CN107376890A - A kind of dregs of fat cracking method for preparing catalyst - Google Patents
A kind of dregs of fat cracking method for preparing catalyst Download PDFInfo
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- CN107376890A CN107376890A CN201710634069.3A CN201710634069A CN107376890A CN 107376890 A CN107376890 A CN 107376890A CN 201710634069 A CN201710634069 A CN 201710634069A CN 107376890 A CN107376890 A CN 107376890A
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- dregs
- chrysotile
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- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
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- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
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- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of dregs of fat cracking method for preparing catalyst, comprise the following steps：Into modified chrysotile, addition Alumina gel, aqueous hydrogen peroxide solution are mixed with beating, and are added absolute ethyl alcohol, the stirring of salicylic acid yttrium, are stood, filtering, calcine and obtain dregs of fat cracking catalyst.Modified chrysotile is prepared using following technique：Atoleine and chrysotile are stirred, solid paraffin is added and stirs to dissolving completely, add zinc stearate microwave treatment, filter, washing, be dried to obtain modified chrysotile.Dregs of fat cracking method for preparing catalyst proposed by the present invention, gained specific surface area of catalyst is very big, and internal aperture is interconnected, and inside is not susceptible to block, and can effectively improve the speed of dregs of fat cracking, and selectivity is high.
Description
Technical field
The present invention relates to dregs of fat cracking technique field, more particularly to a kind of dregs of fat cracking method for preparing catalyst.
Background technology
Rich coal resources in China, in addition to raw coal is used for coking, conversion processing except part, the overwhelming majority is used to directly burn.
Coal is directly burnt, and the not only thermal efficiency is low, destruction to environment is serious, and has the hydrogen-rich component of higher economic value in coal
Cannot rationally it utilize.And Chinese petroleum corporation is short, crude oil heaviness, in poor quality increasingly, the heavy component in some crude oil
Carbon residue and tenor are very high, cause residue content higher, are difficult that efficiently it is integrated with traditional processing method
Be present internal the problem of blocking, poor selectivity easily occurs in utilization, the catalyst of dregs of fat cracking at present, it would be highly desirable to solve.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of dregs of fat cracking method for preparing catalyst,
Gained specific surface area of catalyst is very big, and internal aperture is interconnected, and inside is not susceptible to block, and can effectively improve dregs of fat cracking
Speed, and selectivity is high.
A kind of dregs of fat cracking method for preparing catalyst proposed by the present invention, comprises the following steps：Into modified chrysotile
Addition Alumina gel, aqueous hydrogen peroxide solution are mixed with beating, and are added absolute ethyl alcohol, the stirring of salicylic acid yttrium, are stood, filtering, calcine
To dregs of fat cracking catalyst.
Preferably, modified chrysotile, Alumina gel, aqueous hydrogen peroxide solution, absolute ethyl alcohol, the weight ratio of salicylic acid yttrium are
80-100：30-50：70-90：100-180：4-8；The concentration of aqueous hydrogen peroxide solution is 15-25wt%, the concentration of salicylic acid yttrium
For 0.01-0.02mol/L.
Preferably, comprise the following steps：Be modified by weight to 80-100 parts in chrysotile add 30-50 parts Alumina gels,
70-90 parts concentration is that 15-25wt% aqueous hydrogen peroxide solutions are mixed with beating 20-40min, adds 100-180 parts absolute ethyl alcohol, 4-
8 parts of concentration are that 0.01-0.02mol/L salicylic acids yttrium stirs 10-20min, mixing speed 1000-2000r/min, stand 8-
16h, filtering, 800-1000 DEG C of calcining 4-8h, obtain dregs of fat cracking catalyst.
Preferably, modified chrysotile is prepared using following technique：Atoleine and chrysotile are stirred, add solid paraffin
Stirring adds zinc stearate microwave treatment to after dissolving completely, filters, and washing, is dried to obtain modified chrysotile.
Preferably, in modified chrysotile preparation technology, atoleine, chrysotile, solid paraffin, the weight ratio of zinc stearate
For 80-120：10-20：4-6：4-8.
Preferably, modified chrysotile is prepared using following technique：By weight by 80-120 parts atoleine and 10-20 parts
Chrysotile stirs 10-20min, mixing speed 2600-3000r/min, adds 4-6 part solid paraffins and stirs to dissolving completely
Afterwards, 4-8 part zinc stearate microwave treatment 10-20min, microwave power 600-700W are added, is filtered, washing, is dried to obtain and changes
Warm-natured asbestos.
The present invention is compounded using chrysotile and atoleine, and after high-speed stirred, chrysotile cracking is in bundle fiber,
Under the cooperation of solid paraffin, hydrophobic performance is excellent, and zinc stearate has certain solubility in atoleine, with molecular state
It is distributed between atoleine and solid paraffin, dispersion effect is fabulous；Modified chrysotile can be effectively dispersed in Alumina gel, peroxidating
In aqueous solution of hydrogen, its internal pencil asbestos fibre is through corrosion, and specific surface area is very big, increases average pore size, and aperture broadens, simultaneously
Internal aperture can be made to be interconnected, inside is not susceptible to block, and is further immersed in the solution of salicylic acid yttrium, by calcining,
The yittrium oxide of formation is supported on said structure surface, can effectively improve the speed of dregs of fat cracking, and selectivity is high.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of dregs of fat cracking method for preparing catalyst, comprises the following steps：Alumina gel, mistake are added into modified chrysotile
Oxidation aqueous solution of hydrogen is mixed with beating, and is added absolute ethyl alcohol, the stirring of salicylic acid yttrium, is stood, filtering, and calcining obtains dregs of fat cracking with urging
Agent.
Embodiment 2
A kind of dregs of fat cracking method for preparing catalyst, comprises the following steps：By weight into 80 parts of modified chrysotiles
Add 50 parts of Alumina gels, 70 parts of concentration are that 25wt% aqueous hydrogen peroxide solutions are mixed with beating 20min, add 180 parts of absolute ethyl alcohols,
4 parts of concentration are that 0.02mol/L salicylic acids yttrium stirs 10min, mixing speed 2000r/min, stand 8h, filtering, 1000 DEG C are forged
4h is burnt, obtains dregs of fat cracking catalyst.
Embodiment 3
A kind of dregs of fat cracking method for preparing catalyst, comprises the following steps：By weight into 100 parts of modified chrysotiles
Add 30 parts of Alumina gels, 90 parts of concentration are that 15wt% aqueous hydrogen peroxide solutions are mixed with beating 40min, add 100 parts of absolute ethyl alcohols,
8 parts of concentration are that 0.01mol/L salicylic acids yttrium stirs 20min, mixing speed 1000r/min, stand 16h, filtering, 800 DEG C are forged
8h is burnt, obtains dregs of fat cracking catalyst.
Modified chrysotile is prepared using following technique：Atoleine and chrysotile are stirred, add solid paraffin stir to
After dissolving completely, zinc stearate microwave treatment is added, is filtered, washing, is dried to obtain modified chrysotile.
Embodiment 4
A kind of dregs of fat cracking method for preparing catalyst, comprises the following steps：By weight into 85 parts of modified chrysotiles
Add 45 parts of Alumina gels, 75 parts of concentration are that 22wt% aqueous hydrogen peroxide solutions are mixed with beating 25min, add 160 parts of absolute ethyl alcohols,
5 parts of concentration are that 0.018mol/L salicylic acids yttrium stirs 12min, mixing speed 1700r/min, stand 10h, filtering, 950 DEG C are forged
5h is burnt, obtains dregs of fat cracking catalyst.
Modified chrysotile is prepared using following technique：By weight by 120 parts of atoleines and 10 parts of chrysotile stirrings
20min, mixing speed 2600r/min, add 6 parts of solid paraffins and stir to dissolving completely, add 4 parts of zinc stearate microwaves
20min, microwave power 600W are handled, is filtered, washing, is dried to obtain modified chrysotile.
Embodiment 5
A kind of dregs of fat cracking method for preparing catalyst, comprises the following steps：By weight into 95 parts of modified chrysotiles
Add 35 parts of Alumina gels, 85 parts of concentration are that 18wt% aqueous hydrogen peroxide solutions are mixed with beating 35min, add 140 parts of absolute ethyl alcohols,
7 parts of concentration are that 0.012mol/L salicylic acids yttrium stirs 18min, mixing speed 1300r/min, stand 14h, filtering, 850 DEG C are forged
7h is burnt, obtains dregs of fat cracking catalyst.
Modified chrysotile is prepared using following technique：By weight by 80 parts of atoleines and 20 parts of chrysotile stirrings
10min, mixing speed 3000r/min, add 4 parts of solid paraffins and stir to dissolving completely, add 8 parts of zinc stearate microwaves
10min, microwave power 700W are handled, is filtered, washing, is dried to obtain modified chrysotile.
Embodiment 6
A kind of dregs of fat cracking method for preparing catalyst, comprises the following steps：By weight into 90 parts of modified chrysotiles
Add 40 parts of Alumina gels, 80 parts of concentration are that 20wt% aqueous hydrogen peroxide solutions are mixed with beating 30min, add 150 parts of absolute ethyl alcohols,
6 parts of concentration are that 0.015mol/L salicylic acids yttrium stirs 15min, mixing speed 1500r/min, stand 12h, filtering, 900 DEG C are forged
6h is burnt, obtains dregs of fat cracking catalyst.
Modified chrysotile is prepared using following technique：By weight by 100 parts of atoleines and 15 parts of chrysotile stirrings
15min, mixing speed 2800r/min, add 5 parts of solid paraffins and stir to dissolving completely, add 6 parts of zinc stearate microwaves
15min, microwave power 650W are handled, is filtered, washing, is dried to obtain modified chrysotile.
Performance test is carried out with catalyst using the gained dregs of fat cracking of embodiment 6, its result is as follows：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of dregs of fat cracking method for preparing catalyst, it is characterised in that comprise the following steps：Added into modified chrysotile
Alumina gel, aqueous hydrogen peroxide solution are mixed with beating, and are added absolute ethyl alcohol, the stirring of salicylic acid yttrium, are stood, filtering, calcining obtains oil
Slag cracking catalyst.
2. dregs of fat cracking method for preparing catalyst according to claim 1, it is characterised in that modified chrysotile, Alumina gel,
Aqueous hydrogen peroxide solution, absolute ethyl alcohol, the weight ratio of salicylic acid yttrium are 80-100：30-50：70-90：100-180：4-8；Peroxide
The concentration for changing aqueous solution of hydrogen is 15-25wt%, and the concentration of salicylic acid yttrium is 0.01-0.02mol/L.
3. dregs of fat cracking method for preparing catalyst according to claim 1 or claim 2, it is characterised in that comprise the following steps：Press
Parts by weight are modified in chrysotile to 80-100 parts and add 30-50 parts Alumina gel, 70-90 parts concentration is 15-25wt% hydrogen peroxide
The aqueous solution is mixed with beating 20-40min, adds 100-180 parts absolute ethyl alcohol, 4-8 parts concentration is 0.01-0.02mol/L salicylic acids
Yttrium stirs 10-20min, mixing speed 1000-2000r/min, stands 8-16h, filtering, 800-1000 DEG C of calcining 4-8h, obtains
To dregs of fat cracking catalyst.
4. according to any one of the claim 1-3 dregs of fat cracking method for preparing catalyst, it is characterised in that modified chrysotile
Prepared using following technique：Atoleine and chrysotile are stirred, solid paraffin is added and stirs to dissolving completely, is added stearic
Sour zinc microwave treatment, filter, washing, be dried to obtain modified chrysotile.
5. according to any one of the claim 1-4 dregs of fat cracking method for preparing catalyst, it is characterised in that modified chrysotile
In preparation technology, atoleine, chrysotile, solid paraffin, the weight ratio of zinc stearate are 80-120：10-20：4-6：4-8.
6. according to any one of the claim 1-5 dregs of fat cracking method for preparing catalyst, it is characterised in that modified chrysotile
Prepared using following technique：80-120 parts atoleine and 10-20 parts chrysotile are stirred into 10-20min, stirring speed by weight
Spend and stir to dissolving completely, add at 4-8 part zinc stearate microwaves for 2600-3000r/min, addition 4-6 part solid paraffins
10-20min, microwave power 600-700W are managed, is filtered, washing, is dried to obtain modified chrysotile.
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| CN201710634069.3A CN107376890A (en) | 2017-07-29 | 2017-07-29 | A kind of dregs of fat cracking method for preparing catalyst |
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| CN201710634069.3A CN107376890A (en) | 2017-07-29 | 2017-07-29 | A kind of dregs of fat cracking method for preparing catalyst |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138740A (en) * | 2006-09-05 | 2008-03-12 | 北京盛大京泰化学研究所 | Cracking catalyst containing nanometer rare-earth oxide and method of preparing the same |
| CN104371795A (en) * | 2014-09-18 | 2015-02-25 | 洛阳师范学院 | Low density foamed concrete product demolding agent and preparation method thereof |
-
2017
- 2017-07-29 CN CN201710634069.3A patent/CN107376890A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138740A (en) * | 2006-09-05 | 2008-03-12 | 北京盛大京泰化学研究所 | Cracking catalyst containing nanometer rare-earth oxide and method of preparing the same |
| CN104371795A (en) * | 2014-09-18 | 2015-02-25 | 洛阳师范学院 | Low density foamed concrete product demolding agent and preparation method thereof |
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Application publication date: 20171124 |
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