EP3963028A1 - Method for treating solid biomass by steam cracking integrating the energy of the co-products - Google Patents
Method for treating solid biomass by steam cracking integrating the energy of the co-productsInfo
- Publication number
- EP3963028A1 EP3963028A1 EP20731914.6A EP20731914A EP3963028A1 EP 3963028 A1 EP3963028 A1 EP 3963028A1 EP 20731914 A EP20731914 A EP 20731914A EP 3963028 A1 EP3963028 A1 EP 3963028A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- energy
- steam cracking
- steam
- biomass
- bark
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004230 steam cracking Methods 0.000 title claims abstract description 82
- 239000002028 Biomass Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000007787 solid Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000004519 manufacturing process Methods 0.000 claims description 42
- 238000002485 combustion reaction Methods 0.000 claims description 33
- 239000012855 volatile organic compound Substances 0.000 claims description 30
- 239000002023 wood Substances 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 230000001131 transforming effect Effects 0.000 abstract description 4
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 36
- 230000008569 process Effects 0.000 description 29
- 239000000047 product Substances 0.000 description 20
- 239000008188 pellet Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 238000009833 condensation Methods 0.000 description 11
- 230000005494 condensation Effects 0.000 description 11
- 239000012634 fragment Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 6
- 238000004064 recycling Methods 0.000 description 6
- 239000002551 biofuel Substances 0.000 description 4
- 239000002029 lignocellulosic biomass Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000021168 barbecue Nutrition 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000003797 solvolysis reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/442—Wood or forestry 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
Definitions
- the present invention relates to the field of processes for transforming solid biomass by steam cracking into a substrate for green chemistry and biotechnologies. More specifically, the invention relates to a process for the treatment of solid biomass by steam cracking in which the energy contained in the evaporates and in the water vapor generated is kept within the system or used for other types of industries such as than electricity production.
- biomass constitutes primary energy that can be transported to its place of transformation into heat and / or electricity.
- biomass is a low density, variable and perishable energy.
- woodchips related sawmill products (sawdust) or wood pellets without modification.
- sawdust wood pellets
- These renewable materials are very low in density (it takes 5 to 8 volumes of wafers to produce the energy equivalent of a single volume of coal), which involves an oversized supply chain and tools, not to mention the variability of contents of the supplies that impact the operation of the boiler (humidity, ash, heavy metals, organic, nitrogen, chlorine, sulfur, dust).
- the wood pellet (or “white pellet”) is more standardized, but it is expensive, and does not withstand exposure to water and outdoor conditions.
- the production of biogas requires the management of diluted liquid effluents, or wet solids that are difficult to transport, and of localized use, often of small size.
- lignocellulosic biomass wood, agricultural residues, agricultural and agro-industrial co-products
- This solid biofuel also called “black pellets” (or “black pellet”) can advantageously replace coal, or even fuel oil and gas in boilers.
- Steam cracking differs from hydrothermal pretreatment, also known as aqueous fractionation, solvolysis, hydrothermolysis or hydrothermal treatment, in that the latter involves using water at high temperature and pressure to promote the disintegration and separation of the gas. lignocellulosic matrix. This technique is not suitable for the production of black granules since the products obtained are predominantly liquid.
- the process for preparing black granules schematically comprises 3 steps: 1) preparation of the raw material (grinding, drying, etc.), 2) steam cracking and 3) granulation, all of which consume energy.
- VOCs volatile organic compounds
- document US2014 / 309475 discloses a solid biomass treatment process integrating the energy of the co-products comprising a steam cracking step as well as a step of injecting the volatiles produced into the steam cracking chamber with steam cracking and an external energy source in the boiler to produce clean water vapor for steam cracking.
- the method further comprises a step according to which the combustion to supply the boiler is carried out using treated biomass and evaporates resulting from steam cracking.
- the energy for the production of steam cracking being produced at least in part by the combustion of said recycled organic compounds.
- Document US2012 / 085023A1 relates to a solid biomass treatment process integrating the energy of the co-products.
- the disclosed process comprises a biomass steam cracking step in which the volatile organic compounds, produced in the steam cracking chamber, are injected with the steam cracking steam directly into the boiler to produce clean water steam intended for the steam cracking.
- Document US2017 / 314758A1 describes a process comprising a biomass steam cracking step in which the volatile organic compounds produced in the steam cracking chamber are injected with the steam cracking steam directly into the boiler to produce water vapor suitable for steam cracking. .
- the inventors propose to optimize the use of the co-products of the transformation process to reduce the production costs of the black granules. More specifically, it is proposed to burn the evaporates in a biomass boiler generating compressed steam used for steam cracking (recycling), and which can also be used by another local consumer (industrialist using steam, or electrician turbining the steam to manufacture electricity).
- the invention consists of a process for the production of solid combustible material integrating the energy of the co-products comprising a biomass steam cracking step characterized in that:
- the efficiency of this process can also be increased by condensing the combustion water vapors from the evaporates to dry the biomass before steam cracking.
- the method according to the invention makes it possible to use available energy sources that are usually not used to reduce the energy balance of the overall process and make it more ecological.
- the reduction in the material yield of the biomass entering the steam cracking (generally between 5% and 15%) is not totally lost because it generates energy.
- This process comprises the optimized recovery of the energy available within the device for transforming biomass by steam cracking, namely:
- the originality of the process according to the invention is therefore to use the energy contained in the evaporates and in the water vapor to conserve / save the overall energy of the process, instead of letting it escape.
- This energy recycling loop is particularly suitable for steam cracking because this combustion method produces a large amount of water vapor unlike other methods such as roasting, pyrolysis, etc. which operate in a dry atmosphere.
- This process is particularly advantageous when applied to a treatment of biomass producing large amounts of VOCs, for example when the severity of the steam cracking conditions is high. It should be noted that the severity is generally controlled to avoid the production of large quantities of VOCs which reduce the yield of the process since the evaporates are co-products not used in conventional processes.
- the energy balance incorporates the energy associated with evaporates and water vapor rather than counting it in losses. This process therefore allows the implementation of severe conditions since the losses of combustible materials are in fact compensated since they are used to produce energy.
- the wood introduced into the system is previously treated to remove the bark, these bark are introduced into the boiler.
- the bark which is the least interesting fraction for the targeted applications (often less caloric, more mineralized and potentially contaminated by pollutants), then becomes a residual co-product that can be exploited by burning it in the boiler serving in particular to produce steam for steam cracking, or intended for other industrial needs.
- Such a method of treating solid biomass including the recycling of the evaporates and of the water vapor, or even of the bark, is therefore particularly advantageous from an industrial, economic and ecological point of view since it provides an energy saving which can range from up to 30% compared to a process allowing the energy of the water vapor and the potential of the evaporates to escape.
- the invention relates to a method for treating solid biomass integrating the energy of the co-products comprising a biomass steam cracking step, characterized in that: the volatile organic compounds produced in the steam cracking chamber are injected with the steam cracking steam, directly in the boiler to produce clean water vapor intended for steam cracking and possibly another energy consumer;
- the energy for the production of steam cracking being produced at least in part by the combustion of said recycled volatile organic compounds.
- water vapor associated with VOCs produced during steam cracking can also be recycled to produce energy by direct introduction into the combustion chamber of the boiler (just like VOCs).
- the boiler has two compartments; a first combustion zone in which the hearth with the flame is located (lower part) and a second zone which corresponds to the vapor exchange zone (upper part).
- first combustion zone in which the hearth with the flame is located
- second zone which corresponds to the vapor exchange zone
- the energy for the production of steam cracking steam is produced in mixed mode comprising the combustion of the recycled VOCs and the combustion of a main external energy source.
- the energy for the production of steam cracking steam is produced by the combustion of VOCs as well as by condensation of the water vapor available in the boiler, and possibly an external energy source.
- the invention relates to a method for treating solid biomass integrating the energy of the co-products comprising a biomass steam cracking step, characterized in that: the volatile organic compounds produced in the steam cracking chamber are injected, with the steam from steam cracking, directly in the boiler to produce clean water vapor intended for steam cracking and possibly another energy consumer;
- the energy for the production of steam cracking being produced at least in part by the combustion of said recycled volatile organic compounds
- the energy for the production of steam cracking vapor being produced at least in part by introducing into the combustion chamber at least part or all of the vapor accompanying the VOCs; this water vapor is preferably introduced immediately and directly into the combustion chamber of the boiler to minimize energy loss.
- the energy for the production of steam cracking vapor can be produced at least in part by the condensation of at least part or all of the vapor accompanying the VOCs;
- the energy for the production of steam cracking steam may at least in part come from an external energy source
- the energy contained in the water vapor can be recovered by condensation.
- the biomass thus treated is used for the production of combustible material with a high calorific value, in particular in black granules.
- the biomass thus treated is used as a pulverulent substrate for applications in green chemistry and in biotechnology.
- the invention relates to the use of the biomass treated according to the process of the invention either to produce combustible material with a high calorific value, or as a pulverulent substrate for applications in green chemistry and in biotechnology.
- solid combustible material within the meaning of the invention is understood to mean a powder (black powder) or black granules (black pellet) obtained by compression of the black powder, this powder and these granules consisting of steam cracked biomass.
- Black granules with high calorific value can be obtained thanks to a process for transforming biomass by steam cracking under severe conditions.
- such a method is implemented as follows:
- the wood fragments collected in powder form at the outlet of the separator are then dried until their humidity level reaches 10%, before being optionally compacted in the form of granules intended to be used as fuel. It is possible to humidify the wood fragments obtained after separation in order to facilitate granulation.
- the solid combustible material with high calorific value (black granules) obtained by implementing the process as defined above has a calorific value greater than or equal to 5 MWh / t, preferably greater than or equal to 5.6 MWh / t. It exhibits an increase in mass of less than or equal to 10% after complete immersion in a container of water for one hour and draining for 30 minutes.
- This combustible material can be used in industrial furnaces, and domestic boilers and stoves.
- the condensation of lignocellulosic biomass by steam cracking produces an evaporate which must be cleaned of VOCs and this requires energy and specific washing equipment.
- the advantage of the process according to the invention is that the energy of the co-products is recycled, namely that the evaporates are burnt and that the energy produced by the combustion VOCs in the form of water vapor is reused as well as other available clean water vapor, in particular that resulting from steam cracking.
- the process further comprises a step of condensing at least part of the combustion water vapors of the evaporates for drying the biomass before steam cracking.
- the vapors of water from the combustion of the evaporates can be condensed: by transferring their heat through hot loops to pulsed air, they supply a current for drying the raw material, which allows a reduction in humidity.
- the biomass returns drier to steam cracking.
- the amount of energy consumed to heat the biomass is then lower because there is much less water to heat (5 to 10% instead of 40 to 50% water).
- the steam-cracked product leaves between 5 and 10%, therefore granulatable and delivering a black granule which is more energy dense.
- the method further comprises a step of condensing at least part of the steam cracking water vapors for drying the biomass before steam cracking.
- biomass within the meaning of the invention, is meant lignocellulosic biomass originating both from agricultural and forestry residues, by-products of wood processing and from dedicated crops. It may be in particular wood chips, with or without bark. The quality of this raw material will directly influence the quality and characteristics energies of solid combustible material. For example, the most widely used woods are hardwoods and softwoods.
- sites for the production of black granules by steam cracking are sites for the production of steam from biomass: we can therefore select the best wood or parts of wood for the manufacture of the pellets, and the less noble are burnt for endogenous energy.
- the bark obtained from the debarking of the biomass is valorized, as fuel making it possible to supply the boiler for the production of steam.
- the purpose of the debarking is to reduce the minerals in the black granules (located mainly in the bark) and to extract the least calorific fraction of the wood, the bark, to generate more energetic black granules.
- the fact of burning the bark residues in the boiler makes it possible to recover the energy they contain and to increase the overall efficiency of the process by reducing the losses of raw material.
- the steam cracked biomass consists of wood and the method according to the invention further comprises:
- the biomass introduced into the boiler comprises bark.
- Figure 1 Diagram showing an embodiment of the method according to the invention integrating the recycling of the energy of the co-products.
- the manufacture of black granules replaces the grinding-refining used during the manufacture of white granules (or white pellet) by steam cracking which consumes electrical energy and mainly thermal energy from steam.
- the manufacturing process for manufacturing black granulate produces energy not previously used and which the present process according to the invention makes it possible to use. Indeed, the outgoing product sees the energy of the evaporates (approximately 180 kWh / tonne of black granulate) and bark (approximately 260 kWh / tonne of black granule) recovered in the form of thermal energy, i.e. 440 kWh / tonne of granule. black.
- the condensation of the water, brought by the humidity of the bark, as well as that resulting from the combustion of the bark and the evaporates, makes it possible to generate 80 kWh / tonne of black granulate.
- the steam cracking which is a carrier fluid which transfers its sensible heat and retains its latent heat, also generates 290 kWh / tonne of black granulate.
- thermal energy needs for the production of black granules are covered at 64% by renewable resources (evaporate co-products and bark) and by thermal integration (combustion and condensation energy, recycling of vapor flows).
- the process for preparing the black granule therefore has an energy saving of 27% compared to that of the white granule, which must use additional exogenous energy resources.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing Of Solid Wastes (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1904680A FR3095656B1 (en) | 2019-05-03 | 2019-05-03 | Process for the treatment of solid biomass by steam cracking integrating the energy of the co-products |
PCT/FR2020/050728 WO2020225503A1 (en) | 2019-05-03 | 2020-04-30 | Method for treating solid biomass by steam cracking integrating the energy of the co-products |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3963028A1 true EP3963028A1 (en) | 2022-03-09 |
Family
ID=67660308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20731914.6A Withdrawn EP3963028A1 (en) | 2019-05-03 | 2020-04-30 | Method for treating solid biomass by steam cracking integrating the energy of the co-products |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3963028A1 (en) |
FR (1) | FR3095656B1 (en) |
WO (1) | WO2020225503A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3109390B1 (en) * | 2020-04-17 | 2022-07-22 | Europeenne De Biomasse | Process for producing fuel pellets by improved steam cracking using heterogeneous biomass |
FR3121445B1 (en) * | 2021-04-01 | 2024-06-14 | Europeenne De Biomasse | PROCESS FOR PROCESSING SOLID BIOMASS INTEGRATING THE ENERGY OF CO-PRODUCTS FOR DRYING PLATELETS BEFORE VAPO CRACKING |
FR3134109A1 (en) * | 2022-04-05 | 2023-10-06 | Europeenne De Biomasse | PROCESS FOR OPTIMIZING THE PRODUCTION OF LEVOGLUCOSENONE DURING STEAM CRACKING OF LIGNOCELLULOSIC BIOMASS |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68917253T2 (en) * | 1988-10-27 | 1995-01-19 | Baron Howard Steven Strouth | Process for the preparation of fuel from lignocellulosic material. |
US8161663B2 (en) * | 2008-10-03 | 2012-04-24 | Wyssmont Co. Inc. | System and method for drying and torrefaction |
WO2010059807A2 (en) * | 2008-11-21 | 2010-05-27 | Earthrenew, Inc. | Method of using a gas turbine generator system in dehydration applications |
KR101243605B1 (en) * | 2009-11-24 | 2013-03-18 | 델타 떠모 에너지 인크 | Waste to energy by way of hydrothermal decomposition and resource recycling |
US8246788B2 (en) * | 2010-10-08 | 2012-08-21 | Teal Sales Incorporated | Biomass torrefaction system and method |
US9447326B2 (en) | 2012-06-22 | 2016-09-20 | Sundrop Fuels, Inc. | Pretreatment of biomass using steam explosion methods before gasification |
JP2016531184A (en) * | 2013-08-20 | 2016-10-06 | バイオマス エナジー エンハンスメンツ エルエルシー | Biochar by microwave using processed (BENEFICITED) raw material |
CN107586805A (en) * | 2017-11-07 | 2018-01-16 | 临颍路得生物科技有限公司 | Comprehensively utilize five joint production process of biological straw |
-
2019
- 2019-05-03 FR FR1904680A patent/FR3095656B1/en active Active
-
2020
- 2020-04-30 WO PCT/FR2020/050728 patent/WO2020225503A1/en unknown
- 2020-04-30 EP EP20731914.6A patent/EP3963028A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2020225503A1 (en) | 2020-11-12 |
FR3095656B1 (en) | 2021-11-12 |
FR3095656A1 (en) | 2020-11-06 |
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