CN103497840B - Method for comprehensively utilizing abandoned oil in coking industries - Google Patents
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- CN103497840B CN103497840B CN201310464470.9A CN201310464470A CN103497840B CN 103497840 B CN103497840 B CN 103497840B CN 201310464470 A CN201310464470 A CN 201310464470A CN 103497840 B CN103497840 B CN 103497840B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
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Abstract
The invention provides a method for comprehensively utilizing abandoned oil in coking industries, and belongs to the technical fields of energy chemical industries and environments. The method is characterized by being a technical scheme of an application method of a poly-generation energy chemical engineering and power system combined with the comprehensive utilization of the abandoned oil in the coking industries. According to the method, an advanced photo-catalytic oxidation technology is used for transforming abandoned oil so as to produce environment-friendly diesel oil, the product treatment is convenient, raw materials are easy to purchase, and the production cost is low. A coke oven gas byproduct obtained by coking and CO2 generated in an environment-friendly diesel oil production process are exactly subjected to hydrocarbon complementation so as to produce a synthesis gas, so that the processes of using an additional gasification furnace for supplementing a carbon source and transforming water gas so as to adjust hydrogen are avoided; and the produced synthesis gas can be directly used for the synthesis of down-stream chemical products, so that a production system is simplified, and the production energy consumption is reduced. The method has the advantages that the conversion and utilization of CO2 are realized, the utilization rate of coke oven gas resources is realized, the CO2 emission is reduced, the whole production system is highly integrated, all production links are completely matched, elements are reasonably transformed and utilized in a classification manner, and a complete environment-friendly cycle production chain is formed.
Description
Technical field
The present invention
oneplant the method for coking industry abendoned oil comprehensive utilization, belong to derived energy chemical and environmental technology field, be specifically related to one and utilize photocatalytic conversion vegetable and animals oils and abendoned oil green diesel processed, and be applied to coal separation and coking industry, particularly relate to the technical scheme of a kind of coking industry in conjunction with the Poly-generation derived energy chemical of abendoned oil comprehensive utilization and the application method of power system.
Background technology
Coking industry is one of major way of coal comprehensive utilization.Along with developing rapidly of coking industry, coke-oven gas has become a kind of large-tonnage secondary energy and chemical resource.Independent coal chemical enterprise is that to produce coke be the enterprise that object is built, its coke-oven gas 48% for outside conducting self-heating, approximately 52% residue coke-oven gas belongs to available resources.According to statistics, within 2012, China's coke output reaches 4.4 hundred million t, produces 0.74 t coke and 325 Nm by 1 t dry coal
3coke-oven gas calculates, every year can commercial coke oven coal gas 1,932 hundred million Nm
3if wherein half is as fuel recovery utilization, all the other can also have 96,600,000,000 Nm for the coke-oven gas developing
3.But, the independent coal chemical enterprise " Jiao does not change " of many single coking, this part available coke-oven gas is not all fully utilized at present, and major part is directly burning or emptying all, both cause the environment in coke producing region sharply to worsen, caused again the wasting of resources.The coke-oven gas that coal chemical enterprise taking coke production as object produces is residual content maximum, need most the resource of comprehensive utilization.Industrial hydrogen gas production energy consumption is high, and investment is large.In coke-oven gas, approximately contain 55% H
2with 25% CH
4, if the hydrogen in coke-oven gas directly can be utilized or indirectly for downstream chemical process, will greatly reduce the complexity of system, improve the economy of production system.At present, as coal chemical enterprise independently, the technology of the ripe application of coke-oven gas and exploitation has coke-oven gas preparing natural gas, methyl alcohol, dme, synthetic wet goods.But, due to the rich hydrogen of coke-oven gas, in above-mentioned chemical building-up process, for reaching the synthetic best H/C ratio of chemical, its synthetic gas all will take to mend carbon, and the measure of conventionally taking is another standby a set of gasification installation, utilize gasification gas to mend carbon, so, not only increase the complexity that system is produced, also increased investment of production cost simultaneously.In addition, first the various coal blendings of using in coke making process need through coal preparation technique, and floatation process in coal preparation technique is the effective means of rationally utilizing Bed for Fine Coal, improve the utilization ratio of coal.The productive rate that needs to increase by adding flotation reagent cleaned coal in floatation process, reduces smart pit ash and sulphur content, thereby reaches the index request of coking coal.At present floatation process generally the flotation agent of use be that petroleum base kerosene or diesel oil are joined secondary octanol pore forming material as collecting agent and used.In short supply due to petroleum resources, uses petroleum base diesel oil or kerosene to make flotation agent and not only makes coal separation production cost increase, and also sulphur content wherein may be updated in flotation coal and reduce ature of coal.Visible, from coal separation to coking, more all there is the low and high problem of production cost of efficiency of energy utilization in the whole production chain process of recycling to product.
Green diesel (Carlo Perego, Daniele Bianchi.
chemical Engineering Journal161 (2010) 314-322) as a kind of renewable energy source, compare with biofuel (main component is fatty acid methyl ester) with traditional petroleum diesel, can be directly used in automobile, do not need car engine to modify; Cetane value is higher, has higher engine efficiency as automobile fuel; Green diesel is a kind of mixture of hydrocarbon polymer, instead of an oxygen-containing organic compound, owing to lacking two keys and Sauerstoffatom, has better stability and Combination; Therefore, green diesel as petroleum diesel alternative fuel, can effectively alleviate the situation of diesel oil supply shortage.In addition, green diesel is due to similar to petroleum base diesel oil on composition, replace petroleum base diesel oil or the kerosene flotation agent as coal, can avoid sulphur content to be brought in flotation coal and reduce ature of coal, can effectively improve coal separation environmental-protecting performance and reduce coal separation production cost.The problems such as green diesel production technique is simple, can avoid traditional biological diesel production process (mainly adopting ester-interchange method) to produce a large amount of containing waste water such as salkali waste or spent acid, and seriously polluted, catalysagen material cost is high, severe reaction conditions.Sun power adds photocatalyst cracking organism and has mature technology and market, utilize the organic principle of photochemical catalytic oxidation and feature (
m. Montazer, et al. International Journal of Biological Macromolecules 50 (2012) 1018-1025), waste grease can be carried out to the green diesel of the materials such as cracking or decarboxylic reaction generation hydrocarbon-containifirst, lipid acid, ester class, this process operation is simple, technique environmental protection, cost are lower, can realize the clean conversion utilization of waste grease, has comparatively wide promotion prospect
Therefore, how to develop environmental protection, novel green diesel oil (Floating agent for coal) production process cheaply, and in conjunction with coal separation and coking industry feature, production process route reasonable in design, effectively utilize the carbon, the hydrogen resource that in production process, produce, realize the staged conversion of production process Energy resources and the cascade utilization of energy, significant for the high-efficiency cleaning comprehensive utilization of the energy.
Summary of the invention
The method of a kind of coking industry abendoned oil comprehensive utilization of the present invention, object is for above research background, open one is utilized photocatalytic conversion vegetable and animals oils or abendoned oil production green diesel, and use it for the flotation of coke making and coal blending, the technical scheme in conjunction with the coking industry of the feature of coking production process in conjunction with the Poly-generation derived energy chemical of abendoned oil comprehensive utilization and the application method of power system.
The method of a kind of coking industry abendoned oil comprehensive utilization of the present invention, it is characterized in that one utilizes photocatalytic conversion vegetable and animals oils or abendoned oil production green diesel, and use it for the flotation of coke making and coal blending, technical scheme in conjunction with the coking industry of the feature of coking production process in conjunction with the Poly-generation derived energy chemical of abendoned oil comprehensive utilization and the application method of power system, its main technique method comprises the following steps (seeing shown in accompanying drawing 1):
A) raw oil material is sent into the light transmission reactor that is filled with photocatalyst, under sunlight, UV-light or visible illumination condition, temperature of reaction is 20-100
oc, pressure is 1 atm, raw oil material is cracked into green diesel, and produces CO
2gas;
B) the directly flotation for coke making and coal blending as flotation agent of green diesel step a) being produced;
C) coking coal step being obtained by flotation in b) is sent into pit kiln, obtains major product coke and byproduct raw gas, and raw gas reclaims and sulfur removal technology obtains clean coke-oven gas through chemical products again;
D) by step c) in produce coke-oven gas and a) in produce CO
2gas and the CO that adds to reformer unit
2after mixing, enter CH
4/ CO
2in fixed bed reforming reactor, under reforming catalyst effect, temperature of reaction is 500-900
oc, pressure is 1-5 atm, CH reacts
4+ CO
2=2CO+2H
2, CH
4+ CO
2be converted into CO+H
2;
E) by steps d) middle CH
4/ CO
2the gas of reforming reactor outlet (is mainly containing CO+H
2synthetic gas) be directly passed into chemical synthesis reactor, for the synthesis of chemical;
F) by step e) in chemical synthesis reactor exported product be sent to separating unit, through separating technologies such as flash distillations, rectifying, realize chemical products and have neither part nor lot in separating of chemosynthesis reaction gas;
G) gas that step is had neither part nor lot in to chemosynthesis reaction in f) is sent into gas turbine power generation as geseous fuel, enters steam turbine generating after gas turbine exhaust gas recovery waste heat.
The method of above-mentioned a kind of coking industry abendoned oil comprehensive utilization, is characterized in that described raw oil material comprises: rapeseed oil, soybean oil, plam oil, various waste oils and fats or sewer oil.
The method of above-mentioned a kind of coking industry abendoned oil comprehensive utilization, is characterized in that described photocatalyst is titanium dioxide, N-TiO
2, any one in oxyhalogen bismuth, vanadate and zinc oxide.
The method of above-mentioned a kind of coking industry abendoned oil comprehensive utilization, is characterized in that described chemical is methyl alcohol, dme, F-T synthetic oil or methylcarbonate.
The method of above-mentioned a kind of coking industry abendoned oil comprehensive utilization, is characterized in that adding in described step d) the CO of reformer unit
2quantity is greater than 0, determines whether supplement and magnitude of recruitment, supplementary CO according to the requirement of downstream synthesis of chemicals
2source is the CO beyond described system
2or the CO of described internal system generation
2.
The method of above-mentioned a kind of coking industry abendoned oil comprehensive utilization, is characterized in that described reforming catalyst is Mg/Al
2o
3, Ni/Al
2o
3, Ni-Mg/ Al
2o
3, La
2niO
4/ Al
2o
3, and Ni/CaO/ZrO
2in any one.
The advantage of the method for a kind of coking industry abendoned oil comprehensive utilization of the present invention is:
1) adopt advanced photocatalysis oxidation technique to transform abendoned oil production green diesel, energy-conserving and environment-protective, simple to operate, product is processed convenient, and raw material is easily purchased with production cost low;
2) CO that the coke-oven gas of coking by-product can produce with green diesel production process just
2carry out the hydrocarbon complementary synthetic gas of producing, avoided extra vapourizing furnace supplementary carbon source and water-gas shift to adjust hydrogen process, the synthetic gas of generation can be directly used in the synthetic of downstream chemical product, has simplified production system, has reduced production energy consumption;
3) realized CO
2conversion with the use, improved the coke-oven gas level of resources utilization, reduced CO
2discharge, whole production system height is integrated, each production link matching complete, the reasonable staged conversion utilization of element, has formed complete environment-protective circulating and has produced chain.
Brief description of the drawings
Fig. 1 is a kind of schema of coking industry abendoned oil comprehensive utilization
embodiment
Below in conjunction with accompanying drawing and specific examples, the invention will be further described, understands the claimed technological thought of the present invention so that clearer.
embodiment 1
As shown in Figure 1, the sewer oil of collection is obtained to 100 t raw materials through deviating from after impurity is processed, raw material is sent in the light transmission chilled glass reactor that is filled with titanium dioxide optical catalyst, raw material is 100:1 with catalyst quality ratio, under solar irradiation condition, temperature of reaction 25
oc, reaction pressure 1atm, sewer oil generation decomposition reaction produces 90 t green diesel, and its composition quality percentage composition is that hydro carbons 53%((is with C
16straight-chain paraffin be main, a small amount of C
5-C
9alkane and C
5-C
8alkene)), lipid acid 10%, ester class 34% and water 3%, and CO
2gas 10 t(CO
2molar content is greater than 75%, and other are a small amount of C
3following low-carbon (LC) hydro carbons).The directly flotation for coke making and coal blending as flotation agent of the green diesel generating, can obtain 90000 tons, smart coking coal.The cleaned coal that flotation is obtained is sent into pit kiln, obtains major product coke and byproduct raw gas, and raw gas obtains clean coke-oven gas 2.92 × 10 after wet method crude desulfurization and fine desulfurization process by dry
7nm
3, the CO producing in the coke-oven gas of by-product and green diesel production process
2(and supplementary CO
2) be to send into and be filled with Mg/Al after 5:1 ratio is mixed according to volume ratio
2o
3the CH of catalyzer
4/ CO
2reforming reactor, at CH
4/ CO
2in reforming reactor, CH reacts
4+ CO
2=2CO+2H
2, CH
4+ CO
2be converted into CO+H
2-, CH
4+ CO
2transformation efficiency 90%, reforming reactor exit gas (is rich in CO+H
2synthetic gas (H
2/ CO=2.1)) be sent to methanol sythesis reactor synthesizing methanol, from rectifying tower isolate methyl alcohol, venting (CO speeds
2molar content is greater than 85%) and unreacting gas, be rich in CO
2speed venting as CO
2supplementary gas is sent to CH
4/ CO
2reforming reactor, suitably part circulation is to increase chemical productive rate for unreacting gas, and methanol output is 1.8 ten thousand t, and unreacting gas circulation ratio is 0.5, and remaining unreacting gas is sent to gas-steam combined cycle system generating, CO in combustion tail gas as fuel gas
2total release is coke-oven gas carbon content 28%.
embodiment 2
As shown in Figure 1, the sewer oil of collection is obtained to 100 t raw materials through deviating from after impurity is processed, raw material is sent in the light transmission chilled glass reactor that is filled with bromine oxygen bismuth photocatalyst, raw material is 100:1 with catalyst quality ratio, under solar irradiation condition, temperature of reaction 25
oc, reaction pressure 1atm, sewer oil generation decomposition reaction produces 88 t green diesel, and its composition quality percentage composition is that hydro carbons 46.5%((is with C
16straight-chain paraffin be main, a small amount of C
5-C
9alkane and C
5-C
8alkene)), lipid acid 12.4%, ester class 36.2% and water 4.9%, and CO
2gas 12 t(CO
2molar content is greater than 80%, and other are a small amount of C
3following low-carbon (LC) hydro carbons).The directly flotation for coke making and coal blending as flotation agent of the green diesel generating, can obtain 86000 tons, smart coking coal.The cleaned coal that flotation is obtained is sent into pit kiln, obtains major product coke and byproduct raw gas, and raw gas obtains clean coke-oven gas 2.81 × 10 after wet method crude desulfurization and fine desulfurization process by dry
7nm
3, the CO producing in the coke-oven gas of by-product and green diesel production process
2(and supplementary CO
2) be to send into and be filled with La after 5:1 ratio is mixed according to volume ratio
2niO
4/ Al
2o
3the CH of catalyzer
4/ CO
2reforming reactor, at CH
4/ CO
2in reforming reactor, CH reacts
4+ CO
2=2CO+2H
2, CH
4+ CO
2be converted into CO+H
2-, CH
4+ CO
2transformation efficiency 92%, reforming reactor exit gas (is rich in CO+H
2synthetic gas (H
2/ CO=2.1)) be sent to methanol sythesis reactor synthesizing methanol, from rectifying tower isolate methyl alcohol, venting (CO speeds
2molar content is greater than 85%) and unreacting gas, be rich in CO
2speed venting as CO
2supplementary gas is sent to CH
4/ CO
2reforming reactor, unreacting gas can suitably partly circulate to increase chemical productive rate, and methanol output is 2.1 ten thousand t, and unreacting gas circulation ratio is 0.4, and remaining unreacting gas is sent to gas-steam combined cycle system generating, CO in combustion tail gas as fuel gas
2total release is coke-oven gas carbon content 26%.
embodiment 3
As shown in Figure 1, the sewer oil of collection is obtained to 100 t raw materials through deviating from after impurity is processed, raw material is sent in the light transmission chilled glass reactor that is filled with iodine oxygen bismuth photocatalyst, raw material is 100:1 with catalyst quality ratio, under solar irradiation condition, temperature of reaction 25
oc, reaction pressure 1atm, sewer oil generation decomposition reaction produces 85 t green diesel, and its composition quality percentage composition is that hydro carbons 44.4%((is with C
16straight-chain paraffin be main, a small amount of C
5-C
9alkane and C
5-C
8alkene)), lipid acid 13.9%, ester class 36.1% and water 6.6%, and CO
2gas 15 t(CO
2molar content is greater than 83%, and other are a small amount of C
3following low-carbon (LC) hydro carbons).The directly flotation for coke making and coal blending as flotation agent of the green diesel generating, can obtain 79500 tons, smart coking coal.The cleaned coal that flotation is obtained is sent into pit kiln, obtains major product coke and byproduct raw gas, and raw gas obtains clean coke-oven gas 2.59 × 10 after wet method crude desulfurization and fine desulfurization process by dry
7nm
3, the CO producing in the coke-oven gas of by-product and green diesel production process
2(and supplementary CO
2) be to send into and be filled with Ni-Mg/ Al after 5:1 ratio is mixed according to volume ratio
2o
3the CH of catalyzer
4/ CO
2reforming reactor, at CH
4/ CO
2in reforming reactor, CH reacts
4+ CO
2=2CO+2H
2, CH
4+ CO
2be converted into CO+H
2-, CH
4+ CO
2transformation efficiency 95%, reforming reactor exit gas (is rich in CO+H
2synthetic gas (H
2/ CO=2.1)) be sent to methanol sythesis reactor synthesizing methanol, from rectifying tower isolate methyl alcohol, venting (CO speeds
2molar content is greater than 85%) and unreacting gas, be rich in CO
2speed venting as CO
2supplementary gas is sent to CH
4/ CO
2reforming reactor, unreacting gas can suitably partly circulate to increase chemical productive rate, and methanol output is 2.4 ten thousand t, and unreacting gas circulation ratio is 0.4, and remaining unreacting gas is sent to gas-steam combined cycle system generating, CO in combustion tail gas as fuel gas
2total release is coke-oven gas carbon content 25%.
Concerning being engaged in those skilled in the art, can be according to above description scheme and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.
Claims (3)
1. the method for a coking industry abendoned oil comprehensive utilization, it is characterized in that one utilizes photocatalytic conversion vegetable and animals oils or abendoned oil production green diesel, and use it for the flotation of coke making and coal blending, the technical scheme of the Poly-generation derived energy chemical fully utilizing in conjunction with the coking industry coupling abendoned oil of coking production process feature and the application method of power system, its main technique method comprises the following steps:
A) raw oil material is sent into the light transmission reactor that is filled with photocatalyst, under sunlight, UV-light or visible illumination condition, temperature of reaction is 20-100 DEG C, and pressure is 1 atm, and raw oil material is cracked into green diesel, and produces CO
2gas, photocatalyst is the one in titanium dioxide or bromine oxygen bismuth or iodine oxygen bismuth;
B) the directly flotation for coke making and coal blending as flotation agent of green diesel step a) being produced;
C) coke making and coal blending step being obtained by flotation in b) is sent into pit kiln, obtains major product coke and byproduct raw gas, and raw gas reclaims and sulfur removal technology obtains clean coke-oven gas through chemical products again;
D) by step c) in produce coke-oven gas and a) in produce CO
2gas and the CO that adds to reformer unit
2after mixing, enter CH
4/ CO
2in fixed bed reforming reactor, under reforming catalyst effect, temperature of reaction is 500-900 DEG C, and pressure is 1-5 atm, and CH reacts
4+ CO
2=2CO+2H
2, CH
4+ CO
2be converted into synthetic gas CO+H
2;
E) by steps d) middle CH
4/ CO
2main CO and the H of containing of reforming reactor outlet
2synthetic gas be directly passed into chemical synthesis reactor, for the synthesis of chemical;
F) by step e) in chemical synthesis reactor exported product be sent to separating unit, through separating technologies such as flash distillations, rectifying, realize chemical products and have neither part nor lot in separating of chemosynthesis reaction gas;
G) gas that step is had neither part nor lot in to chemosynthesis reaction in f) is sent into gas turbine power generation as geseous fuel, enters steam turbine generating after gas turbine exhaust gas recovery waste heat;
Wherein, described raw oil material comprises: rapeseed oil, soybean oil, plam oil, various waste oils and fats or sewer oil.
2. according to the method for a kind of coking industry abendoned oil comprehensive utilization described in claim 1, it is characterized in that described chemical is methyl alcohol, dme, F-T synthetic oil or methylcarbonate.
3. according to the method for a kind of coking industry abendoned oil comprehensive utilization described in claim 1, it is characterized in that described reforming catalyst is Mg/Al
2o
3, Ni/Al
2o
3, Ni-Mg/Al
2o
3, La
2niO
4/ Al
2o
3and Ni/CaO/ZrO
2in any one.
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|---|---|---|---|
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|---|---|---|---|
| CN201310464470.9A CN103497840B (en) | 2013-10-09 | 2013-10-09 | Method for comprehensively utilizing abandoned oil in coking industries |
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| CN103497840B true CN103497840B (en) | 2014-11-26 |
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| CN103881742B (en) * | 2014-04-09 | 2015-08-26 | 太原理工大学 | A kind of benefit carbon method of dry distillation gas methyl methanol syngas |
| CN103937520B (en) * | 2014-04-09 | 2015-08-26 | 太原理工大学 | For the method for coal gas retort from main regulation dry distillation gas hydrogen-carbon ratio |
| CN104449847B (en) * | 2014-12-12 | 2016-08-31 | 浙江大学 | A kind of Driven by Solar Energy carbonaceous material reaction and the light-catalysed method of product |
| CN106520179A (en) * | 2015-09-14 | 2017-03-22 | 上海华西化工科技有限公司 | Method for combined production of fuel oil with coke oven gas and carbon dioxide-enriched gas |
| CN106520178A (en) * | 2015-09-14 | 2017-03-22 | 上海华西化工科技有限公司 | Method for combined production of fuel oil with coke oven gas and small-size coke prepared gas |
| CN106520177A (en) * | 2015-09-14 | 2017-03-22 | 上海华西化工科技有限公司 | Method of directly preparing fuel oil from coke oven gas |
| CN108034436B (en) * | 2017-12-05 | 2019-09-17 | 太原理工大学 | A kind of coke furnace system and its application |
| CN110152736B (en) * | 2019-05-07 | 2020-11-03 | 同济大学 | Expanded perlite-bismuth oxyiodide composite photocatalyst for oily sewage treatment |
| CN110508300A (en) * | 2019-08-29 | 2019-11-29 | 华南农业大学 | Biogas full constituent inverting biological catalyst for methanol NdNiO3/SiC-SiO2- Foam and preparation method thereof |
| CN111534354B (en) * | 2020-05-14 | 2021-09-17 | 太原理工大学 | Process and device for improving quality of waste oil and fat coal boiling |
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| CN101376821B (en) * | 2007-08-27 | 2012-05-30 | 中国石油天然气股份有限公司 | Method for removing sulfur in diesel by photo catalytic oxidation |
| CN101475828A (en) * | 2009-01-21 | 2009-07-08 | 王英国 | Method for preparing biodiesel by catalytic cracking |
| CN101717073B (en) * | 2009-10-29 | 2012-10-03 | 太原理工大学 | Method for preparing synthesis gas from coke oven gas |
| CN102653691B (en) * | 2012-02-29 | 2014-01-01 | 东南大学 | Device and method for preparing oxygen-containing liquid fuel by catalytically converting biological oil |
| CN102847612B (en) * | 2012-03-23 | 2015-02-04 | 太原理工大学 | Biodiesel for coal flotation and preparation method of biodiesel |
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