CH717114A1 - Manufacturing process from hyacinths. - Google Patents

Manufacturing process from hyacinths. Download PDF

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Publication number
CH717114A1
CH717114A1 CH00134/20A CH1342020A CH717114A1 CH 717114 A1 CH717114 A1 CH 717114A1 CH 00134/20 A CH00134/20 A CH 00134/20A CH 1342020 A CH1342020 A CH 1342020A CH 717114 A1 CH717114 A1 CH 717114A1
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CH
Switzerland
Prior art keywords
briquette
pellet
water hyacinth
briquettes
hyacinth
Prior art date
Application number
CH00134/20A
Other languages
French (fr)
Inventor
Jacques Debize Michaël
Original Assignee
Michael Jacques Debize
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 Michael Jacques Debize filed Critical Michael Jacques Debize
Priority to CH00134/20A priority Critical patent/CH717114A1/en
Priority to PCT/IB2021/050936 priority patent/WO2021156801A1/en
Publication of CH717114A1 publication Critical patent/CH717114A1/en

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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
    • 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
    • C10L5/361—Briquettes
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/08—Drying or removing water
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/28—Cutting, disintegrating, shredding or grinding
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/30—Pressing, compressing or compacting
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/32—Molding or moulds
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
    • C10L2290/545—Washing, scrubbing, stripping, scavenging for separating fractions, components or impurities during preparation or upgrading of a fuel
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
    • C10L2290/546—Sieving for separating fractions, components or impurities during preparation or upgrading of a fuel
    • 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
    • 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
    • C10L9/083—Torrefaction
    • 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

Abstract

L'invention concerne un procédé pour la fabrication de pastilles ou de briquettes à partir de jacinthe d'eau comprenant les étapes consistant à récupérer la jacinthe d'eau, optionnellement nettoyer la jacinthe d'eau, broyer la jacinthe d'eau, tamiser la jacinthe d'eau broyée, stocker la jacinthe d'eau broyée dans une cuve, sécher la jacinthe d'eau au moyen d'un séchoir, mouler et compacter la jacinthe d'eau sous forme de pastilles ou de briquettes dont l'humidité relative est inférieure à 12%.The invention relates to a process for making pellets or briquettes from water hyacinth comprising the steps of collecting the water hyacinth, optionally cleaning the water hyacinth, crushing the water hyacinth, sifting the water hyacinth. crushed water hyacinth, store the crushed water hyacinth in a tank, dry the water hyacinth using a dryer, mold and compact the water hyacinth in the form of pellets or briquettes with relative humidity is less than 12%.

Description

[0001] La présente invention a pour objet un procédé de traitement d'une plante et plus particulièrement la jacinthe d'eau afin de fabriquer des briquettes remplaçant ainsi les briquettes utilisées actuellement, telles que les briquettes de charbons ou de bois. The present invention relates to a method of treating a plant and more particularly water hyacinth in order to manufacture briquettes thus replacing the briquettes currently used, such as charcoal or wood briquettes.

[0002] On connait de tels procédés, par exemple par le brevet danois n° 148.119décrivant un procédé de fabrication de briquettes de paille comprimées pour le chauffage, présentant pour particularité d'utiliser, comme liant, une boue hydratée renfermant une matière organique, notamment, une boue provenant de l'épuration des eaux d'égout ou de la récupération de gaz biologique. Les avantages exposés pour cette invention consistent en particulier en l'élimination de la boue au moyen de briquettes de paille et en l'exploitation du pouvoir calorifique du contenu organique de la boue, alors que la structure ou la résistance à la déformation de la briquette s'avère moins importante. Such processes are known, for example from Danish Patent No. 148,119 describing a method of manufacturing compressed straw briquettes for heating, having the particularity of using, as a binder, a hydrated sludge containing an organic material, in particular, a sludge from the purification of sewage or the recovery of biological gas. The advantages disclosed for this invention consist in particular in the removal of the sludge by means of straw briquettes and in the exploitation of the calorific value of the organic content of the sludge, while the structure or the resistance to deformation of the briquette turns out to be less important.

[0003] On connait également, par exemple le brevet FR2586254décrivant un procédé de fabrication de briquettes ou de boulets pour le chauffage constitués de tiges de céréales ou de paille, ou de déchets cellulosiques semblables. Pendant l'opération de compression, il est ajouté un liant. La compression se fait à une pression faisant monter temporairement la température dans la briquette de paille à une valeur comprise entre 75°C et 200°C. Le liant est constitué par de la paille ou une matière résiduaire analogue provenant de plantes légumineuses et/ou de plantes renfermant des protéines. We also know, for example the patent FR2586254 describing a method of manufacturing briquettes or balls for heating consisting of stalks of cereals or straw, or similar cellulosic waste. During the compression operation, a binder is added. The compression is carried out at a pressure temporarily raising the temperature in the straw briquette to a value between 75 ° C and 200 ° C. The binder consists of straw or a similar waste material from leguminous plants and / or plants containing proteins.

[0004] La présente invention a pour objet un procédé de fabrication de briquette dans le but de remplacer le charbon et de stopper la destruction de forêts, comme c'est le cas à Madagascar. Le procédé de la présente invention permet d'obtenir une briquette de haute qualité énergétique et peu coûteuse utilisable quotidiennement à la place du charbon comme combustible domestique. The present invention relates to a briquette manufacturing process for the purpose of replacing charcoal and stopping the destruction of forests, as is the case in Madagascar. The process of the present invention makes it possible to obtain a briquette of high energy quality and inexpensive which can be used daily in place of coal as a household fuel.

[0005] La briquette obtenue par le procédé de la présente invention est un produit 100% naturel et une alternative aux produits de chauffage classique tout en conservant une performance au moins égale voire meilleure. The briquette obtained by the process of the present invention is a 100% natural product and an alternative to conventional heating products while maintaining at least equal or even better performance.

[0006] Par ailleurs, le procédé permet d'exploiter une matière première abondante dans certains pays et inutilisée voire parfois gênante. [0006] Furthermore, the process makes it possible to exploit a raw material which is abundant in certain countries and which is unused or even sometimes troublesome.

[0007] Conformément à l'invention, un procédé de traitement d'une plante selon les étapes suivantes: Etape A: Récupération de la jacinthe d'eau, Etape B optionnelle: nettoyage des jacinthes d'eau, Etape C: Broyage de la jacinthe d'eau, Etape D: Tamisage de la jacinthe d'eau broyée, Etape E: Stockage de la jacinthe d'eau dans une cuve, Etape F: Séchage de la jacinthe d'eau au moyen d'un séchoir, Etape G: Moulage et compactage de la jacinthe d'eau sous forme de pastilles ou de briquettes dont l'humidité relative est inférieure à 12%.According to the invention, a method for treating a plant according to the following steps: Step A: Recovery of the water hyacinth, optional Step B: cleaning of the water hyacinths, Step C: Grinding of the water hyacinth, Step D: Sieving the crushed water hyacinth, Step E: Storing the water hyacinth in a tank, Step F: Drying the water hyacinth using a dryer, Step G : Molding and compacting of water hyacinth in the form of pellets or briquettes with a relative humidity of less than 12%.

[0008] Dans une forme d'exécution, la pastille ou la briquette obtenue comporte un taux de cendres issu de la matière compris entre 11et 30%. In one embodiment, the pellet or briquette obtained has an ash content from the material of between 11 and 30%.

[0009] Dans une autre forme d'exécution, la pastille ou la briquette obtenue comporte un PCS sec, pouvoir calorifique supérieur, compris entre +/- 1,2fois le PCS à réception. In another embodiment, the pellet or briquette obtained comprises a dry PCS, higher calorific value, between +/- 1.2 times the PCS on reception.

[0010] Dans une forme d'exécution, la pastille ou la briquette obtenue comporte un PCI sec, pouvoir calorifique inférieur, à 16%. In one embodiment, the pellet or briquette obtained comprises a dry PCI, lower calorific value, at 16%.

[0011] De préférence, la pastille ou la briquette comporte un trou en son centre. Preferably, the pellet or briquette has a hole in its center.

[0012] Dans une autre forme d'exécution, la pastille ou la briquette comporte une proportion d'azote inférieure à 3%. [0012] In another embodiment, the pellet or the briquette comprises a proportion of nitrogen of less than 3%.

[0013] Dans une forme d'exécution, une étape supplémentaire consistant à torréfier la pastille ou la briquette. In one embodiment, an additional step consisting in roasting the pellet or the briquette.

[0014] Dans une autre forme d'exécution, un liant écologique est intégré dans l'étape G. In another embodiment, an ecological binder is integrated in step G.

[0015] De préférence, la pastille ou la briquette obtenue est de forme allongée. Preferably, the pellet or briquette obtained is of elongated shape.

[0016] Dans une variante, la pastille ou briquette obtenue peut être de forme carrée. In a variant, the pellet or briquette obtained can be of square shape.

[0017] Dans une autre forme d'exécution, la pastille ou la briquette peuvent servir de combustible pour le chauffage ou l'utilisation domestique, tel que le barbecue. In another embodiment, the pellet or briquette can be used as fuel for heating or domestic use, such as the barbecue.

[0018] La pastille ou briquette de la présente invention permet une manipulation sans résidu ni poussière contrairement à des briquettes salissantes. The pellet or briquette of the present invention allows handling without residue or dust unlike dirty briquettes.

[0019] L'invention concerne également une pastille ou briquette obtenable par le procédé. The invention also relates to a pellet or briquette obtainable by the method.

[0020] Dans un exemple non illustré, le procédé pour la fabrication de briquettes à partir de jacinthe d'eau comprend les étapes consistant à récupérer la jacinthe d'eau dans des plans d'eau à Madagascar. La jacinthe d'eau est une plante invasive qui asphyxie les plans d'eau et provoque la disparition des poissons au profit d'autres nuisibles comme les rats qui prolifèrent les maladies. In an example not illustrated, the method for the manufacture of briquettes from water hyacinth comprises the steps of recovering the water hyacinth in bodies of water in Madagascar. The water hyacinth is an invasive plant that suffocates water bodies and causes the disappearance of fish to the benefit of other pests such as rats which proliferate diseases.

[0021] Par ailleurs, à cause de la déforestation, les plantes n'ayant plus aucun obstacle, envahissent tous les cours d'eau et provoquent une navigation difficile, par les hélices des bateaux qui se prennent facilement dans ces plantes d'eau aux racines emmêlées, et par une navigation des pirogues plus difficile car nécessitant de très gros efforts aux rameurs. Furthermore, because of deforestation, the plants no longer having any obstacle, invade all the rivers and cause difficult navigation, by the propellers of the boats which are easily caught in these water plants at the tangled roots, and by navigation of the canoes more difficult because requiring very great efforts to the rowers.

[0022] La récolte de jacinthes est effectuée de manière industrielle. Dans une variante, elle peut être effectuée par les autochtones dans les bidonvilles. Pour une récolte industrielle, des faucardeuses sont utilisées pour récolter les jacinthes. Les jacinthes sont ensuite éjectées à l'arrière de la faucardeuse pour former une sorte de tapis flottant. Des barges sont agencées tout au long du tapis flottant afin d'encadrer le tapis de jacinthes avec un filet vertical (comprenant des flotteurs pour la partie supérieure et des lests pour la partie immergée). Une fois les faucardeuses passées sur la première bande, les filets sont reliés à l'entrée d'une usine et tractés à l'aide d'un système de poulie afin de ramener les jacinthes fauchées, directement à l'intérieur de l'usine. The hyacinth harvest is carried out industrially. Alternatively, it can be carried out by the natives in the slums. For an industrial harvest, hay harvesters are used to harvest the hyacinths. The hyacinths are then ejected from the back of the mower to form a sort of floating mat. Barges are arranged all along the floating mat to frame the hyacinth mat with a vertical net (including floats for the upper part and weights for the submerged part). Once the mower has passed on the first strip, the nets are connected to the entrance of a factory and towed using a pulley system to bring the mown hyacinths directly inside the factory. .

[0023] La jacinthe entre dans l'usine sur un tapis qui la conduit premièrement dans un broyeur fait de couteaux rotatifs. Cette étape permet de procéder à une sorte de premier nettoyage afin d'enlever une grosse partie du sable et de la terre contenus dans les racines de la jacinthe. La jacinthe ainsi broyée passera ensuite dans un cribleur qui effectuera une sorte de tamisage plus fin que le broyeur. La plante ainsi nettoyée pourra finalement être conduite vers une cuve de stockage. La jacinthe broyée et tamisée est ensuite séchée par un séchoir alimenté par du biogaz. Une fois séchée, les fibres sont moulées et compactées sous forme de briquettes. Les briquettes sont ensuite emballées dans des sacs de 20kilos qui sont ensuite stockés avant d'être acheminés par des camions aux habitants. [0023] The hyacinth enters the factory on a belt which leads it first into a crusher made of rotating knives. This step allows you to carry out a kind of first cleaning in order to remove a large part of the sand and earth contained in the roots of the hyacinth. The hyacinth thus crushed will then pass through a screen which will perform a sort of sifting which is finer than the mill. The plant thus cleaned can finally be taken to a storage tank. The crushed and sieved hyacinth is then dried by a dryer fed by biogas. Once dried, the fibers are molded and compacted into briquettes. The briquettes are then packed in 20kilos bags which are then stored before being transported by trucks to the inhabitants.

[0024] Dans cet exemple, le procédé comporte une étape supplémentaire consistant à torréfier la briquette. In this example, the method comprises an additional step of roasting the briquette.

[0025] La briquette torréfiée comporte une humidité relative égale à 7%, un taux de cendres issu de la matière de 23%, un PCS sec de 15% et un PCI sec de 15%. The roasted briquette has a relative humidity equal to 7%, an ash content from the material of 23%, a dry PCS of 15% and a dry PCI of 15%.

[0026] La briquette torréfiée comporte une proportion d'azote inférieure à 1%, typiquement 0.95%. The roasted briquette has a nitrogen proportion of less than 1%, typically 0.95%.

[0027] Le procédé de la présente invention permet d'obtenir une briquette de haute qualité énergétique et peu coûteuse utilisable quotidiennement à la place du charbon comme combustible domestique et qui pernet également de préserver la faune et la flore. The method of the present invention makes it possible to obtain a briquette of high energy quality and inexpensive which can be used daily instead of coal as a household fuel and which also helps to preserve flora and fauna.

Claims (12)

1. Procédé pour la fabrication de pastilles ou de briquettes à partir de jacinthe d'eau comprenant les étapes consistant à: a. récupérer la jacinthe d'eau, b. optionnellement nettoyer la jacinthe d'eau, c. broyer la jacinthe d'eau, d. tamiser la jacinthe d'eau broyée, e. stocker la jacinthe d'eau broyée dans une cuve, f. sécher la jacinthe d'eau au moyen d'un séchoir, g. mouler et compacter la jacinthe d'eau sous forme de pastilles ou de briquettes dont l'humidité relative est inférieure à 12%.1. Process for the manufacture of pellets or briquettes from water hyacinth comprising the steps of: To. recover the water hyacinth, b. optionally clean the water hyacinth, vs. grind the water hyacinth, d. sift the crushed water hyacinth, e. store the ground water hyacinth in a tank, f. dry the water hyacinth using a dryer, g. mold and compact the water hyacinth in the form of pellets or briquettes with a relative humidity of less than 12%. 2. Procédé selon la revendication 1, dans lequel la pastille ou la briquette obtenue comporte un taux de cendres issu de la matière compris entre 11et 30%.2. The method of claim 1, wherein the pellet or briquette obtained comprises an ash content from the material between 11 and 30%. 3. Procédé selon l'une des revendications 1ou 2, dans lequel la pastille ou la briquette obtenue comporte un PCS sec, pouvoir calorifique supérieur, compris entre +/- 1,2fois le PCS à réception.3. Method according to one of claims 1 or 2, wherein the pellet or briquette obtained comprises a dry PCS, higher calorific value, between +/- 1.2 times the PCS on reception. 4. Procédé selon l'une des revendications précédentes, dans lequel la pastille ou la briquette obtenue comporte un PCI sec, pouvoir calorifique inférieur, à 16%.4. Method according to one of the preceding claims, wherein the pellet or briquette obtained comprises a dry PCI, lower calorific value, than 16%. 5. Procédé selon l'une des revendications précédentes, dans lequel la pastille ou la briquette comporte un trou en son centre.5. Method according to one of the preceding claims, wherein the pellet or briquette has a hole in its center. 6. Procédé selon la revendication 5, dans lequel le trou représente moins de 15% du volume de la pastille ou la briquette.6. The method of claim 5, wherein the hole represents less than 15% of the volume of the pellet or briquette. 7. Procédé selon l'une des revendications précédentes, dans lequel la pastille ou la briquette comporte une proportion d'azote inférieure à 3%.7. Method according to one of the preceding claims, wherein the pellet or briquette comprises a nitrogen proportion of less than 3%. 8. Procédé selon l'une des revendications précédentes, comportant une étape supplémentaire consistant à torréfier la pastille ou la briquette.8. Method according to one of the preceding claims, comprising an additional step of roasting the pellet or briquette. 9. Procédé selon l'une des revendications précédentes, dans lequel un liant écologique est intégré dans l'étape g.9. Method according to one of the preceding claims, in which an ecological binder is integrated in step g. 10. Procédé selon l'une des revendications précédentes, dans lequel la pastille ou la briquette obtenue est de forme allongée.10. Method according to one of the preceding claims, wherein the pellet or briquette obtained is of elongated shape. 11. Procédé selon l'une des revendications précédentes, dans lequel la pastille ou la briquette peuvent servir de combustible pour le chauffage ou l'utilisation domestique, tel que le barbecue.11. Method according to one of the preceding claims, wherein the pellet or briquette can be used as fuel for heating or domestic use, such as the barbecue. 12. Pastille ou briquette obtenable par le procédé des revendications 1à 11.12. Pellet or briquette obtainable by the process of claims 1 to 11.
CH00134/20A 2020-02-05 2020-02-05 Manufacturing process from hyacinths. CH717114A1 (en)

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