WO2012167795A1 - Torréfaction et pyrolyse partielle pour produire des pastilles combustibles à l'aide d'un flux de goudron à contre-courant - Google Patents

Torréfaction et pyrolyse partielle pour produire des pastilles combustibles à l'aide d'un flux de goudron à contre-courant Download PDF

Info

Publication number
WO2012167795A1
WO2012167795A1 PCT/DK2012/000072 DK2012000072W WO2012167795A1 WO 2012167795 A1 WO2012167795 A1 WO 2012167795A1 DK 2012000072 W DK2012000072 W DK 2012000072W WO 2012167795 A1 WO2012167795 A1 WO 2012167795A1
Authority
WO
WIPO (PCT)
Prior art keywords
tar
feedstock
fraction
torrefaction
pellets
Prior art date
Application number
PCT/DK2012/000072
Other languages
English (en)
Inventor
Kim Dam-Johansen
Peter Arendt Jensen
Original Assignee
Danmarks Tekniske Universitet (Dtu)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Danmarks Tekniske Universitet (Dtu) filed Critical Danmarks Tekniske Universitet (Dtu)
Priority to EP12796076.3A priority Critical patent/EP2718409A4/fr
Priority to US14/125,103 priority patent/US20140115956A1/en
Priority to RU2014100166/04A priority patent/RU2014100166A/ru
Priority to CN201280028486.9A priority patent/CN103687934A/zh
Priority to CA2838760A priority patent/CA2838760A1/fr
Priority to BR112013031642A priority patent/BR112013031642A2/pt
Publication of WO2012167795A1 publication Critical patent/WO2012167795A1/fr

Links

Classifications

    • 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
    • C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
    • 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
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
    • C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
    • C10L5/14—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders
    • C10L5/16—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders with bituminous binders, e.g. tar, pitch
    • 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
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/34—Other details of the shaped fuels, e.g. briquettes
    • C10L5/36—Shape
    • C10L5/363—Pellets or granulates
    • 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
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/08—Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
    • C10L9/086—Hydrothermal carbonization
    • 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
    • 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
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Definitions

  • the present invention relates to the field of fuel pellets production based on various sources of feedstock, e.g. biomass and waste.
  • the volatile fraction is used for heating of a mixer vessel.
  • the condensed tar may subsequently be combined with the solid char.
  • EP 2,287,278 A2 discloses torrefaction of biomass, whereby a solid fraction is directed to a cooler. A rotary valve ensures that the volatile is not allowed to enter the cooler, but is instead fed to a combustion unit.
  • US 2009/007484 Al discloses an apparatus and process for converting biomass feed materials into reusable carbonaceous and hydrocarbon products.
  • the biomass may be torrified and the volatile fraction is condensed in one or a series of condensors.
  • the solid material may be pelletized.
  • the present invention provides a process for providing fuel pellets based on biomass or waste that can be optimized for use in power plant boilers (grate, fluid bed or suspension fired), district heating boilers, small pellet stoves, industrial process furnaces, kilns and boilers, small-scale heating devices, and barbeque grills.
  • the pellets may be utilized as a global trading product. Process steps to control pellet heating value density, pellet milling properties, particle size in pellet and pellet ash properties may be included.
  • the present invention provides a continuous process for the preparation of fuel pellets, said process comprising the steps of a) feeding a feedstock to a torrefaction and partial pyrolysis step in a reactor at a
  • Figure 1 illustrates the overall process where tar condensation is arranged counter currently such that tar is condensed already onto the incoming feeding material.
  • Figure 1 illustrates the overall process for the preparation of fuel pellets.
  • the shown process can provide torrified pellets with optimal properties for different uses.
  • the process may include several steps as shown in Figure 1 and the process can be implemented by use of a variable number of process steps.
  • the total process may include torrefaction, size reduction of torrified material, cooling, condensation of tar and separation of gas, possible addition of additives and pelletization.
  • the needed heating (for process A in Figure 1) can possibly be provided by combustion of the evolved gasses or by another energy source.
  • the heat transfer to the feedstock can be provided by a hot metal surface, by superheated steam, by bed material e.g. sand, by a flue gas depleted of oxygen or by a material such as ceramic or metal balls or elements of irregular shapes.
  • FIG. 2 illustrates the implementation of the embodiment of the invention illustrated in Figure 1 by use of a screw type reactor.
  • a screw unit and a pelletizer are combined, but it should be understood that the invention also encompasses where such units are used in sequence without being build together.
  • the feedstock is transported into the pelletizing unit by the screw feeder.
  • the feedstock In the first part of the screw feeder, the feedstock is heated to a pre-set temperature to release tar and gas and obtain more fragile properties of the solid char.
  • the residence time is defined by the rotation velocity of the screw feeder and the dimension of the screw unit.
  • the volatiles are lead backwards toward the fuel feeding, the tar is condensed on the incoming feedstock and the gas is released near the solid fuel inlet.
  • Finally the combination of the reheated tar and solid char is pelletized.
  • the present invention provides a process for the preparation of fuel pellets in which a feedstock undergoes torrefaction and partial pyrolysis, and wherein produced tar is combined with the in-coming feedstock and the product in form of char and reheated tar are pelletized.
  • the process can be implemented with a screw type reactor is shown in Figure 2.
  • the feedstock The process of the present invention may be applied using a wide variety of feedstock, e.g. a biomass material or waste, including herbaceous biomass such as straw and grains, wood biomass including hard and softwood, as well as in principle all waste types with a significant (> 10 wt%) organic fraction, or any mixtures of such feedstock.
  • the feedstock has an organic content of at least 15 wt%, such as at least 20 wt%, e.g. at least 40 wt%, or at least 60 wt%.
  • the feed stock is a biomass material.
  • Many preferred biomass materials have an organic content of at least 80 wt%, such as at least 90 wt%.
  • feedstock examples include straw, grains, hard wood, soft wood, and dried sewage sludge.
  • the feedstock is wood (typically ash content 0.3 to 3 wt%), annual biomass (typically ash content 3 (or 4) to 10 wt%), or more variable organic waste materials such as waste wood or dried sewage sludge.
  • the water-content of the feedstock is reduced to 2-15 wt% prior to the torrefaction and partial pyrolysis process of step a) below.
  • Reduction of the water content may be obtained in the first process step by steam drying, heating, compression or centrifugation.
  • step a) (see immediately below) is preceded by a drying step wherein the water-content of the feedstock is reduced to less than 10 wt%.
  • the first step of the process includes a combined torrefaction and partial pyrolysis process (see also Process A in Figure 1).
  • the torrefaction process is carried out by heating the feedstock in a suitable reactor in an inert atmosphere or an atmosphere with less than 0.5 Vol% 0 2 up to a temperature from 200 °C to 300 °C.
  • the atmosphere typically consists of the evolved volatiles, N 2 , C0 2 , steam or a flue gas depleted of oxygen.
  • the residence time of the feedstock in the reactor at temperatures for torrefaction is typically between 0.5 seconds and 2 hours.
  • a solid char product yield after torrefaction of 50 to 90 wt% is obtained containing 70 - 90% of the feedstock heating value.
  • the residual product is a volatile fraction (a gas) rich in CO, C0 2 and water with smaller contents of H 2 and some light hydrocarbons, and possible small amounts of tar.
  • the process is defined as a partial pyrolysis process.
  • the residence time of the feedstock in the reactor at temperatures for partial pyrolysis is typically from 0.5 second to 1 hour.
  • the solid char product yield after partial pyrolysis is typically from 15 to 85 wt% depending on process conditions (temperature, heating rate, residence time).
  • the evolved volatiles i.e. the volatile fraction
  • the tar yield can be in the range from 2 to 65 wt% of the feedstock depending on operation conditions.
  • the present invention combines the torrefaction and partial pyrolysis so as to obtain a suitable amount of tar.
  • the optimal torrefaction/pyrolysis reactor operation temperature is a compromise between two objectives.
  • the temperature shall be sufficiently high to obtain a sufficient yield of tars and thereby to obtain pellets with adequate quality.
  • the char yield shall be as high as possible to obtain a maximum of the feedstock energy content transferred to the fuel pellets.
  • the char yield decrease and the tar yield increase with increasing reactor temperature. It is not possible to define a generally applicable optimal reactor temperature for all types of feedstock. However, previously conducted studies indicate that the optimal temperatures may be in the range of 250 to 500°C. The actual optimal reactor temperature is dependent on the applied feedstock and reactor type.
  • the torrefaction and partial pyrolysis involves that the feedstock is subjected to a maximum temperature in the range from 250 °C to 500 °C, such as from 260 °C to 490 °C, e.g. from 270 °C to 480 °C, or from 280 °C to 475 °C, or from 290 °C to 470 °C, or from 300 °C to 460 °C, preferably from 310 °C to 450 °C, or from 320 °C to 450 °C, or from 330 °C to 450 °C, or from 340 °C to 450 °C, or from 350 °C to 450 °C.
  • a maximum temperature in the range from 250 °C to 500 °C, such as from 260 °C to 490 °C, e.g. from 270 °C to 480 °C, or from 280 °C to 475 °C, or from
  • the feedstock is subjected to a temperature in the range from 250 °C to 400 °C, such as from 260 °C to 390 °C, e.g. from 270 °C to 380 °C, or from 280 °C to 360 °C, or from 290 °C to 350 °C.
  • the combined torrefaction and partial pyrolysis is typically allowed to proceed for a total period from 2 seconds to 2 hour, such as from 10 seconds to 90 minutes, such as from 4 minutes to 90 minutes, or from 6 minutes to 70 minutes, e.g. from 8 minutes to 50 minutes.
  • a possible method to control the quality of the obtained pellets could be to use an instrument that determines the amount of condensable products in the volatiles fraction.
  • the instrument could determine the amount of condensed material by cooling the volatile fraction to e.g. 110°C.
  • the torrefaction process and the partial pyrolysis process may be run as separate processes in the same or separate reactors. However, preferably, the processes are run sequentially, e.g. by using a temperature gradient.
  • the processes is implemented (as illustrated in Figure 1) with counter current flow conditions (as illustrated in Figure 2 and "Preferred embodiment of the process” below).
  • the feedstock is heated for up to 2 hours.
  • the exit temperature at completion of the torrefaction and partial pyrolysis process typically is in the range from 300 °C to 450 °C.
  • a heat source is needed to facilitate the torrefaction and partial pyrolysis process.
  • Heat may be supplied by heat transfer through a metal wall, by an intermediate heat carrier such as sand, ceramic, concrete or metal balls, steam, C0 2 or by a flue gas nearly depleted of oxygen. Heat can be generated by using the gas developed in process step a), by using heat from other processes or by using a separate fuel supply.
  • a possible size reduction of the char may be performed (see Process B in Figure 1) in order to obtain a more homogeneous char fraction with reduced particle size. This could be as a separate process step or integrated with the torrefaction and/or partial pyrolysis processes.
  • the output stream from step a) is a solid char and the volatile fraction (volatile constituents at the exit temperature).
  • the volatile fraction comprises gasses, water and tar.
  • gases are defined as the fraction of the volatiles which is still in the gas phase at 25 °C and 1 atm.
  • One interesting fraction of the volatile fraction is the tar fraction, which will be discussed further in connection with step b) below.
  • the torrefaction/pyrolysis process can be implemented by use of a range of different reactors, some examples are provided: - Single or multiple screw reactors. An example is shown in Figure 2.
  • the process heat may be provided by external heating of the screw channel wall, by heating the screw or by injection of superheated steam.
  • feedstock drying and torrefaction/pyrolysis units are based on rotary kiln technology.
  • Hot flue gas is provided by combustion of a part of the evolved gas or/and char.
  • Step b) An essential feature of the step b) is that the tar-rich fraction is combined with the incoming feedstock by leading the volatile fraction counter-stream relative to the stream of the feedstock.
  • the evolved volatile fraction gas and tar
  • the evolved volatile fraction is directed backwards (as a counter current stream relative to the stream of the relatively cooler feedstock), whereby the volatile fraction (including the tar-rich fraction) at least partially condenses on the incoming feedstock so as to obtain a tar-rich fraction combined with the incoming feedstock, i.e.
  • the tar-rich fraction thus is allowed to condense on the incoming feedstock before the incoming feedstock undergoes combined torrefaction and partial pyrolysis (see Process CI in Figure IB; no direct cooling is normally needed because the feedstock may provide the cooling effect).
  • the tar-rich fraction is typically condensed when cooling from the temperature of step a) (i.e. the torrefaction/partial pyrolysis temperature (such as about 350 °C)) to a temperature of 50-150 °C.
  • the torrefaction/partial pyrolysis temperature such as about 350 °C
  • no external cooling is necessary, because the volatile fraction is directed as a counter current stream relative to the stream of the feedstock and thereby is cooled by the incoming feedstock. This is believed to constitute an energy-efficient heating of the feedstock and cooling of the volatile fraction.
  • Water can be condensed upon cooling to a temperature below 100 °C. i.e. below the water drew point temperature. In some embodiments, it is desirable to allow water to become condensed together with the tar-rich fraction in that the presence of water will facilitate the pellet formation (step c)).
  • any gasses from the volatile fraction from which the tar-rich fraction is condensed may be combusted so as to provide energy to any drying of the feedstock or to the torrefaction and partial pyrolysis process.
  • the evolved gas may be used to provide heat for, e.g., process step a).
  • the cooling step if necessary, can depending on temperature be utilized for power or heat production, e.g. by heat exchange with appropriate water or steam cycles.
  • the pellets are formulated by addition of additives (see Process D in Figure 1) prior to pelletization.
  • the additives may be clay minerals, lime stone, bleaching soil, sewage sludge or other waste products. Generally materials containing more than 5 wt% of one or several of the following elements may be used: S, P, Al, Si and Ca.
  • the additives are provided so as to modify the properties of the pellets, e.g. such that ash deposition and corrosion problems during pellet combustion are minimized. Additives promoting/catalyzing the tar curing process may also be added.
  • pellets formulations may include:
  • any additives may be combined with the solid char before, in combination with, or after combination of the solid char with the tar-rich fraction. In some embodiments, the additives may even be fed together with the feedstock.
  • step c) of the process (see Process E in Figure 1), the combination of the solid char (preferably in particulate form after grinding), the condensed and (reheated) tar-rich fraction (see above) and any additives (see step b) is pelletised.
  • Keeping of the material at a temperature in the range from 50 °C to 100 °C of the pelletizing process may increase pellet stability and hardness.
  • the pelletizing is conducted using conventional equipment, e.g. an Andritz sprount pellet mill, using conventional conditions.
  • the pelletizing may be followed by a curing step in order to harden the pellets, e.g. by curing the tar.
  • a) and step b) of the process are run as a continuous process.
  • step a), step b) and step c) of the process are run as a continuous process.
  • the present invention also provides a continuous process for the preparation of fuel pellets, said process comprising the steps of a. feeding a feedstock, preferably a biomass selected from wood, to a torrefaction and partial pyrolysis step at a temperature in the range from 250 °C to 500 °C, such as 250-400 °C, e.g. 300-350 °C, whereby a solid char and a volatile fraction are obtained, said volatile fraction comprising a tar fraction; b. directing the evolved volatile fraction counter current stream relative to the stream of the feedstock, and at least partially condensing the volatile fraction on the incoming feedstock so as to obtain a tar-rich condensed fraction combined with the incoming feedstock; and c. pelletization of the combined solid char and (reheated)tar-rich fraction so as to obtain said fuel pellets.
  • a feedstock preferably a biomass selected from wood
  • a torrefaction and partial pyrolysis step at a temperature in the range from 250 °
  • the product can advantageously be stored and transported with high stability and the pellets can be used as fuel in a pulverized fired power plant boiler.
  • the primary demands for an adequate pellet quality is a pellet that is hydrophobic and does not fragment significantly during transportation.
  • the pellets should also have suitable mechanical strength, e.g. defined as the tensile strength thereof.
  • the tensile strength can be measured using a tensometer for compression of a pellet in the radial direction, cf. the method described by da Rocha SSHF, "Mechanical evaluation for the quality control of biomass pellets and briquettes. In: Proceedings of the second world conference on pellets, Jonkoping, Sweden; 2006, 183-187.
  • useful pellets preferably have a tensile strength of at least 100 kPa, such as at least 200 kPa, e.g. at least 300 kPa.
  • Very attractive pellets are those having a tensile strength of at least 400 kPa, such as at least 500 kPa, or at least 600 kPa, or at least 700 kPa.
  • the present invention also provides a fuel pellet comprising a solid char, tar, and, optionally, one or more additives, said solid char and said tar being obtained by torrefaction and partial pyrolysis of a feedstock at a temperature from 250 °C to 500 °C.
  • the pellet has a tensile strength of at least 100 kPa.
  • the pellets prepared according to the invention can be grinded with low energy consumption and is thereby optimal to use in suspension fired boilers. Moreover, the pellets can be stored under out-door conditions on moist regions of the world, e.g. in the Scandinavian countries.
  • pellets prepared according to the invention can be provided to a national or an international market with end-uses in : power plant boilers (grate, fluid bed or suspension fired), district heating boilers, small pellet stoves, industrial process furnaces, kilns and boilers, small-scale heating devices, and barbeque grills.
  • power plant boilers grate, fluid bed or suspension fired
  • district heating boilers small pellet stoves
  • industrial process furnaces kilns and boilers
  • small-scale heating devices small-scale heating devices
  • barbeque grills barbeque grills.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Processing Of Solid Wastes (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

La présente demande concerne un procédé continu de préparation de pastilles combustibles, ledit procédé comprenant les étapes consistant à a) soumettre une charge à une étape de torréfaction et de pyrolyse partielle à une température dans la plage de 250 à 500°C, pour obtenir un produit de carbonisation solide et une fraction volatile, ladite fraction volatile comprenant une fraction de goudron ; b) diriger la fraction volatile qui s'est dégagée sous forme de flux à contre-courant par rapport au flux de la charge, et condenser au moins partiellement la fraction volatile sur la charge entrante de façon à obtenir une fraction riche en goudron combinée à la charge entrante ; et c) pastiller la fraction combinée produit de carbonisation solide/fraction riche en goudron de façon à obtenir lesdites pastilles combustibles. De nouvelles pastilles combustibles sont également décrites.
PCT/DK2012/000072 2011-06-10 2012-06-11 Torréfaction et pyrolyse partielle pour produire des pastilles combustibles à l'aide d'un flux de goudron à contre-courant WO2012167795A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP12796076.3A EP2718409A4 (fr) 2011-06-10 2012-06-11 Torréfaction et pyrolyse partielle pour produire des pastilles combustibles à l'aide d'un flux de goudron à contre-courant
US14/125,103 US20140115956A1 (en) 2011-06-10 2012-06-11 Torrefaction and partial pyrolysis to produce fuel pellets with counter current flow of tar
RU2014100166/04A RU2014100166A (ru) 2011-06-10 2012-06-11 Отжиг и неполный пиролиз биомассы со встречным потоком смолы
CN201280028486.9A CN103687934A (zh) 2011-06-10 2012-06-11 焙烧和部分热解以采用对向流流动的焦油生产燃料颗粒
CA2838760A CA2838760A1 (fr) 2011-06-10 2012-06-11 Torrefaction et pyrolyse partielle pour produire des pastilles combustibles a l'aide d'un flux de goudron a contre-courant
BR112013031642A BR112013031642A2 (pt) 2011-06-10 2012-06-11 torrefação e pirólise parcial para produzir grânulos de combustível com fluxo contracorrente de alcatrão

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201161495471P 2011-06-10 2011-06-10
EP11169556 2011-06-10
EP11169562.3 2011-06-10
EP11169556.5 2011-06-10
US61/495,471 2011-06-10
EP11169562 2011-06-10

Publications (1)

Publication Number Publication Date
WO2012167795A1 true WO2012167795A1 (fr) 2012-12-13

Family

ID=47295498

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/DK2012/000072 WO2012167795A1 (fr) 2011-06-10 2012-06-11 Torréfaction et pyrolyse partielle pour produire des pastilles combustibles à l'aide d'un flux de goudron à contre-courant
PCT/DK2012/000073 WO2012167796A1 (fr) 2011-06-10 2012-06-11 Torréfaction et pyrolyse partielle de matériau pour la production de pastilles combustibles

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/DK2012/000073 WO2012167796A1 (fr) 2011-06-10 2012-06-11 Torréfaction et pyrolyse partielle de matériau pour la production de pastilles combustibles

Country Status (7)

Country Link
US (2) US20140115956A1 (fr)
EP (2) EP2718408A4 (fr)
CN (2) CN103649280A (fr)
BR (2) BR112013031642A2 (fr)
CA (2) CA2838760A1 (fr)
RU (2) RU2014100166A (fr)
WO (2) WO2012167795A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014165995A1 (fr) * 2013-04-09 2014-10-16 Diacarbon Technologies Inc. Procédé de torréfaction
WO2015111993A1 (fr) * 2014-01-23 2015-07-30 Velez De La Rocha José Martín Allume-feu à base de cellulose carbonisée à haute porosité imprégnée de biocombustible
WO2017011912A1 (fr) * 2015-07-21 2017-01-26 British Columbia Biocarbon Ltd. Produit combustible de biocharbon, procédés et systèmes pour le produire

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9909067B2 (en) 2009-01-21 2018-03-06 Cool Planet Energy Systems, Inc. Staged biomass fractionator
US9057037B2 (en) 2010-04-20 2015-06-16 River Basin Energy, Inc. Post torrefaction biomass pelletization
US9127227B2 (en) * 2011-09-16 2015-09-08 Astec, Inc. Method and apparatus for processing biomass material
EP2589648B1 (fr) * 2011-11-04 2017-07-12 River Basin Energy, Inc. Granulation de biomasse torréfiée
US20140227459A1 (en) * 2013-02-11 2014-08-14 General Electric Company Methods and systems for treating carbonaceous materials
CN105209577A (zh) * 2013-03-12 2015-12-30 酷星能源系统公司 生物质反应器
EP2883943A1 (fr) 2013-12-16 2015-06-17 Arigna Fuels Limited Fabrication de briquettes à partir de combustible biomasse traitée thermiquement
US10221359B2 (en) 2016-09-20 2019-03-05 Anthony Phan Biomass treatment process and apparatus
WO2018085362A1 (fr) * 2016-11-01 2018-05-11 Enginuity Worldwide, LLC Système de production de biocharbon et de charbon vert à l'aide d'une unité de compression rotative
EP3361198A1 (fr) * 2017-02-13 2018-08-15 Danmarks Tekniske Universitet Installation de séchage de boue, procédé de séchage de boue et utilisation d'une installation de séchage de boue
CN109135783B (zh) * 2018-09-04 2020-05-19 南京林业大学 生物基型焦的制备方法
CN113355113B (zh) * 2021-06-29 2022-11-01 中国矿业大学 一种提高细粒级低阶煤可浮性的装置与方法
US11952548B2 (en) * 2021-07-26 2024-04-09 Michigan Technological University Systems, methods and techniques for torrefaction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007008406A1 (fr) * 2005-07-08 2007-01-18 Exxonmobil Chemical Patents Inc. Procede de traitement d'un effluent issu de la pyrolyse d'hydrocarbone
US20090007484A1 (en) * 2007-02-23 2009-01-08 Smith David G Apparatus and process for converting biomass feed materials into reusable carbonaceous and hydrocarbon products
WO2010129988A1 (fr) * 2009-05-15 2010-11-18 Anthroterra Pty Ltd Complexe de biochar
EP2287278A2 (fr) * 2009-08-19 2011-02-23 Andritz Technology and Asset Management GmbH Procédé et système pour la torréfaction de matériaux lignocellulosiques

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH228877A (fr) * 1941-02-22 1943-09-30 Seneze Marcel Procédé de fabrication d'agglomérés combustibles formés, au moins pour leur plus grande partie, à partir de matières ligneuses, et produit obtenu d'après ce procédé.
GB864244A (en) * 1957-01-22 1961-03-29 Consolidation Coal Co Method and composition for producing formcoke
JPS56155295A (en) * 1980-05-02 1981-12-01 Mitsubishi Heavy Ind Ltd Treatment of coal
US20030057083A1 (en) * 2001-09-17 2003-03-27 Eatough Craig N. Clean production of coke
CN101351532A (zh) * 2005-10-26 2009-01-21 德维雷奥克斯控股有限公司 用于钝化碳质材料的方法、系统和装置
US8585786B2 (en) * 2006-03-31 2013-11-19 Coaltek, Inc. Methods and systems for briquetting solid fuel
US8449631B2 (en) * 2007-03-18 2013-05-28 John A. Paoluccio Method and apparatus for biomass torrefaction using conduction heating
US20090151251A1 (en) * 2007-12-17 2009-06-18 Range Fuels, Inc. Methods and apparatus for producing syngas and alcohols
SE1050465A1 (sv) * 2010-05-11 2011-11-01 Rolf Ingeson Avsaltningsanordning innefattande en inre och en omslutande behållare
CA2834324C (fr) * 2011-05-18 2019-11-26 Bioendev Ab Torrefaction amelioree par introduction d'oxygene a contre-courant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007008406A1 (fr) * 2005-07-08 2007-01-18 Exxonmobil Chemical Patents Inc. Procede de traitement d'un effluent issu de la pyrolyse d'hydrocarbone
US20090007484A1 (en) * 2007-02-23 2009-01-08 Smith David G Apparatus and process for converting biomass feed materials into reusable carbonaceous and hydrocarbon products
WO2010129988A1 (fr) * 2009-05-15 2010-11-18 Anthroterra Pty Ltd Complexe de biochar
EP2287278A2 (fr) * 2009-08-19 2011-02-23 Andritz Technology and Asset Management GmbH Procédé et système pour la torréfaction de matériaux lignocellulosiques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2718409A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014165995A1 (fr) * 2013-04-09 2014-10-16 Diacarbon Technologies Inc. Procédé de torréfaction
WO2015111993A1 (fr) * 2014-01-23 2015-07-30 Velez De La Rocha José Martín Allume-feu à base de cellulose carbonisée à haute porosité imprégnée de biocombustible
WO2017011912A1 (fr) * 2015-07-21 2017-01-26 British Columbia Biocarbon Ltd. Produit combustible de biocharbon, procédés et systèmes pour le produire
US10995274B2 (en) 2015-07-21 2021-05-04 British Columbia Biocarbon Ltd. Biocoal fuel product and processes and systems for the production thereof

Also Published As

Publication number Publication date
WO2012167796A8 (fr) 2013-02-21
RU2014100163A (ru) 2015-07-20
BR112013031655A2 (pt) 2016-12-06
EP2718409A1 (fr) 2014-04-16
CN103687934A (zh) 2014-03-26
US20140115956A1 (en) 2014-05-01
WO2012167796A1 (fr) 2012-12-13
US20140109468A1 (en) 2014-04-24
BR112013031642A2 (pt) 2016-12-06
EP2718409A4 (fr) 2015-04-01
CN103649280A (zh) 2014-03-19
CA2838571A1 (fr) 2012-12-13
RU2014100166A (ru) 2015-07-20
EP2718408A1 (fr) 2014-04-16
EP2718408A4 (fr) 2015-04-01
CA2838760A1 (fr) 2012-12-13

Similar Documents

Publication Publication Date Title
US20140115956A1 (en) Torrefaction and partial pyrolysis to produce fuel pellets with counter current flow of tar
US20220169936A1 (en) Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis
Gil et al. Coal and biomass cofiring: fundamentals and future trends
AU2005304556B2 (en) Slurry dewatering and conversion of biosolids to a renewable fuel
CN101412929B (zh) 利用生物质制造合成气的高温气化工艺方法及系统
US11959024B2 (en) Biocoal fuel product and processes and systems for the production thereof
CN101418239B (zh) 利用生物质制造合成气的高温气化工艺方法及系统
CN101418240B (zh) 利用生物质制造合成气的高温气化工艺方法及系统
EP2488604A1 (fr) Procédé et appareil de production de biocarbone
CN101418238B (zh) 利用生物质制造合成气的高温气化工艺方法及系统
Yang et al. Conversion of organic residue from solid-state anaerobic digestion of livestock waste to produce the solid fuel through hydrothermal carbonization
Mulligan et al. Technological advances of industrial biomass pyrolysis

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12796076

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2838760

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 14125103

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2012796076

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2014100166

Country of ref document: RU

Kind code of ref document: A

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112013031642

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 112013031642

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20131209