CN101954292A - Catalytic reforming catalyst for catalytic pyrolysis of waste plastic for preparing fuel oil and preparation method thereof - Google Patents
Catalytic reforming catalyst for catalytic pyrolysis of waste plastic for preparing fuel oil and preparation method thereof Download PDFInfo
- Publication number
- CN101954292A CN101954292A CN 201010292245 CN201010292245A CN101954292A CN 101954292 A CN101954292 A CN 101954292A CN 201010292245 CN201010292245 CN 201010292245 CN 201010292245 A CN201010292245 A CN 201010292245A CN 101954292 A CN101954292 A CN 101954292A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- oxide
- waste plastics
- cracking
- fuel oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to a catalytic reforming catalyst for catalytic pyrolysis of waste plastic for preparing fuel oil and a preparation method thereof. The catalyst consists of oxides and an MCM-22, ZSM-35, Beta or MOR molecular sieve, wherein the oxides are any two of molybdenum oxide, cerium oxide, bismuth oxide, zirconium oxide, tin oxide or lead oxide in a weight ratio of 1/10 to 10/1; and secondary catalytic pyrolysis, isomerization and an aromatized reforming reaction are performed on crude oil formed by cracking the waste plastic, so that the ratio of cracked gasoline fractions to cracked diesel fractions is increased. The catalyst of the invention has the advantages of high activity, high selectivity and particular suitability for pyrolysis of mixed waste plastic in urban and rural household garbage with complex components for preparing oil, wherein the yield of the qualified fuel oil is over 70 percent based on the weight of the waste plastic.
Description
Technical field
The present invention relates to a kind of catalyst for performing catalytic reforming that is used for waste plastics catalytic pyrolysis preparing fuel oil process and preparation method thereof,, qualified fuel oil oil yield good with catalyst cracking controllability of the present invention is by more than waste plastics Gao Keda 70 %, oil quality is good, gasoline is No. 90, and diesel oil is O number to negative No. 20.
Background technology
The a large amount of waste or used plastics serious harm existent environment of people that produce in daily life rubbish are referred to as " white garbage ", and white garbage also is the environmental improvement difficult problem that national governments have a headache most.Have many over past ten years about utilizing the method report of cracking waste plastics made fuel oil, domesticly many cracking waste plastics made fuel oil devices have also been set up, but prior art exists following obvious deficiency: it all is gap or the operating process of half gap still formula that cracking waste plastics is vaporized into oily technology, and catalyst is often directly applied mechanically the catalyst of crude oil pyrolysis.Though cracking waste plastics and crude oil pyrolysis have many similarities, all be with the hydrocarbon structure of big molecule littler molecular structure of Pintsch process-be degraded under oxygen free condition, yet, crude oil is formed with the waste plastics chemical property and is had very big-difference, it is comparatively complicated that crude oil is formed structure, though and the waste plastics molecular weight is bigger, but constituent structure is comparatively single, this has just caused the very big difference of crude oil and this two 2 course of reaction of cracking waste plastics, be used for cracking waste plastics as direct catalyst and can produce variety of problems: A crude oil pyrolysis, existing cracking waste plastics catalyst is carclazyte or sieve and silica-sesquioxide, catalyst component is simple, function singleness only is used to reduce the cracking reaction temperature.B, gas reversion catalyst mostly are applies mechanically petroleum refining catalyst, mostly is REY or USY zeolite, and function is simple, only big molecule in the thick oil further can be cracked into little molecule, ratio that can not selective increase petrol and diesel oil component, and the gas by-product is big.The carclazyte (active silica) that uses simple function solid acid or cheapness in C, the waste plastics still formula cracking process is as catalyst, cracking waste plastics product distribution is too wide, produce a large amount of heavy oil and gas, the light oil ratio is low, and is especially more restive to the mixed waste plastic cracked oiling.D, because the complicated component of rubbish waste plastics, chlorinity in the part waste polyethylene plastics is sometimes up to 1O%, the catalyst of simply applying mechanically crude oil pyrolysis is used for the quality problem of unstable that cracking waste plastics can produce oil product, often can only be as low-grade products such as furnace fuel oils.E, domestic and international similar cracking waste plastics oiling technology are strict to treatment of waste plastics preliminary election and preliminary treatment, need classify, clean, dry as waste plastics; Part arts demand high-temperature hydrogenation or add to depress and carry out cracking.
Summary of the invention
The object of the invention provides a kind of catalyst for performing catalytic reforming that is used for waste plastics catalytic pyrolysis preparing fuel oil process and preparation method thereof.It is strict to treatment of waste plastics preliminary election and preliminary treatment to adopt catalyst of the present invention can solve the catalyst that exists in mixed waste plastic system oil catalytic pyrolysis, handle complicated operation, especially more restive to the rubbish mixed waste plastic cracked oiling that has a small amount of foreign material; Cracking waste plastics product distribution is too wide, produces a large amount of heavy oil and gas, and the light oil ratio is low, and is easy to secondary pollution, and the oil product yield is low and the quality problem of unstable.
In order to achieve the above object, the present invention is directed to the mixed waste plastic cracking and produce the particular requirement of fuel oil catalyst, by to the improvement of processing technology catalyst system therefor innovation, provide a kind of catalyst that need not the composting waste plastics classifies, cleans, dry that preliminary treatment, cracking controllability are good, fuel oil ratio height, the measured composting waste plastics of matter normal pressure catalytic pyrolysis and upgrading are made with extra care the production fuel oil.The technical process of composting waste plastics catalytic pyrolysis preparing oil is that totally-enclosed two sections assembly catalyze serializations are produced; First section thermal cracking catalyst produces thick oil with the waste plastics catalytic pyrolysis, and catalyst consists of cupric oxide and alumina modified carclazyte.The invention provides catalyst for performing catalytic reforming of being used for waste plastics catalytic pyrolysis preparing fuel oil process and preparation method thereof is that the thick oily product of the cracking of first section generation is carried out quadric catalysis cracking reaction and upgrading reaction.
The catalyst for performing catalytic reforming that is used for waste plastics catalytic pyrolysis preparing fuel oil process that the present invention proposes, specifically composed as follows: this catalyst for performing catalytic reforming is metal oxide modified mesopore or large pore molecular sieve, modified metal-oxide is wantonly two kinds of compound uses in molybdenum oxide, cerium oxide, bismuth oxide, zirconia, tin oxide or the lead oxide, compoundly mixes according to 1/10 –, 10/1 weight ratio; Mesopore or large pore molecular sieve adopt silica alumina ratio be in MCM-22, ZSM-35, Beta or the MOR molecular sieve of 3-50 any; Modified metal-oxide content in this catalyst for performing catalytic reforming is 1.0 wt%-20.0 wt%.
Among the present invention, modified metal-oxide content in this catalyst for performing catalytic reforming is 3.0 wt%-15.0 wt%, and the compound weight ratio of any two modified metal-oxides is 2/10 – 10/2.
The preparation method of the catalyst for performing catalytic reforming that is used for waste plastics catalytic pyrolysis preparing fuel oil process that the present invention proposes, concrete steps are as follows: the containing metal nitrate aqueous solution that adds 150 weight portions in the zeolite of 100 weight portions, flooded 2 hours in 80 ℃, drying is 1 hour under 150 ℃, activate 3 hours down at 520 ℃ again, measure modified metal-oxide content, promptly make required product.
Among the present invention, the catalyst that first section cracking waste plastics process used is made up of the white scholar of cupric oxide and the modification of aluminium oxide dipping, and wherein the cupric oxide amount is that 7.2 wt% and alumina amount are 19.3 wt%, Bai Shiwei general goods Emathlite.The method of first section catalyst is prepared as follows: the aluminum nitrate/copper nitrate aqueous solution that adds 150 parts of copper content 8.0wt% and aluminum content 20.0wt% at 100 parts of acid Bai Shizhong, flooded 2 hours in 60 ℃, leave standstill behind the dipping and incline and supernatant liquor, drying is 4 hours under 120 ℃, activate 5 hours down at 480 ℃ again, it is that 7.2wt% and alumina amount are 19.3wt% that mensuration contains the cupric oxide amount, promptly makes cupric oxide and alumina modified white scholar's catalyst.
Catalyst of the present invention has following significant technique effect:
1. catalyst of the present invention has multifunctionality, and the composition nonhazardous of catalyst own, can improve the plastic cracking reaction rate, reduces the cracking reaction temperature, improves the catabolite selectivity, and energy cracking dechlorination also is converted into harmless object.
2. the catalyst of being made up of metal oxide and molecular sieve of the present invention has isomerization, and the aromatisation function can transform into a large amount of isoparaffins and aromatic hydrocarbons with paraffin in the liquid product and alkene composition, makes them become comparatively ideal petrol and diesel oil component.
3. good, the qualified fuel oil oil yield of the catalytic pyrolysis controllability of carrying out with the present invention is by more than waste plastics Gao Keda 70 %, and oil quality is good, and gasoline is No. 90, and diesel oil is O number to negative No. 20.
4. can satisfy totally-enclosed serialization operation production requirement with the present invention, not need the external world that heat energy is provided, be particularly suitable for forming mixed waste plastic cracking system oil in the complicated urban and rural domestic refuse.
5. the present invention compares with existing catalyst, catalytic activity height, shape selectivity are better, one section cracking gas is carried out the carbon number distribution situation that catalysis can change the cracking head product, refining petrol and diesel oil octane number height, the light oil that produces is more, and mainly be made of isoparaffin and aromatic hydrocarbons, and the catalyst coking is less, deactivation rate is little; Opened up a new way for the comprehensive utilization of town and country rubbish, cost of material and manufacturing expense are low, and economic and social benefit is considerable.
The specific embodiment
Further specify the present invention below by embodiment.
Embodiment 1
The Preparation of catalysts of second section thick oily catalytic cracking upgrading: at 100 parts of Hydrogen ZSM-35(silica alumina ratios 20) adds the 150 parts of bismuth-containing amount 2.0wt% and the bismuth nitrate/nitric acid molybdenum aqueous solution that contains molybdenum amount 1.0wt% in, flooded 2 hours in 80 ℃, drying is 1 hour under 150 ℃, activate 3 hours down at 520 ℃ again, measuring the bismuth oxide-containing amount and be 1.5wt%/contain the molybdenum oxide amount is 0.7wt%, promptly makes oxide modifying ZSM-5 catalyst.
Catalyst is used for the cracking waste plastics oil-producing technique: at tubular type bed one end entrance with the continuous mixed feeding of one section alumina modified clay catalyst powder of 100 kilograms of the waste plastics pulverized with waste plastics gross weight 2.0%, under 170-230 ℃, waste plastics is dewatered, follow cracking waste plastics under 380-390 ℃ of temperature, the thick oily productive rate of this cracking process is by waste plastics 82.8%.
Two sections catalyst are used for thick oil heating vaporization and enter secondary catalytic cracking upgrading fluidized-bed reactor, catalytic cracking under temperature 390-400 ℃, pressure 1.2bar condition, and gained petrol and diesel oil cut is 85.9% with respect to thick oily yield.
Embodiment 2
The Preparation of catalysts of second section thick oily catalytic cracking upgrading: at 100 parts of Hydrogen Beta(silica alumina ratios 24) adds 150 parts of cerous nitrate/plumbi nitras aqueous solution that contain cerium amount 2.0wt% and lead tolerance 15.0wt% in, flooded 2 hours in 80 ℃, drying is 1 hour under 150 ℃, activate 3 hours down at 520 ℃ again, measuring the oxidation-containing cerium amount and be 1.6wt%/contain the lead oxide amount is 11.6wt%, promptly makes oxide modifying USY catalyst.
Catalyst is used for the cracking waste plastics oil-producing technique: will be at tubular type bed one end entrance with the continuous mixed feeding of one section alumina modified montmorillonite catalyst powder with waste plastics gross weight 1.8% of 100 kilograms of the waste plastics pulverized, under 180-240 ℃, waste plastics is dewatered, follow cracking waste plastics under 390-400 ℃ of temperature, the thick oily productive rate of this cracking process is by waste plastics 81.4%.
Two sections catalyst are used for thick oil heating vaporization and enter secondary catalytic cracking upgrading fluidized-bed reactor, at temperature 390-400 ℃, pressure 2.0bar, catalytic reaction air speed WHSV0.75h
-1Catalytic cracking under the condition, gained petrol and diesel oil cut is 87.3% with respect to thick oily yield.
Embodiment 3
The Preparation of catalysts of second section thick oily catalytic cracking upgrading: at 100 parts of commercially available Hydrogen MCM-22(silica alumina ratios 32) adds 150 parts of zirconium nitrate/cerous nitrate aqueous solution that contain zirconium amount 7.0wt% and contain cerium amount 8.0wt% in, flooded 2 hours in 80 ℃, drying is 1 hour under 150 ℃, activate 3 hours down at 520 ℃ again, it is that 5.2wt%/oxidation-containing cerium amount is 6.1wt% that mensuration contains the zirconia amount, promptly makes oxide modifying MCM-22 catalyst.
Catalyst is used for the cracking waste plastics oil-producing technique: will be at tubular type bed one end entrance with the continuous mixed feeding of one section alumina modified montmorillonite catalyst powder with waste plastics gross weight 2.6% of 100 kilograms of the waste plastics pulverized, under 190-240 ℃, waste plastics is dewatered, follow cracking waste plastics under 390-400 ℃ of temperature, the thick oily productive rate of this cracking process is by waste plastics 82.5%.
Two sections catalyst are used for thick oil heating vaporization and enter secondary catalytic cracking upgrading fluidized-bed reactor, at temperature 391-400 ℃, pressure 3.5bar, catalytic reaction air speed WHSV1.25h
-1Catalytic cracking under the condition, gained petrol and diesel oil cut is 87.1% with respect to thick oily yield.
Embodiment 4
The Preparation of catalysts of second section thick oily catalytic cracking upgrading: at 100 parts of commercially available Hydrogen MOR(silica alumina ratios 11) adds 150 parts of cerous nitrate/nitric acid tin aqueous solution that contain cerium amount 10.4wt% and stanniferous amount 12.1wt% in, flooded 2 hours in 80 ℃, drying is 1 hour under 150 ℃, activate 3 hours down at 520 ℃ again, measuring the oxidation-containing cerium amount is that 8.3wt% and tin oxide amount are 9.5wt%, promptly makes oxide modifying MOR catalyst.
Catalyst is used for the cracking waste plastics oil-producing technique: will be at tubular type bed one end entrance with the continuous mixed feeding of one section alumina modified montmorillonite catalyst powder with waste plastics gross weight 2.0% of 100 kilograms of the waste plastics pulverized, under 185-240 ℃, waste plastics is dewatered, follow cracking waste plastics under 375-395 ℃ of temperature, the thick oily productive rate of this cracking process is by waste plastics 81.5%.
Two sections catalyst are used for thick oil heating vaporization and enter secondary catalytic cracking upgrading fluidized-bed reactor, at temperature 380-390 ℃, pressure 4.0bar, catalytic reaction air speed WHSV1.55h
-1Catalytic cracking under the condition, gained petrol and diesel oil cut is 87.0% with respect to thick oily yield.
Embodiment 5
The Preparation of catalysts of second section thick oily catalytic cracking upgrading: at 100 parts of commercially available Beta(silica alumina ratios 23) plumbi nitras/bismuth nitrate aqueous solution that adds 150 parts of lead tolerance 19.1wt% and bismuth-containing amount 4.0wt% in, flooded 2 hours in 80 ℃, drying is 1 hour under 150 ℃, activate 3 hours down at 520 ℃ again, it is that 15.3wt% and bismuth oxide amount are 3.0wt% that mensuration contains the lead oxide amount, promptly makes oxide modifying Beta zeolite catalyst.
Catalyst is used for the cracking waste plastics oil-producing technique: will be at tubular type bed one end entrance with the continuous mixed feeding of one section alumina modified montmorillonite catalyst powder with waste plastics gross weight 2.5% of 100 kilograms of the waste plastics pulverized, under 150-245 ℃, waste plastics is dewatered, follow cracking waste plastics under 380-395 ℃ of temperature, the thick oily productive rate of this cracking process is by waste plastics 81.0%.
Two sections catalyst are used for thick oil heating vaporization and enter secondary catalytic cracking upgrading fluidized-bed reactor, at temperature 380-395 ℃, pressure 3.0bar, catalytic reaction air speed WHSV1.90h
-1Catalytic cracking under the condition, gained petrol and diesel oil cut is 86.3% with respect to thick oily yield.
Claims (3)
1. catalyst for performing catalytic reforming that is used for waste plastics catalytic pyrolysis preparing fuel oil process, it is characterized in that specifically composed as follows: this catalyst for performing catalytic reforming is metal oxide modified mesopore or large pore molecular sieve, modified metal-oxide is wantonly two kinds of compound uses in molybdenum oxide, cerium oxide, bismuth oxide, zirconia, tin oxide or the lead oxide, compoundly mixes according to 1/10 –, 10/1 weight ratio; Mesopore or large pore molecular sieve adopt silica alumina ratio be in MCM-22, ZSM-35, Beta or the MOR molecular sieve of 3-50 any; Modified metal-oxide content in this catalyst for performing catalytic reforming is 1.0 wt%-20.0 wt%.
2. the catalyst for performing catalytic reforming that is used for waste plastics catalytic pyrolysis preparing fuel oil process according to claim 1, it is characterized in that modified metal-oxide content in this catalyst for performing catalytic reforming is 3.0 wt%-15.0 wt%, the compound weight ratio of any two modified metal-oxides is 2/10 – 10/2.
3. preparation method who is used for the catalyst for performing catalytic reforming of waste plastics catalytic pyrolysis preparing fuel oil process as claimed in claim 1, it is characterized in that concrete steps are as follows: the containing metal nitrate aqueous solution that in the zeolite of 100 weight portions, adds 150 weight portions, flooded 2 hours in 80 ℃, drying is 1 hour under 150 ℃, activate 3 hours down at 520 ℃ again, measure modified metal-oxide content, promptly make required product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010292245 CN101954292A (en) | 2010-09-27 | 2010-09-27 | Catalytic reforming catalyst for catalytic pyrolysis of waste plastic for preparing fuel oil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010292245 CN101954292A (en) | 2010-09-27 | 2010-09-27 | Catalytic reforming catalyst for catalytic pyrolysis of waste plastic for preparing fuel oil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101954292A true CN101954292A (en) | 2011-01-26 |
Family
ID=43482025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010292245 Pending CN101954292A (en) | 2010-09-27 | 2010-09-27 | Catalytic reforming catalyst for catalytic pyrolysis of waste plastic for preparing fuel oil and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101954292A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2792407A4 (en) * | 2011-12-15 | 2015-08-19 | Sakai Chemical Industry Co | Granular body of titanium oxide having transition metal and/or transition metal oxide supported thereon, and method for decomposing waste plastic/organic material using said granular body |
| CN109158100A (en) * | 2018-09-28 | 2019-01-08 | 广东省环境科学研究院 | A kind of catalyst and preparation method thereof of catalytic cracking waste-plastic production fuel oil |
| CN110339858A (en) * | 2019-07-17 | 2019-10-18 | 河南科技学院 | Bi for synthesis of methyl phenyl carbonic ester2O3- PbO-SBA-15 catalyst, preparation method and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201716A (en) * | 1997-06-06 | 1998-12-16 | 中国石油化工总公司 | Catalyst for toluene disproportionation and alkyl transfer |
| CN101284235A (en) * | 2008-04-28 | 2008-10-15 | 同济大学 | Catalyst for catalytic cracking mixed waste plastic and preparation method thereof |
| CN101607207A (en) * | 2008-06-19 | 2009-12-23 | 中国石油天然气股份有限公司 | A kind of heavy arenes lightening catalyst and its production and application |
-
2010
- 2010-09-27 CN CN 201010292245 patent/CN101954292A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201716A (en) * | 1997-06-06 | 1998-12-16 | 中国石油化工总公司 | Catalyst for toluene disproportionation and alkyl transfer |
| CN101284235A (en) * | 2008-04-28 | 2008-10-15 | 同济大学 | Catalyst for catalytic cracking mixed waste plastic and preparation method thereof |
| CN101607207A (en) * | 2008-06-19 | 2009-12-23 | 中国石油天然气股份有限公司 | A kind of heavy arenes lightening catalyst and its production and application |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2792407A4 (en) * | 2011-12-15 | 2015-08-19 | Sakai Chemical Industry Co | Granular body of titanium oxide having transition metal and/or transition metal oxide supported thereon, and method for decomposing waste plastic/organic material using said granular body |
| CN109158100A (en) * | 2018-09-28 | 2019-01-08 | 广东省环境科学研究院 | A kind of catalyst and preparation method thereof of catalytic cracking waste-plastic production fuel oil |
| CN110339858A (en) * | 2019-07-17 | 2019-10-18 | 河南科技学院 | Bi for synthesis of methyl phenyl carbonic ester2O3- PbO-SBA-15 catalyst, preparation method and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101284235B (en) | Preparation method of catalyst for catalytic cracking mixed waste plastic | |
| Martínez-Vargas et al. | Recent advances in bifunctional catalysts for the Fischer–Tropsch process: one-stage production of liquid hydrocarbons from syngas | |
| Inaba et al. | Hydrogen production by gasification of cellulose over Ni catalysts supported on zeolites | |
| CN103289740B (en) | Method for preparing clean fuel oil from coal tar | |
| WO2007063874A1 (en) | Process for producing environmentally friendly fuel and environmentally friendly fuel | |
| CN103121906B (en) | Method for preparing mononuclear aromatics by using polycyclic aromatic hydrocarbon | |
| Wang et al. | Thermocatalytic hydrogenation of CO2 into aromatics by tailor‐made catalysts: Recent advancements and perspectives | |
| CN101558135A (en) | Fluid catalytic cracking of oxygenated compounds | |
| Ramesh et al. | Mg/SiO2–Al2O3 supported nickel catalysts for the production of naphthenic hydrocarbon fuel by hydro-de-oxygenation of eugenol | |
| CN101116827A (en) | Catalyzer for preparing low carbon olefinic hydrocarbon through hydrocarbons catalytic oxidation cracking | |
| CN102239233A (en) | Hydrocarbon composition useful as fuel and combustible obtained from oil components and a biological component | |
| Liu et al. | Upgrading of palmitic acid and hexadecanamide over Co-based catalysts: Effect of support (SiO2, γ-Al2O3 and H-ZSM-22) | |
| CN102029157A (en) | Catalyst used for coal tar pitch hydrocracking lightening reaction | |
| CN105623702A (en) | Method for synthesizing aviation kerosene cycloparaffin and aroma components by utilization of wood chips | |
| Zhang et al. | Hydrodeoxygenation of lignin-derived phenolics to cycloalkanes over Ni–Co alloy coupled with oxophilic NbOx | |
| James et al. | A review on conversion of triglycerides to on‐specification diesel fuels without additional inputs | |
| CN101954292A (en) | Catalytic reforming catalyst for catalytic pyrolysis of waste plastic for preparing fuel oil and preparation method thereof | |
| CN102839020A (en) | Method for producing gasoline and diesel oil by mixing and refining plastic oil, coal tar, ethylene tar or tire oil | |
| CN102008974B (en) | Preparation method and use method of two-stage bed reaction catalyst used in coal tar pitch lightening process | |
| CN110511776A (en) | A kind of biomass pyrolytic produces the device and method of biological petrol and diesel oil | |
| CN102876376A (en) | Method for improving hydrogenation production of gasoline and diesel oil by coal tar | |
| CN102676219A (en) | Method for utilizing coal tar to produce gasoline and diesel | |
| CN101767032A (en) | Deep hydrodesulfurization solid-acid catalyst of gasoline and preparation method thereof | |
| Kimura et al. | Conversion of isoprenoid oil by catalytic cracking and hydrocracking over nanoporous hybrid catalysts | |
| Nagaraj et al. | Enhancing the Production Yield of Jatropha and Pongamia Oil‐Based Biodiesel by Introducing Nanocatalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110126 |