CN106950332B - A kind of high temperature and pressure catalytic hydrogenation device - Google Patents
A kind of high temperature and pressure catalytic hydrogenation device Download PDFInfo
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- CN106950332B CN106950332B CN201710183337.4A CN201710183337A CN106950332B CN 106950332 B CN106950332 B CN 106950332B CN 201710183337 A CN201710183337 A CN 201710183337A CN 106950332 B CN106950332 B CN 106950332B
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- reaction
- reaction tube
- hydrogen
- catalytic hydrogenation
- high temperature
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- 238000009903 catalytic hydrogenation reaction Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 81
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000001257 hydrogen Substances 0.000 claims abstract description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 71
- 239000010453 quartz Substances 0.000 claims description 23
- 239000003708 ampul Substances 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 21
- 210000002268 wool Anatomy 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 3
- 239000003738 black carbon Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 239000005427 atmospheric aerosol Substances 0.000 description 2
- 229910021386 carbon form Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000090 biomarker Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012962 cracking technique Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000946 thermophotometry Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
Abstract
A kind of high temperature and pressure catalytic hydrogenation device, including sequentially connected reaction tube, flue, reaction collecting pipe, vacuum pump；The reaction tube is sealed tube body, and the hydrogen reaction tube for being internally provided with sample cell and being arranged in below sample cell is equipped with heating furnace in the periphery of reaction tube, further includes cold-trap collector, the reaction collecting pipe is placed in cold-trap collector.Advantage is to remove steel cylinder to pressurize for hydrogen and air compressor machine, safe and reliable easy to operate, simple for structure, and easy to operate, at low cost, reaction efficiency is high.
Description
Technical field
The present invention relates to catalytic hydrogenation cracking apparatus technical field, specially a kind of high temperature and pressure catalytic hydrogenation device.
Background technique
Catalytic hydrogenation cracking technique (HyPy) is that it is real to carry out temperature programming cracking by catalysis under high pressure hydrogen stream mode
It tests, to separate the different carbon component of the stability in sample.It is usually used in extracting the biology of Covalent bonding together in kerogen at present
Marker compounds, and determining, palaeosedimentary environment sentences knowledge and OIL SOURCE CORRELATION etc. applied to source rock organic matter source of students.Concrete application is ground
Studying carefully has: immature Covalent bonding together molecule and the comparison of free state molecule into middle high evolution stage completely serial kerogen are ground
Study carefully；The comparative study of Covalent bonding together molecule and free state molecule in different evolution grade solid asphalts；Different evolution grade mirrors
The comparative study of Covalent bonding together molecule and free state molecule in coal；And different experimental conditions are to discharged biological marker chemical combination
The influence etc. of object.But HyPy for carbon separation black in surrounding medium research compared to less, reason may be do not set up also it is corresponding
Maturation method.By taking the black carbon separation in atmospheric aerosol as an example, with conventional separation methods (such as: CTO375 method, thermophotometry etc.)
Carbon coking problem can all occur in high temperature, this will lead to it14The result of C measurement is not accurate enough for source resolution.And HyPy is this
High pressure hydrogen also original system reduces the possibility that organic carbon forms black carbon due to coking, reduces interference to analyze its content.Therefore
Method of the HyPy for carbon separation black in surrounding medium is developed, to make it be applied to atmospheric aerosol, soil and deposit
The research of black carbon in equal surrounding mediums.Such as: EC (elemental carbon) in atmosphere carbonaceous aerosol source, this high pressure are separated by HyPy
Hydrogen reducing system reduces the possibility that organic carbon forms EC due to coking, reduces interference to analyze the content of EC.Make EC's14It is more acurrate that C measuring method carries out atmosphere carbonaceous aerosol source parsing result.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned prior art, a kind of simple for structure, easy to operate, cost is provided
Low, high-efficient high temperature and pressure catalytic hydrogenation device.
The present invention is achieved through the following technical solutions:
A kind of high temperature and pressure catalytic hydrogenation device, including sequentially connected reaction tube, flue, reaction collecting pipe, vacuum
Pump；The reaction tube forms sealed tube body by both ends construction of switch, is internally provided with sample cell and is arranged under sample cell
The hydrogen reaction tube of side is equipped with heating furnace in the periphery of reaction tube, further includes cold-trap collector, the reaction collecting pipe is placed in
In cold-trap collector as an improvement of the above scheme, the both ends construction of switch be by stainless steel sealing fill in split mouth into
Row sealing；The opening is sized for passing through for the sample cell and hydrogen reaction tube.
As an improvement of the above scheme, the sample cell include the first quartz ampoule, inside the first quartz ampoule from up to
Under be followed successively by silica wool, sample position, silica wool, the first quartz ampoule is fixed at the reaction position of reaction tube.
As an improvement of the above scheme, it is equipped with the second quartz ampoule inside the reaction collecting pipe, in the second quartz ampoule
Inside is followed successively by silica wool, adsorption silica gel, silica wool from top to bottom, and the second quartz ampoule is fixed at the reaction of reaction collecting pipe
Collect position.
As an improvement of the above scheme, it is reacted by excessive aluminium powder with gauge water in the hydrogen reaction tube and generates hydrogen
Gas.
As an improvement of the above scheme, the heating furnace is equipped with temperature controller to control the temperature of heating furnace.
As an improvement of the above scheme, the cold-trap collector is cold nitrogen cold-trap.
As an improvement of the above scheme, the flue is stainless steel tube, which is provided with needle-like stainless valve.
High temperature and pressure catalytic hydrogenation device of the invention is run in this way:
1. being added to sample cell after sample is added catalyst, clogging both ends with silica wool (prevents example reaction process to be scattered, again
Can ventilate), the adsorption silica gel of activation is added in reaction collecting pipe, clogs both ends with silica wool.
2. then sample cell to be put into the reaction position of reaction tube；Hydrogen reaction tube is put into reaction tube from the other side；By
Position is collected in the reaction that two quartz ampoules are put into reaction collecting pipe.
3. vacuum pump vacuumizes whole system after tightening each interface.Inspection system gas leakage, in no gas leakage the case where side
It can continue to test.After position placement liquid nitrogen cold trap is collected in reaction, experimental arrangement is set.
4. setting temperature program is that 20 DEG C 250 DEG C/min are raised to 300 DEG C, then rise to 550 degree with 8 DEG C/min, constant temperature
5min。
After reaction, etc. 5. temperature are down to 300 degree, vacuum pump connection is disconnected, needle-like valve is slowly opened, removes cold
Trap.Reaction product is collected into clean sample pipe to save.
It pressurizes the invention has the following advantages: removing steel cylinder from for hydrogen and air compressor machine, safe and reliable easy to operate, knot
Structure is succinct, easy to operate, at low cost, and reaction efficiency is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high temperature and pressure catalytic hydrogenation device of the invention.
Description of symbols: 1, reaction tube；2, flue；3, collecting pipe is reacted；4, vacuum pump；5, sample cell；6, hydrogen
Reaction tube；7, heating furnace；8, sealing-plug；9, the first quartz ampoule；10, silica wool；11, sample position；12, silica wool；13, it reacts
Position；14, the second quartz ampoule；15, silica wool；16, adsorption silica gel；17, silica wool；18, silica wool；19, temperature controller；20,
Cold-trap collector；21, needle-like stainless valve.
Specific embodiment
As shown in Figure 1, a kind of high temperature and pressure catalytic hydrogenation device, including sequentially connected reaction tube 1, flue 2, reaction
Collecting pipe 3, vacuum pump 4；The reaction tube 1 forms sealed tube body by both ends construction of switch, is internally provided with 5 He of sample cell
Hydrogen reaction tube 6 below sample cell 5 is set, is equipped with heating furnace 7 in the periphery of reaction tube 1.It opens at the both ends
Closing structure is to be sealed by stainless steel sealing-plug 8 into opening；The opening be sized for the sample cell 5 with
Hydrogen reaction tube 6 passes through.The sample cell 5 includes the first quartz ampoule 9, inside the first quartz ampoule 9 from top to bottom successively
For silica wool 10, sample position 11, silica wool 12, the first quartz ampoule 9 is fixed at the reaction position 13 of reaction tube 1.Described is anti-
It answers and is equipped with the second quartz ampoule 14 inside collecting pipe 3, be followed successively by silica wool 15, absorption from top to bottom inside the second quartz ampoule 14
Position 18 is collected in silica gel 16, silica wool 17, the reaction that the second quartz ampoule 14 is fixed at reaction collecting pipe 3.The hydrogen is anti-
Generation hydrogen should be reacted with gauge water by excessive aluminium powder in pipe 6.The heating furnace 7 is equipped with temperature controller 19 to control
The temperature of heating furnace 7.It further include cold-trap collector 20, the reaction collecting pipe 3 is placed in cold-trap collector 20, and described is cold
Trap collector 20 is cold nitrogen cold-trap.The flue 2 is stainless steel tube, which is provided with needle-like stainless valve 21.
Principle of device:
The hydrogen source of hydrogen reaction tube is that excessive aluminium powder is reacted with gauge water, water determination and reaction volume, reactant
Reaction generates hydrogen when product correlation .2Al+6H2O=2Al (OH) 3+3H2 ↑ heating 180 degree.
Device source pressure, in closed system, pressure and temperature, gas flow have following correlation:
PV=nRT
This equation has 4 variables: p refers to the pressure of perfect gas, and V is the volume of perfect gas, and n indicates gaseous matter
Amount, and T then indicates the thermodynamic temperature of perfect gas；There are one constants: R is ideal gas constant.
Condition 15MPa Hydrogen Vapor Pressure at 550 degree of heating needed for testing, is kept for 5 minutes.
The given volume of reaction tube can calculate the amount of required hydrogen molecule substance, then basis according to pV=nRT
2Al+6H2O=2Al (OH) 3+3H2 ↑, required water and aluminium powder amount are calculated, aluminium powder is slightly excessive during the experiment, adds 1.1
Resulting value is calculated again.
Application test:
Sample is a- graphite and urban atmosphere aerosol, and catalyst is molybdenum sulfide.
1. being added to sample cell after sample is added catalyst, clogging both ends with silica wool (prevents example reaction process to be scattered, again
Can ventilate), the adsorption silica gel of activation is added in reaction collecting pipe, clogs both ends with silica wool.
2. then sample cell to be put into the reaction position of reaction tube；Hydrogen reaction tube is put into reaction tube from the other side to tighten；
Position is collected into the reaction that second quartz ampoule is put into reaction collecting pipe.
3. vacuum pump vacuumizes whole system after tightening each interface.Inspection system gas leakage, in no gas leakage the case where side
It can continue to test.After position placement liquid nitrogen cold trap is collected in reaction, experimental arrangement is set.
4. setting temperature program is that 20 DEG C 250 DEG C/min are raised to 300 DEG C, then rise to 550 degree with 8 DEG C/min, constant temperature
5min。
After reaction, etc. 5. temperature are down to 300 degree, vacuum pump connection is disconnected, needle-like valve is slowly opened, removes cold
Trap.Reaction product is collected into clean sample pipe to save.
Following table is above-mentioned test data:
Statistics indicate that high temperature and pressure catalytic hydrogenation device of the present invention has practicability.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment is not to limit this hair
Bright the scope of the patents, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (9)
1. a kind of high temperature and pressure catalytic hydrogenation device, which is characterized in that received including sequentially connected reaction tube, flue, reaction
Collector, vacuum pump；The reaction tube forms sealed tube body by both ends construction of switch, is internally provided with sample cell and setting exists
Hydrogen reaction tube below sample cell is equipped with heating furnace in the periphery of reaction tube, further includes cold-trap collector, the reaction is received
Collector is placed in cold-trap collector, is reacted by excessive aluminium powder with gauge water in the hydrogen reaction tube and is generated hydrogen, described
Flue be stainless steel tube, which is provided with needle-like stainless valve.
2. a kind of high temperature and pressure catalytic hydrogenation device according to claim 1, which is characterized in that the two end switch knots
Structure is to fill in split mouth by stainless steel sealing to be sealed；The opening to be sized for the sample cell and hydrogen anti-
Should pipe pass through.
3. a kind of high temperature and pressure catalytic hydrogenation device according to claim 1, which is characterized in that the sample cell includes
First quartz ampoule, is followed successively by silica wool, sample position, silica wool from top to bottom inside the first quartz ampoule, and the first quartz ampoule is fixed
The reaction position of reaction tube is set.
4. a kind of high temperature and pressure catalytic hydrogenation device according to claim 1, which is characterized in that the reaction collecting pipe
Inside is equipped with the second quartz ampoule, is being followed successively by silica wool, adsorption silica gel, silica wool from top to bottom inside the second quartz ampoule, the
Position is collected in the reaction that two quartz ampoules are fixed at reaction collecting pipe.
5. a kind of high temperature and pressure catalytic hydrogenation device according to claim 1, which is characterized in that set on the heating furnace
There is temperature controller to control the temperature of heating furnace.
6. a kind of high temperature and pressure catalytic hydrogenation device according to claim 1, which is characterized in that the cold-trap collector
For cold nitrogen cold-trap.
7. a kind of application method comprising any one of claim 1 to 6 high temperature and pressure catalytic hydrogenation device, which is characterized in that tool
Steps are as follows for body:
Step 1 is added to sample cell after sample is added catalyst；
Sample cell is put into the reaction position of reaction tube by step 2；By be calculated test needed for water and aluminium powder amount and by its
It is packed into hydrogen reaction tube, hydrogen reaction tube is put into reaction tube from the other side and is tightened；Second quartz ampoule is put into reaction collecting pipe
Reaction collect position；
After step 3 tightens each interface, vacuum pump vacuumizes whole system；
Step 4 setting temperature program is 20 DEG C and starts to be raised to 300 DEG C with 250 DEG C/min, then rises to 550 degree with 8 DEG C/min, constant temperature
5min；
Step 5 after reaction, etc. temperature be down to 300 degree, disconnect vacuum pump connection, slowly open needle-like valve, remove cold-trap,
Reaction product is collected into clean sample pipe to save.
8. the method according to the description of claim 7 is characterized in that be calculated described in step 2 test needed for water and
Aluminium powder amount, specific reaction equation are as follows:
2Al+6H2O=2Al (OH)3+3H2↑ (1)
When heating 180 degree, reaction generates hydrogen；Device source pressure, in closed system, pressure and temperature, gas flow has following
It is related:
PV=nRT (2)
This equation has 4 variables: p refers to the pressure of perfect gas, and V is the volume of perfect gas, and n indicates gaseous matter
Amount, and T then indicates the thermodynamic temperature of perfect gas；There are one constants: R is ideal gas constant；The volume one of reaction tube
It is fixed, according to formula (2), the amount of required hydrogen molecule substance can be calculated, then according to formula (1), calculate required water and
Aluminium powder amount.
9. according to the method described in claim 8, it is characterized in that, the aluminium powder in an experiment the amount of use for calculated value
1.1 again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183337.4A CN106950332B (en) | 2017-03-24 | 2017-03-24 | A kind of high temperature and pressure catalytic hydrogenation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183337.4A CN106950332B (en) | 2017-03-24 | 2017-03-24 | A kind of high temperature and pressure catalytic hydrogenation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950332A CN106950332A (en) | 2017-07-14 |
| CN106950332B true CN106950332B (en) | 2019-02-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139193A (en) * | 2011-01-19 | 2011-08-03 | 中国科学院广州地球化学研究所 | Full automatic high-pressure hydrogenation thermal cracking device for geochemistry research |
| CN204017807U (en) * | 2014-03-05 | 2014-12-17 | 华东理工大学 | Catalyzed chemical reaction device and for the air supply part of this device |
| CN104785171A (en) * | 2014-01-21 | 2015-07-22 | 北京金菲特能源科技有限公司 | Universal heavy raw material hydrogenation lightening device |
| CN105859499A (en) * | 2016-06-08 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Reaction system and method for preparing ethylene through hydrogenation of acetylene |
| CN106483245A (en) * | 2016-11-16 | 2017-03-08 | 中国科学院广州地球化学研究所 | A kind of catalytic hydrogenation example reaction and reactant collection device |
| CN206638638U (en) * | 2017-03-24 | 2017-11-14 | 中国科学院广州地球化学研究所 | A kind of HTHP catalytic hydrogenation device |
-
2017
- 2017-03-24 CN CN201710183337.4A patent/CN106950332B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139193A (en) * | 2011-01-19 | 2011-08-03 | 中国科学院广州地球化学研究所 | Full automatic high-pressure hydrogenation thermal cracking device for geochemistry research |
| CN104785171A (en) * | 2014-01-21 | 2015-07-22 | 北京金菲特能源科技有限公司 | Universal heavy raw material hydrogenation lightening device |
| CN204017807U (en) * | 2014-03-05 | 2014-12-17 | 华东理工大学 | Catalyzed chemical reaction device and for the air supply part of this device |
| CN105859499A (en) * | 2016-06-08 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Reaction system and method for preparing ethylene through hydrogenation of acetylene |
| CN106483245A (en) * | 2016-11-16 | 2017-03-08 | 中国科学院广州地球化学研究所 | A kind of catalytic hydrogenation example reaction and reactant collection device |
| CN206638638U (en) * | 2017-03-24 | 2017-11-14 | 中国科学院广州地球化学研究所 | A kind of HTHP catalytic hydrogenation device |
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| CN106950332A (en) | 2017-07-14 |
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Effective date of registration: 20201019 Address after: 210046, No. 25, Heng Jing Road, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Patentee after: Nanjing shuilian Tianxia Seawater Desalination Technology Research Institute Co.,Ltd. Address before: KELONG Tianhe District Wushan street Guangzhou city Guangdong province 510640 No. 511 Patentee before: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences |
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Denomination of invention: A high temperature and high pressure catalytic hydrogenation device Effective date of registration: 20220125 Granted publication date: 20190222 Pledgee: China Construction Bank Corporation Nanjing Zhongyangmen sub branch Pledgor: Nanjing shuilian Tianxia Seawater Desalination Technology Research Institute Co.,Ltd. Registration number: Y2022980001058 |
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Date of cancellation: 20230129 Granted publication date: 20190222 Pledgee: China Construction Bank Corporation Nanjing Zhongyangmen sub branch Pledgor: Nanjing shuilian Tianxia Seawater Desalination Technology Research Institute Co.,Ltd. Registration number: Y2022980001058 |
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Denomination of invention: A high-temperature and high-pressure catalytic hydrogenation unit Effective date of registration: 20230206 Granted publication date: 20190222 Pledgee: China Construction Bank Corporation Nanjing Zhongyangmen sub branch Pledgor: Nanjing shuilian Tianxia Seawater Desalination Technology Research Institute Co.,Ltd. Registration number: Y2023980032054 |
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