CN109395714A - A kind of catalyst and preparation method thereof prepared using jasmine flower extract - Google Patents

A kind of catalyst and preparation method thereof prepared using jasmine flower extract Download PDF

Info

Publication number
CN109395714A
CN109395714A CN201710704244.1A CN201710704244A CN109395714A CN 109395714 A CN109395714 A CN 109395714A CN 201710704244 A CN201710704244 A CN 201710704244A CN 109395714 A CN109395714 A CN 109395714A
Authority
CN
China
Prior art keywords
catalyst
palladium
preparation
flower extract
nano
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
Application number
CN201710704244.1A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710704244.1A priority Critical patent/CN109395714A/en
Publication of CN109395714A publication Critical patent/CN109395714A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/393—Metal or metal oxide crystallite size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/394—Metal dispersion value, e.g. percentage or fraction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/06—Peri-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The catalyst and preparation method thereof that the present invention provides a kind of to be prepared using jasmine flower extract, the catalyst are Pd nanocatalyst, are in particularly good crystal habit.The preparation method restores Pd precursor using jasmine flower extract.The method is especially environmental-friendly, and production cost is low, overall economic efficiency with higher.

Description

A kind of catalyst and preparation method thereof prepared using jasmine flower extract
Technical field
The invention belongs to catalyst technical fields, and in particular to it is a kind of using jasmine flower extract prepare catalyst and its Preparation method.
Background technique
It is well known in the art that palladium catalyst although active high, the good performance of selectivity, has in many fields It is widely used, especially has a wide range of applications in chemical industry and petroleum and organic synthesis field.
The various Preparation Methods of palladium catalyst have obtained extensive research.However, palladium catalyst made from different methods due to All there are great differences for catalyst granules pattern, purity and dopant type etc., and leading to its catalytic performance, there is also very big differences, no With the economy and the feature of environmental protection of preparation method, there is also very big differences.
The known synthesis there are many method for palladium, particularly Technique of Nano Pd, the common method of one type include that chemistry is gone back It is former.However, needing to use reducing agent, especially strong reductant in existing restoring method.In large-scale industrial production In, for example toxic hydrazine compound of these reducing agents is possible to cause serious adverse effect to operator or environment.This routine Method be not obviously inconsistent with current green chemical concept.
CN103301852A discloses a kind of preparation method of palladium carbon catalyst, and the method comprising the steps of are as follows: adds in palladium Add metallic element and carry out hybrid reaction and palldium alloy is made；The palldium alloy is impregnated and restored in adsorption liquid, is done after taking-up The dry palladium carbon catalyst for obtaining high dispersive type.
CN105126831A discloses a kind of preparation method of nanoscale palladium catalyst, and this method is with room-temperature ion liquid It is medium that body and water, which are formed by microemulsion system, makes itself and Microemulsion fabricated in situ palladium in such a way that palladium chloride is added dropwise Nano particle, so that preparation forms a kind of nanoscale palladium catalyst.
CN103357401A discloses a kind of preparation method of palladium-based catalyst, comprising the following steps: A) by carrier, palladium source It is mixed in the solution with Keggin-type heteropoly acid, obtains suspension；B the pH value of the suspension) is adjusted with alkaline solution, then plus Enter reducing agent to be reacted, obtains catalyst；C the catalyst is calcined in oxygen atmosphere), obtains palladium-based catalyst.
CN104971738A discloses the preparation method of magnetic Nano palladium catalyst, water-soluble with tetramethylammonium hydroxide first Secondly the nano oxidized iron particle of liquid processing forms nano oxidized iron particle and metal palladium salt in alcohol and n,N-Dimethylformamide In the mixed solvent ultrasound, magnetic Nano palladium catalyst is sucked out with magnet from the mixed solvent finally and uses deionized water respectively It is stored in methanol with after methanol washing.
CN103657643A discloses a kind of method for preparing nano palladium metal catalyst, this method comprises: by carrier with Function additive carries out graft reaction in organic solvent, adds the organic solution of palladium salt or palladium salt, makes palladium salt and function additive Occur also to be captured by carrier while complexation reaction, reuses reducing agent for palladium salt and be reduced into metal palladium nano-particles, then Embedding medium is added, is separated coating reaction, finally obtains the nano palladium metal catalyst of stable solid-carrying type.
CN103007928A discloses a kind of preparation method of palladium nanoparticle catalyst, this method comprises: in a solvent, At 0 DEG C~100 DEG C, palladium acetate and boric acid compound are acted on, and react -1 hour 1 minute, and palladium nano-particles are made.
CN102423704A discloses a kind of preparation method of palladium nano catalyst used for direct methanoic acid fuel cell, including with Lower step: high-area carbon is dispersed in water, suspension is obtained；Guanidinium ionic liquid and palladium metal forerunner is added to the suspension The guanidinium ionic liquid and palladium metal presoma complexation reaction and are formed containing palladium complex by body occurs；It described will be complexed containing palladium Object reacts to form Pd nano particle and be deposited on the high-area carbon surface with reducing agent, and direct formic acid combustion is obtained after washing, drying Expect battery palladium nanocatalyst.
WO2007/094903A1 discloses the preparation method of the palladium-gold catalyst of load, and the method includes (a) to make two Titanium dioxide carrier sulphation；(b) carrier of the sulphation is calcined；It (c) should with palladium salt, gold salt and alkali metal or ammonium compounds dipping Calcined support；(d) carrier through impregnating is calcined；(e) calcined support of step (d) is restored and is formed and is loaded Palladium-gold catalyst.
" liquid phase local reduction way prepares palladium-based catalyst ", rain etc., Industrial Catalysis, discloses use at 04 phase in 2015 Liquid phase local reduction way prepares Pd/ α-Al2O3Catalyst, and be applied to CO oxidative coupling synthesizing dimethyl oxalate and react, comparison is real It issues after examination and approval now, Pd base catalyst made from formaldehyde liquid phase local reduction way has excellent catalytic activity, when Pd load quality score When down to 0.1%, catalyst still shows higher activity and stability.
Jasmine has been selected in order to seek a kind of palladium catalyst for meeting green chemical concept and its synthetic method, the present invention Extract carries out the synthesis of palladium catalyst as reducing agent and stabilizer.Jasmine is Oleaceae plants, is evergreen shrubs, is one Kind fine perfumery plant.Leaf, flower, the root of Jasmine have medical value.Jasmine also has strong fragrance, even more many flowers Not available for piece, the principle active component of jasmine essential oil is volatile oil, is a kind of fragrance for especially having economic value.How Its extraction of essential oil by-product is used especially meaningful.
As it was noted above, above-mentioned document and it is other in the prior art, urged in existing palladium catalyst, especially Technique of Nano Pd In the preparation of agent, the solvent that uses is simultaneously not environmentally and economical.This field needs a kind of economic, environmental protection and effective palladium catalyst Preparation method and catalyst obtained.
Summary of the invention
In order to solve the above problems simultaneously, the present inventor extracts jasmine essential oil by further investigation and many experiments In byproduct compounds analysed in depth, attempt to be used for the preparation of palladium catalyst.Meeting environmental protection concept and requirement Meanwhile improving the overall economic efficiency of the technique.
The present inventor it has been investigated that, jasmine essential oil extracts in by-product the Gallic Acid that contains and anti- Bad hematic acid or their analog, such as ellagic acid, the compound due to its hydroxyl structure presence and can be converted to fair Perhaps electric charge transfer and the therefore form as reducing agent.Many such as ellagic acids can also play surfactant in the substance Effect.These substances can thus play the role of stabilizer and reducing agent simultaneously.
On this basis, it based on the discovery that, in one aspect of the invention, provides a kind of using jasmine flower extract The catalyst of (i.e. as reducing agent and stabilizer) preparation, the catalyst are Pd nanocatalyst.
Preferably, the crystallite dimension of the Pd nano-catalyst particles is 2nm-50nm, preferably 5nm.
Preferably, described Pd nanometers is in monodisperse status.
Preferably, the Pd nano particle is in polycrystalline structure.
Preferably, the standard deviation of the partial size of the Pd nano particle of the catalyst is less than 5%, and preferably smaller than 3%.Existing Rarely seen so even-grained Pd nano particle in some Pd catalyst.
Preferably, the precursor of the Pd is Pd (acac)2.The study found that compared with palladium nitrate, Pd (acac)2It can provide Pd nano particle pattern after optimal reduction, such as with the smallest particle diameter standard deviation.
In another aspect of this invention, a kind of method for preparing above-mentioned catalyst is provided, this method includes using jasmine Flower extract prepares Pd nano particle as stabilizer and reducing agent, by the precursor of Pd.
Preferably, co-conducer is added in reduction process.It is highly preferred that the co-conducer is borine-tri-n-butylamine network Close object.The addition of the co-conducer can shorten the recovery time.
In an especially preferred embodiment, surfactant is not added additionally in the preparation process of catalyst And/or stabilizer.
Specifically, the preparation method includes: the Pd (acac) for taking 0.01-0.1mol/mL2(Sigma Aldrich), will It is heated to 40-60 DEG C, and the jasmine flower extract for effectively going back commercial weight is then added thereto while agitating, uses 0.01- The sodium hydroxide solution of 0.08M adjusts pH to 6.0-11.0, reacts 30-60min, obtains Pd nano granule suspension, then into Row centrifuge separation, washing and drying are to get Pd nano particle.
The study found that the jasmine flower extract plays the role of reducing agent and stabilizer simultaneously.In pervious document In do not find such report.
Preferably, co-conducer can be added in the specific method.The co-conducer is preferably borine-tri-n-butylamine complexing Object.Borine-tri-n-butylamine complex compound mole is Pd (acac)21/10-1/5.
More specifically, the preparation method includes: the Pd (ac ac) for taking the 0.025mol/mL of 100mL2, it is heated to 50 DEG C, jasmine flower extract 2.0g is then added thereto while agitating, adjusts pH using the sodium hydroxide solution of 0.05M To 9.0,60min is reacted, Pd nano granule suspension is obtained, is then centrifuged, washs and dries to get Pd nanometers Grain.
The present inventor it has been investigated that, enough a effective amount of 3 how are kept in jasmine flower extract, 4,5- trihydroxies Benzoic acid and ascorbic acid or their analog are extremely important, this is also the key point of the method for the present invention.General jasmine In flower essential oil extracting method, extraction step and parameter are solely focused on the acquisition of jasmine essential oil fragrance, and the substance by It is destroyed to serious.For this purpose, the present invention provides the acquisition jasmine flower extracts such as lower section on the basis of previous research Method is put into micro-wave oven and is dried to weightlessness 60~80%, so method includes the following steps: (1) picks new fresh jasmine flower After be stored in refrigerator, storage temperature be -5 DEG C~-10 DEG C；(2) flower is shredded, according to colored and water 1: 3~1: 5 ratio Example mixing, is then distilled, the timing since condenser is collected into condensate liquid outflow, every the flower slag of taking-up in 1~2 hour, together When be reentered into fresh flower, after continuous still 5-10 times, collect distillate；(3) sodium bicarbonate is added (preferably into distillate 0.01-0.1mol/L), pH value is adjusted to 9.0-12.0, and the petroleum ether for being then incorporated as the 1/3-1/5 of distillate volume is extracted It takes, repeats aforesaid operations 2-5 times, merge water phase and organic phase (i.e. petroleum ether phase)；(4) dilute hydrochloric acid is added in Xiang Suoshu water phase (preferably 0.01-0.1mol/L) adjusts pH to 3.0-6.0, is then extracted with chloroform, collect organic phase, is being lower than 60 It is concentrated under reduced pressure at a temperature of DEG C, concentrate is lyophilized to get jasmine flower extract.
The petroleum ether mutually can be used for the preparation of Jasmine volatile oil.
In the method, it is preferable that new storage time of the fresh jasmine after weightlessness in refrigerator be less than 30 days, it is excellent Choosing was less than 10 days.
The present inventor is the study found that in room temperature storing process, many kinds of substance in flower, especially temperature-sensitivmaterial material (being all much the active principle in the preparation of Pd nanocatalyst), in the case where flower is rich in moisture, is easy to happen structure Variation or degradation.Therefore, present invention selection is dried using micro-wave oven to weightless 60~80%, preferably 75%.Microwave heating It is different from traditional heating method, it is not required to heat transfer process, it can make heating object material itself become calandria, therefore even if It is the poor material of heat conductivity, heating temperature can also be reached in a very short period of time.For flower heating, hydrone It is polarized in microwave electromagnetic field, there are dipole characteristics, and as the frequency of electromagnetic field is constantly changing polar orientation, molecule Make vibration at high speed, generate frictional heat, so that flower is heated up from inner deep, and temperature is consistent everywhere, this of microwave heating is special Performance enough makes flower be rapidly heated, and reaches the critical point temperature of wherein inactive enzyme, accelerates the migration of flower constitution water, to make temperature It is minimum to spend sensitive materials loss.Flower after quick dehydration carries out low-temperature storage again, can store for a long time and temperature is sensitive Substance (including essential oil and ascorbic acid) hardly occur reduce or deteriorate, storage period may be up to 1 year even it is longer.If no Carry out the quick dehydration of microwave and directly carry out low-temperature storage, then can be lost after 1 year about 30% or more can be used for palladium salt reduction Active principle such as ascorbic acid.
For the present invention, in step (2), the water is the water containing NaCl.Preferably, the concentration of NaCl is 0.1- 1.0 weight %.
It is further preferred that the extraction stabilizer (or distillation stabilizer) in the water also containing 0.1-0.5 weight %.It steams The temperature for evaporating extraction may lead the decomposition of temperature-sensitivmaterial material (being much reducing substances).Based on described problem, adopt at present The measure taken is directed to improve distillation equipment, for example, by using the steaming of pressurization string, continuous still, multiple fractional distillation column distillation and worm-gear type The forms such as quick steam distillation.These modes spend larger, need biggish investment.For this purpose, the present invention is in distillation process It joined stabilizer, the thermal decomposition of temperature-sensitivmaterial material can be reduced to a certain extent.The stabilizer is preferably oleoyl two Amine stabiliser.It is highly preferred that the extraction stabilizer is oleoyl diamine compound shown in lower formula (I):
Experiment shows when the compound is added, and should can effectively improve in distillation process and easily be oxidized substance as resisted The stability of bad hematic acid, such as even if distillation Extracting temperature improves 20 DEG C, the stability for being easily oxidized substance is also kept not substantially Become.
Preferably, the Pd catalyst nano-particles of the method for the present invention have (100) and (111) crystal face.It is highly preferred that each Crystal domain in Pd nano particle has the interface distance of 0.228nm, and the spacing of lattice in (111) face is 0.223nm.Such crystalline substance Body structure makes all have particularly preferred catalytic activity in the application of many catalyst.
Detailed description of the invention
Fig. 1 is the XRD diagram of the according to embodiments of the present invention 2 Pd nano particles obtained；
Fig. 2 is the TEM figure of the according to embodiments of the present invention 2 Pd nano particles in suspension obtained.
Specific embodiment
Below with reference to following embodiment and comparative example, the present invention is described in further detail, but embodiment party of the invention Formula is without being limited thereto.
Embodiment 1
New fresh jasmine flower is picked, is put into micro-wave oven and dries to weightlessness 70%, be then stored in refrigerator, storage temperature Degree is -5 DEG C, and flower is shredded, and mixes according to flower with the ratio of water 1: 4, is then distilled, be collected into condensate liquid from condenser Outflow starts timing, every the flower slag of taking-up in 1.5 hours, while being reentered into fresh flower, after continuous still 6 times, collects distillate, to 0.01mol/L sodium bicarbonate is added in distillate, adjusts pH value to 9.0, is then incorporated as 1/4 petroleum ether of distillate volume It is extracted, is repeated aforesaid operations 3 times, merged water phase and petroleum ether phase, the dilute salt of 0.01mol/L is added in Xiang Suoshu water phase Acid, adjust pH to 4.0, then extracted with chloroform, collect organic phase, 50 DEG C at a temperature of be concentrated under reduced pressure, by concentrate Freeze-drying is to get jasmine flower extract.
Embodiment 2
Take the Pd (acac) of 100mL 0.025mol/mL2(being purchased from Sigma Aldrich), is heated to 50 DEG C, then Jasmine flower extract 2.0g made from embodiment 1 is added thereto while agitating, uses the sodium hydroxide solution tune of 0.05M PH to 9.0 is saved, 60min is reacted, obtains Pd nano granule suspension, be then centrifuged, wash and dry and received to get Pd Rice grain.
Comparative example 1
The difference of the comparative example and embodiment 2, which is only that, replaces with hydrazine hydrate or boric acid for jasmine flower extract.Due to water The toxicity for closing hydrazine, needs special operation equipment and safeguard procedures, in addition reaction mixture will pass through special post-processing ability Discharge.Acid reaction product is also required to allow to discharge by special post-processing.
By above-described embodiment and comparative example clearly it can be seen from method of the invention it is especially environmental-friendly, do not need spy Different equipment and post-processing, reduces synthesis or production cost, in addition while the extract needed for obtaining reduction Pd precursor, Jasmine volatile oil can also be made simultaneously, to greatly improve comprehensive utilization value.
This written description discloses the present invention, including optimal mode using example, and also enables those skilled in the art The manufacture and use present invention.It is of the invention can patentable scope be defined by the claims, and may include this field skill Other examples that art personnel expect.If this other examples have not different from the structural elements of the literal language of claims Element, or if this other examples include the equivalent structure element with the literal language of claims without substantial differences, Then this other examples are intended within the scope of claims.In the case where not will cause inconsistent degree, by reference to It will be incorporated herein in place of all references referred to herein.

Claims (10)

1. a kind of catalyst prepared using jasmine flower extract, which is Pd nanocatalyst.
2. catalyst according to claim 1, wherein the crystallite dimension of the Pd nano-catalyst particles is 2nm-50nm.
3. catalyst according to claim 1 or 2, wherein described Pd nanometers is in monodisperse status.
4. catalyst according to any one of the preceding claims, wherein the Pd nano particle is in polycrystalline structure.
5. catalyst according to any one of the preceding claims, wherein the standard of the partial size of the Pd nano particle of the catalyst Deviation is less than 5%.
6. catalyst according to any one of the preceding claims, wherein the precursor of Pd is Pd (acac)2。
7. a kind of method for preparing any one of claim 1-6 catalyst, this method include being made using jasmine flower extract For stabilizer and reducing agent, Pd nano particle is prepared by the precursor of Pd.
8. method according to claim 7, wherein co-conducer is added in reduction process.
9. method according to claim 8, the co-conducer is borine-tri-n-butylamine complex compound.
10. surfactant is not added additionally in the preparation process of catalyst according to the method for any one of claim 7-9 And/or stabilizer.
CN201710704244.1A 2017-08-16 2017-08-16 A kind of catalyst and preparation method thereof prepared using jasmine flower extract Pending CN109395714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710704244.1A CN109395714A (en) 2017-08-16 2017-08-16 A kind of catalyst and preparation method thereof prepared using jasmine flower extract

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710704244.1A CN109395714A (en) 2017-08-16 2017-08-16 A kind of catalyst and preparation method thereof prepared using jasmine flower extract

Publications (1)

Publication Number Publication Date
CN109395714A true CN109395714A (en) 2019-03-01

Family

ID=65454708

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710704244.1A Pending CN109395714A (en) 2017-08-16 2017-08-16 A kind of catalyst and preparation method thereof prepared using jasmine flower extract

Country Status (1)

Country Link
CN (1) CN109395714A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105798324A (en) * 2016-03-21 2016-07-27 中山大学 Mimic enzyme based on self-assembly structure as well as preparation method and application thereof
CN106391000A (en) * 2016-10-10 2017-02-15 中国科学院福建物质结构研究所 Pd(111)/gamma-Al2O3 catalyst for CO dehydrogenation purification reaction and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105798324A (en) * 2016-03-21 2016-07-27 中山大学 Mimic enzyme based on self-assembly structure as well as preparation method and application thereof
CN106391000A (en) * 2016-10-10 2017-02-15 中国科学院福建物质结构研究所 Pd(111)/gamma-Al2O3 catalyst for CO dehydrogenation purification reaction and preparation method thereof

Similar Documents

Publication Publication Date Title
CN109835937B (en) Metal sulfide nanosheet derived from metal organic framework compound and preparation method thereof
CN106064087B (en) A method of preparing VOCs catalyst for catalytic combustion
CN105017529B (en) A kind of preparation method of hierarchical porous structure covalent triazine class skeleton microporous polymer
CN106744786B (en) A kind of preparation method of metal-N doping porous carbon microsphere
CN106732782B (en) A kind of H2The preparation method and applications of S catalyst for selective oxidation
Chen et al. Highly stable and activated Cerium-based MOFs superstructures for ultrahigh selective uranium (VI) capture from simulated seawater
CN108465489B (en) Fe3O4@ ZIF-8 core-shell composite material and preparation method and catalytic application thereof
CN103337327A (en) Heterogeneous FeO34/Co metal organic skeleton material as well as preparation method and application thereof
CN103466702A (en) Method for preparing porous bismuth oxide nano-material without template
CN109420479A (en) A kind of hybridization porous material of ion and its preparation method and application
CN107042121B (en) The preparation method and applications of three-dimensional ordered macroporous carrier loaded Heterocompound catalyst
CN105597686A (en) Preparation method and application of Fe3O4@MIL-100 (Fe)
CN110841715A (en) Synthesis method of MIL-68(In) MOFs hollow rod
Xu et al. Fabrication of ZIF-8 based on lignin with high yield for dye removal from water
CN108559101A (en) A method of preparing two-dimensional sheet Cu-MOF materials
CN107163259B (en) A kind of preparation and its application of the MOFs material of amino functional
CN105110384B (en) Porous cobaltosic oxide and preparation method thereof
CN106215968B (en) A kind of carbon coating CuO composite material and preparation methods of doping nitrogen
Ashraf et al. Trisaminomethane–cobalt complex supported on Fe3O4 magnetic nanoparticles as an efficient recoverable nanocatalyst for oxidation of sulfides and C–S coupling reactions
CN104891580A (en) Preparation method of nickel hydroxide ultrathin nanosheet assemblies
Tian et al. Ancillary ligand-regulated Ti (iv)-based metallocalixarene coordination cages for photocatalytic H 2 evolution
CN113457720A (en) HMS @ NiPt @ Beta core-shell structure catalytic material and preparation method and application thereof
CN103193804A (en) Preparation method of metal-organic coordination polymer material
CN109395721A (en) Load type palladium catalyst and preparation method thereof
CN109395714A (en) A kind of catalyst and preparation method thereof prepared using jasmine flower extract

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination