WO2015019305A1 - Installation et procédé de traitement de déchets organiques - Google Patents

Installation et procédé de traitement de déchets organiques Download PDF

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Publication number
WO2015019305A1
WO2015019305A1 PCT/IB2014/063745 IB2014063745W WO2015019305A1 WO 2015019305 A1 WO2015019305 A1 WO 2015019305A1 IB 2014063745 W IB2014063745 W IB 2014063745W WO 2015019305 A1 WO2015019305 A1 WO 2015019305A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
organic waste
plant according
air
removable
Prior art date
Application number
PCT/IB2014/063745
Other languages
English (en)
Inventor
Loris Bressan
Original Assignee
Ambientalia S.R.L.
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 Ambientalia S.R.L. filed Critical Ambientalia S.R.L.
Publication of WO2015019305A1 publication Critical patent/WO2015019305A1/fr

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Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/921Devices in which the material is conveyed essentially horizontally between inlet and discharge means
    • C05F17/943Means for combined mixing and conveying
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/957Apparatus therefor using two or more serially arranged devices
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors
    • C05F17/971Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors
    • C05F17/971Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
    • C05F17/979Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material the other material being gaseous
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors
    • C05F17/971Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
    • C05F17/986Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material the other material being liquid
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock
    • Y02P20/145Feedstock the feedstock being materials of biological origin
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Definitions

  • This invention relates to a plant for treating organic waste.
  • this invention relates to a plant for treating organic waste for producing compost.
  • this invention relates to a method for producing compost.
  • post generally indicates the result of the decomposition of a mixture of organic materials (such as pruning waste, kitchen waste, manure, garden waste such as leaves and cut grass) by macro and microorganisms under certain conditions, firstly the presence of oxygen.
  • organic materials such as pruning waste, kitchen waste, manure, garden waste such as leaves and cut grass
  • the treatment of organic waste for producing compost is an aerobic biological process producing a mixture of humified substances (the compost) starting from plant residue, both green and woody, or even animal waste using the action of bacteria and fungi.
  • the aim of this invention is therefore to provide a plant for treating organic waste for producing compost which allows the drawbacks of the prior art plants to be overcome.
  • a further aim of this invention is to provide a method for producing compost inside the above-mentioned plant.
  • Figure 1 is a schematic perspective view from above of a first embodiment of the waste treatment plant according to this invention
  • Figure 2 is a schematic front elevation view of the plant of Figure 1 ;
  • Figure 3 is a schematic plan view from above of the plant of the previous figures.
  • Figure 4 is a section view through the line IV-IV of Figure 3;
  • Figure 5 is a perspective view from above of a detail of the plant of the previous figures.
  • Figure 5a is side cross section elevation view of the detail of Figure
  • Figure 6 is a perspective view from above of the detail of Figure 5 in a different configuration
  • Figure 7 is a perspective view from above of another embodiment of the detail of Figures 5 and 6;
  • Figure 8 is a schematic perspective view from above with some parts cut away to better illustrate others of a second embodiment of the waste treatment plant according to this invention.
  • Figure 9 is a schematic perspective view from above of a third embodiment of the waste treatment plant according to this invention.
  • Figure 10 is a schematic plan view from above of another embodiment of the detail of Figures 5 to 7;
  • Figures 11 and 12 illustrate respective perspective views from different angles of a further embodiment of the detail of Figures 5 to 7.
  • the reference numeral 1 denotes in its entirety a first embodiment of a plant for treating organic waste for producing compost according to this invention.
  • the plant 1 for treatment of organic waste for producing compost comprises a plurality of area 2 for storing organic waste.
  • each storage area 2 in the plant 1 is separated from the adjacent one.
  • each storage area 2 has a main longitudinal direction of extension D1.
  • Each storage area 2 is designed to house a plurality of removable containers 3 for accumulating the organic waste 4, the containers 3 being designed to be inserted in succession inside the storage area 2.
  • the removable containers 3 are positioned in succession inside the storage area 2 along the above-mentioned direction D1.
  • the containers 3 are advantageously limited in size, in such a way that they can be manoeuvred individually, once filled with organic waste 4, even with common, manually operated pallet transporters, which are not illustrated or, in the case of container 3 illustrated in Figure 11 , by suitable vehicles designed for pulling.
  • the container 3 has the shape of a parallelepiped and its substantially quadrangular base has sides not longer than 2 metres.
  • the plant 1 comprises a station 5 for pumping air to be introduced inside the organic waste 4 so as to facilitate the oxidisation process of the organic material.
  • a manifold pipe 7 for introducing air inside the storage area 2 extends from the first pipe 6.
  • a plurality of first conduits 8 extend from the manifold pipe 7, designed to be connected to respective removable containers 3, when these are inserted, full of waste 4, inside the storage area 2.
  • Each first conduit 8 is connected to the respective container 3 at a relative lower area 3a, where a special opening 9 is made, as illustrated in Figures 5 and 6.
  • the first conduit 8 is of the flexible type.
  • each first conduit 8 has a respective on-off valve, not illustrated, to allow the passage of air only in the presence of a relative container 3.
  • the container 3 is shaped substantially like a parallelepiped and has four feet 10 positioned at the corners of the relative base 11.
  • the container 3 comprises a bottom wall 12, supporting the waste accumulated therein.
  • the bottom wall 12 has a plurality of through holes 13.
  • the bottom wall 12 and the above-mentioned base 11 delimit, above and below, respectively, a hollow space 14 for collecting percolate forming during treatment of the organic waste.
  • the base 11 is advantageously made with a concave shape in such a way as to convey the above-mentioned percolate towards a single point, at which an opening 15 is made for draining the percolate towards the outside.
  • the above-mentioned opening 9 is connected to the hollow space 14.
  • the air introduced inside the hollow space 14 through the opening 9, passing through the holes 13 made in the bottom wall 12 reaches the waste 4 accumulated in the container 3.
  • the opening 9, the hollow space 14 and the through holes 13 made in the bottom wall 12 form, in their entirety, means 16 for distributing the air inside each removable container 3.
  • the removable container 3 comprises a swinging door 17 for unloading the compost.
  • the plant 1 comprises a suction station 18 for extracting from the storage areas 2 the substantially polluted and evil- smelling air generated during treatment of the organic waste 4.
  • the air is then sent to filtering means 19 designed both to reduce polluting agents and remove further possible causes of the bas smell.
  • a second pipe 20 connected to each storage area 2 extends from the above-mentioned suction station 18, for extracting air from the storage areas 2.
  • a choke valve 21 designed to adjust the flow rate of air sucked as a function of the various steps for treating the waste 4 during production of the compost.
  • the action for pumping the air and the action for extracting the air are performed using the same air processing machine.
  • first and second pipe 6, 20, manifold pipe 7, first conduits 8, choke valves 21 form, in their entirety, for the plant 1 , means 22 for introducing and extracting air to and from the storage areas 2.
  • each storage area 2 comprises a cover 23, perimeter walls 24 which delimit the space, an access door 25 and a flooring 26.
  • the flooring 26 of the storage area 2 is watertight.
  • the flooring 26 of the storage area 2 is shaped for conveying the percolate discharged from the removable containers 3 to a collection pit 27.
  • the flooring 26 of each storage area 2 has a central tank 28 with a longitudinal extension inside of which the containers
  • the tank 28 advantageously has two sloping sections converging towards the centre to form a channel 29 for drainage of the percolate, the channel
  • the flooring 26 is advantageously made from concrete.
  • the collection pit 27 is advantageously located below ground level, so as to allow collection of the percolate by gravity, without requiring any pumping device.
  • Figure 8 shows an alternative embodiment, denoted by the reference numeral 1 ', of the treatment plant illustrated in Figures 1 to 4 and up to now indicated with the reference numeral 1.
  • the plant V differs from the plant 1 described above basically in that it comprises the extraction of the air directly from each container 3 rather than from the storage area 2 as a whole.
  • the storage area is not delimited by lateral walls and/or bottom walls and/or doors as each removable container is substantially isolated from the outside environment.
  • the containers 3 have a cover 31 for conveying towards a second extraction conduit 32 the substantially polluted and evil-smelling air which is generated inside.
  • the second extraction conduit 32 is connected, by a respective manifold pipe 33, to the second pipe 20 extending from the storage area 2 for extracting air.
  • the construction of the plant 1 ' allows, by adopting the above-mentioned covers 31 and relative second conduits 32 and manifold pipe 33, the infrastructures such as lateral walls, bottom walls and doors, designed to render each storage area 2 substantially gas tight, to be eliminated.
  • Figure 9 shows an embodiment of the plant V of Figure 8, equipped with a plurality of storage areas 2 positioned side by side.
  • the absence of lateral walls delimiting the storage areas 2 makes two adjacent storage areas 2 substantially communicating.
  • the organic waste treatment plant 1 comprises the successive filling of the containers 3 and their insertion in the storage area 2.
  • an operator fills a container 3 of organic waste 4 at a predetermined rate as a function of the average production of the community which supplies its waste to the plant 1.
  • the organic waste 4 undergoes mixing and, if necessary, integration with wooden material (chippings or the like) according to known technical methods in the sector.
  • the container 3 full of waste 4 is then inserted inside a storage area 2 in such a way as to fill the areas 2 in succession.
  • each container 3 is easily moved even by a single operator by using a common pallet transporter.
  • a first conduit 8, present inside the storage area 2 must be connected to the opening 9 present in the lower area 3a of the container 3, to allow the introduction of air inside using the methods described above.
  • the operator When, with at least one container 3 positioned inside the storage area 2 and already in the treatment step, the operator must open the access door 25, for example to insert a new removable container 3, the means 22 for introducing and extracting air quickly change the air inside the storage area 2, in such a way as to avoid any risk of intoxication for the operator.
  • this function activates automatically with the opening of the access door 25.
  • the means 22 for introducing and extracting air comprise, for each storage area 2, a special fan, not illustrated, designed for the air change operation.
  • Each removable container 3 must remain inside the storage area 2 for a predetermined time, usually in the order of thirty days, so that the composting process can be completed.
  • the percolate formed inside the mass of organic waste 4 falls into the hollow space 14 through the holes 13 made in the bottom wall 2 and, from the hollow space 14, reaches the flooring 26 through the drainage opening 15.
  • the percolate is then conveyed towards the collection pit 27.
  • an operator fills a container 3' with organic waste 4, at a predetermined rate, before mixing and, if necessary, integration with wooden material (chippings or the like) according to known technical methods in the sector.
  • the container 3 full of waste 4 is then covered with a respective cover 31 and inserted inside the storage area 2 in such a way as to fill the area(s) 2 in succession.
  • a first conduit 8, present inside the storage area 2 is connected to the opening 9 present in the lower area 3a of the container 3', to allow the introduction of air inside using the methods described above.
  • the second extraction conduit 32 must be connected, by a manifold pipe 33, to the second pipe 20 for extracting air.
  • the air extracted from the storage areas 2 or directly from the removable containers 3' is directed to the filtering means 19.
  • a temperature detector is positioned inside each removable container 3.
  • the plant 1 , 1' according to this invention comprises a control unit, not illustrated, for controlling all the steps for treating the organic waste 4 inside each removable container 3, by checking the temperature of the waste 4 placed inside each container 3, adjusting the introduction of air inside each container 3 and also adjusting the extraction of air produced in the composting process.
  • control of the introduction and extraction of the air and the relative adjustment over time, together with the control of the temperature allow, using the above-mentioned control unit, the timing and the quality of the result to be optimised.
  • the removable container 3 comprises a blade 34 for moving the organic waste 4 inside it during the composting treatment, in such a way as to amalgamate the waste and facilitate the distribution of the air.
  • the blade 34 is moved by a motor unit 35, advantageously of the hydraulic or electric type.
  • the blade 34 illustrated in Figure 10 is helical in shape and is pivoted on two opposite walls of the container 3.
  • the blade 34 is made in a cantilever-style fashion.
  • the removable container 3 comprises, in a similar manner to that described with reference to Figure 10, a blade 34 for moving the organic waste 4 inside it during the composting treatment, in such a way as to amalgamate the waste and facilitate the distribution of the air.
  • the blade 34 is moved (that is, rotated about its axis X) by a motor unit, preferably of the hydraulic type, which is not visible as it is concealed from view.
  • the blade 34 illustrated in Figure 11 is helical in shape and is pivoted on two opposite walls of the container 3.
  • the blade 34 has two portions 34a, 34b shaped in the form of a spiral with opposite windings, one to the right and the other to the left, in such a way as to create a movement of the mass of waste 4 guided towards the central part of the blade 34.
  • each spiral-shaped portion 34a, 34b defines a screw conveyor.
  • the blade 34 and the motor unit 35 form, in their entirety, for the container 3, respective means 36 for turning the organic waste 4 contained therein.
  • an opening 37 for unloading the compost obtained from the waste 4 is made on a side wall 3L of the removable container 3.
  • the opening 37 can be opened and closed by means of a respective cover 38.
  • the cover 38 is slidable and actuated by a respective actuator cylinder 38a.
  • the opening 37 is made facing the above-mentioned central part of the blade 34, in such a way that the movement of the waste 4, not illustrated in Figures 11 and 12, generated by the blade 34, is such as to push the compost, with the opening 37 actually open, towards the outside of the container 3.
  • the removable container 3 also has a belt conveyor 39 connected below to the opening 37.
  • the conveyor 39 has a conveyor belt 40 looped around respective pulleys, non illustrated, of which one is motorised by means of a respective hydraulic motor 41.
  • the opening 37, the cover 38 and the conveyor belt 39 define as a whole, for the container 3, means 47 for unloading the compost towards the outside of the container 3.
  • the removable container 3 is equipped with, mounted on its front wall, a control unit 42 for the measurement, processing and transmission of operational parameters of the composting process inside the container 3.
  • the control unit 42 processes values acquired by means of sensors, illustrated, designed to measure inside the container 3 parameters such as, for example, temperature, oxygen concentration etc..
  • the container 3 is advantageously associated with a carriage 43.
  • the carriage 43 is positioned beneath the actual container 3 and supports the latter, facilitating the movement.
  • the carriage 43 has a metal frame 44, two wheels 45 advantageously fitted with tyres and coupling means 46 for pulling by a vehicle not illustrated.
  • the container 3 of Figures 11 and 12 can also be moved and manoeuvred by hand or with the use of a simple tractor.
  • the invention described above achieves the preset aims, providing a plant with simplified control and requiring minimum intervention, even by a single operator.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne une installation de traitement de déchets organiques afin de produire du compost, laquelle comprend une zone (2) pour stocker des déchets organiques (4), un moyen pour introduire et extraire de l'air dans la zone de stockage (2), plusieurs conteneurs amovibles (3) pour accumuler les déchets organiques (4), lesquels conteneurs (3) peuvent être manœuvrés individuellement afin d'être remplis de déchets organiques (4) et insérés les uns après les autres dans la zone de stockage (2).
PCT/IB2014/063745 2013-08-07 2014-08-06 Installation et procédé de traitement de déchets organiques WO2015019305A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2013A000453 2013-08-07
IT000453A ITBO20130453A1 (it) 2013-08-07 2013-08-07 Impianto e metodo di trattamento di rifiuti organici.

Publications (1)

Publication Number Publication Date
WO2015019305A1 true WO2015019305A1 (fr) 2015-02-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/063745 WO2015019305A1 (fr) 2013-08-07 2014-08-06 Installation et procédé de traitement de déchets organiques

Country Status (2)

Country Link
IT (1) ITBO20130453A1 (fr)
WO (1) WO2015019305A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105867340A (zh) * 2016-05-30 2016-08-17 江苏沃绿宝有机农业开发有限公司 一种基于智能控制的新型复合基质流水生产线

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153282A2 (fr) * 1984-01-04 1985-08-28 Purac Ab Procédé de production d'un mélange compostable de boue d'installations de purification d'eaux résiduaires et appareil d'utilisation de ce mélange
WO1997025296A1 (fr) * 1996-01-11 1997-07-17 The Gaia Institute, Inc. Systeme de compostage de dechets organiques
DE19702712A1 (de) * 1997-01-25 1998-07-30 Goehner Gilbert Dipl Ing Fh Abwasser-Kläreinrichtung
EP0962433A1 (fr) * 1998-04-22 1999-12-08 Myung-Sup Rhee Procédé et appareil pour la preparation d'engrais ou d'aliments pâteux pour animaux à partir des déchets comestibles par une fermentation naturel et sechage a basse temperature
WO2000026337A1 (fr) * 1998-11-02 2000-05-11 Mcnelly James J Procede et appareil pour le compostage et la biorestauration controles
WO2005115646A1 (fr) * 2004-05-28 2005-12-08 W.L. Gore & Associates Gmbh Station de traitement des dechets
FR2888232A1 (fr) * 2005-07-08 2007-01-12 Vinci Environnement Soc Par Ac Installation pour le compostage areobie
WO2009133982A1 (fr) * 2008-05-02 2009-11-05 Hyung Jong Kim Décomposeur de déchets organiques
US20130099034A1 (en) * 2011-10-24 2013-04-25 Chun Il Koh Food Waste Disposal System

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0153282A2 (fr) * 1984-01-04 1985-08-28 Purac Ab Procédé de production d'un mélange compostable de boue d'installations de purification d'eaux résiduaires et appareil d'utilisation de ce mélange
WO1997025296A1 (fr) * 1996-01-11 1997-07-17 The Gaia Institute, Inc. Systeme de compostage de dechets organiques
DE19702712A1 (de) * 1997-01-25 1998-07-30 Goehner Gilbert Dipl Ing Fh Abwasser-Kläreinrichtung
EP0962433A1 (fr) * 1998-04-22 1999-12-08 Myung-Sup Rhee Procédé et appareil pour la preparation d'engrais ou d'aliments pâteux pour animaux à partir des déchets comestibles par une fermentation naturel et sechage a basse temperature
WO2000026337A1 (fr) * 1998-11-02 2000-05-11 Mcnelly James J Procede et appareil pour le compostage et la biorestauration controles
WO2005115646A1 (fr) * 2004-05-28 2005-12-08 W.L. Gore & Associates Gmbh Station de traitement des dechets
FR2888232A1 (fr) * 2005-07-08 2007-01-12 Vinci Environnement Soc Par Ac Installation pour le compostage areobie
WO2009133982A1 (fr) * 2008-05-02 2009-11-05 Hyung Jong Kim Décomposeur de déchets organiques
US20130099034A1 (en) * 2011-10-24 2013-04-25 Chun Il Koh Food Waste Disposal System

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105867340A (zh) * 2016-05-30 2016-08-17 江苏沃绿宝有机农业开发有限公司 一种基于智能控制的新型复合基质流水生产线

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