CN106318441A - Diesel oil de-coloring agent as well as preparation method and de-coloring process thereof - Google Patents
Diesel oil de-coloring agent as well as preparation method and de-coloring process thereof Download PDFInfo
- Publication number
- CN106318441A CN106318441A CN201610890827.3A CN201610890827A CN106318441A CN 106318441 A CN106318441 A CN 106318441A CN 201610890827 A CN201610890827 A CN 201610890827A CN 106318441 A CN106318441 A CN 106318441A
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- China
- Prior art keywords
- agent
- diesel
- diesel oil
- coloring
- oil
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G29/00—Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals
- C10G29/20—Organic compounds not containing metal atoms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/04—Diesel oil
Abstract
The invention discloses a diesel oil de-coloring agent as well as a preparation method and a de-coloring process thereof. The de-coloring agent is prepared from sodium silicate, triethanolamine, diethylenetriamine, N,N-di(3-aminopropyl)dodecylamine, p-phenylenediamine, sodium hydroxide and water. The de-coloring agent has a simple preparation process and is used for de-coloring diesel oil, and a used pre-treatment agent is composed of hydrochloric acid and formaldehyde. The diesel oil de-coloring agent disclosed by the invention is simple in preparation process, short in production period and low in cost and is used for de-coloring black diesel oil; a de-coloring reaction has a rapid speed, no pollution and low loss; and after obtained black oil dreg is washed with water, the black oil dreg is conveyed into a hydrogenation device so as to be recycled and refined, and the recovery rate of the diesel oil is 98% or more. The diesel oil de-coloring agent disclosed by the invention is short in production period and low in cost.
Description
Technical field
The invention belongs to the decolorising agent field of oil product deep processing, be specifically related to a kind of efficient diesel decoloring agent, and preparation
Method and decoloration process.
Background technology
Crude quality owing to being exploited is relatively low, containing heterocyclic compound in the diesel oil that refining produces, and olefin(e) compound etc.
Unstable material, it causes the stability of diesel oil poor, after placing a period of time, its color burn blackening, affect the quality of oil product,
And in use equipment and environment are worked the mischief, therefore improve diesel oil colourity and stability becomes most important.
In the research of diesel decoloration, CN 101311250A discloses the discoloration method of a kind of physical absorption, its decolorising agent by
FeCl3、ZnCl2、AlCl3、 CuCl2, activated carbon, the composition such as kieselguhr, decolorising agent and diesel oil mix and blend at a certain temperature
Decolour.CN 101475829A discloses a kind of high-efficiency decolorant, and its decolorising agent is mixed by a certain percentage by sulphuric acid and formaldehyde
Composition, joins decolorising agent and carries out oxidative decoloration in diesel oil.CN 101735850A discloses a kind of diesel oil decolorized refining agent,
Its refining agent is by CuO, ZnO, CuCl2、ZnCl2、CuSO4、ZnSO4Composition, joins decolorising agent in diesel oil, stirring and adsorbing, arrives
Reach the purpose of decolouring.CN 101798520A discloses one and adds chloroazotic acid, cation exchange resin, peroxide in diesel oil successively
Change hydrogen, the method adding heat decoloring.CN 104194820A announces one and is sequentially added into sulphuric acid, dehydrated alcohol, furfural in diesel oil
The method of decolouring.
In above-mentioned diesel decoloration method, there is sulphuric acid relatively big to the corrosivity of equipment, slag yield is higher, extractant price
Height, adds that thermal energy consumption is big, the high deficiency of processing cost.
Summary of the invention
It is an object of the invention to open a kind of efficient diesel decoloring agent and preparation method thereof and decoloration process, production technology letter
Single, easy to use.It is added to refine in the black diesel obtained, decolouring can be reached, improve the purpose of stability.
A kind of diesel decoloring agent, it is characterised in that by 5%～15% sodium silicate, 2%～8% triethanolamine, 2%～8% 2 sub-second
Base triamine, 1%～5%N, N-bis-(3-aminopropyl) lauryl amine, 1%～10% p-phenylenediamine, 2%～10% sodium hydroxide, remaining
Amount water composition.
The preparation method of described diesel decoloring agent is: under agitation, successively by 5%～15% sodium silicate, 2%～8% 3
Ethanolamine, 2%～8% diethylenetriamines, 1%～5%N, N-bis-(3-aminopropyl) lauryl amine, 1%～10% p-phenylenediamine,
2%～10% sodium hydroxide is slowly added in excess water, temperature 30 DEG C～95 DEG C, is incubated 2h～5h, i.e. obtains this diesel decoloration
Agent.
The decoloration process of described diesel decoloring agent is: add the pre-place that percentage by weight is 1%～5% in diesel oil to be decoloured
Reason agent, stands after stirring reaction 5 min～40min, is filtrated to get supernatant and the black dregs of fat, adds then up and treat in clear liquid
The decolorising agent of decolouring diesel oil percentage by weight 0.05%～0.5%, stands after stirring reaction 5 min～30min decolouring, is filtrated to get
Oil product after decolouring, the black dregs of fat that the dregs of fat this filtered and pretreatment filtration obtain send hydrogenation plant to enter after washing
Row reclaims refining.
Described pretreating agent by 70%～95% hydrochloric acid, 5%～30% formaldehyde form.
The present invention compared with prior art, has an advantage in that: the diesel decoloring agent preparation technology of the present invention is simple, produces week
Phase is short, low cost, uses it for black diesel decoloration, and its decoloring reaction speed is fast, loss pollution-free, low, the black oil obtained
Slag, after washing, is sent to hydrogenation plant and carries out reclaiming refining, and the diesel oil response rate is more than 98%.The diesel decoloring agent of the present invention is raw
The product cycle is short, low cost.
Detailed description of the invention
Embodiment 1, each component of diesel decoloring agent consists of by weight percentage: 5% sodium silicate, 2% triethanolamine, 2% 2 Asia
Ethyl triamine, 1%N, N-bis-(3-aminopropyl) lauryl amine, 1% p-phenylenediamine, 2% sodium hydroxide, excess water.
Embodiment 2, each component of diesel decoloring agent consists of by weight percentage: 15% sodium silicate, 8% triethanolamine, 8% 2
Ethylenetriamine, 5%N, N-bis-(3-aminopropyl) lauryl amine, 10% p-phenylenediamine, 10% sodium hydroxide, excess water.
Embodiment 3, each component of diesel decoloring agent consists of by weight percentage: 10% sodium silicate, 5% triethanolamine, 5% 2
Ethylenetriamine, 3%N, N-bis-(3-aminopropyl) lauryl amine, 5% p-phenylenediamine, 6% sodium hydroxide, excess water.
Embodiment 4, each component of diesel decoloring agent consists of by weight percentage: 5% sodium silicate, 5% triethanolamine, 5% 2 Asia
Ethyl triamine, 3%N, N-bis-(3-aminopropyl) lauryl amine, 5% p-phenylenediamine, 6% sodium hydroxide, excess water.
Embodiment 5, each component of diesel decoloring agent consists of by weight percentage: 15% sodium silicate, 2% triethanolamine, 4% 2
Ethylenetriamine, 2%N, N-bis-(3-aminopropyl) lauryl amine, 4% p-phenylenediamine, 8% sodium hydroxide, excess water.
Embodiment 6, each component of diesel decoloring agent consists of by weight percentage: 10% sodium silicate, 8% triethanolamine, 8% 2
Ethylenetriamine, 4%N, N-bis-(3-aminopropyl) lauryl amine, 8% p-phenylenediamine, 8% sodium hydroxide, excess water.
The diesel decoloration agent prescription of embodiment 1-6 is prepared as follows method prepare:
Under agitation, successively by 5%～15% sodium silicate, 2%～8% triethanolamine, 2%～8% diethylenetriamines, 1%～5%
N, N-bis-(3-aminopropyl) lauryl amine, 1%～10% p-phenylenediamine, 2%～10% sodium hydroxide be slowly added in excess water,
Temperature 30 DEG C～95 DEG C, it is incubated 2h～5h, i.e. obtains the diesel decoloring agent of the present invention.
Diesel oil is decoloured by diesel decoloring agent by the following method that prepare.Pretreating agent be 70%～95% hydrochloric acid, 5%
～30% formaldehyde.
Embodiment 7, adds the pretreating agent of 1% in diesel oil to be decoloured, stands, be filtrated to get after stirring reaction 5 min
Supernatant and the black dregs of fat, add the decolorising agent of 0.5% then up, stand, filter after stirring reaction 30min decolouring in clear liquid
Obtaining oil product, the black dregs of fat being filtrated to get send hydrogenation plant to carry out reclaiming refining after washing.
Embodiment 8, adds the pretreating agent of 2% in diesel oil to be decoloured, stands, filter after stirring reaction 15 min
To supernatant and the black dregs of fat, clear liquid adds the decolorising agent of 0.4% then up, stands after stirring reaction 25min decolouring, mistake
Filter obtains oil product, and the black dregs of fat being filtrated to get send hydrogenation plant to carry out reclaiming refining after washing.
Embodiment 9, adds the pretreating agent of 3% in diesel oil to be decoloured, stands, filter after stirring reaction 20 min
To supernatant and the black dregs of fat, clear liquid adds the decolorising agent of 0.3% then up, stands after stirring reaction 20min decolouring, mistake
Filter obtains oil product, and the black dregs of fat being filtrated to get send hydrogenation plant to carry out reclaiming refining after washing.
Embodiment 10, adds the pretreating agent of 4% in diesel oil to be decoloured, stands, filter after stirring reaction 30 min
To supernatant and the black dregs of fat, clear liquid adds the decolorising agent of 0.2% then up, stands after stirring reaction 15min decolouring, mistake
Filter obtains oil product, and the black dregs of fat being filtrated to get send hydrogenation plant to carry out reclaiming refining after washing.
Embodiment 11, adds the pretreating agent of 5% in diesel oil to be decoloured, stands, filter after stirring reaction 40 min
To supernatant and the black dregs of fat, clear liquid adds the decolorising agent of 0.1% then up, stands after stirring reaction 5min decolouring, filter
Obtaining oil product, the black dregs of fat being filtrated to get send hydrogenation plant to carry out reclaiming refining after washing.
The diesel decoloring agent of embodiment 1 to 6 is under the use proportioning of embodiment 7 to 11, and by country, { GB/T6540-86} marks
Standard is measured on indoor set, and the diesel oil colourity after gained decolouring is less than No. 3, reaches diesel oil color standard.
Claims (4)
1. a diesel decoloring agent, it is characterised in that by 5%～15% sodium silicate, 2%～8% triethanolamine, 2%～8% diethylidene
Triamine, 1%～5%N, N-bis-(3-aminopropyl) lauryl amine, 1%～10% p-phenylenediamine, 2%～10% sodium hydroxide, surplus
Water forms.
2. the preparation method of a diesel decoloring agent as claimed in claim 1, it is characterised in that be prepared as follows: in stirring
Under the conditions of, successively by 5%～15% sodium silicate, 2%～8% triethanolamine, 2%～8% diethylenetriamines, 1%～5%N, N-bis-(3-
Aminopropyl) lauryl amine, 1%～10% p-phenylenediamine, 2%～10% sodium hydroxide be slowly added in excess water, in temperature 30
DEG C～95 DEG C, be incubated 2h～5h, i.e. obtain this diesel decoloring agent.
3. the decoloration process of a diesel decoloring agent as claimed in claim 1, it is characterised in that its decoloration process is: decolour waiting
Diesel oil adds the pretreating agent of 1%～5%, stands after stirring reaction 5 min～40min, be filtrated to get supernatant and black oil
Slag, adds the decolorising agent of 0.05%～0.5% then up, stands, filter after stirring reaction 5 min～30min decolouring in clear liquid
Oil product after being decoloured, the black dregs of fat that the dregs of fat this filtered and pretreatment filtration obtain send hydrogenation dress after washing
Put and carry out reclaiming refining.
4. the decoloration process of as claimed in claim 3 diesel decoloring agent, it is characterised in that pretreating agent by 70%～95% hydrochloric acid, 5%
～30% formaldehyde composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890827.3A CN106318441A (en) | 2016-10-13 | 2016-10-13 | Diesel oil de-coloring agent as well as preparation method and de-coloring process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890827.3A CN106318441A (en) | 2016-10-13 | 2016-10-13 | Diesel oil de-coloring agent as well as preparation method and de-coloring process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106318441A true CN106318441A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610890827.3A Pending CN106318441A (en) | 2016-10-13 | 2016-10-13 | Diesel oil de-coloring agent as well as preparation method and de-coloring process thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786401A (en) * | 1987-09-25 | 1988-11-22 | Mobil Oil Corporation | Liquid sludge disposal process |
| CN101445763A (en) * | 2007-11-26 | 2009-06-03 | 赵登利 | Method for producing diesel oil from waste engine oil |
| CN103525452A (en) * | 2013-10-14 | 2014-01-22 | 中国海洋石油总公司 | Method for synthesizing straight-run diesel oil acid removal agent |
| CN104263406A (en) * | 2014-09-09 | 2015-01-07 | 旌德县绿洁生物能源研究中心 | Process of refining light diesel oil from waste oil |
| CN104877761A (en) * | 2015-06-04 | 2015-09-02 | 沧州嘉泰油脂有限公司 | Process for extracting oleic acid from waste cooking oil |
-
2016
- 2016-10-13 CN CN201610890827.3A patent/CN106318441A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786401A (en) * | 1987-09-25 | 1988-11-22 | Mobil Oil Corporation | Liquid sludge disposal process |
| CN101445763A (en) * | 2007-11-26 | 2009-06-03 | 赵登利 | Method for producing diesel oil from waste engine oil |
| CN103525452A (en) * | 2013-10-14 | 2014-01-22 | 中国海洋石油总公司 | Method for synthesizing straight-run diesel oil acid removal agent |
| CN104263406A (en) * | 2014-09-09 | 2015-01-07 | 旌德县绿洁生物能源研究中心 | Process of refining light diesel oil from waste oil |
| CN104877761A (en) * | 2015-06-04 | 2015-09-02 | 沧州嘉泰油脂有限公司 | Process for extracting oleic acid from waste cooking oil |
Non-Patent Citations (1)
| Title |
|---|
| 吴世敏等: "《简明精细化工大辞典》", 30 June 1999 * |
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Application publication date: 20170111 |