CN106753550B - A kind of food-level white oil and preparation method thereof - Google Patents
A kind of food-level white oil and preparation method thereof Download PDFInfo
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- CN106753550B CN106753550B CN201611017099.1A CN201611017099A CN106753550B CN 106753550 B CN106753550 B CN 106753550B CN 201611017099 A CN201611017099 A CN 201611017099A CN 106753550 B CN106753550 B CN 106753550B
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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
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
-
- 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
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
-
- 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
- C10G2300/70—Catalyst aspects
-
- 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
- C10G2400/14—White oil, eating oil
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of food-level white oils and preparation method thereof.The preparation method of the food-level white oil includes the following steps：Naphthenic base white oil raw material is added into hydrogenation reactor, first catalyst bed and the second catalyst bed are set from top to bottom in the hydrogenation reactor, and the acidity of hydrogenation catalyst of the hydrogenation catalyst filled on second catalyst bed than being filled on first catalyst bed is strong；The naphthenic base white oil raw material flows through first catalyst bed from top to bottom and the second catalyst bed carries out hydrofinishing, most afterwards through flash distillation removal light component up to the food-level white oil.The present invention uses the grading of different acid strength noble metal white oil hydrogenation catalysts, the White Oil Hydrofining Technology of zonal control reaction temperature in reactor, greatly improve catalyst white oil hydrogenation depth, the ability of effective Arene removal, especially for the universal higher naphthenic base white oil raw material of arene content, the advantage that the method for the present invention has routine techniques incomparable.
Description
Technical field
The present invention relates to a kind of food-level white oils and preparation method thereof, belong to petrochemical industry.
Background technology
White oil is produced generally using lube base oil as raw material using sulfonation method or high-pressure hydrogenation process, and common raw material has
Hydrocracking tail oil, solvent refining hydrocarbon ils and high-pressure hydrogenation base oil etc..Domestic WHITE OIL PRODUCTION corporate boss will be with paraffinic base high pressure
Hydrogenated base oil is that raw material produces food-level white oil and medicinal grade white oil, as Hangzhou Refinery and Daqing Refinery are all made of with isomery
DEWAXING TECHNIQUE is that the paraffinic base high-pressure hydrogenation base oil of core is raw material production food-level white oil, only petrochina Kelamayi stone
Change company uses nine area's viscous crude (naphthene base crude oil) to produce the food-level white oil of a few trade mark for raw material.
Naphthene base crude oil, especially ocean heavy high-acid crude oil compare above-mentioned raw materials, have high aromatic hydrocarbons, high cycloalkane, sulphur nitrogen
The features such as content height, large viscosity, more condensed cyclic structure is the desirable feedstock for producing rubber filling oil and tire environment-friendly rubber oil.
Naphthene base crude oil has larger difficulty with common technology production food-level white oil, is mainly reflected in that feedstock oil condensed cyclic structure is more, is difficult to
Aromatic hydrocarbons etc. in deep removal raw material.High-pressure hydrogenation base oil with certain ocean naphthene base crude distillate production is original
Material, disclosure satisfy that national standard using food-level white oil sample, ultraviolet absorptivity numerical value made from conventional white oil hydrogenation technique, but
Readily carbonizable substance experiment is difficult to the index request by national standard, and the prior art is for effectively removing in the heavy naphthene base crude oil of ocean
Aromatic hydrocarbons have larger difficulty, there is no the know-how of counterpart at present.
It with the lube base oil of deep refining or technical white oil is original that patent application CN 1133724C, which are disclosed a kind of,
Material, using the method for layer dress catalyst system production food-level white oil in traditional hydrogenation method technique.Patent application CN
1062584C describes one kind using naphthenic base straight-run as raw material, using the method for single hop tandem process production white oil, the method
It is no more than 70mm with 40 DEG C of dynamic viscosities2The naphthenic base virgin oil of/s is raw material, using the catalysis containing molybdenum, nickel isoreactivity component
Agent can only produce technical white oil.Patent application CN 1160440C use solvent refining hydrocarbon ils for raw material, are added by hydrotreating-
Hydrogen refines-isomerization dewaxing-hydrofining flow, and hydrofinishing section uses identical noble metal with hydrofining section
Dual catalyst system can produce food-grade and medicinal grade white oil.This flow only hydrotreatment stage uses non-precious metal catalyst,
Other plus hydrogen section is all made of valuable noble metal catalyst, and cost of investment is higher.And this technique is for the high raw material of wax content
Effect is preferable, but is directed to naphthenic base fraction, especially heavy naphthenic base vacuum distillate, and effect can be decreased obviously.
Invention content
The object of the present invention is to provide a kind of preparation method of food-level white oil, the present invention adds hydrogen to urge using noble metal white oil
Agent, it is several beds that different acid strength catalyst load in hydrogenation reactor, and material passes sequentially through catalyst from top to bottom
Bed, the different reaction temperature of each catalyst bed zonal control, material outflow reactor enter flash column, flash off light component
Obtain food-level white oil product.
The preparation method of food-level white oil provided by the present invention, includes the following steps：
Naphthenic base white oil raw material is added into hydrogenation reactor, is arranged first in the hydrogenation reactor from top to bottom and urges
Agent bed and the second catalyst bed, the hydrogenation catalyst filled on second catalyst bed is than first catalyst
The acidity for the hydrogenation catalyst filled on bed is strong；
The naphthenic base white oil raw material flows through first catalyst bed from top to bottom and the second catalyst bed carries out
Hydrofinishing, most afterwards through flash distillation removal light component up to the food-level white oil.
In above-mentioned preparation method, the physicochemical property of the naphthenic base white oil raw material is as follows：
It is measured in 0725 methods of SH/T, CAValue is less than 5%；
It is measured in 0689 methods of SH/T, sulfur content is less than 10mg/kg；
It is measured in 0657 methods of SH/T, nitrogen content is less than 10mg/kg；
It is measured in 0753 methods of SH/T, arene content is less than 25%, concretely 18%；
The base oil etc. after various commercially available hydrogenated base oils, hydrotreating-pour point depression may be selected in the naphthenic base white oil raw material,
The especially higher naphthenic lube oil and base oil of arene content..
In above-mentioned preparation method, the active component of the hydrogenation catalyst is Pt and/or Pd, carrier Al2O3And/or
Amorphous silicon aluminium.
In above-mentioned preparation method, filled on first catalyst bed and second catalyst bed described plus
The volume ratio of hydrogen catalyst is 1：0.2~5.0, concretely 1：1~1.5,1：1 or 1：1.5.
Hydrogenation catalyst Pt/Pd/Al on first catalyst bed2O3With adding on second catalyst bed
The volume ratio of hydrogen catalyst Pt/Pd/ amorphous silicon aluminiums is 2：3；
Hydrogenation catalyst Pt/Pd/Al on first catalyst bed2O3With adding on second catalyst bed
Hydrogen catalyst Pt/Pd/Al2O3The volume ratio of/amorphous silicon aluminium is 1：2, wherein that is filled on second catalyst bed adds
Carrier Al in hydrogen catalyst2O3Volume ratio with amorphous silicon aluminium is 1：2.
In above-mentioned preparation method, the condition of the hydrofinishing is as follows：
Hydrogen partial pressure can be 12.0MPa~20.0MPa, concretely 15.0MPa~16.0MPa, 15.0MPa or 16.0MPa；
Volume space velocity can be 0.1h-1~1.5h-1, concretely 0.3h-1~0.5h-1、0.3h-1Or 0.5h-1；
Hydrogen to oil volume ratio can be 400~1000：1, concretely 400~500：1、400：1 or 500：1；
Zonal control reaction temperature in the hydrogenation reactor, the temperature of first catalyst bed can be 280 DEG C~
300 DEG C, concretely 280 DEG C~290 DEG C, 280 DEG C or 290 DEG C, the temperature of second catalyst bed can be 240 DEG C~
260 DEG C, concretely 240 DEG C~245 DEG C, 240 DEG C or 245 DEG C.
In above-mentioned preparation method, the light component refers to doing the naphtha cut less than 205 DEG C.
The food-level white oil that the above method of the present invention is prepared also belongs to protection scope of the present invention.
The present invention uses the grading of different acid strength noble metal white oil hydrogenation catalysts, zonal control reaction temperature in reactor
(temperature gradient distribution is presented in reactor interior reaction temperature to the White Oil Hydrofining Technology of degree, and there are the areas of relatively-high temperature and relative low temperature
Not, but W-response temperature is not high), catalyst white oil hydrogenation depth, the ability of effective Arene removal are greatly improved, especially
For the universal higher naphthenic base white oil raw material of arene content, the advantage that the method for the present invention has routine techniques incomparable.
Specific implementation mode
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Embodiment 1,
It is food-level white oil raw material to be moistened again with the hydrogenated base oil after naphthenic base distillate hydrogenation processing-hydro dewaxing, former
Material property is shown in Table 1.The noble metal white oil hydrogenation catalyst of two beds of filling in white oil hydrogenation reactor, first from top to bottom
Layer catalyst activity component is Pt, co-catalyst Pd, carrier Al2O3, the second bed catalyst active component is Pt, helps and urges
Agent is Pd, and carrier is amorphous silicon aluminium, and the first bed and the second bed catalyst volume ratio are 2：3, catalyst total volume is
300ml, raw material pass through two catalyst beds, and subsequent material flashes off light component by flash column and (does and be less than
205 DEG C of naphtha cut) obtain food-level white oil.White oil Hydroprocessing conditions are：Hydrogen partial pressure 15.0MPa, hydrogen to oil volume ratio
600：1, volume space velocity 0.5h-1, the first bed reaction temperature is 280 DEG C from top to bottom in reactor, the second bed reaction temperature
It is 240 DEG C.
Comparative example 1,
It is food-level white oil raw material to be moistened again with the hydrogenated base oil after naphthenic base distillate hydrogenation processing-hydro dewaxing, former
Material property is shown in Table 1.Using a kind of commercially available white oil hydrogenation catalyst, active component Pt, co-catalyst Pd, carrier Al2O3,
Catalyst packing is a bed, and catalyst volume 300ml, white oil Hydroprocessing conditions are：Hydrogen partial pressure 15.0MPa, hydrogen oil
Volume ratio 600：1, volume space velocity 0.5h-1, 240 DEG C of reaction temperature.By hydrogenation reactor-, that flash column obtains food-grade to raw material is white
Oil samples.
The embodiment of the present invention 1 and 1 white oil properties of samples of comparative example are shown in Table 2.
1 food-level white oil feedstock property of table
1 white oil properties of samples of 2 embodiment 1 of table and comparative example
As can be seen from Table 2, the method for the present invention is shown well for the higher naphthenic base hydrogenated base oil of arene content
Depth saturation aromatic hydrocarbons performance, the food-level white oil for meeting national standard can be obtained, relative to conventional White Oil Hydrofining Technology
The ultraviolet absorptivity numerical value of white oil sample obtained, the white oil that the method for the present invention is prepared is lower, and readily carbonizable substance experiment is logical
It crosses, embodies the creativeness of the method for the present invention.
Embodiment 2,
It is food-level white oil raw material to be moistened again with the hydrogenated base oil after naphthenic base distillate hydrogenation processing-hydro dewaxing, former
Material property is shown in Table 3.The noble metal white oil hydrogenation catalyst of two beds of filling in white oil hydrogenation reactor, first from top to bottom
Layer catalyst activity component is Pt, co-catalyst Pd, carrier Al2O3, the second bed catalyst active component is Pt, helps and urges
Agent is Pd, carrier Al2O3And amorphous silicon aluminium, two kinds of carrier bulk ratios are 1：2, two bed catalyst volume ratios are 1：
1, catalyst total volume is 300ml, and raw material passes through two catalyst beds, and subsequent material is flashed off by flash column
Light component (doing the naphtha cut less than 205 DEG C) obtains food-level white oil.White oil Hydroprocessing conditions are：Hydrogen partial pressure
16.0MPa, hydrogen to oil volume ratio 500：1, volume space velocity 0.3h-1, the first bed reaction temperature is 290 from top to bottom in reactor
DEG C, the second bed reaction temperature is 245 DEG C.
Comparative example 2,
It is food-level white oil raw material to be moistened again with the hydrogenated base oil after naphthenic base distillate hydrogenation processing-hydro dewaxing, former
Material property is shown in Table 3.Using a kind of commercially available white oil hydrogenation catalyst, active component Pt, co-catalyst Pd, carrier is unformed
Sial, Catalyst packing are a bed, and catalyst volume 300ml, white oil Hydroprocessing conditions are：Hydrogen partial pressure 16.0MPa,
Hydrogen to oil volume ratio 500：1, volume space velocity 0.3h-1, 245 DEG C of reaction temperature.Raw material obtains food by hydrogenation reactor-flash column
Grade white oil sample.
Embodiment 2 and 2 white oil properties of samples of comparative example are shown in Table 4.
3 food-level white oil feedstock property of table
2 white oil properties of samples of 4 embodiment 2 of table and comparative example
As can be seen from Table 3, the method for the present invention is shown excellent for the higher naphthenic base hydrogenated base oil of arene content
Depth saturation aromatic hydrocarbons performance, the food-level white oil for meeting national standard can be obtained, relative to conventional White Oil Hydrofining Technology
The ultraviolet absorptivity numerical value of white oil sample obtained, the white oil that the method for the present invention is prepared is lower, and readily carbonizable substance experiment is logical
It crosses, embodies the creativeness of the method for the present invention.
Claims (6)
1. a kind of preparation method of food-level white oil, includes the following steps：
Naphthenic base white oil raw material is added into hydrogenation reactor, the first catalyst is set from top to bottom in the hydrogenation reactor
Bed and the second catalyst bed, the hydrogenation catalyst filled on second catalyst bed is than first catalyst bed
The acidity of the hydrogenation catalyst of upper filling is strong；
In first catalyst bed and the second catalyst bed, the active component of the hydrogenation catalyst is Pt and/or Pd；The
The carrier of one catalyst bed hydrogenation catalyst is Al2O3, the carrier of the second catalyst bed hydrogenation catalyst is amorphous silicon aluminium
And Al2O3Mixture or amorphous silicon aluminium；
The naphthenic base white oil raw material flows through first catalyst bed from top to bottom and the second catalyst bed carries out plus hydrogen
It is refined, most afterwards through flash distillation removal light component up to the food-level white oil；
The temperature of first catalyst bed is 280 DEG C~300 DEG C, the temperature of second catalyst bed is 240 DEG C~
260℃。
2. preparation method according to claim 1, it is characterised in that：The physicochemical property of the naphthenic base white oil raw material is such as
Under：
CAValue is less than 5%；
Sulfur content is less than 10mg/kg；
Nitrogen content is less than 10mg/kg；
Arene content is less than 25%.
3. preparation method according to claim 1 or 2, it is characterised in that：First catalyst bed and described second
The volume ratio for the hydrogenation catalyst filled on catalyst bed is 1：0.2~5.0.
4. preparation method according to claim 1 or 2, it is characterised in that：The condition of the hydrofinishing is as follows：
Hydrogen partial pressure is 12.0MPa~20.0MPa；
Volume space velocity is 0.1h-1~1.5h-1；
Hydrogen to oil volume ratio is 400~1000：1.
5. preparation method according to claim 1 or 2, it is characterised in that：The light component refers to doing less than 205 DEG C
Naphtha cut.
6. food-level white oil prepared by any one of claim 1-5 the methods.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897671B (en) * | 2017-12-11 | 2021-04-30 | 中国石油天然气股份有限公司 | Preparation method of food-grade white oil |
| CN108865256A (en) * | 2018-07-23 | 2018-11-23 | 榆林红石化工有限公司 | A kind of preparation method of easy emulsification content of wax white oil |
| CN111073698B (en) * | 2018-10-18 | 2021-12-17 | 中国海洋石油集团有限公司 | Production method of food-grade white oil with low pour point and cloud point and food-grade white oil |
| CN110012955A (en) * | 2019-04-28 | 2019-07-16 | 安徽乐氏食品有限公司 | A kind of pure rouge sugar-free has antioxidant and anti-aging dark chocolate bar preparation method |
| CN116410783B (en) * | 2021-12-31 | 2024-10-15 | 中国石油天然气股份有限公司 | Hydrogenation method for producing food-grade white oil |
| CN115591483B (en) * | 2022-12-15 | 2023-04-07 | 东营市俊源石油技术开发有限公司 | Food-grade white oil hydrogenation preparation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3392112A (en) * | 1965-03-11 | 1968-07-09 | Gulf Research Development Co | Two stage process for sulfur and aromatic removal |
| US4055481A (en) * | 1976-07-23 | 1977-10-25 | Pennzoil Company | Two-stage process for manufacture of white oils |
| CN1178824A (en) * | 1996-10-09 | 1998-04-15 | 中国石油化工总公司抚顺石油化工研究院 | Producing white oil by hydrogenation |
| CN101089136A (en) * | 2006-06-16 | 2007-12-19 | 中国石油化工股份有限公司 | White oil producing hydrofining process |
| CN101747937A (en) * | 2008-12-17 | 2010-06-23 | 中国石油天然气股份有限公司 | Method for preparing food-grade naphthenic white oil by using noble metal aromatic saturated catalyst |
| CN104910963A (en) * | 2015-05-21 | 2015-09-16 | 洛阳金达石化有限责任公司 | Method for producing food-grade white oil with atmospheric-vacuum extraction oil |
-
2016
- 2016-11-16 CN CN201611017099.1A patent/CN106753550B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3392112A (en) * | 1965-03-11 | 1968-07-09 | Gulf Research Development Co | Two stage process for sulfur and aromatic removal |
| US4055481A (en) * | 1976-07-23 | 1977-10-25 | Pennzoil Company | Two-stage process for manufacture of white oils |
| CN1178824A (en) * | 1996-10-09 | 1998-04-15 | 中国石油化工总公司抚顺石油化工研究院 | Producing white oil by hydrogenation |
| CN101089136A (en) * | 2006-06-16 | 2007-12-19 | 中国石油化工股份有限公司 | White oil producing hydrofining process |
| CN101747937A (en) * | 2008-12-17 | 2010-06-23 | 中国石油天然气股份有限公司 | Method for preparing food-grade naphthenic white oil by using noble metal aromatic saturated catalyst |
| CN104910963A (en) * | 2015-05-21 | 2015-09-16 | 洛阳金达石化有限责任公司 | Method for producing food-grade white oil with atmospheric-vacuum extraction oil |
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