CN101921612B - Method for decoloring and deodorizing diesel fuel oil and increasing yield - Google Patents
Method for decoloring and deodorizing diesel fuel oil and increasing yield Download PDFInfo
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- CN101921612B CN101921612B CN200910148352.0A CN200910148352A CN101921612B CN 101921612 B CN101921612 B CN 101921612B CN 200910148352 A CN200910148352 A CN 200910148352A CN 101921612 B CN101921612 B CN 101921612B
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Abstract
The invention discloses a method for decoloring and deodorizing diesel fuel oil and increasing yield, comprising the following steps of: A, adding raw oil to a mixture comprising activated clay and other solid absorbents, absorbing and filtering the raw oil to obtain a good-color oil product and a semi-finished oil product; and B, adding a catalyst into the obtained semi-finished oil product obtained in the step A, and making the semi-finished oil product react for 3-5 hours at normal temperature to obtain a good-color oil product. The invention can greatly deodorizes and decolors, and therefore, the oil product has no objectional odor, changes into a primrose color and achieves a 3.5 level of a Chinese standard GB 252-2000. Because the method of the invention is used for treating an oil product with a color which does not conform to a standard into an oil product with a color which conforms to the standard, the yield of the oil product is increased finally.
Description
Technical field
The present invention relates to the deep process technology field of oil product, specifically, the present invention is a kind of decoloring and deodorizing diesel fuel oil the method that improves yield.
Background technology
At present, by raw material through refinery and catalytic diesel oil and Pyrolysis gas oil PGO, therefore because its colloid is large, wax is large, has unsaturated olefin, meets airborne oxygen contact to be oxidized color blackening.Conventional method is to use strong acid, and the vitriol oil as 98% is processed, and adds alkali neutralization, so not only oily composition is caused to destruction to a certain degree, and slag yield is high.Although the different slag yield that causes of oil product is also different, slag yield generally can be in 6～10% higher level.In addition, add in alkali cleaning and time also easily there is emulsification, separation difficulty, production efficiency is low.
Summary of the invention
The object of this invention is to provide a kind of decoloring and deodorizing diesel fuel oil and improve the method for yield.
The present invention is in order to realize above-mentioned goal of the invention, particularly, the present invention by the following technical solutions:
Decoloring and deodorizing diesel fuel oil also improves the method for yield, adopts following steps:
A. stock oil is joined in the mixture being formed by atlapulgite and other solid adsorbent, filter and absorb, obtain coloury oil product and half-finished oil product; The part by weight of atlapulgite and other solid adsorbent is 1: 0.3～0.6; Other solid adsorbent are the mixture of aluminum oxide, magnesium oxide and silicon-dioxide, and the part by weight of aluminum oxide, magnesium oxide and silicon-dioxide is 1: 0.9～1.6: 0.8～1.2;
B. in half-finished oil product of gained in steps A, add catalyzer, the part by weight of half-finished oil product and catalyzer is 1: 0.01～0.05, after normal-temperature reaction 0.5-1 hour, obtains coloury oil product.
In steps A, outside improvement of the present invention, be: in the atlapulgite using in ordinary method, added other solid adsorbent components when filtering and absorb.Solid adsorbent is comprised of aluminum oxide, magnesium oxide and silicon-dioxide, and its preferred part by weight is 1: 1: 1.
Part by weight between stock oil and adsorbent mixtures (atlapulgite and other solid adsorbent) is not key of the present invention, and this ratio is 0.1～0.2: 1 conventionally.
Step B purifies absorption tower at bubbling to carry out.Catalyzer is comprised of the raw material of following weight ratio: furfural 60%, Virahol 10%, hexahydroaniline 5%, thanomin 5%, hexanediamine 10%, hypochlorite 10%.
The invention has the advantages that: the present invention can remove peculiar smell and slough pigment greatly, makes oil product free from extraneous odour, and color becomes faint yellow be up to state standards in GB252-2000 3.5 grades.Because the present invention is by the non-compliant oil product of color and luster after treatment, make it conformance with standard, thereby also finally improved the yield of oil product.
Embodiment
The preparation of embodiment 1 catalyzer
Get following raw material: 60 kilograms, furfural, 10 kilograms of Virahols, 5 kilograms of hexahydroaniline, 5 kilograms of thanomins, 10 kilograms of hexanediamines, 10 kilograms of hypochlorites.
After mixing, standby.
Embodiment 2
Get each 10 kilograms of aluminum oxide, magnesium oxide and silicon-dioxide, mix with 100 kilograms of atlapulgites, obtain adsorbent mixtures.Pack strainer into, stock oil passes through sorbent material from top to down, obtains clarify and decolorize work in-process oil, if qualified in finished product after analyzing, enters next process if defective.
To 1 kilogram of the catalyzer that adds embodiment 1 gained in 50 kilograms of work in-process oil products of gained, normal-temperature reaction, after 3 hours, obtains coloury oil product.
Embodiment 3
Get each 20 kilograms of aluminum oxide, magnesium oxide and silicon-dioxide, mix with 100 kilograms of atlapulgites, obtain adsorbent mixtures.Add raw material heavy oil to make it lucky submergence mixture, after filtering and absorbing 2 hours, obtain still underproof half-finished oil product of 60 kilograms of coloury oil products and 50 kilograms of color and lusters.
To 2 kilograms of catalyzer that add embodiment 1 gained in 50 kilograms of work in-process oil products of gained, normal-temperature reaction, after 5 hours, obtains coloury oil product.This step purifies absorption tower at bubbling carries out, and catalyzer can discharge hydrogen ion, makes the unsaturated hydrocarbons in oil product become stable hydrocarbon, to reach decolouring and stable object.
Embodiment 4
Get each 20 kilograms of aluminum oxide, magnesium oxide and silicon-dioxide, mix with 100 kilograms of atlapulgites, obtain adsorbent mixtures.Add raw material heavy oil to make it lucky submergence mixture, after filtering and absorbing 2 hours, obtain still underproof half-finished oil product of 60 kilograms of coloury oil products and 50 kilograms of color and lusters.
To 2.5 kilograms of catalyzer that add embodiment 1 gained in 50 kilograms of work in-process oil products of gained, normal-temperature reaction, after 5 hours, obtains coloury oil product.
Embodiment 5
Get each 20 kilograms of aluminum oxide, magnesium oxide and silicon-dioxide, mix with 100 kilograms of atlapulgites, obtain adsorbent mixtures.Add raw material heavy oil to make it lucky submergence mixture, after filtering and absorbing 2 hours, obtain still underproof half-finished oil product of 60 kilograms of coloury oil products and 50 kilograms of color and lusters.
To 0.05 kilogram of the catalyzer that adds embodiment 1 gained in 50 kilograms of work in-process oil products of gained, normal-temperature reaction, after 4 hours, obtains coloury oil product.
To provided by the present invention, be described in detail above, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (2)
1. decoloring and deodorizing diesel fuel oil improve the method for yield, is characterized in that, adopts following steps:
A. stock oil is joined in the mixture being formed by atlapulgite and other solid adsorbent, filter and absorb, obtain coloury oil product and half-finished oil product; The part by weight of atlapulgite and other solid adsorbent is 1:0.3～0.6; Other solid adsorbent are the mixture of aluminum oxide, magnesium oxide and silicon-dioxide, and the part by weight of aluminum oxide, magnesium oxide and silicon-dioxide is 1:0.9～1.6:0.8～1.2;
B. in half-finished oil product of gained in steps A, add catalyzer, the part by weight of half-finished oil product and catalyzer is 1:0.01～0.05, after normal-temperature reaction 0.5-1 hour, obtains coloury oil product;
Described catalyzer is comprised of the raw material of following weight ratio: furfural 60%, Virahol 10%, hexahydroaniline 5%, thanomin 5%, hexanediamine 10%, hypochlorite 10%.
2. decoloring and deodorizing diesel fuel oil according to claim 1 improve the method for yield, is characterized in that: the part by weight of described aluminum oxide, magnesium oxide and silicon-dioxide is 1:1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910148352.0A CN101921612B (en) | 2009-06-15 | 2009-06-15 | Method for decoloring and deodorizing diesel fuel oil and increasing yield |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910148352.0A CN101921612B (en) | 2009-06-15 | 2009-06-15 | Method for decoloring and deodorizing diesel fuel oil and increasing yield |
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| CN101921612A CN101921612A (en) | 2010-12-22 |
| CN101921612B true CN101921612B (en) | 2014-03-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643665A (en) * | 2012-05-09 | 2012-08-22 | 刘群 | Method for preparing diesel or coal oil by utilizing fuel oil |
| CN102876362A (en) * | 2012-10-22 | 2013-01-16 | 常州大学 | Diesel refinement and decolorization method |
| CN103031145A (en) * | 2012-12-10 | 2013-04-10 | 占小玲 | Oil decolorizing, deodorizing, refining and stabilizing method |
| CN103937543A (en) * | 2014-04-21 | 2014-07-23 | 沈阳化工大学 | Decoloring and deodorizing method of pyrolysis oil of waste tyres |
| CN105505577B (en) * | 2014-09-25 | 2021-07-09 | 中国石油化工股份有限公司 | Method for deodorizing biodiesel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891805A (en) * | 2005-06-03 | 2007-01-10 | 松下电器产业株式会社 | Regeneration processor of used edible oil and filter and regeneration processor using the filter |
| CN101311250A (en) * | 2007-05-25 | 2008-11-26 | 北京化工大学 | Novel diesel fuel decolorant and decolouring process |
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| US7709048B2 (en) * | 2002-05-02 | 2010-05-04 | Labcoat, Ltd. | Method and apparatus for coating a medical device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891805A (en) * | 2005-06-03 | 2007-01-10 | 松下电器产业株式会社 | Regeneration processor of used edible oil and filter and regeneration processor using the filter |
| CN101311250A (en) * | 2007-05-25 | 2008-11-26 | 北京化工大学 | Novel diesel fuel decolorant and decolouring process |
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