CN114907875B - Method for co-producing high-quality pyrolysis gas and biological oil by using biomass and polyolefin plastic - Google Patents

Method for co-producing high-quality pyrolysis gas and biological oil by using biomass and polyolefin plastic Download PDF

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CN114907875B
CN114907875B CN202210648372.XA CN202210648372A CN114907875B CN 114907875 B CN114907875 B CN 114907875B CN 202210648372 A CN202210648372 A CN 202210648372A CN 114907875 B CN114907875 B CN 114907875B
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pyrolysis
quality
biomass
oil
bio
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CN114907875A (en
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陈旭
祝振洲
李书艺
王飞飞
杨海平
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Wuhan Polytechnic University
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Wuhan Polytechnic University
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

The invention discloses a method for co-producing high-quality pyrolysis gas and bio-oil by using biomass and polyolefin plastics, which comprises the following steps: crushing biomass and polyolefin plastic into particles with 60-100 meshes, mixing the particles according to a mass ratio of 1:5-5:1, and then drying the mixture to obtain a pyrolysis raw material; the pyrolysis raw material and the micro-hydration CaO are arranged in a two-stage fixed bed reactor in an opening way according to the mass ratio of 1:3-3:1, pyrolysis reaction is carried out under the nitrogen atmosphere, wherein the pyrolysis temperature is 400-800 ℃, the reaction time is 30min, an ice-water mixture is adopted to cool pyrolysis volatile matters after the micro-hydration CaO is reformed, the collected gas state is high-quality pyrolysis gas, and the collected liquid product is high-quality bio-oil. The invention has the advantages of low cost, convenient operation and stable and efficient preparation of high-quality pyrolysis gas and biological oil. The invention is beneficial to realizing the high-value utilization of biomass waste.

Description

Method for co-producing high-quality pyrolysis gas and biological oil by using biomass and polyolefin plastic
Technical Field
The invention belongs to the field of biomass utilization, and in particular relates to a method for co-producing high-quality pyrolysis gas and bio-oil by utilizing biomass and polyolefin plastics.
Background
Biomass has the advantages of huge reserves, wide distribution, stable sources, low cost, easy obtainment and the like as the only renewable energy source containing carbon. The pyrolysis technology is considered as one of the most promising biomass utilization technologies due to the characteristics of full component conversion, high utilization efficiency, strong raw material adaptability, simple device and the like. The coke obtained by biomass pyrolysis can supply heat for biomass pyrolysis, so that energy self-supply is realized; the biological oil is expected to be used as a substitute fuel of gasoline and diesel oil, and the organic components in the biological oil can be used for preparing high-added-value chemicals after separation and purification; the pyrolysis gas is hopeful to be used as the substitute fuel of natural gas, coal gas and liquefied gas, can avoid the defect that methane tanks do not produce gas in winter, and is a novel renewable energy source very suitable for rural areas. However, the bio-oil obtained by conventional pyrolysis of biomass has the defects of high oxygen content, strong acidity, poor stability and the like, and the pyrolysis gas obtained by conventional pyrolysis has a low heat value, so that popularization and application of the bio-oil are seriously hindered.
Compared with the conventional pyrolysis of biomass, the co-catalytic pyrolysis of the oxygen-enriched biomass and the hydrogen-enriched polyolefin plastic can promote the deoxidation of the biomass pyrolysis volatile matters by strengthening the interaction between the biomass pyrolysis volatile matters and the plastic pyrolysis volatile matters, so that the quality of the biological oil is improved, and the technology is widely paid attention in recent years.
The conventional co-catalytic pyrolysis technology generally uses zeolite molecular sieves (such as ZSM-5 molecular sieves) as catalysts, the cost of the catalysts is high, and the products are easy to accumulate carbon to block pore channels in the pyrolysis process, so that the catalysts are deactivated, and the high-efficiency and continuous preparation of high-quality bio-oil is difficult to realize. On the other hand, the current CO-catalytic pyrolysis technology mainly focuses on the quality of biological oil, but focuses on the quality of pyrolysis gas less, and the common ZSM-5 molecular sieve can promote the quality of biological oil but simultaneously promote CO 2 Is unfavorable for improving the calorific value of pyrolysis gas, and is difficult to realize the co-production of high-quality bio-oil and pyrolysis gas.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a method for co-producing high-quality pyrolysis gas and bio-oil by using biomass and polyolefin plastics, which realizes the co-production of the high-quality pyrolysis gas and the bio-oil by biomass catalytic pyrolysis, improves the added value of products, does not need other corrosive catalysts in the pyrolysis process, has less harm to equipment and environment, and has the advantages of low cost, simple process and capability of continuously and efficiently preparing biomass-based products.
In order to achieve the above object, according to one aspect of the present invention, there is provided a method for co-producing high quality pyrolysis gas and bio-oil using biomass and polyolefin plastic, comprising the steps of:
s1, crushing biomass and polyolefin plastic into particles with 60-100 meshes, mixing the particles according to a mass ratio of 1:5-5:1, and then drying the mixture to obtain a pyrolysis raw material;
s2, respectively placing a pyrolysis raw material and micro-hydration CaO in an upper section and a lower section of a two-section fixed bed reactor, carrying out pyrolysis reaction in a nitrogen atmosphere, and reforming volatile matters generated by the pyrolysis raw material through a micro-hydration CaO bed layer with the same temperature, wherein the pyrolysis reaction temperature is 400-800 ℃, the reaction time is 10min, and the mass ratio of the pyrolysis raw material to the micro-hydration CaO is 1:3-3:1;
and S3, cooling the volatile matters obtained in the step S2 by adopting an ice-water mixture, collecting non-condensable gaseous products, namely high-quality pyrolysis gas, and collecting liquid products, namely the high-quality bio-oil products.
Further, the biomass in the step S1 is one or more of cotton stalk, wheat straw, chestnut shell and bamboo scraps.
Further, the polyolefin plastic in the step S1 is one or more of low density polyethylene plastic, high density polyethylene and polypropylene.
Further, the drying temperature in the step S1 is 35-65 ℃ and the drying time is 12-24 hours.
Further, the rehydrated CaO in step S2 is preferably prepared as follows: and (3) placing the crucible containing the calcium carbonate powder into a tube furnace, heating the tube furnace to 850 ℃ at a heating rate of 10 ℃/min under an air atmosphere, preserving heat for 4 hours, taking out the crucible when the tube furnace is naturally cooled to 100 ℃ after the heating procedure is finished, placing the crucible into a drying dish filled with fresh allochroic silica gel, and further cooling for 12 hours to obtain the required micro-hydration CaO.
Further, the high-quality pyrolysis gas in step S3 contains CO 2 The content is lower than 10%.
Further, the main component of the high quality bio-oil in the step S3 is aliphatic hydrocarbon.
In general, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
(1) In the method, biomass and polyolefin plastics are catalytically pyrolyzed by utilizing micro-hydration CaO and co-producedHigh-quality pyrolysis gas and biological oil do not need to introduce a molecular sieve catalyst which has high cost and is easy to deactivate. The high-activity micro-hydration CaO catalyst can be obtained by simple hydration treatment of CaO, and the micro-hydration CaO is used as a catalyst, an oxygen-enriched component reactant and CO in the CO-catalytic pyrolysis process 2 The absorbent greatly promotes the deoxidation of the biological oil and CO 2 Fixing. The method realizes the efficient CO-production of high-quality pyrolysis gas and biological oil, greatly improves the value of the product, reduces the complexity of operation and promotes CO 2 And emission reduction.
(2) CO in the high-quality pyrolysis gas obtained by the method 2 The content is lower than 10%, the content of the combustible gas such as low-carbon olefin is promoted to be obviously increased, the gas heat value is greatly improved, and the biomass gas can be used as a substitute fuel of natural gas, coal gas and liquefied gas for rural heating, so that the defect that the biogas digester does not produce gas in winter is avoided.
(3) The main component of the high-quality biological oil obtained by the method is aliphatic hydrocarbon, the oxygen-containing substances are obviously reduced, the stability and the heat value are improved, the oil quality is improved, and the high-quality biological oil can be used for replacing fossil fuel and relieving the dependence on non-renewable energy sources such as petroleum after further purification and modification.
(4) The catalyst and the pyrolysis raw material are placed separately, so that the coke product and the catalyst are convenient to recycle, the problem of resource waste in the traditional catalytic pyrolysis process is avoided, and the coke product obtained by the method has higher carbon content and rich active functional groups, and can be applied to the fields of catalysts, adsorbents, soil improvement and the like besides supplying heat to a pyrolysis system.
Drawings
Fig. 1 is a flow chart of a method for co-producing high quality pyrolysis gas and bio-oil using biomass and polyolefin plastic according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1, the method for co-producing high-quality pyrolysis gas and bio-oil by using biomass and polyolefin plastic provided by the embodiment of the invention specifically comprises the following steps:
(1) Crushing biomass and polyolefin plastic into particles with 60-100 meshes, mixing the particles according to a mass ratio of 1:5-5:1, and then drying the mixture to obtain a pyrolysis raw material;
(2) Respectively placing a pyrolysis raw material and micro-hydration CaO into an upper section and a lower section of a two-section fixed bed reactor, carrying out pyrolysis reaction in a nitrogen atmosphere, and reforming volatile matters generated by the pyrolysis raw material through a micro-hydration CaO bed layer with the same temperature, wherein the pyrolysis reaction temperature is 400-800 ℃, the reaction time is 10min, and the mass ratio of the pyrolysis raw material to the micro-hydration CaO is 1:3-3:1;
(3) And (3) cooling the volatile matters obtained in the step (2) by adopting an ice-water mixture, collecting non-condensable gaseous products, namely high-quality pyrolysis gas, and collecting liquid products, namely the high-quality bio-oil products.
Wherein the biomass in the step (1) is one or more of cotton stalk, wheat straw, chestnut shell and bamboo scraps; the polyolefin plastic is one or more of low-density polyethylene plastic, high-density polyethylene and polypropylene; the drying temperature is 35-65 ℃ and the drying time is 12-24 hours, and under the premise of ensuring that the plastics are not softened, the moisture in the biomass raw material can be fully removed, the reaction efficiency is improved, and the reaction equipment is protected.
The rehydrated CaO in the step (2) is prepared by the following steps: and (3) placing the crucible containing the calcium carbonate powder in a tube furnace, heating the tube furnace to 850 ℃ at a heating rate of 10 ℃/min under an air atmosphere, preserving heat for 4 hours, taking out the crucible when the tube furnace is naturally cooled to 100 ℃ after the heating procedure is finished, placing the crucible in a drying dish filled with fresh allochroic silica gel, and further cooling for 12 hours to obtain the required micro-hydration CaO, wherein the hydration process can promote the activity of the CaO.
CO in the high quality pyrolysis gas in step (3) 2 The content is less than 10%, and the main component of the high-quality biological oil is aliphatic hydrocarbon.
The principle of the inventive concept of the present invention is: caO reacts with the trace moisture remaining in the drying vessel to form a product containing trace Ca (OH) 2 Is a highly active micro-hydrated CaO. Catalytic cracking activity of micro-hydrated CaO, reactivity with oxygen-enriched organic matter, and CO as compared to CaO 2 The absorption activity is significantly enhanced. In the process of co-catalytic pyrolysis of biomass and polyolefin plastics, the micro-hydration CaO strengthens deoxidation of biomass pyrolysis volatile matters through catalytic pyrolysis and reaction with oxygen-enriched organic matters, and reduces the oxygen content of biological oil; on the other hand, the micro-hydration CaO strengthens the depolymerization of polyolefin by catalytic cracking, the yield of hydrocarbon substances obtained by polyolefin cracking is increased, and the deoxidization of biomass pyrolysis volatile matters is further promoted by interaction, so that the oxygen content of the bio-oil is obviously reduced; furthermore, the micro-hydrated CaO absorbs CO by 2 The heat value of the pyrolysis gas is synergistically improved in two modes of promoting the generation of low-carbon olefin by catalytic pyrolysis.
For a more detailed description of the process according to the invention, reference is made to the following examples.
Example 1
The embodiment of the invention discloses a method for co-producing high-quality pyrolysis gas and bio-oil by using biomass and polyolefin plastics, which comprises the following steps:
(1) Crushing cotton stalk and low density polyethylene plastic into 60-100 mesh particles according to the mass ratio of 1:1, mixing cotton stalk and polyethylene, and drying in a 55 ℃ oven for 24 hours;
(2) The catalytic cracking is carried out by using a two-section fixed bed reactor, a cotton stalk and polyethylene mixed sample and micro hydration CaO are respectively placed in two hanging baskets at the top of the upper section of the reactor before the pyrolysis process starts, and the upper section and the lower section of the reactor are heated to 600 ℃ at the heating rate of 10 ℃/min. And then, quickly placing a hanging basket with a cotton stalk and polyethylene mixed sample in the middle of the upper section of the reactor, and simultaneously placing a hanging basket reactor with micro-hydration CaO in the middle of the lower section of the reactor, wherein volatile matters generated by pyrolysis of the cotton stalk and polyethylene mixed sample are subjected to catalytic reforming through a micro-hydration CaO bed under the action of nitrogen. Wherein the mass ratio of the pyrolysis raw material to the micro-hydration CaO catalyst is 1:1, and the reaction time is 10min;
(3) The reformed pyrolysis volatile component is brought into a condenser by nitrogen, a liquid product obtained by cooling an ice-water mixture is a high-quality bio-oil product, and a non-condensable gaseous product is collected by an air bag to obtain a high-quality pyrolysis gas product. Wherein, the content of oxygen-containing components such as acids, esters, furans and the like in the high-quality biological oil is only 4.76 percent, and the main component is aliphatic hydrocarbon with the content of 70.08 percent; CO in high quality pyrolysis gas 2 The content is only 4.46%, and the heat value can reach 37.73MJ/m 3 。
Example 2
The main difference between this example and example 1 is that in step (1), the mass ratio of cotton stalk to low density polyethylene is 1:3. in the step (3), the content of oxygen-containing components such as acids, esters, furans and the like in the high-quality biological oil is 3.38%, and the main component of the high-quality biological oil is aliphatic hydrocarbon, wherein the content reaches 73.08%; CO in high quality pyrolysis gas 2 The content is 3.28%, and the heat value can reach 47.87MJ/m 3 。
Example 3
The main difference between this example and example 1 is that the mass ratio of cotton stalk to low density polyethylene in step (1) is 3:1. in the step (3), the content of oxygen-containing components such as acids, esters, furans and the like in the high-quality biological oil is 11.02%, and the main component of the high-quality biological oil is aliphatic hydrocarbon, wherein the content of the high-quality biological oil reaches 55.74%; CO in high quality pyrolysis gas 2 The content is 7.86%, and the heat value can reach 25.42MJ/m 3 。
Example 4
The main difference between this example and example 1 is that the pyrolysis temperature in step (2) is 700 ℃. In the step (3), the content of oxygen-containing components such as acids, esters, furans and the like in the high-quality biological oil is 7.91 percent, and the main component of the high-quality biological oil is aliphatic hydrocarbon, wherein the content reaches 49.81 percent; CO in high quality pyrolysis gas 2 The content is 7.5%, and the heat value can reach 37.48MJ/m 3 。
Example 5
The main difference between this example and example 1 is that the mass ratio of the pyrolysis feedstock to the micro-hydrated CaO catalyst in step (2) is 1:2. In the step (3), the content of oxygen-containing components such as acids, esters, furans and the like in the high-quality biological oil is 2.03%, and the main component of the high-quality biological oil is aliphatic hydrocarbon, wherein the content of the high-quality biological oil reaches 89.73%; CO in high quality pyrolysis gas 2 The content is 3.21%, and the heat value can reach 38.93MJ/m 3 。
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (5)

1. A method for co-producing high-quality pyrolysis gas and bio-oil by using biomass and polyolefin plastics, which is characterized by comprising the following steps:
s1, crushing biomass and polyolefin plastic into particles with 60-100 meshes, mixing the particles according to a mass ratio of 1:5-5:1, and then drying the mixture to obtain a pyrolysis raw material;
s2, respectively placing a pyrolysis raw material and micro-hydration CaO in an upper section and a lower section of a two-section fixed bed reactor, carrying out pyrolysis reaction in a nitrogen atmosphere, and reforming volatile matters generated by the pyrolysis raw material through a micro-hydration CaO bed layer with the same temperature, wherein the pyrolysis reaction temperature is 400-800 ℃, the reaction time is 10min, and the mass ratio of the pyrolysis raw material to the micro-hydration CaO is 1:3-3:1;
s3, cooling the volatile matters obtained in the step S2 by adopting an ice-water mixture, collecting non-condensable gaseous products, namely high-quality pyrolysis gas, and collecting liquid products, namely a high-quality bio-oil product;
the rehydrated CaO in the step S2 is prepared by the following steps: placing a crucible containing calcium carbonate powder into a tube furnace, heating the tube furnace to 850 ℃ at a heating rate of 10 ℃/min under an air atmosphere, preserving heat for 4 hours, taking out the crucible when the tube furnace is naturally cooled to 100 ℃ after the heating procedure is finished, and placing the crucible into a drying vessel filled with fresh allochroic silica gel, and further cooling for 12 hours to obtain rehydrated CaO;
the main component of the high-quality bio-oil in the step S3 is aliphatic hydrocarbon.
2. The method for co-producing high-quality pyrolysis gas and bio-oil by using biomass and polyolefin plastics according to claim 1, wherein the biomass in the step S1 is one or more of cotton stalk, wheat straw, chestnut shell and bamboo chips.
3. The method for co-producing high quality pyrolysis gas and bio-oil using biomass and polyolefin plastic according to claim 1, wherein the polyolefin plastic in the step S1 is one or more of low density polyethylene, high density polyethylene and polypropylene.
4. The method for co-producing high-quality pyrolysis gas and bio-oil by using biomass and polyolefin plastics according to claim 1, wherein the drying temperature in the step S1 is 35-65 ℃ and the drying time is 12-24 h.
5. The method for CO-production of high quality pyrolysis gas and bio-oil using biomass and polyolefin plastics according to claim 1, wherein the high quality pyrolysis gas contains CO in step S3 2 The content is lower than 10%.
CN202210648372.XA 2022-06-09 2022-06-09 Method for co-producing high-quality pyrolysis gas and biological oil by using biomass and polyolefin plastic Active CN114907875B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104479717A (en) * 2014-11-10 2015-04-01 东南大学 Method used for improving bio oil quality via co-catalysis of waste polyolefin plastic with biomass
CN104560225A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Method for preparing high-quality fuel oil from biomass
GB201900553D0 (en) * 2019-01-15 2019-03-06 Norwegian Univ Sci & Tech Ntnu Preparation of biofuel from biomass
WO2021129022A1 (en) * 2019-12-24 2021-07-01 东南大学 Biomass-based long-chain alcohol ether oxygen-containing additive, preparation method therefor and application thereof
CN113477239A (en) * 2021-06-18 2021-10-08 华中科技大学 Method for reforming volatile components by using high-calcium solid waste based CaO and product thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104560225A (en) * 2013-10-22 2015-04-29 中国石油化工股份有限公司 Method for preparing high-quality fuel oil from biomass
CN104479717A (en) * 2014-11-10 2015-04-01 东南大学 Method used for improving bio oil quality via co-catalysis of waste polyolefin plastic with biomass
GB201900553D0 (en) * 2019-01-15 2019-03-06 Norwegian Univ Sci & Tech Ntnu Preparation of biofuel from biomass
WO2021129022A1 (en) * 2019-12-24 2021-07-01 东南大学 Biomass-based long-chain alcohol ether oxygen-containing additive, preparation method therefor and application thereof
CN113477239A (en) * 2021-06-18 2021-10-08 华中科技大学 Method for reforming volatile components by using high-calcium solid waste based CaO and product thereof

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