CN105441095B - A kind of method that material gas is produced using microwave-heating jerusalem artichoke slag - Google Patents
A kind of method that material gas is produced using microwave-heating jerusalem artichoke slag Download PDFInfo
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- 240000008892 Helianthus tuberosus Species 0.000 title claims abstract description 39
- 235000003230 Helianthus tuberosus Nutrition 0.000 title claims abstract description 39
- 239000002893 slag Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 title claims abstract description 9
- 239000002028 Biomass Substances 0.000 claims abstract description 40
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000000047 product Substances 0.000 claims abstract description 8
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical group O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001887 tin oxide Inorganic materials 0.000 claims abstract description 8
- 239000003610 charcoal Substances 0.000 claims abstract description 7
- 239000011541 reaction mixture Substances 0.000 claims abstract description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 7
- 239000012265 solid product Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 9
- 229920001202 Inulin Polymers 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- JYJIGFIDKWBXDU-MNNPPOADSA-N inulin Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)OC[C@]1(OC[C@]2(OC[C@]3(OC[C@]4(OC[C@]5(OC[C@]6(OC[C@]7(OC[C@]8(OC[C@]9(OC[C@]%10(OC[C@]%11(OC[C@]%12(OC[C@]%13(OC[C@]%14(OC[C@]%15(OC[C@]%16(OC[C@]%17(OC[C@]%18(OC[C@]%19(OC[C@]%20(OC[C@]%21(OC[C@]%22(OC[C@]%23(OC[C@]%24(OC[C@]%25(OC[C@]%26(OC[C@]%27(OC[C@]%28(OC[C@]%29(OC[C@]%30(OC[C@]%31(OC[C@]%32(OC[C@]%33(OC[C@]%34(OC[C@]%35(OC[C@]%36(O[C@@H]%37[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O%37)O)[C@H]([C@H](O)[C@@H](CO)O%36)O)[C@H]([C@H](O)[C@@H](CO)O%35)O)[C@H]([C@H](O)[C@@H](CO)O%34)O)[C@H]([C@H](O)[C@@H](CO)O%33)O)[C@H]([C@H](O)[C@@H](CO)O%32)O)[C@H]([C@H](O)[C@@H](CO)O%31)O)[C@H]([C@H](O)[C@@H](CO)O%30)O)[C@H]([C@H](O)[C@@H](CO)O%29)O)[C@H]([C@H](O)[C@@H](CO)O%28)O)[C@H]([C@H](O)[C@@H](CO)O%27)O)[C@H]([C@H](O)[C@@H](CO)O%26)O)[C@H]([C@H](O)[C@@H](CO)O%25)O)[C@H]([C@H](O)[C@@H](CO)O%24)O)[C@H]([C@H](O)[C@@H](CO)O%23)O)[C@H]([C@H](O)[C@@H](CO)O%22)O)[C@H]([C@H](O)[C@@H](CO)O%21)O)[C@H]([C@H](O)[C@@H](CO)O%20)O)[C@H]([C@H](O)[C@@H](CO)O%19)O)[C@H]([C@H](O)[C@@H](CO)O%18)O)[C@H]([C@H](O)[C@@H](CO)O%17)O)[C@H]([C@H](O)[C@@H](CO)O%16)O)[C@H]([C@H](O)[C@@H](CO)O%15)O)[C@H]([C@H](O)[C@@H](CO)O%14)O)[C@H]([C@H](O)[C@@H](CO)O%13)O)[C@H]([C@H](O)[C@@H](CO)O%12)O)[C@H]([C@H](O)[C@@H](CO)O%11)O)[C@H]([C@H](O)[C@@H](CO)O%10)O)[C@H]([C@H](O)[C@@H](CO)O9)O)[C@H]([C@H](O)[C@@H](CO)O8)O)[C@H]([C@H](O)[C@@H](CO)O7)O)[C@H]([C@H](O)[C@@H](CO)O6)O)[C@H]([C@H](O)[C@@H](CO)O5)O)[C@H]([C@H](O)[C@@H](CO)O4)O)[C@H]([C@H](O)[C@@H](CO)O3)O)[C@H]([C@H](O)[C@@H](CO)O2)O)[C@@H](O)[C@H](O)[C@@H](CO)O1 JYJIGFIDKWBXDU-MNNPPOADSA-N 0.000 claims description 3
- 229940029339 inulin Drugs 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000002440 industrial waste Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052799 carbon Inorganic materials 0.000 abstract description 12
- 238000010792 warming Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000197 pyrolysis Methods 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000010248 power generation Methods 0.000 description 6
- 244000298479 Cichorium intybus Species 0.000 description 4
- 235000007542 Cichorium intybus Nutrition 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004177 carbon cycle Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of method that material gas is produced using microwave-heating jerusalem artichoke slag, include the following steps：(1) processing is dried to jerusalem artichoke slag；(2) dry jerusalem artichoke slag and catalyst are mixed to get reaction mixture, the catalyst is tin oxide, sodium carbonate, the mixture of potassium carbonate；(3) the reflection mixture for obtaining step (2) is warming up to 550~680 DEG C with the speed of 200~300 DEG C/min, is pyrolyzed 0.5~15min with being transported in microwave reaction kettle；(4) the separating biomass charcoal from solid product, the isolated biogas from gas-phase product.Obtain CH in biogas4Content reaches more than 75%, and obtained biomass carbon can be directly as the raw material for preparing activated carbon, and the present invention has higher prospects for commercial application.
Description
Technical field
The invention belongs to biomass energy technology field, and in particular to one kind produces material gas using microwave-heating jerusalem artichoke slag
Method.
Background technology
With the fast development of world economy, the depletion rate of energy resources also increases rapidly, and coal, oil, natural gas
Deng traditional fossil energy resource increasingly depleted, the mankind are existing to supplement and substitute there is an urgent need to develop reproducible energy resources
Fossil energy.Biomass energy is subject to attention both domestic and external, is considered as after coal as important environmental-friendly regenerative resource
The fourth largest source after charcoal, oil and natural gas.
Biomass material can be converted into the gaseous fuel based on CO and H by biomass pyrogenation gasification, can directly change reality
The supply of existing combustion gas, thermal energy and electric energy.Combustion gas at the same time can be by methanation, and then prepares high-quality biological matter synthetic natural gas
(Bio-SNG), is the important technology approach of biomass energy exploitation.China's Biomass Energy Resources reserves are huge, only agricultural crop straw
About 700,000,000 t/a, equivalent standard coal are about 300,000,000 t/a；The whole nation can provide 3.3 hundred million t forests biology every year, equivalent to the standard of 200,000,000 t
Coal.Fired as can these biomass resources are converted into gas by pyrolytic gasification, substantial amounts of fossil energy can be substituted, alleviate me
Interdependency of the state to conventional energy resource.Meanwhile biomass utilization is a part for the carbon cycle of nature, during realize CO's
Zero-emission, belongs to renewable clean fuel.
The hot research topic that become international, state are studied in the 1970s, the utilization of biomass energy
The scientific research personnel of outer especially developed country has done substantial amounts of work in association area.There is biomass power generation plant more than 350 in the U.S.,
Paper pulp, paper product processing factory and other forestry products processing factories are distributed in, main research uses biomass combined cycle generation (B/
IGCC), the total installation of generating capacity of biomass power generation has reached more than 10000M, single-machine capacity up to 10~25MW, power generation total amount
More than 40%, the 4% of primary energy consumption amount of U.S.'s renewable energy power generation installation.Germany possesses 140 multiple regions at present
The biomass of cogeneration of heat and power, has nearly 80 in planning and designing or builds rank, mattress Bell spy energy company (Im bert E in addition
Nergietechnik GM B H) one oil-electric engine system of the down-draft type gasifying furnace system that manufactures and designs, gasification efficiency is reachable
60% one 90%, fuel gases calorific value is 1.7 ten thousand~2.5 ten thousand Kj/m.Finland is raw using forest trimmings, papermaking waste etc. in the world
One of most successful country of material power generation, Foster Weiler company is the energy company of Finland's maximum, is mainly processed using timber
Industry, the discarded object of paper-making industry are fuel, and for the maximum water content of discarded object up to 60%, the thermal efficiency of unit is made up to 88%
The Technology of Circulating Fluidized Bed Boiler of the biomass burning made is first, it is possible to provide the biomass power generation power of the assembling unit be 3-47M.Sweden
The planning that cogeneration of heat and power is carried out using its abundant biomass is being carried out with Denmark, biomass energy is being provided high-grade electric energy
While, meet the requirement of heat supply, in the energy that Sweden's district heating and cogeneration of heat and power are consumed, biomass energy ratio has surpassed
Cross 26%E5 J.
Since the main component of jerusalem artichoke, witloof residue is biomass, being translated into by the method for being pyrolyzed or gasifying can
Combustion gas body will be utilized active ingredient, while also can effectively solve to rot to make formed environmental pollution.But jerusalem artichoke, witloof are residual
Slag moisture content is higher, carries out depth drying to it with conventional pyrolytic technique, energy consumption is excessive.For this reason, it may be necessary to provide a kind of new pyrolysis
Technique effectively disposes jerusalem artichoke, witloof biomass residue realizes energy conservation and environmental protection.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of small utilization microwave-heating jerusalem artichoke slag of energy consumption produces material gas
With the method for biomass carbon.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of method that material gas is produced using microwave-heating jerusalem artichoke slag, is included the following steps：
(1) processing is dried to jerusalem artichoke slag；
(2) dry jerusalem artichoke slag and catalyst are mixed to get reaction mixture, the catalyst is tin oxide, carbonic acid
The mixture of sodium, potassium carbonate；
(3) the reflection mixture for obtaining step (2) is with being transported in microwave reaction kettle, with the speed of 200~300 DEG C/min
Degree is warming up to 550~680 DEG C, is pyrolyzed 0.5~15min, preferably 580~650 DEG C of pyrolysis temperature, most preferably 620 DEG C, pyrolysis time
It is preferred that 5min；
(4) the separating biomass charcoal from solid product, the isolated biogas from gas-phase product.
Wherein, the jerusalem artichoke slag is to utilize the industrial waste rich in biomass remaining after jerusalem artichoke extraction inulin.
In step (1), the drying process, is that jerusalem artichoke slag is extruded using plate and frame filter press, reduces jerusalem artichoke slag
In moisture.
In step (2), the jerusalem artichoke slag of the drying, its moisture is less than 30%, and the moisture of preferably witloof slag contains
Measure as less than 20%.
In step (2), the mass ratio of dry jerusalem artichoke slag and catalyst is 100:0.5~10, preferably jerusalem artichoke slag and catalysis
The mass ratio of agent is 100:1~5, the most preferably mass ratio of jerusalem artichoke slag and catalyst is 100:3.
In step (2), tin oxide, sodium carbonate, the mass ratio of potassium carbonate are 1:4:1.
In step (3), the power of microwave is 5~10kW, the preferred 8kW of microwave power.
In step (3), the pressure in microwave reaction kettle is 1~2MPa, the preferred 1.5MPa of pressure in reaction kettle.
In step (4), incondensible H is collected using the method for cooling condensation2、CO、CH4。
Beneficial effect：
Since jerusalem artichoke slag water content remaining after extraction inulin is larger, if making its drying, the energy by the method for drying
Consume bigger, be unfavorable for mass producing, using drying is first extruded it in the present invention, then microwave heats up, microwave heating
Process is also the drying process of jerusalem artichoke slag, and then jerusalem artichoke slag is being pyrolyzed using microwave, is obtaining CH4 contents in biogas
Reach more than 75%, obtained biomass carbon can be directly as the raw material for preparing activated carbon, and the present invention has higher industry should
Use prospect.
Embodiment
According to following embodiments, the present invention may be better understood.It is however, as it will be easily appreciated by one skilled in the art that real
Apply the described content of example and be merely to illustrate the present invention, without sheet described in detail in claims should will not be limited
Invention.
Embodiment 1：
(1) processing is dried to jerusalem artichoke slag, its moisture is reduced to less than 30%；
(2) it is 100 according to mass ratio by dry jerusalem artichoke slag and catalyst:3 are mixed to get reaction mixture, and described urges
Agent is tin oxide, sodium carbonate, the mass ratio of potassium carbonate are 1:4:1 mixture；
(3) the reflection mixture for obtaining step (2) is with being transported in microwave reaction kettle, microwave power 8kW, and pressure is
1.5MPa, is warming up to 600 DEG C with the speed of 200 DEG C/min, is pyrolyzed 3min；
(4) the separating biomass charcoal from solid product, the isolated biogas from gas-phase product.
Obtained biomass carbon and biogas is analyzed, analysis result is as shown in Table 1 and Table 2.Obtained biology
The calorific value of matter gas is 29.7KJ/kg, and the yield of biogas is 47%.
1 biomass carbon analysis result of table
| Biomass carbon | Calorific value | Yield | Specific surface area |
| Parameter | 25.1KJ/kg | 50% | 320 |
2 biogas analysis result of table
| Gas component | Content |
| H2 | 3% |
| CO | 5% |
| CH4 | 78% |
| CO2 | 3% |
Embodiment 2：Influence of the pyrolysis temperature to biogas and biomass carbon quality.
(1) processing is dried to jerusalem artichoke slag, its moisture is reduced to less than 30%；
(2) it is 100 according to mass ratio by dry jerusalem artichoke slag and catalyst:0.1 is mixed to get reaction mixture, described
Catalyst is tin oxide, sodium carbonate, the mass ratio of potassium carbonate are 1:4:1 mixture；
(3) the reflection mixture for obtaining step (2) is with being transported in microwave reaction kettle, microwave power 8kW, and pressure is
1.5MPa, is warming up to 550 DEG C with the speed of 200 DEG C/min, is pyrolyzed 5min；
(4) the separating biomass charcoal from solid product, the isolated biogas from gas-phase product.
Obtained biomass carbon and biogas is analyzed, analysis result is as shown in 3~table of table 5.
3 biomass carbon analysis result of table
| Pyrolysis temperature | Calorific value (KJ/kg) | Yield | Specific surface area |
| 550 | 22.3 | 42% | 280 |
| 580 | 23.6 | 45% | 295 |
| 620 | 28.2 | 43% | 310 |
| 650 | 25.4 | 40% | 315 |
| 680 | 23.8 | 42% | 330 |
4 biogas analysis result of table
Influence of 5 pyrolysis temperature of table to biogas
| Temperature | Calorific value (KJ/kg) | Yield |
| 550 | 24.3 | 43% |
| 580 | 26.1 | 42% |
| 620 | 28.7 | 45% |
| 650 | 25.1 | 47% |
| 680 | 24.4 | 45% |
Embodiment 3：Influence of the pyrolysis time to biogas and biomass carbon quality.
(1) processing is dried to jerusalem artichoke slag, its moisture is reduced to less than 30%；
(2) it is 100 according to mass ratio by dry jerusalem artichoke slag and catalyst:0.5 is mixed to get reaction mixture, described
Catalyst is tin oxide, sodium carbonate, the mass ratio of potassium carbonate are 1:4:1 mixture；
(3) the reflection mixture for obtaining step (2) is with being transported in microwave reaction kettle, microwave power 8kW, and pressure is
1.5MPa, is warming up to 620 DEG C with the speed of 200 DEG C/min, is pyrolyzed 0.5~15min；
(4) the separating biomass charcoal from solid product, the isolated biogas from gas-phase product.
Obtained biomass carbon and biogas is analyzed, analysis result is as shown in 6~table of table 8.
6 biomass carbon analysis result of table
| Pyrolysis time | Calorific value (KJ/kg) | Yield | Specific surface area |
| 0.5 | 20.3 | 28% | 250 |
| 1 | 21.5 | 32% | 260 |
| 5 | 29.2 | 44% | 320 |
| 10 | 28.4 | 41% | 310 |
| 15 | 27.9 | 46% | 320 |
7 biogas analysis result of table
Influence of 8 pyrolysis temperature of table to biogas
| Temperature | Calorific value (KJ/kg) | Yield |
| 0.5 | 22.5 | 34% |
| 1 | 27.4 | 36% |
| 5 | 28.7 | 45% |
| 10 | 29.1 | 48% |
| 15 | 28.2 | 46% |
Claims (1)
- A kind of 1. method that material gas is produced using microwave-heating jerusalem artichoke slag, it is characterised in that include the following steps：(1) processing is dried to jerusalem artichoke slag；(2) dry jerusalem artichoke slag and catalyst are mixed to get reaction mixture, the catalyst is tin oxide, sodium carbonate, The mixture of potassium carbonate；(3) reaction mixture that step (2) obtains is transported in microwave reaction kettle, with the speed liter of 200~300 DEG C/min Temperature is pyrolyzed 0.5~15min to 550~680 DEG C；(4) the separating biomass charcoal from solid product, the isolated biogas from gas-phase product；The jerusalem artichoke slag is to utilize the industrial waste rich in biomass remaining after jerusalem artichoke extraction inulin；In step (1), the drying process, is that jerusalem artichoke slag is extruded using plate and frame filter press, is reduced in jerusalem artichoke slag Moisture；In step (2), the jerusalem artichoke slag of the drying, its moisture is less than 30%；In step (2), the mass ratio of dry jerusalem artichoke slag and catalyst is 100:0.5~10；In step (2), tin oxide, sodium carbonate, the mass ratio of potassium carbonate are 1:4:1；In step (3), the power of microwave is 5~10kW；In step (3), the pressure in microwave reaction kettle is 1~2MPa；In step (4), incondensible H is collected using the method for cooling condensation2、CO、CH4。
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311749A (en) * | 2011-08-05 | 2012-01-11 | 浙江国裕资源再生利用科技有限公司 | Method for preparing fuel oil from solid super strong acid catalyzed and cracked papermaking waste residues |
| CN103421529A (en) * | 2012-05-16 | 2013-12-04 | 中国科学院化学研究所 | Biomass catalytic pyrolysis method and ceramic solid acid catalyst |
| CN103554001A (en) * | 2013-11-01 | 2014-02-05 | 中国科学技术大学 | High-selectivity preparation method of pyrrole compounds |
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|---|---|---|---|---|
| US4678860A (en) * | 1985-10-04 | 1987-07-07 | Arizona Board Of Regents | Process of producing liquid hydrocarbon fuels from biomass |
| CN104357071B (en) * | 2014-10-16 | 2016-10-19 | 昆明理工大学 | A kind of microwave catalysis pyrolysis biomass orientation is utilized to produce biomass carbon, bio-oil and the method for biogas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311749A (en) * | 2011-08-05 | 2012-01-11 | 浙江国裕资源再生利用科技有限公司 | Method for preparing fuel oil from solid super strong acid catalyzed and cracked papermaking waste residues |
| CN103421529A (en) * | 2012-05-16 | 2013-12-04 | 中国科学院化学研究所 | Biomass catalytic pyrolysis method and ceramic solid acid catalyst |
| CN103554001A (en) * | 2013-11-01 | 2014-02-05 | 中国科学技术大学 | High-selectivity preparation method of pyrrole compounds |
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