CN109701561A - Distributed nano molybdenum disulfide catalyst and its preparation method and application - Google Patents
Distributed nano molybdenum disulfide catalyst and its preparation method and application Download PDFInfo
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Abstract
The present invention relates to a kind of distributed nano molybdenum disulfide catalyst and its preparation method and application.The preparation method of the dispersing type nano molybdenum disulfide catalyst, comprising: active component of cobalt presoma, coating material and dispersant will be contained, high speed shear is pre-dispersed, obtains mixed slurry；Nanosizing processing is carried out to the mixed slurry, obtains distributed nano molybdenum disulfide catalyst.The distributed nano molybdenum disulfide catalyst that the method for the present invention obtains is applied in suspension bed DCL/Direct coal liquefaction, coal tar hydrogenating, kerosene mixing and mink cell focus hydrogenation reaction.The partial size for the distributed nano molybdenum disulfide catalyst that the present invention obtains is 90nm-1000nm, has high catalytic activity, high stability and high degree of dispersion.Preparation method of the present invention is simple, additive amount is few, at low cost, does not generate any industrial wastewater.
Description
Technical field
The present invention relates to catalyst preparation technical field, more particularly to a kind of distributed nano molybdenum disulfide catalyst and
Preparation method and application.
Background technique
Suspended-bed reactor (also referred to as paste state bed reactor) refers to that raw material, catalyst (or additive), hydrogen etc. are uniformly mixed
It closes, and the reactor of high temperature, condition of high voltage is provided, thermal cracking and hydrogenation reaction mainly occur in suspended-bed reactor.It suspends
The bed reactor raw material that is capable of processing can be residual oil inferior, coal tar, the residual oil containing solid particle even coal and residual oil
Mixture.Catalyst is one of the core technology of floating bed hydrogenation process, reacts severity for reducing, improves reaction efficiency,
Improving its economic competitiveness has very important effect.For there are mainly two types of suspension bed hydrogenation catalysts, solid powder is urged
Agent and homogeneous catalyst.Homogeneous catalyst can be divided into Water-soluble Dispersed catalyst and oil-soluble dispersibility catalyst again.It is existing
There is water-soluble catalyst disclosed in technology, dispersibility is relatively poor in suspension bed heavy-oil hydrogenation system, and preparation process has greatly
The waste water of amount generates.The homogeneous suspension bed hydrogenation catalyst good dispersion of oil-soluble, adds hydrogen effect good, but preparation process complexity cost
It is higher.
Molybdenum disulfide is as a kind of layered semiconductor material with class graphene-structured, between layers with weaker model
De Huali is combined, and is easily peeled off, layer structure is easy to regulate and control, and has excellent electric property and good catalytic activity.As
A kind of traditional hydrogenation catalyst, the application of molybdenum disulfide industrially has had many decades, although molybdenum disulfide is with potential
Catalytic performance, but micron-sized body phase molybdenum disulfide catalytic activity is weaker, only when the size reduction of molybdenum disulfide to nanometer
When grade, significant catalytic activity can just be showed.The preparation method of existing nanometer MOS 2 particle mainly uses
Chemical reduction method or electrochemical reduction method, but the production cost of both methods is relatively high.
Summary of the invention
It is a primary object of the present invention to provide a kind of distributed nano molybdenum disulfide catalyst and preparation method thereof and answer
With, the technical problem to be solved is that the effective catalyst suitable for floating bed hydrogenation for producing a kind of non-aqueous environment-friendly type,
While reducing production cost, high catalytic activity, high stability and high degree of dispersion are made it have, thus more suitable for practical.
The object of the invention to solve the technical problems adopts the following technical solutions to realize.It proposes according to the present invention
A kind of distributed nano molybdenum disulfide catalyst preparation method, comprising:
Active component of cobalt presoma, coating material and dispersant will be contained, high speed shear is pre-dispersed, obtains mixing slurry
Material；
Nanosizing processing is carried out to the mixed slurry, obtains distributed nano molybdenum disulfide catalyst.Mesh of the invention
And solve its technical problem also following technical measures can be used to further realize.
Preferably, the preparation method of distributed nano molybdenum disulfide catalyst above-mentioned, wherein described contain active component of cobalt
Presoma is at least one of superfinishing molybdenite, Mo-bearing Iron Ores and molybdenum disulfide.
Preferably, the preparation method of distributed nano molybdenum disulfide catalyst above-mentioned, wherein described contain active component of cobalt
The partial size of presoma is micron order.
Preferably, the preparation method of distributed nano molybdenum disulfide catalyst above-mentioned, wherein described contain active component of cobalt
The weight ratio of presoma, coating material and dispersing agent is 10-50:1-10:40-89.
Preferably, the preparation method of distributed nano molybdenum disulfide catalyst above-mentioned, wherein the coating material is
Oleic acid, oleic acid diethyl amide, oleyl amine, dialkyl dithiophosphoric acid, three thiophosphoric acid of dialkyl group, cetyl trimethyl bromination
At least one of ammonium and double octadecane epoxide phosphordithiic acid pyridiniujms.
Preferably, the preparation method of distributed nano molybdenum disulfide catalyst above-mentioned, wherein the dispersing agent is tetrahydro
At least one of naphthalene, decane, heptane, toluene, isopropanol, de- brilliant carbolineum, glycerol, diesel oil and coal tar.
Preferably, the preparation method of distributed nano molybdenum disulfide catalyst above-mentioned, wherein the dispersing type nanometer two
The partial size of molybdenum sulfide catalyst is 90nm-1000nm.
Preferably, the preparation method of distributed nano molybdenum disulfide catalyst above-mentioned, wherein in the mixed slurry,
The concentration of solid particulate matter is 10%-50%.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.It proposes according to the present invention
A kind of distributed nano molybdenum disulfide catalyst, the dispersing type nano molybdenum disulfide catalyst is point above-mentioned by any one
The preparation method for dissipating type nano molybdenum disulfide catalyst is made.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.It proposes according to the present invention
The above-mentioned distributed nano molybdenum disulfide catalyst of one kind application, the dispersing type nano molybdenum disulfide catalyst is applied to outstanding
In floating bed DCL/Direct coal liquefaction, coal tar hydrogenating, kerosene mixing and mink cell focus hydrogenation reaction.
By above-mentioned technical proposal, present invention dispersing type nano molybdenum disulfide catalyst and its preparation method and application is at least
It has the advantage that
1, the preparation method of distributed nano molybdenum disulfide catalyst provided by the invention, comprising: active component of cobalt will be contained
Presoma, coating material and dispersant, high speed shear is pre-dispersed, obtains mixed slurry；The mixed slurry is carried out
Nanosizing processing, obtains distributed nano molybdenum disulfide catalyst.Compared with existing synthetic method, the present invention has preparation method
Simply, the advantage of mild condition, at low cost etc., and any industrial wastewater is not generated, it is expected to be used in industrial production.Side of the present invention
Method realizes the high efficiency, low cost conversion of the energy, expands the actual application prospect of molybdenum disulfide, and the easier method of use obtains high
The nanometer MOS 2 particle of catalytic activity.Molybdenum disulfide largely exists in the form of molybdenite in nature, however body phase
Molybdenite can't show apparent catalytic activity, molybdenite is translates directly into the curing of high activity by the method for the present invention
Molybdenum nano particle greatly promotes the practical application value of molybdenum disulfide.
2, the distributed nano molybdenum disulfide catalyst that the present invention obtains is nm-class catalyst, partial size 90nm-
1000nm, the catalyst mainly contain MoS2Metal active constituent, with hydrogenation activity is high, additive amount is few, dispersion degree is high and stablizes
The features such as property is good.Dispersibility and stability are preferable in the reaction system for catalyst prepared by the present invention, are conducive to subsequent plus hydrogen
Catalytic reaction activity can be improved in reaction, high degree of dispersion.
3, distributed nano molybdenum disulfide catalyst of the invention be applied to suspension bed DCL/Direct coal liquefaction, coal tar hydrogenating,
In kerosene mixing and mink cell focus hydrogenation reaction.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention, detailed description is as follows below.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Preferred embodiment, to distributed nano molybdenum disulfide catalyst proposed according to the present invention and its preparation method and application, it is specific
Embodiment, structure, feature and its effect, detailed description is as follows.In the following description, different " embodiment " or " implementation
What example " referred to is not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any
Suitable form combination.
The embodiment of the present invention proposes a kind of preparation method of distributed nano molybdenum disulfide catalyst comprising following step
It is rapid:
(1) mixed processing: will contain active component of cobalt presoma, coating material and dispersant, and high speed shear is divided in advance
It dissipates, obtains mixed slurry；
Specifically, the following steps are included:
Pre- dusting processing: active component of cobalt presoma will be contained and be ground to 200 mesh hereinafter, obtaining presoma containing active component of cobalt
Fine powder；
Pre-dispersed processing: by obtained presoma containing active component of cobalt fine powder and coating material, dispersant, height is cut
It cuts pre-dispersed, obtains mixed slurry；
Further, commercialization micron class molybdenum disulfide fine powder also can be used directly in presoma containing active component of cobalt, in this way
The step of just eliminating pre- dusting processing.
It is that it is made to reach micro- before mixing by the purpose that presoma containing active component of cobalt is ground in the embodiment of the present invention
Meter level, make presoma containing active component of cobalt and coating material, dispersant more sufficiently, at more conducively subsequent nanosizing
Reason.
(2) nanosizing is handled: being carried out nanosizing processing to the mixed slurry, is obtained distributed nano molybdenum disulfide catalysis
Agent.
Specifically, carrying out nanosizing processing to the mixed slurry after dispersion using nanosizing processing equipment, make mixed slurry
In the partial size of solid particulate matter be down to Nano grade, obtain nano-dispersed suspension, i.e., distributed nano molybdenum disulfide catalysis
Agent.
Further, the nanosizing processing equipment is horizontal sand mill, specifically, the nanosizing processing equipment
For disc type nanometer sand mill or nanometer rods pin-type sand mill.
Further, the nanometer rods pin-type sand mill uses wear-resisting zirconia ball, wherein the diameter of zirconia ball
For 0.1cm-0.6cm.
The revolving speed of the nanometer rods pin-type sand mill is in 1000-2500rmp/min, and grinding temperature is 20 DEG C -80 DEG C, grinding
Time is 0.5h-24h, and intermittent mode or continuation mode can be used.
Compared with existing synthetic method, it is simply and at low cost that the present invention has the advantages that preparation method, and does not generate any
Industrial wastewater.
Preferably, the presoma containing active component of cobalt be superfinishing molybdenite, Mo-bearing Iron Ores and molybdenum disulfide at least
It is a kind of.
The method of the present invention realizes the high efficiency, low cost conversion of the energy, the actual application prospect of molybdenum disulfide is expanded, using more
Easy method obtains the nanometer MOS 2 particle of high catalytic activity.Molybdenum disulfide is big in the form of molybdenite in nature
Amount exists, however the molybdenite of body phase can't show apparent catalytic activity, and the method for the present invention is by molybdenite direct transformation
At the nanometer MOS 2 particle of high activity, the practical application value of molybdenum disulfide is greatly promoted.
Preferably, the partial size of the presoma containing active component of cobalt is micron order.
Specifically, the partial size of the presoma containing active component of cobalt is that micron order makes presoma containing active component of cobalt and surface
More abundant, the more conducively subsequent nanosizing processing of dressing agent, dispersant.
Preferably, the weight ratio of the presoma containing active component of cobalt, coating material and dispersing agent is 10-50:1-
10:40-89.
Further, the weight ratio of the presoma containing active component of cobalt, coating material and dispersing agent is 15-30:2-
8:62-83.
Preferably, the coating material is oleic acid, oleic acid diethyl amide, oleyl amine, dialkyl dithiophosphoric acid, two
At least one in three thiophosphoric acid of alkyl, cetyl trimethylammonium bromide and double octadecane epoxide phosphordithiic acid pyridiniujms
Kind.
Preferably, the dispersing agent is naphthane, decane, heptane, toluene, isopropanol, de- brilliant carbolineum, glycerol, diesel oil
At least one of with coal tar.
Preferably, the partial size of the dispersing type nano molybdenum disulfide catalyst is 90nm-1000nm.
Further, the partial size of the distributed nano molybdenum disulfide catalyst is 120nm-680nm.
Preferably, the concentration of solid particulate matter is 10%-50% in the mixed slurry.
The embodiment of the present invention also proposed a kind of distributed nano molybdenum disulfide catalyst, the dispersing type nano molybdenum disulfide
Catalyst is made by the preparation method of above-mentioned distributed nano molybdenum disulfide catalyst.
The distributed nano molybdenum disulfide catalyst that the present invention obtains is nm-class catalyst, partial size 90nm-
1000nm has the characteristics that hydrogenation activity is high, additive amount is few, dispersion degree is high and stability is good.
The embodiment of the present invention also proposed a kind of application of above-mentioned distributed nano molybdenum disulfide catalyst, which receives
Rice molybdenum disulfide catalyst is applied in suspension bed DCL/Direct coal liquefaction, coal tar hydrogenating, kerosene mixing and mink cell focus hydrogenation reaction.
The distributed nano molybdenum disulfide catalyst that the present invention obtains is the efficient non-aqueous dosage form for floating bed hydrogenation
Nanocatalyst has the characteristics that hydrogenation activity is high, additive amount is few, dispersion degree is high and stability is good.
Below in conjunction with specific embodiment, the invention will be further described, but is not to be construed as protecting model to the present invention
The limitation enclosed, some nonessential improvement that person skilled in art makes the present invention according to the content of aforementioned present invention and
Adjustment, still falls within protection scope of the present invention.
Embodiment 1
A kind of preparation method of dispersing type nano molybdenum disulfide catalyst, comprising the following steps:
(1) the bis- octadecane epoxide phosphordithiic acid pyridiniujms of 8g oleic acid, 2g and 890g naphthane are weighed, mixes, adds
100g is commercialized molybdenum disulfide fine powder, stirs and evenly mixs, obtains mixture；
(2) dispersed under the conditions of 5000rmp/min using the mixture that high speed disperser obtains step (1)
30min obtains molybdenum base slurry；
(3) nanosizing processing, control rod pin are carried out to the molybdenum base slurry that step (2) obtains using stick pin type nanometer sand mill
The revolving speed of formula sand mill is 2000rmp/min, and zirconia ball is having a size of 0.2-0.3cm, and grinding temperature is 40 DEG C, continuously grinding
12h obtains the suspension containing 10% molybdenum sulfide catalyst；The weight ratio of surface modification is 1% in this nanometer of molybdenum sulfide suspension.
It is measured through Zeta particle size analyzer it is found that the average grain diameter for the catalyst that the present embodiment obtains is 90nm.The catalysis
Agent is denoted as 1# catalyst.
Embodiment 2
A kind of preparation method of dispersing type nano molybdenum disulfide catalyst, comprising the following steps:
(1) 50g oleyl amine and 750g decane organic solution are weighed, is mixed, 200g superfinishing molybdenite fine powder is added, stirring is mixed
It is even, obtain mixture；
(2) dispersed under the conditions of 5000rmp/min using the mixture that high speed disperser obtains step (1)
30min obtains molybdenum base slurry；
(3) nanosizing processing, control rod pin are carried out to the molybdenum base slurry that step (2) obtains using stick pin type nanometer sand mill
The revolving speed of formula sand mill is 2500rmp/min, and zirconia ball is having a size of 0.2-0.3cm, and grinding temperature is 50 DEG C, continuously grinding
8h obtains the suspension containing 20% molybdenum sulfide catalyst；The weight ratio of surface modification is 5% in this nanometer of molybdenum sulfide suspension.
It is measured through Zeta particle size analyzer it is found that the average grain diameter for the catalyst that the present embodiment obtains is 250nm.The catalysis
Agent is denoted as 2# catalyst.
Embodiment 3
A kind of preparation method of dispersing type nano molybdenum disulfide catalyst, comprising the following steps:
(1) 50g oleic acid diethyl amide and 600g diesel oil are weighed, mixes, adds 350g superfinishing molybdenite fine powder, is stirred
It mixes, obtains mixture；
(2) dispersed under the conditions of 5000rmp/min using the mixture that high speed disperser obtains step (1)
30min obtains molybdenum base slurry；
(3) nanosizing processing, control rod pin are carried out to the molybdenum base slurry that step (2) obtains using stick pin type nanometer sand mill
The revolving speed of formula sand mill is 1500rmp/min, and zirconia ball is having a size of 0.3-0.4cm, and grinding temperature is 50 DEG C, continuously grinding
6h obtains the suspension containing 35% molybdenum sulfide catalyst；The weight ratio of surface modification is 5% in this nanometer of molybdenum sulfide suspension.
It is measured through Zeta particle size analyzer it is found that the average grain diameter for the catalyst that the present embodiment obtains is 450nm.The catalysis
Agent is denoted as 3# catalyst.
Embodiment 4
A kind of preparation method of dispersing type nano molybdenum disulfide catalyst, comprising the following steps:
(1) the bis- octadecane epoxide phosphordithiic acid pyridiniujms of 60g oleic acid, 20g and 320g naphthane organic solution are weighed, is mixed
It is even, 400g superfinishing molybdenite fine powder is added, stirs and evenly mixs, obtains mixture；
(2) dispersed under the conditions of 5000rmp/min using the mixture that high speed disperser obtains step (1)
30min obtains molybdenum base slurry；
(3) nanosizing processing, control rod pin are carried out to the molybdenum base slurry that step (2) obtains using stick pin type nanometer sand mill
The revolving speed of formula sand mill is 2000rmp/min, and zirconia ball is having a size of 0.3-0.4cm, and grinding temperature is 60 DEG C, continuously grinding
6h obtains the suspension containing 50% molybdenum sulfide catalyst；The weight ratio of surface modification is 10% in this nanometer of molybdenum sulfide suspension.
It is measured through Zeta particle size analyzer it is found that the average grain diameter for the catalyst that the present embodiment obtains is 680nm.The catalysis
Agent is denoted as 4# catalyst.
Comparative example 1
By analytical reagents MoS2Powder is handled without nanosizing, directly as catalyst.
By particle size analyzer measurement it is found that the average grain diameter for the catalyst that this comparative example obtains is 1.5 μm.The catalyst
It is denoted as 5# catalyst.
Comparative example 2
It is similar to the preparation method of embodiment 1, the difference is that, do not added in the dispersion process of molybdenum base slurry preparation uniquely
Coating material.
It is measured through Zeta particle size analyzer it is found that the average grain diameter for the catalyst that this comparative example obtains is 260nm.The catalysis
Agent is denoted as 6# catalyst.
Embodiment 5
Hydrogenation activity evaluation is carried out to above-mentioned catalyst using autoclave, investigates above-mentioned catalyst in DCL/Direct coal liquefaction process
In reactivity, feed coal analyzes coal sample, obtained the basic data of coal sample, be shown in Table using typical liquefaction coal
1。
The basic data of 1 coal sample of table
Catalyst activity evaluation: the volume of autoclave is 0.5L, takes above-mentioned dry ash free basis coal 20g, is separately added into 1#-6#
Catalyst, additive amount account for 1000 μ g/g of dry coal with contained molybdenum mass content and calculate, and supplement part is hydrogen supply dissolvent naphthane, meter
The total amount for calculating the hydrogen supply dissolvent of addition system is 24g.
After above-mentioned material is added in autoclave, sealing first with air in low-pressure nitrogen displacement kettle, then pours high pressure hydrogen
445 DEG C are to slowly warm up to 10 DEG C/min heating rate to 10MPa, then constant temperature 60min removes heater, passes through cooling
Water coil and external fan cool down rapidly autoclave body to room temperature, stop stirring.
Record kettle in pressure and temperature, gas sample carry out gas chromatographic analysis, solid-liquid product take out completely after successively
N-hexane, toluene, the analysis of tetrahydrofuran soxhlet extraction are carried out, oil, asphaltene, preasphaltene and unreacted reactant are respectively obtained
Deng yield.
After carrying out hydrogenation reaction using the catalyst of 1#-6#, the corresponding oil yield of each catalyst, coal conversion ratio and hydrogen consumption,
It is shown in Table 2.
2 catalyst performance evaluation data of table
| Catalyst | 1# | 2# | 3# | 4# | 5# | 6# |
| Oil yield (wt%) | 68.89 | 64.89 | 64.66 | 63.99 | 55.36 | 60.92 |
| Coal conversion ratio (wt%) | 96.18 | 95.37 | 95.10 | 94.27 | 89.95 | 91.98 |
| Hydrogen consumes (wt%) | 6.02 | 5.83 | 5.89 | 5.82 | 4.99 | 5.19 |
As can be seen from the above Table 2, the oil yield of 1#-4# catalyst and coal conversion ratio are all higher than 5# catalyst and 6# catalysis
Agent.It is better than the 5# catalyst without nanosizing processing by the 1#-4# catalyst overall performance that nanosizing is handled, meanwhile, add
The 1# catalyst overall performance of coating material has been added to be better than 6# catalyst.
The distributed nano molybdenum disulfide catalyst that the present invention obtains is the nano-catalytic dispersed under non-aqueous dosage system
Agent does not need to be dried again after nanosizing processing, and because being added to coating material, catalyst is in oil-soluble system
Middle good dispersion is conducive to the good contact with reaction system, improves the activity of catalytic reaction.
Operation of the present invention process is simple, mild condition, does not generate any industrial wastewater, therefore, the present invention can be obtained
Distributed nano molybdenum disulfide catalyst in industrial production.Those skilled in the art are known, in DCL/Direct coal liquefaction, heavy
The small increase of oily catalyst field, oil yield and coal conversion ratio, it is sufficient to bring industrial enormous benefits, illustrate that the present invention mentions
Catalyst out has advance.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of preparation method of dispersing type nano molybdenum disulfide catalyst characterized by comprising
Active component of cobalt presoma, coating material and dispersant will be contained, high speed shear is pre-dispersed, obtains mixed slurry；
Nanosizing processing is carried out to the mixed slurry, obtains distributed nano molybdenum disulfide catalyst.
2. the preparation method of dispersing type nano molybdenum disulfide catalyst according to claim 1, which is characterized in that described to contain
Active component of cobalt presoma is at least one of superfinishing molybdenite, Mo-bearing Iron Ores and molybdenum disulfide.
3. the preparation method of dispersing type nano molybdenum disulfide catalyst according to claim 1, which is characterized in that described to contain
The partial size of active component of cobalt presoma is micron order.
4. the preparation method of dispersing type nano molybdenum disulfide catalyst according to claim 1, which is characterized in that described to contain
The weight ratio of active component of cobalt presoma, coating material and dispersing agent is 10-50:1-10:40-89.
5. the preparation method of dispersing type nano molybdenum disulfide catalyst according to claim 1, which is characterized in that the table
Face dressing agent is oleic acid, oleic acid diethyl amide, oleyl amine, dialkyl dithiophosphoric acid, three thiophosphoric acid of dialkyl group, cetyl
At least one of trimethylammonium bromide and double octadecane epoxide phosphordithiic acid pyridiniujms.
6. the preparation method of dispersing type nano molybdenum disulfide catalyst according to claim 1, which is characterized in that described point
Powder is at least one of naphthane, decane, heptane, toluene, isopropanol, de- brilliant carbolineum, glycerol, diesel oil and coal tar.
7. the preparation method of dispersing type nano molybdenum disulfide catalyst according to claim 1, which is characterized in that described point
The partial size for dissipating type nano molybdenum disulfide catalyst is 90nm-1000nm.
8. the preparation method of dispersing type nano molybdenum disulfide catalyst according to claim 1, which is characterized in that described
In mixed slurry, the concentration of solid particulate matter is 10%-50%.
9. a kind of dispersing type nano molybdenum disulfide catalyst, which is characterized in that the dispersing type nano molybdenum disulfide catalyst is
It is made by the preparation method of distributed nano molybdenum disulfide catalyst of any of claims 1-8.
10. a kind of application of distributed nano molybdenum disulfide catalyst as claimed in claim 9, which is characterized in that the dispersion
Type nano molybdenum disulfide catalyst is applied to suspension bed DCL/Direct coal liquefaction, coal tar hydrogenating, kerosene mixing and mink cell focus and adds hydrogen anti-
Ying Zhong.
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| CN113337308A (en) * | 2021-05-26 | 2021-09-03 | 洛阳瑞华新能源技术发展有限公司 | Multi-element dispersant slurry of heavy oil suspension bed hydrogenation catalyst |
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| CN114192154A (en) * | 2021-11-04 | 2022-03-18 | 新疆大学 | High-activity molybdenum ore catalyst for direct coal liquefaction and preparation method thereof |
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| CN114192154A (en) * | 2021-11-04 | 2022-03-18 | 新疆大学 | High-activity molybdenum ore catalyst for direct coal liquefaction and preparation method thereof |
| CN113929143A (en) * | 2021-11-30 | 2022-01-14 | 昆明理工大学 | Method for extracting high-purity molybdenum oxide from low-grade molybdenite through microwave roasting separation |
| CN113929143B (en) * | 2021-11-30 | 2022-09-13 | 昆明理工大学 | Method for extracting high-purity molybdenum oxide from low-grade molybdenite through microwave roasting separation |
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Application publication date: 20190503 |