;
Described activation process activates 3 ~ 6 hours at 50 ~ 85 DEG C of temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669084.3A CN103706322B (en) | 2013-12-11 | 2013-12-11 | Grease decoloring agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669084.3A CN103706322B (en) | 2013-12-11 | 2013-12-11 | Grease decoloring agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103706322A CN103706322A (en) | 2014-04-09 |
| CN103706322B true CN103706322B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310669084.3A Active CN103706322B (en) | 2013-12-11 | 2013-12-11 | Grease decoloring agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103706322B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434999A (en) * | 2017-08-16 | 2017-12-05 | 青海清华博众生物技术有限公司 | Discoloration method, decolouring hippophae rhamnoides fruit oil and its application of hippophae rhamnoides fruit oil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041970A (en) * | 1989-11-03 | 1990-05-09 | 河北省承德地区行署粮食局 | A kind of manufacture method of zeolite oil decolorizer |
| CN101069832A (en) * | 2007-04-03 | 2007-11-14 | 河北科技大学 | Process for producing modified aluminium oxide |
| CN101259407A (en) * | 2008-03-27 | 2008-09-10 | 黄山泰柯活性漂白土有限公司 | Technique for producing active clay |
| EP2034006A1 (en) * | 2006-06-28 | 2009-03-11 | Mizusawa Industrial Chemicals Ltd. | Decoloring agent for oil-and-fat or mineral oil |
-
2013
- 2013-12-11 CN CN201310669084.3A patent/CN103706322B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041970A (en) * | 1989-11-03 | 1990-05-09 | 河北省承德地区行署粮食局 | A kind of manufacture method of zeolite oil decolorizer |
| EP2034006A1 (en) * | 2006-06-28 | 2009-03-11 | Mizusawa Industrial Chemicals Ltd. | Decoloring agent for oil-and-fat or mineral oil |
| CN101069832A (en) * | 2007-04-03 | 2007-11-14 | 河北科技大学 | Process for producing modified aluminium oxide |
| CN101259407A (en) * | 2008-03-27 | 2008-09-10 | 黄山泰柯活性漂白土有限公司 | Technique for producing active clay |
Non-Patent Citations (2)
| Title |
|---|
| 三种脱色剂对酸催化生物柴油的脱色处理研究;李雪梅 等;《云南化工》;20130228;第40卷(第1期);第1-3、16页 * |
| 浅谈油脂脱色吸附剂;马云霄;《粮油加工》;20031231(第4期);第11-12页 * |
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| Publication number | Publication date |
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| CN103706322A (en) | 2014-04-09 |
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| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20160226 Address after: 450041 No. 82, Jiyuan Road, Zhengzhou District, Henan Patentee after: ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO., LTD. OF CHALCO Address before: 100082 Beijing, Xizhimen, North Street, No. 62, No. Patentee before: Aluminum Corporation of China Limited |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450041 No. 82, Jiyuan Road, Zhengzhou District, Henan Patentee after: China Aluminum Zhengzhou Research Institute of Nonferrous Metals Co., Ltd. Address before: 450041 No. 82, Jiyuan Road, Zhengzhou District, Henan Patentee before: ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO., LTD. OF CHALCO |