CN105709862A - Method for removing oil dirt on surfaces of solid particles and recycling solvents - Google Patents
Method for removing oil dirt on surfaces of solid particles and recycling solvents Download PDFInfo
- Publication number
- CN105709862A CN105709862A CN201410742448.0A CN201410742448A CN105709862A CN 105709862 A CN105709862 A CN 105709862A CN 201410742448 A CN201410742448 A CN 201410742448A CN 105709862 A CN105709862 A CN 105709862A
- Authority
- CN
- China
- Prior art keywords
- extraction tube
- solid particles
- extraction
- siphon
- greasy dirt
- 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.)
- Pending
Links
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a method for removing oil dirt on the surfaces of solid particles and recycling solvents. The method includes that branches of siphon pipes are connected according to the heights of the filling solid particles or the filling catalysts; the heights of the siphon pipes are adjusted so that liquid level heights of extraction pipes can be controlled; the heights of the upper portions of the siphon pipes are slightly higher than filling heights of extract; extraction bottles are heated until the solvents for extract liquid are boiled; extract liquid steam generated in the extraction bottles can flow into the extraction pipes via steam pipes; the extract liquid in the extraction bottles is distilled, so that the extraction pipes can be filled with the extract liquid; the solid particles can be soaked in the extract liquid; the extract liquid can flow into the extract bottles via the siphon pipes when the liquid level heights of the extract liquid in the extraction pipes are higher than the heights of the uppermost ends of the siphon pipes, so that complete suction filtration can be implemented; the oil dirt on the surfaces of the solid particles can be removed by means of repeatedly carrying out steps of the method. The method has the advantages that the oil dirt on the surfaces of the solid particles can be quickly and efficiently extracted, the solvents can be quickly recycled, and accordingly wastage of solvent resources for the extract liquid and environmental pollution due to emission can be prevented.
Description
Technical field
The present invention relates to a kind of waste and old solid particles surface oily waste treatment method of removal, particularly relate to the processing method efficiently removing waste and old solid catalyst surface greasy dirt, the method simultaneously having recycling design concurrently.
Background technology
Catalyst plays an important role in petroleum chemical industry, and catalyst is usually constructed with expected service life.All can split out from commercial plant after expected service life reaches, it will usually the waste and old solid catalyst taken apart is carried out deactivation cause anatomy, is beneficial to continuously improve catalyst.In order to dissect waste and old solid catalyst deactivation cause better, typically require its surface and oil contaminant of removing, and for the catalyst of processing reduced crude, decompression residuum, wax tailings or various heavy oil, it does not have pertinent literature and patent report remove the method for its surface and oil contaminant effectively.
Need to use soxhlet type technology and corresponding extraction solvent in removing waste and old solid catalyst surface greasy dirt.
Soxhlet type technology is widely used in the fields such as petrochemical industry, medication chemistry, food chemistry and natural materials extraction.Existing patented technology discloses following several respects soxhlet type technology: ZL200920211807.1 discloses a kind of Soxhlet extractor with metal sintering cartridge filter, replaces traditional filtration paper cylinder problem；Patent ZL201220353420.4 discloses the not breakable Soxhlet extractor of one, is design siphon and steam pipe in side, but actual effect is inconspicuous；Patent ZL201320421521.5 discloses a kind of Soxhlet extractor that can facilitate recycling design, and leakage fluid dram design is on the lower side in the middle part of extraction tube, can only solve partial solvent and reclaim problem.Although what have in existing disclosed document and patent report considers solvent recovery problem, but all without considering to improve extraction efficiency problem, on the other hand for processing in waste and old surface of solids greasy dirt, have substantial amounts of greasy dirt dissolve in extraction solvent and sink to bottom, in Soxhlet extractor technology, extracting spent catalyst also can infiltrate in the bottom greasy dirt of Soxhlet drawer device, causes spent catalyst again contaminated.
In existing soxhlet type technology, also without introducing the extraction solvent effectively removing waste and old solid catalyst surface greasy dirt.
Summary of the invention
Present invention aim at providing a kind of method removing solid particles surface greasy dirt and recycling design, the problem low to solve prior art extraction efficiency.
For achieving the above object, the present invention provides a kind of method removing solid particles surface greasy dirt and recycling design, uses Soxhlet extractor and extracting solution solvent to be stripped, including:
Step 1: be placed on fixed support 10 by object stage 9 in extraction tube 1, then extraction tube lower interface 12 is arranged on extraction flask 5, is then put in gauze bag, muslin bag or Fibre Bag by solid particle, is then placed on object stage by sack；
Step 2: connect the split 4 of siphon 3 according to the height of filling solid granule or spent catalyst, control extraction tube liquid level by adjusting described siphonal height, makes the described siphon upper height filling height slightly above extract；
Step 3: described extraction tube top and bottom are covered tightly, fixing tight by retainer ring 7, then extraction tube upper interface 11 is connected on condenser 6, extraction tube bottom is connected on extraction flask；
Step 4: the water inlet 13 of described condenser and outlet 14 are passed into cooling water, then adds extracting solution solvent in extraction flask；
Step 5: extraction flask is heated, heat to the boiling of extracting solution solvent, the extracting solution steam generated in described extraction flask will pass through steam pipe 2 and enter extraction tube, extracting solution in described extraction flask is distilled in extraction tube, solid particle will be immersed in extracting solution, when in extraction tube, extracting solution liquid level is higher than siphonal the top height, extracting solution will pass through siphon and enter in extraction flask, achieve once complete sucking filtration, realize the removal to solid particles surface greasy dirt so back and forth.
Described removal solid particles surface greasy dirt and the method for recycling design, in step 2, the liquid level in described extraction tube adjusts by described siphon height, by adjusting partial installation number, it is achieved different siphonal setting height(from bottom)s.
In described removal solid particles surface greasy dirt and the method for recycling design, described extracting solution solvent be initial boiling point be not less than 50 DEG C, the end point of distillation be not more than the organic solvent of 300 DEG C.
In described removal solid particles surface greasy dirt and the method for recycling design, one or more in atmospheric distillate, petroleum ether, alkane, benzene, substituted benzene, ketone, alcohol of described organic solvent.
In described removal solid particles surface greasy dirt and the method for recycling design, one or more in Petroleum, gasoline and kerosene of atmospheric distillate, alkane is not more than one or more alkane of 16 selected from carbon number, one or more in acetone, methyl ethyl ketone, butanone of ketone, one or more in methanol, ethanol, propanol, butanol, Methylethyl alcohol of alcohol.
In described removal solid particles surface greasy dirt and the method for recycling design, described extraction tube has upper and lower two parts to constitute, the upper and lower two parts of described extraction tube are fixed by retainer ring, described extraction tube top is its upper cover, ovalize, extraction tube upper interface is connected with condenser, and described extraction tube bottom is extraction tube main body, extraction tube lower interface is connected with extraction flask, and described extraction tube lower interface and extraction tube main body are not communicated with.
In described removal solid particles surface greasy dirt and the method for recycling design, You Liangge bottom, described siphon bottom, wherein a bottom is fixing with described extraction tube bottom is connected, another bottom and described extraction tube lower interface are fixedly linked, and described siphon top is connected and composed by least one detachable split.
In described removal solid particles surface greasy dirt and the method for recycling design, the position, middle and lower part within described extraction tube is provided with fixed support, for placing object stage with holes.
In described removal solid particles surface greasy dirt and the method for recycling design, the material of described Soxhlet extractor is made up of glass or quartz.
In described removal solid particles surface greasy dirt and the method for recycling design, described siphon and described steam pipe design not homonymy.
In described removal solid particles surface greasy dirt and the method for recycling design, described discharging tube and described siphon being fused to one, discharging tube is positioned at siphon bottom, and discharging tube is arranged on extraction tube bottom.
The removal solid particles surface greasy dirt of the present invention and the method for recycling design, existing soxhlet type technology is improved and is prepared the extraction solvent being suitable for removing waste and old solid catalyst surface greasy dirt, reach efficiently and rapidly to remove the purpose of waste and old solid catalyst surface greasy dirt, more effective with the process of waste and old solid catalyst in chemical field particularly with oil refining, extracting solution solvent can also be reclaimed effectively easily simultaneously, avoid causing the waste of extracting solution solvent resource and because discharging the environmental pollution caused, reach efficiently to utilize the purpose of resource, and it is simple to operate in the invention process process.
Accompanying drawing explanation
Fig. 1 is the Soxhlet extractor structural representation of the present invention；
Fig. 2 is the structural representation of siphon split of the present invention；
Fig. 3 is the structural representation of retainer ring of the present invention；
Fig. 4 is the structural representation of discharging tube of the present invention；
Fig. 5 is the structural representation of object stage of the present invention.
Wherein, accompanying drawing labelling:
1-extraction tube
2-steam pipe
3-siphon
4-split
5-extraction flask
6-condenser
7-retainer ring
8-discharging tube
9-object stage
10-fixed support
11-extraction tube upper interface
12-extraction tube lower interface
13-water inlet
14-outlet
Detailed description of the invention
Fig. 1 is the Soxhlet extractor structural representation of the present invention, and Fig. 2 is the structural representation of siphon split of the present invention；Fig. 3 is the structural representation of retainer ring of the present invention；Fig. 4 is the structural representation of discharging tube of the present invention；Fig. 5 is the structural representation of object stage of the present invention, as it is shown in figure 1, the present invention provides a kind of method removing solid particles surface greasy dirt and recycling design, uses Soxhlet extractor and extracting solution solvent to be stripped, including:
Step 1: be placed on fixed support 10 by object stage 9 in extraction tube 1, then extraction tube lower interface 12 is arranged on extraction flask 5, is then put in gauze bag, muslin bag or Fibre Bag by solid particle, is then placed on object stage by sack；
Step 2: connect the split 4 of siphon 3 according to the height of filling solid granule or spent catalyst, control extraction tube liquid level by adjusting described siphonal height, makes the described siphon upper height filling height slightly above extract；
Step 3: described extraction tube top and bottom are covered tightly, fixing tight by retainer ring 7, then extraction tube upper interface 11 is connected on condenser 6, extraction tube bottom is connected on extraction flask；
Step 4: the water inlet 13 of described condenser and outlet 14 are passed into cooling water, then adds extracting solution solvent in extraction flask；
Step 5: extraction flask is heated, heat to the boiling of extracting solution solvent, the extracting solution steam generated in described extraction flask will pass through steam pipe 2 and enter extraction tube, extracting solution in described extraction flask is distilled in extraction tube, solid particle will be immersed in extracting solution, when in extraction tube, extracting solution liquid level is higher than siphonal the top height, extracting solution will pass through siphon and enter in extraction flask, achieve once complete sucking filtration, realize the removal to solid particles surface greasy dirt so back and forth.
Described removal solid particles surface greasy dirt and the method for recycling design, in step 2, the liquid level in described extraction tube adjusts by described siphon height, by adjusting partial installation number, it is achieved different siphonal setting height(from bottom)s.
In described removal solid particles surface greasy dirt and the method for recycling design, described extracting solution solvent be initial boiling point be not less than 50 DEG C, the end point of distillation be not more than the organic solvent of 300 DEG C.
In described removal solid particles surface greasy dirt and the method for recycling design, one or more in atmospheric distillate, petroleum ether, alkane, benzene, substituted benzene, ketone, alcohol of described organic solvent.
In described removal solid particles surface greasy dirt and the method for recycling design, one or more in Petroleum, gasoline and kerosene of atmospheric distillate, alkane is not more than one or more alkane of 16 selected from carbon number, one or more in acetone, methyl ethyl ketone, butanone of ketone, one or more in methanol, ethanol, propanol, butanol, Methylethyl alcohol of alcohol.
In described removal solid particles surface greasy dirt and the method for recycling design, described extraction tube 1 has upper and lower two parts to constitute, described upper and lower two parts of extraction tube 1 are fixed by retainer ring 7, described extraction tube top is its upper cover, ovalize, extraction tube upper interface 11 is connected with condenser 6, and described extraction tube bottom is extraction tube main body, extraction tube lower interface 12 is connected with extraction flask 5, and described extraction tube lower interface 12 is not communicated with extraction tube main body.
In described removal solid particles surface greasy dirt and the method for recycling design, You Liangge bottom, described siphon 3 bottom, wherein a bottom is fixing with described extraction tube 5 bottom is connected, another bottom and described extraction tube lower interface 12 are fixedly linked, and described siphon 3 top is connected and composed by least one detachable split 4 such as Fig. 2.
In described removal solid particles surface greasy dirt and the method for recycling design, the position, middle and lower part within described extraction tube is provided with fixed support 10, for placing object stage 9 such as Fig. 5 with holes.
In described removal solid particles surface greasy dirt and the method for recycling design, the material of described Soxhlet extractor is made up of glass or quartz.
In described removal solid particles surface greasy dirt and the method for recycling design, described siphon 3 and described steam pipe 2 design not homonymy.
In described removal solid particles surface greasy dirt and the method for recycling design, with described siphon 3, described discharging tube 8 being fused to one, discharging tube 8 is positioned at siphon 3 bottom, and discharging tube 8 is arranged on extraction tube 1 bottom.The structural representation of discharging tube 8 such as Fig. 4.
In Fig. 1, extraction tube 1 is to be made up of upper and lower two parts, extraction tube top is its upper cover, ovalize, extraction tube upper interface is connected with condenser 6, and condenser sets into the mouth of a river and outlet, and extraction tube bottom is its body extraction tube main body, for loading extract, extraction tube lower interface is connected with extraction flask 5, and extraction tube lower interface and extraction tube main body are not communicated with, and extraction tube upper and lower is fixed such as Fig. 3 by retainer ring 7；Steam pipe 2 bottom is connected with cervical region under extraction tube, and steam pipe top is connected with extraction tube body；Siphon 3 has two fixing bottoms and detachable split to constitute, and a bottom is fixing with extraction tube bottom to be connected, and another bottom of siphon is fixedly linked with cervical region under extraction tube, and siphon is formed by connecting by multiple splits 4；Fixed support 10 is arranged at extraction tube body bottom, and fixed support 10 is placed object stage 9 with holes；Discharging tube 8 is connected to siphon foot.
Wherein, extraction tube 1 is used for loading extract, and extract is carried out deoiling by extracting solution in extraction tube；The extracting solution steam that extraction flask is generated by steam pipe 2 imports in extraction tube；Siphon 3 is highly used for determining extracting solution backflow height in extraction tube, and liquid level is higher than after siphon topmost height, and extracting solution is just back in extraction flask；Siphonal split 4: by connecting multiple split, it is achieved siphon has differing heights；Extraction flask 5 is used for filling extracting solution；Condenser 6 is used for condensing extracting solution steam；Fixation clamp 7 is for fixed extraction pipe upper and lower part；Discharging tube 8 is used for reclaiming extracting solution solvent；Object stage 9 is used for placing fixed support 10, and fixed support is placed extract.
Embodiment 1
The using method of Soxhlet extractor in the summary present invention.
Extractive process: first object stage 9 in extraction tube 1 is placed on fixed support 10, then extraction tube lower interface 12 is arranged on extraction flask 5, then solid particle is put into gauze bag, in muslin bag or Fibre Bag, then sack is placed on object stage, then multiple splits 4 of siphon 3 are connected according to the height of filling solid granule or spent catalyst, make the siphon upper height filling height slightly above extract, then extraction tube top and bottom are covered tightly, fixing tight by retainer ring 7, then extraction tube upper interface 11 is connected on condenser 6, then the water inlet 13 of condenser and outlet 14 are passed into cooling water, then add in extraction flask for extracting solution solvent, extraction flask is heated, heat to the boiling of extracting solution solvent, the extracting solution steam generated in extraction flask will pass through steam pipe 2 and enter extraction tube, extracting solution in extraction flask is distilled in extraction tube, solid particle will be immersed in extracting solution, when in extraction tube, extracting solution liquid level is higher than siphonal the top height, extracting solution will pass through siphon and enter in extraction flask, achieve once complete sucking filtration, achieve that the extracting effectively of solid particles surface greasy dirt so back and forth, solid particles surface is carried out scrubbing.
Liquid level in extraction tube adjusts by siphon height, and when liquid level is higher than siphon the top, liquid will pass through siphon and enter in extraction flask.After the solid particle degreased is loaded in extraction tube, just there is the filling height of solid particle, then pass through the multiple partial installation numbers of adjustment, realize different siphonal setting height(from bottom), when the height of solid particle during siphon height is slightly above extraction tube, the reflow's cycle of extracting solution will be increased, be also increased by extraction efficiency.
Solvent recovery process: treat that solid particles surface greasy dirt extracting terminates, from extractor, take out solid particle, then extractor is connected, extraction flask is heated, extracting solution solvent enters extraction flask, just can realize the recycling of solvent by releasing extracting solution solvent several times from discharging tube 8.
Embodiment 2
After Soxhlet extractor each several part connects, after the waste and old wax oil hydrogenation catalyst gauze bag parcel of 200ml will be entered, put in the Soxhlet extractor of the present invention, the extracting solution solvent of 1L is added in this extractor, this solvent is gasoline, Soxhlet extractor is heated, and is stripped, and after extracting, sample is dry in the vacuum drying oven of 300 DEG C.
Embodiment 3
It is 1:1 the difference is that the extraction solvent added is toluene and acetone mixed solution toluene with acetone volume ratio with example 2.
Embodiment 4
It is 1:1 the difference is that the extraction solvent added is toluene and alcohol mixed solution toluene with ethanol volume ratio with example 2.
Embodiment 5
It is 7:3 the difference is that the extraction solvent added is toluene and alcohol mixed solution toluene with ethanol volume ratio with example 2.
Embodiment 6
With example 2 the difference is that the extraction solvent added is Petroleum.
Embodiment 7
With example the difference is that the extraction solvent added is kerosene, this kerosene end point of distillation is 300 DEG C.
Embodiment 8
With example the difference is that the extraction solvent added is hexamethylene.
Table 1 different solvents extraction rate was acquired
The effect of Soxhlet extractor is in that by the present invention: the design of siphon pipes of level altitude is become the siphon being formed by connecting by multiple splits, siphonal height can be adjusted according to the height loading extract in extraction tube, in the identical time, extracting increased frequency, reach efficiently to remove the purpose of solid particles surface greasy dirt, make extraction efficiency be improved；Annular fixed support is set in position, extraction tube middle and lower part, for placing circular stage, extract is positioned on object stage, avoid extract in extractive process directly to contact with the oil-containing dirt under extraction tube bottom deposit, also arrive at the purpose efficiently removing surface of solids greasy dirt, make extraction efficiency improve further.Discharging tube and siphon are fused to one, and discharging tube is positioned at siphon bottom, is beneficial to and reclaims extraction solvent efficiently.
Certainly; the present invention also can have other various embodiments; when without departing substantially from present invention spirit and essence thereof, those of ordinary skill in the art can make various corresponding change and deformation according to the present invention, but these change accordingly and deform the protection domain that all should belong to the claims in the present invention.
Claims (11)
1. the method removing solid particles surface greasy dirt and recycling design, uses Soxhlet extractor and extracting solution solvent to be stripped, it is characterised in that to include:
Step 1: object stage (9) in extraction tube (1) is placed on fixed support (10), then described extraction tube lower interface (12) is arranged on extraction flask (5), then solid particle is put in gauze bag, muslin bag or Fibre Bag, then sack is placed on object stage；
Step 2: connect the split (4) of siphon (3) according to the height of filling solid granule or catalyst; control extraction tube liquid level by adjusting described siphonal height, make the described siphon upper height filling height slightly above extract；
Step 3: described extraction tube top and bottom are covered tightly, fixing tight by retainer ring (7), then described extraction tube upper interface (11) is connected on condenser (6), described extraction tube bottom is connected on extraction flask；
Step 4: the water inlet (13) of described condenser and outlet (14) are passed into cooling water, then adds extracting solution solvent in described extraction flask；
Step 5: described extraction flask is heated, heat to the boiling of extracting solution solvent, the extracting solution steam generated in described extraction flask will pass through steam pipe (2) and enter described extraction tube, extracting solution in described extraction flask is distilled in described extraction tube, solid particle will be immersed in extracting solution, when in described extraction tube, extracting solution liquid level is higher than described siphonal the top height, described extracting solution will pass through described siphon and enter in described extraction flask, achieve once complete sucking filtration, realize the removal to solid particles surface greasy dirt so back and forth.
2. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterized in that, in step 2, the liquid level in described extraction tube adjusts by described siphon height, by adjusting partial installation number, it is achieved different siphonal setting height(from bottom)s.
3. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterised in that described extracting solution solvent be initial boiling point be not less than 50 DEG C, the end point of distillation be not more than the organic solvent of 300 DEG C.
4. the method for removal solid particles surface greasy dirt according to claim 3 and recycling design, it is characterised in that one or more in atmospheric distillate, petroleum ether, alkane, benzene, substituted benzene, ketone, alcohol of described organic solvent.
5. the method for removal solid particles surface greasy dirt according to claim 4 and recycling design, it is characterized in that, one or more in Petroleum, gasoline and kerosene of atmospheric distillate, alkane is not more than one or more alkane of 16 selected from carbon number, one or more in acetone, methyl ethyl ketone, butanone of ketone, one or more in methanol, ethanol, propanol, butanol, Methylethyl alcohol of alcohol.
6. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterized in that, described extraction tube has upper and lower two parts to constitute, the upper and lower two parts of described extraction tube are fixed by retainer ring, and described extraction tube top is its upper cover, ovalize, extraction tube upper interface is connected with condenser, described extraction tube bottom is extraction tube main body, and extraction tube lower interface is connected with extraction flask, and described extraction tube lower interface and extraction tube main body are not communicated with.
7. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterized in that, You Liangge bottom, described siphon bottom, wherein a bottom is fixing with described extraction tube bottom is connected, another bottom and described extraction tube lower interface are fixedly linked, and described siphon top is connected and composed by least one detachable split.
8. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterised in that the position, middle and lower part within described extraction tube is provided with fixed support, for placing object stage with holes.
9. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterised in that the material of described Soxhlet extractor is made up of glass or quartz.
10. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterised in that described siphon and described steam pipe design not homonymy.
11. the method for removal solid particles surface greasy dirt according to claim 1 and recycling design, it is characterized in that, described discharging tube and described siphon are fused to one, and described discharging tube is positioned at described siphon bottom, and described discharging tube is arranged on described extraction tube bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742448.0A CN105709862A (en) | 2014-12-05 | 2014-12-05 | Method for removing oil dirt on surfaces of solid particles and recycling solvents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742448.0A CN105709862A (en) | 2014-12-05 | 2014-12-05 | Method for removing oil dirt on surfaces of solid particles and recycling solvents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105709862A true CN105709862A (en) | 2016-06-29 |
Family
ID=56144457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410742448.0A Pending CN105709862A (en) | 2014-12-05 | 2014-12-05 | Method for removing oil dirt on surfaces of solid particles and recycling solvents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105709862A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909220Y (en) * | 2006-06-14 | 2007-06-06 | 大连市产品质量监督检验所 | Fat extractor |
| CN201188065Y (en) * | 2008-04-11 | 2009-01-28 | 上海信谊百路达药业有限公司 | Fat extractor |
| CN201899899U (en) * | 2010-12-20 | 2011-07-20 | 西北师范大学 | Soxhlet extractor capable of easily recycling solvent and sampling |
| CN102451774A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Method for regenerating inactivated hydrotreating catalyst |
-
2014
- 2014-12-05 CN CN201410742448.0A patent/CN105709862A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909220Y (en) * | 2006-06-14 | 2007-06-06 | 大连市产品质量监督检验所 | Fat extractor |
| CN201188065Y (en) * | 2008-04-11 | 2009-01-28 | 上海信谊百路达药业有限公司 | Fat extractor |
| CN102451774A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Method for regenerating inactivated hydrotreating catalyst |
| CN201899899U (en) * | 2010-12-20 | 2011-07-20 | 西北师范大学 | Soxhlet extractor capable of easily recycling solvent and sampling |
Non-Patent Citations (1)
| Title |
|---|
| 何志成等编: "《制剂单元操作与制剂工程设计》", 31 December 2005, 中国医药科技出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6964763B2 (en) | Oil-impregnated discharge catalyst treatment and sorting and reuse methods and equipment | |
| CN106833736A (en) | A kind of method of waste oil regeneration base oil | |
| US20080011597A1 (en) | Closed system for continuous removal of ethanol and other compounds | |
| CN105569629B (en) | A kind of oil field mining liquid divides water and water treatment facilities on the spot | |
| WO2019201314A1 (en) | Method and device for treating oily aqueous substance | |
| CN102949866B (en) | Oil removal method for petrochemical emulsified process water | |
| JP2020517802A (en) | Oil purification | |
| CN105316018B (en) | A kind of coal tar deep processing preprocess method | |
| AU2013346096B2 (en) | Refined-coal production method, and refined-coal production device | |
| CN207856376U (en) | A kind of Soxhlet extractor | |
| CN105709862A (en) | Method for removing oil dirt on surfaces of solid particles and recycling solvents | |
| CN102757813A (en) | Crude oil processing unit containing electro-desalted sewage oil remover and method of crude oil processing unit | |
| CN202201853U (en) | Recovery device for polymer polyether polyol reaction solvent | |
| CN204111441U (en) | A kind of oil removing iron removal filter system | |
| CN105733643A (en) | Method for extracting oil sand bitumen by using organic solvent | |
| CN206814441U (en) | A kind of processing equipment of electric field acceleration extract and separate oil-polluted water | |
| CN109111011A (en) | A kind of waste emulsified mixture innocuity disposal system and demulsifier | |
| CN208562091U (en) | A kind of resource utilization processing unit of oily sludge | |
| CN106000478A (en) | Recycling method of slurry-bed hydrocracking catalyst for heavy oil | |
| CN108929008A (en) | A kind of sludge anhydration burning device | |
| CN101626817A (en) | Handle the method and apparatus of fatty waste | |
| CN202297544U (en) | Waste oil regeneration device provided with electric dehydrator | |
| RU85900U1 (en) | INSTALLATION FOR REGENERATION OF WASTE INDUSTRIAL OILS | |
| JPS62197103A (en) | Apparatus for treating oil-containing sludge | |
| CN203048722U (en) | Recycling system for light oil in residual ammonia water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
|
| RJ01 | Rejection of invention patent application after publication |