EP3662038A1 - Procédé pour traiter des matières solides organiques en tant que combustible pour gazéifieur à lit fixe et procédé pour faire fonctionner un gazéifieur à lit fixe afin d'obtenir un produit gazeux contenant lesdites matières solides organiques traitées - Google Patents

Procédé pour traiter des matières solides organiques en tant que combustible pour gazéifieur à lit fixe et procédé pour faire fonctionner un gazéifieur à lit fixe afin d'obtenir un produit gazeux contenant lesdites matières solides organiques traitées

Info

Publication number
EP3662038A1
EP3662038A1 EP18755412.6A EP18755412A EP3662038A1 EP 3662038 A1 EP3662038 A1 EP 3662038A1 EP 18755412 A EP18755412 A EP 18755412A EP 3662038 A1 EP3662038 A1 EP 3662038A1
Authority
EP
European Patent Office
Prior art keywords
organic solids
fixed bed
efb
fuel
fibrous
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.)
Pending
Application number
EP18755412.6A
Other languages
German (de)
English (en)
Inventor
Gerald Binder
Moritz Husmann
Julien UHLIG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosmarin Holdings Ltd
Original Assignee
Rosmarin Holdings Ltd
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
Priority claimed from DE102017213189.6A external-priority patent/DE102017213189B4/de
Application filed by Rosmarin Holdings Ltd filed Critical Rosmarin Holdings Ltd
Publication of EP3662038A1 publication Critical patent/EP3662038A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0903—Feed preparation
    • C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0903—Feed preparation
    • C10J2300/0909—Drying
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Definitions

  • the invention relates to a process for the treatment of organic solids as a fuel for fixed bed gasifier according to claim 1 and a method for operating a fixed bed gasifier for producing a product gas with such treated organic solids according to claim 16.
  • EFB fibrous waste
  • fibrous organic solids such as plants - claim 3. These may be both renewable resources and plant waste, the z.
  • fibrous organic solids such as plants - claim 3.
  • these may be both renewable resources and plant waste, the z.
  • the production of alcoholic beverages or as so-called EFB in palm oil production is obtained.
  • the following organic solids can be prepared:
  • Seagrass, algae Particularly effective is the treatment of fibrous grassy solids, such as A-round Donax, Napier grass, Switch grass, Miscanthus, hay, straw; fibrous fruit peel such as mangosteen, jackfruit, durian, breadfruit, prickly pear, coconut, banana, cocoa peel, pineapple, citrus fruit; Palm fibers such as coconut, date, hemp palm; and fibrous fruit kernels, such as mango kernels, coconut, avocado.
  • fibrous grassy solids such as A-round Donax, Napier grass, Switch grass, Miscanthus, hay, straw
  • fibrous fruit peel such as mangosteen, jackfruit, durian, breadfruit, prickly pear, coconut, banana, cocoa peel, pineapple, citrus fruit
  • Palm fibers such as coconut, date, hemp palm
  • fibrous fruit kernels such as mango kernels, coconut, avocado.
  • the preferred range is between 50g and 200g of organic solids per liter of fresh water. It is desired to minimize the fresh water consumption - claim 8.
  • the amount of the additive is between 1 and 10 percent by weight based on the mass of organic solids - claim 9.
  • the mixture of water, additive and organic solids is preferably heated to a temperature of 40 ° C to 80 ° C and preferably to 50 ° C to 70 ° C and - claim 10.
  • the heat for heating the mixture of water, additive and organic solids is preferably provided by waste heat from the fixed bed gasifier - claim 1 1.
  • the residence time of the organic solids in the liquid is preferably between 1 and 20 hours and preferably between 1 and 5 hours - claim 12.
  • the residence time can be reduced by mechanical stirring of the mixture of water, additive and organic solids - Claim 13.
  • the fiber length after the crushing step is between 1 cm and 10 cm, and preferably between 3 cm and 5 cm - claim 14.
  • EFB was comminuted to a fiber length between 3 cm and 5 cm in the comminution step.
  • EFB was comminuted to a fiber length between 3 cm and 5 cm in the comminution step.
  • 1 g quicklime (CaO) was added to 11 seawater and 10g EFB.
  • the mixture of EFB, seawater and additive was heated to about 60 ° C and the EFB was soaked for 20 hours.
  • the EFB was removed and mechanically dried to a water content of about 50w% and then thermally to a water content of about 15 w%.
  • This dried EFB was then pelleted.
  • These pellets are used as pourable biomass particles in a fixed bed gasifier according to WO 2016/091835 A1.
  • the use was unproblematic.
  • the ash melting point rose above 1 100 ° C compared to untreated EFB and the ash content fell below 10w% of the EFB used.
  • the coconut palm is found on almost every tropical or subtropical island. This plant and especially the fibrous fruiting bodies are thus an ideal fuel for the decentralized energy supply of remote islands.
  • the use of coconut waste in many places offers the potential to replace the existing power supply with diesel generators.
  • Especially the fibrous fruit husks of coconut fall, especially in the decentralized production, as waste. These make up about 35% by weight of the fresh coconut.
  • the coconut fibers are used to make fabric materials, briquettes and fertilizer. However, this is only possible with the central processing of the nut. With the above method, the very low melting ash components of the coconut fibers can be stabilized. This applies to both the fruit fibers and the trunk of the palm itself.
  • seawater is heated to about 75 ° C in a ratio of 1/100 coconut fibers are added (for example, 10g to 1 liter) and in turn in a ratio of 1 to 10 based on the biomass share CaO, z. B. in the form of cement, added to the mixture.
  • This mixture is brewed for 5 hours.
  • the result is a soft ash without formation of melt.
  • Such a raw material can be processed decentrally in small mills into pellets and used with the biomass gasifier described in the patent for the provision of electricity and also entire decentralized power grids in the island operation.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un procédé pour traiter des déchets organiques fibreux (EFB, Empty Fruit Bunches ou rafles), de telle sorte que les EFB puissent être utilisés dans des gazéifieurs à lit fixe afin de produire des produits gazeux (gaz de bois). L'invention concerne en outre un procédé pour mettre en œuvre un gazéifieur à lit fixe afin de produire un produit gazeux à partir de déchets organiques fibreux (EFB) traités de cette manière. Non traités, ces déchets organiques fibreux en tant que combustible présentent de mauvaises propriétés en termes de teneur en cendres et de point de fusion des cendres. Pour élever le point de fusion, un procédé de lixiviation a été développé, dans lequel des EFB broyés sont plongés dans de l'eau de mer chauffée pendant un certain temps en ajoutant de la chaux vive, du calcaire et/ou du kaolin. Cette lixiviation vise à réduire les constituants des cendres critiques à bas point de fusion dans les EFB, de manière à améliorer leurs propriétés de combustion. En utilisant de l'eau de mer au lieu de l'eau potable ou de l'eau distillée, le procédé est particulièrement écologique et économique. Après séchage, il résulte un combustible pour gazéifieurs à lit fixe qui ne fond plus à une température de 1100 °C et qui présente une teneur en cendres inférieure à 10 % en poids.
EP18755412.6A 2017-07-31 2018-07-31 Procédé pour traiter des matières solides organiques en tant que combustible pour gazéifieur à lit fixe et procédé pour faire fonctionner un gazéifieur à lit fixe afin d'obtenir un produit gazeux contenant lesdites matières solides organiques traitées Pending EP3662038A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102017213189.6A DE102017213189B4 (de) 2017-07-31 2017-07-31 Verfahren zum Behandeln von faserigen organischen Abfallstoffen, die bei der Herstellung von Palmöl anfallen sowie ein Verfahren zum Betreiben eines Festbettvergasers zum Erzeugen eines Produktgases mit solchen Abfallstoffen
DE102017216405 2017-09-15
DE102017216601 2017-09-19
PCT/EP2018/070720 WO2019025436A1 (fr) 2017-07-31 2018-07-31 Procédé pour traiter des matières solides organiques en tant que combustible pour gazéifieur à lit fixe et procédé pour faire fonctionner un gazéifieur à lit fixe afin d'obtenir un produit gazeux contenant lesdites matières solides organiques traitées

Publications (1)

Publication Number Publication Date
EP3662038A1 true EP3662038A1 (fr) 2020-06-10

Family

ID=63209381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18755412.6A Pending EP3662038A1 (fr) 2017-07-31 2018-07-31 Procédé pour traiter des matières solides organiques en tant que combustible pour gazéifieur à lit fixe et procédé pour faire fonctionner un gazéifieur à lit fixe afin d'obtenir un produit gazeux contenant lesdites matières solides organiques traitées

Country Status (2)

Country Link
EP (1) EP3662038A1 (fr)
WO (1) WO2019025436A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009018053A1 (fr) * 2007-08-02 2009-02-05 Greatpoint Energy, Inc. Compositions de charbon chargées en catalyseur, procédés de fabrication et utilisation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA763382B (en) * 1975-06-18 1977-05-25 Battelle Memorial Institute Converting fuels
US5865898A (en) * 1992-08-06 1999-02-02 The Texas A&M University System Methods of biomass pretreatment
DE102014225166A1 (de) 2014-12-08 2016-06-09 Autark Energy Gmbh Gleichstrom-Festbettvergaser zum Erzeugen eines Produktgases aus schüttbaren Biomasseteilchen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009018053A1 (fr) * 2007-08-02 2009-02-05 Greatpoint Energy, Inc. Compositions de charbon chargées en catalyseur, procédés de fabrication et utilisation

Also Published As

Publication number Publication date
WO2019025436A1 (fr) 2019-02-07

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