CN115820277A - Preparation method of biomass liquid fuel - Google Patents
Preparation method of biomass liquid fuel Download PDFInfo
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- CN115820277A CN115820277A CN202211461973.6A CN202211461973A CN115820277A CN 115820277 A CN115820277 A CN 115820277A CN 202211461973 A CN202211461973 A CN 202211461973A CN 115820277 A CN115820277 A CN 115820277A
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- Prior art keywords
- biomass
- liquid fuel
- catalyst
- mixture
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- 239000002028 Biomass Substances 0.000 title claims abstract description 52
- 239000000446 fuel Substances 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 238000005336 cracking Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000003225 biodiesel Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000004927 clay Substances 0.000 claims description 9
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- PKQYSCBUFZOAPE-UHFFFAOYSA-N 1,2-dibenzyl-3-methylbenzene Chemical compound C=1C=CC=CC=1CC=1C(C)=CC=CC=1CC1=CC=CC=C1 PKQYSCBUFZOAPE-UHFFFAOYSA-N 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 abstract description 10
- 239000012075 bio-oil Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 2
- 150000004767 nitrides Chemical class 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract description 2
- 239000011593 sulfur Substances 0.000 abstract description 2
- 230000011218 segmentation Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
A preparation method of biomass liquid fuel comprises the following steps: biomass, a heat carrier and a catalyst which are subjected to crushing treatment are subjected to biomass-to-catalyst mixing according to the mass ratio: heat carrier: catalyst =1:5:0.05, placing the mixture into a reaction kettle, heating the mixture to 290-330 ℃, and cracking the mixture for 30 min-2 h to obtain a cracking product, and treating the cracking product to obtain the biomass liquid fuel and the biochar. The biomass liquid fuel is subjected to hydrofining to obtain biodiesel, biogasoline and aviation oil. The use of the heat carrier can timely and uniformly transfer heat to the biomass, the cracking temperature is low, namely 290-330 ℃, the energy consumption is low, the benefit is high, the heat carrier can be recycled, and zero emission is realized in the cracking process; compared with the dry distillation bio-oil, the density of the bio-oil prepared by the method is lower than that of the dry distillation bio-oil by 0.86g/cm 3 (ii) a The biomass oil prepared by the method has high heat value which is 45.5MJ/Kg; the biomass oil prepared by the method has high purity, no pollution and no sulfur, wax, oxide and nitride.
Description
Technical Field
The invention relates to the technical field of preparation of biomass liquid fuel, in particular to a preparation method of biomass liquid fuel.
Background
The existing biomass liquid fuel is generally prepared by directly dry distilling and cracking biomass, and has the defects that a liquid heat carrier is not used in the cracking process, the cracking temperature is high and is 500-800 ℃, and the yield is low and the energy consumption is high; the biomass liquid fuel prepared by the method has high density of 1.2g/cm 3 The calorific value is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a novel preparation method of biomass liquid fuel.
Preparation of biomass liquid fuelThe method comprises the following steps: biomass, a heat carrier and a catalyst which are subjected to crushing treatment are subjected to biomass-to-catalyst mixing according to the mass ratio: heat carrier: catalyst =1:5:0.05 is placed in a reaction kettle, the heating temperature is 290-330 ℃, the cracking time is 30 min-2 h, the obtained cracking product is processed to obtain the biomass liquid fuel (the density is 0.86 g/cm) 3 ) And biochar.
The heat carrier is sand or heat conducting oil; the heat conduction oil is dibenzyl toluene or biomass oil with the boiling point, the flash point and the spontaneous combustion point the same as those of the dibenzyl toluene.
The catalyst is a mixture of a silicon-aluminum molecular sieve and clay, and the mass ratio of the silicon-aluminum molecular sieve: clay =1:1.2.
the beneficial effects of the invention are:
1. the use of the heat carrier can timely and uniformly transfer heat to the biomass, so that the biomass has good fluidity, the cracking temperature is low, namely 290-330 ℃, the energy consumption is low, the yield of the biomass liquid fuel is high, the heat carrier can be recycled, and the zero emission is realized in the cracking process.
2. Compared with the dry distillation bio-oil, the biomass liquid fuel prepared by the method has low density, and the density of the dry distillation bio-oil is 1.2g/cm 3 The density of the biodiesel prepared by hydrofining the biomass liquid fuel prepared by the method is 0.837g/cm 3 。
3. The heat value of the biological liquid fuel prepared by the method is high and is 45.5MJ/Kg.
4. The biological liquid fuel prepared by the method has high purity, no pollution and no sulfur, wax, oxide and nitride.
Detailed Description
A preparation method of biomass liquid fuel comprises the following steps: biomass, a heat carrier and a catalyst which are subjected to crushing treatment are subjected to biomass-to-catalyst mixing according to the mass ratio: heat carrier: catalyst =1:5:0.05, placing the mixture into a reaction kettle, heating the mixture to 290-330 ℃, and cracking the mixture for 30 min-2 h to obtain a cracking product, and treating the cracking product to obtain the biomass liquid fuel and the biochar. The biomass liquid fuel is subjected to hydrofining and segmentation to obtain biodiesel, biogasoline and aviation fuel.
The heat carrier is sand or heat conducting oil; the heat conducting oil is dibenzyl toluene or biomass oil with the same boiling point, flash point and spontaneous combustion point as the dibenzyl toluene.
The catalyst is a mixture of a silicon-aluminum molecular sieve and clay, and the mass ratio of the silicon-aluminum molecular sieve to the clay is as follows: clay =1:1.2.
the clay is commercially available. The white clay is gray particle powder, has larger specific surface area and pore volume, special adsorption capacity and ion exchange performance, stronger decoloring capacity and activity, and good stability after decoloring.
Example 1:
a preparation method of biomass liquid fuel comprises the following steps: biomass, a heat carrier and a catalyst which are subjected to crushing treatment are subjected to biomass-to-catalyst mixing according to the mass ratio: heat carrier: catalyst =1:5:0.05, placing the mixture in a reaction kettle, heating the mixture to 290 ℃, and cracking for 2 hours to obtain a cracking product, and treating the cracking product to obtain the biomass liquid fuel and the biochar. The biomass liquid fuel is subjected to hydrofining and segmentation to obtain biodiesel, biogasoline and aviation fuel.
Example 2:
a preparation method of biomass oil comprises the following steps: biomass, a heat carrier and a catalyst which are subjected to crushing treatment are subjected to biomass mixing according to the mass ratio: heat carrier: catalyst =1:5:0.05, placing the mixture into a reaction kettle, heating the mixture to 330 ℃, and performing pyrolysis for 30min to obtain a pyrolysis product, and treating the pyrolysis product to obtain the biomass liquid fuel and the biochar. The biomass liquid fuel is subjected to hydrofining and segmentation to obtain biodiesel, biogasoline and aviation fuel.
Example 3:
a preparation method of biomass liquid fuel comprises the following steps: biomass, a heat carrier and a catalyst which are subjected to crushing treatment are subjected to biomass-to-catalyst mixing according to the mass ratio: heat carrier: catalyst =1:5:0.05, placing the mixture into a reaction kettle, heating the mixture at 320 ℃, and performing pyrolysis for 1 hour to obtain a pyrolysis product, and treating the pyrolysis product to obtain the biomass liquid fuel and the biochar. The biomass liquid fuel is subjected to hydrofining and segmentation to obtain biodiesel, biogasoline and aviation fuel.
Claims (6)
1. A preparation method of biomass liquid fuel is characterized by comprising the following steps: the method comprises the following steps: biomass, a heat carrier and a catalyst which are subjected to crushing treatment are subjected to biomass-to-catalyst mixing according to the mass ratio: a heat carrier: catalyst =1:5:0.05, placing the mixture into a reaction kettle, heating the mixture to 290-330 ℃, and cracking the mixture for 30 min-2 h to obtain a cracking product, and treating the cracking product to obtain the biomass liquid fuel and the biochar.
2. The method for preparing the biomass liquid fuel according to claim 1, characterized in that: the heating temperature is preferably 320 ℃.
3. The method for preparing the biomass liquid fuel according to claim 1, characterized in that: the heat carrier is sand or heat conducting oil.
4. The method for preparing the biomass liquid fuel according to claim 3, characterized in that: the heat conducting oil is dibenzyl toluene or biomass oil.
5. The method for preparing the biomass liquid fuel according to claim 1, characterized in that: the catalyst is a mixture of a silicon-aluminum molecular sieve and clay, and the mass ratio is as follows: silicon aluminum molecular sieves: clay =1:1.2.
6. the method for preparing the biomass liquid fuel according to claim 1, characterized in that: the biomass liquid fuel is subjected to hydrofining to obtain biodiesel, biogasoline and aviation fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211461973.6A CN115820277A (en) | 2022-11-22 | 2022-11-22 | Preparation method of biomass liquid fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211461973.6A CN115820277A (en) | 2022-11-22 | 2022-11-22 | Preparation method of biomass liquid fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115820277A true CN115820277A (en) | 2023-03-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211461973.6A Pending CN115820277A (en) | 2022-11-22 | 2022-11-22 | Preparation method of biomass liquid fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115820277A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885654A (en) * | 2009-11-18 | 2010-11-17 | 中国科学院大连化学物理研究所 | A method for preparing low-carbon olefins by catalytic cracking of microalgae |
| US20110011721A1 (en) * | 2009-07-16 | 2011-01-20 | Champagne Gary E | Vacuum Pyrolytic Gasification And Liquefaction To Produce Liquid And Gaseous Fuels From Biomass |
| CN102051194A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | Method for preparing liquid fuel from biomass through hydrogen-donor solvent |
| CN102899097A (en) * | 2012-09-20 | 2013-01-30 | 西安益众环保产业有限公司 | Biomass liquid fuel and production method thereof |
| CN104629786A (en) * | 2015-02-09 | 2015-05-20 | 上海交通大学 | Method for producing liquid fuel from biomass waste |
| CN110257098A (en) * | 2019-06-25 | 2019-09-20 | 中国林业科学研究院林产化学工业研究所 | A kind of method that bio-oil thermochemical study reduces reaction activity preparation biological Aviation Fuel and biodiesel |
-
2022
- 2022-11-22 CN CN202211461973.6A patent/CN115820277A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110011721A1 (en) * | 2009-07-16 | 2011-01-20 | Champagne Gary E | Vacuum Pyrolytic Gasification And Liquefaction To Produce Liquid And Gaseous Fuels From Biomass |
| CN102051194A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | Method for preparing liquid fuel from biomass through hydrogen-donor solvent |
| CN101885654A (en) * | 2009-11-18 | 2010-11-17 | 中国科学院大连化学物理研究所 | A method for preparing low-carbon olefins by catalytic cracking of microalgae |
| CN102899097A (en) * | 2012-09-20 | 2013-01-30 | 西安益众环保产业有限公司 | Biomass liquid fuel and production method thereof |
| CN104629786A (en) * | 2015-02-09 | 2015-05-20 | 上海交通大学 | Method for producing liquid fuel from biomass waste |
| CN110257098A (en) * | 2019-06-25 | 2019-09-20 | 中国林业科学研究院林产化学工业研究所 | A kind of method that bio-oil thermochemical study reduces reaction activity preparation biological Aviation Fuel and biodiesel |
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