CA2306658C - Improved aeration system for composting organic matter - Google Patents
Improved aeration system for composting organic matter Download PDFInfo
- Publication number
- CA2306658C CA2306658C CA002306658A CA2306658A CA2306658C CA 2306658 C CA2306658 C CA 2306658C CA 002306658 A CA002306658 A CA 002306658A CA 2306658 A CA2306658 A CA 2306658A CA 2306658 C CA2306658 C CA 2306658C
- Authority
- CA
- Canada
- Prior art keywords
- channel
- channels
- floor
- cover
- pipes
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
- C05F17/971—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
- C05F17/986—Constructional 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
- C05F17/971—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
- C05F17/979—Constructional 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
-
- 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
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- 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)
- Biological Treatment Of Waste Water (AREA)
- Fertilizers (AREA)
Abstract
In the biological treatment of organic matter for the purpose of producing compost, soil amendments or bio-fuel it is known that in order to ensure aerobic conditions during the entire treatment process air has to be channeled through the organics to provide for a sufficient oxygen level and to remove excess heat. It is also known that during the bio-chemical breakdown of the cell-structure of the organics moisture is released, which has to be removed to prevent parts of the organics turning into an un-aerobic process stage. The present invention provides a means to aerate organic matter and to collect and remove liquid from organic matter via a specifically designed channel. The channel contains a pipe comprising multiple orifices for air distribution or removal. The top of the channel is closed with a removable perforated cover. One or more than one channel combined to a series form an aeration system. The channels of an aeration system are integrated into the floor of a bin-type reactor and connected via pipes to a manifold outside the reactor for air distribution or removal. These pipes are also connected to the liquid collection and removal system comprised of a pipe outside the reactor, which directs collected liquid to storage or treatment tanks. Airflow in the channels, pipes and manifold is maintained by an air distribution system comprised of an exhauster/blower and regulated by means of dampers or valves. All process air is exhausted via a biologically active filter material in a bio-filter bed for odor control purposes. All liquid is collected and processed.
Description
Application No.2,306,658, Original Filing date 2000/05/01 Improved Aeration System for Composting Organic Matter Specifications The present invention provides spaces. This leads to material a build up specifically shaped aeration and in the pipes and false or double liquid floor removal channel to assist in the systems and disturbs or prevents process air of rendering harmless hazardous and liquid flow. In addition, the normally organic matter or composting non-warm and moist environment supports hazardous organic matter. rapid fungus growth, which decreases air and liquid flow even further if not It is common in bio-remediation removed on a regular basis.
and composting processes to aerate organic matter via pressurized aeration To clean out the above described pipes or false or double floor systems means for aerating organic matter with openings, wholes or slots to allowrequires disassembling and for the necessary airflow through reassembling of the aeration the pipes and organic matter. Also known are false or double floor systems.
wall This is based aeration systems and aerationtime consuming and, therefore, lances, which are introduced intoinefficient and unsatisfactory.
the organic matter in pre-designed pattern.
Aeration pipes have to be buried and In common applications aeration covered to allow transport and pipes process have a single function. This functionmachinery to move unhindered is in the to ensure sufficient airflow througharea during placement and removal the of organic matter normally stored the organic matter.
above the aeration pipes.
Disassembling and reassembling piping False or double floor systems systems requires the removal are and the commonly used in containerized replacement with new cover material.
processing equipment for organic New cover material is necessary due to matter. Their function is normallyhigh contamination with organic matter twofold, to ensure sufficient entering into the cover material airtlow during through the organic matter and delivery and removal of organic to collect matter excess liquid from the biologicalin the day to day operation.
process.
False floor or double floor systems Aeration pipes and false or doublerequire a sufficient distance floor between the systems to aerate organic matter two floor layers. The lower level have floor some inefficiencies. The necessaryalso has to be sloped to allow for the openings, wholes or slots to permitremoval of liquids. This increases air the flow and liquid collection allow necessary size of the processing also organic matter entering these equipment for the organic matter.
confined All these requirements are costlyA perforated cover closes the and, top of the therefore, decrease the process invented channel. The openings in the efficiency. cover, necessary to allow for the free flow of air and liquid from and into the The disadvantages described abovechannel, are staggered and located in may be overcome by the invention such a way that they do not line up with presented in this application. the orifices in the aeration pipe below the cover. This prevents parts of organic The channel or channels are insertedmatter placed above the channel into the floors or walls of compostingentering the channel via the cover and bin-type reactors, composting clogging the orifices in the field pads aeration pipe.
or composting buildings, in which organic matter is processed, as For cleaning purposes the cover means and of an aeration system and the pipe can be removed and replaced means of collecting and removing liquid easily either as separate parts from the or as a floor of the reactor, pad or building.combined part.
The channel forms allow for the insertion of an aeration pipe or aeration pipes using the bottom and/or the sidewalls as support structure. The aeration pipe or pipes have multiple staggered orifices for air distribution or removal. To ensure the free flow of liquid along the sidewalls towards the bottom of the channel the pipe has support spacers to provide for a separation distance between the outside surface of the pipe and the sidewalls and the bottom of the channel.
The preferred design for a channel is a V-shaped or W-shaped form. The V-shaped or W-shaped channel form allows for a complete drainage of the channel even if the floor has no or a very slight slope. The removal of liquid containing high levels of soluble organics and fine organic solids is important to prevent the generation of noxious and harmful gases.
Summary of the Drawings Detailed Description of the Drawings frgure 5 contain a pipe 5 comprising Figurie 1 is a cross section of multiple orifices 7 for air distribution the or channel described in claim 1 and removal. Support spacers 6 separate
and composting processes to aerate organic matter via pressurized aeration To clean out the above described pipes or false or double floor systems means for aerating organic matter with openings, wholes or slots to allowrequires disassembling and for the necessary airflow through reassembling of the aeration the pipes and organic matter. Also known are false or double floor systems.
wall This is based aeration systems and aerationtime consuming and, therefore, lances, which are introduced intoinefficient and unsatisfactory.
the organic matter in pre-designed pattern.
Aeration pipes have to be buried and In common applications aeration covered to allow transport and pipes process have a single function. This functionmachinery to move unhindered is in the to ensure sufficient airflow througharea during placement and removal the of organic matter normally stored the organic matter.
above the aeration pipes.
Disassembling and reassembling piping False or double floor systems systems requires the removal are and the commonly used in containerized replacement with new cover material.
processing equipment for organic New cover material is necessary due to matter. Their function is normallyhigh contamination with organic matter twofold, to ensure sufficient entering into the cover material airtlow during through the organic matter and delivery and removal of organic to collect matter excess liquid from the biologicalin the day to day operation.
process.
False floor or double floor systems Aeration pipes and false or doublerequire a sufficient distance floor between the systems to aerate organic matter two floor layers. The lower level have floor some inefficiencies. The necessaryalso has to be sloped to allow for the openings, wholes or slots to permitremoval of liquids. This increases air the flow and liquid collection allow necessary size of the processing also organic matter entering these equipment for the organic matter.
confined All these requirements are costlyA perforated cover closes the and, top of the therefore, decrease the process invented channel. The openings in the efficiency. cover, necessary to allow for the free flow of air and liquid from and into the The disadvantages described abovechannel, are staggered and located in may be overcome by the invention such a way that they do not line up with presented in this application. the orifices in the aeration pipe below the cover. This prevents parts of organic The channel or channels are insertedmatter placed above the channel into the floors or walls of compostingentering the channel via the cover and bin-type reactors, composting clogging the orifices in the field pads aeration pipe.
or composting buildings, in which organic matter is processed, as For cleaning purposes the cover means and of an aeration system and the pipe can be removed and replaced means of collecting and removing liquid easily either as separate parts from the or as a floor of the reactor, pad or building.combined part.
The channel forms allow for the insertion of an aeration pipe or aeration pipes using the bottom and/or the sidewalls as support structure. The aeration pipe or pipes have multiple staggered orifices for air distribution or removal. To ensure the free flow of liquid along the sidewalls towards the bottom of the channel the pipe has support spacers to provide for a separation distance between the outside surface of the pipe and the sidewalls and the bottom of the channel.
The preferred design for a channel is a V-shaped or W-shaped form. The V-shaped or W-shaped channel form allows for a complete drainage of the channel even if the floor has no or a very slight slope. The removal of liquid containing high levels of soluble organics and fine organic solids is important to prevent the generation of noxious and harmful gases.
Summary of the Drawings Detailed Description of the Drawings frgure 5 contain a pipe 5 comprising Figurie 1 is a cross section of multiple orifices 7 for air distribution the or channel described in claim 1 and removal. Support spacers 6 separate
2.
Figure 2 is a cross section of the outside wall of the pipe the from the V
channel described in claim 3. and W-shaped channel walls to allow Figure 3 is a cross section of free liquid flow along the sidewalk.
the channel described in claim 5.
Figure 4 is a cross section of The V-shaped channel 1 illustrated the in channel described in claim 4. figure 2 and figure 3, and the W-shaped Figure 5 is a cross section of channel 1 illustrated in figure the 4 and channel described in claim 6. frgure 5 having on both top ends of the sidewalls recesses 2 to accommodate a cover 4 of the channel. The cover is The channel 1 illustrated in figureperforated with openings 8 to 1 allow air contains a pipe 5 comprising multipleand liquid leaving or entering the orifices 7 for air distribution channel.
or removal.
Support spacers 6 separate the outside wall of the pipe from the channelThe V- shaped channel illustrated walls in as well as the bottom to allow frgure 3 and the W-shaped channel free liquid 1 flow along all sides of the channel.illustrated in figure 5 having a small horizontal bottom 3 in the vertex or The channel having on both top vertexes to allow liquids to ends of drain out the sidewalls recesses 2 to better.
accommodate a cover 4 of the channel.
The cover is perforated with openingsThe V-shaped channel 1 illustrated 8 in to allow air and liquid leaving figure 2 and figure 3, and the or entering W-shaped the channel. channel 1 illustrated in figure 4 and figure 5 having a dual-function The channel having a connection connection 9 to an air distribution 9 to or an air distribution or removal removal system and a liquid collection system and a liquid collection and removaland removal system.
system.
The W-shaped channel 1 illustrated in The V-shaped channel 1 illustratedfigure 4 and figure 5 having in an figure 2 and figure 3, and the additional support 10 for the W-shaped pipe 5 via channel 1 illustrated in figure the spacer 6 in the center of 4 and the channel.
Figure 2 is a cross section of the outside wall of the pipe the from the V
channel described in claim 3. and W-shaped channel walls to allow Figure 3 is a cross section of free liquid flow along the sidewalk.
the channel described in claim 5.
Figure 4 is a cross section of The V-shaped channel 1 illustrated the in channel described in claim 4. figure 2 and figure 3, and the W-shaped Figure 5 is a cross section of channel 1 illustrated in figure the 4 and channel described in claim 6. frgure 5 having on both top ends of the sidewalls recesses 2 to accommodate a cover 4 of the channel. The cover is The channel 1 illustrated in figureperforated with openings 8 to 1 allow air contains a pipe 5 comprising multipleand liquid leaving or entering the orifices 7 for air distribution channel.
or removal.
Support spacers 6 separate the outside wall of the pipe from the channelThe V- shaped channel illustrated walls in as well as the bottom to allow frgure 3 and the W-shaped channel free liquid 1 flow along all sides of the channel.illustrated in figure 5 having a small horizontal bottom 3 in the vertex or The channel having on both top vertexes to allow liquids to ends of drain out the sidewalls recesses 2 to better.
accommodate a cover 4 of the channel.
The cover is perforated with openingsThe V-shaped channel 1 illustrated 8 in to allow air and liquid leaving figure 2 and figure 3, and the or entering W-shaped the channel. channel 1 illustrated in figure 4 and figure 5 having a dual-function The channel having a connection connection 9 to an air distribution 9 to or an air distribution or removal removal system and a liquid collection system and a liquid collection and removaland removal system.
system.
The W-shaped channel 1 illustrated in The V-shaped channel 1 illustratedfigure 4 and figure 5 having in an figure 2 and figure 3, and the additional support 10 for the W-shaped pipe 5 via channel 1 illustrated in figure the spacer 6 in the center of 4 and the channel.
Claims
Claims Claimed is:
1. A channel or channels with dual 8. The channel or channels of claim 1, function to firstly aerate organic 3, 4, 5, or claim 6, containing a pipe matter during the active stage of a or pipes as described in claim 1, composting process and secondly which is/are supported by the bottom remove liquid generated during the and/or the side walls of the channel process, the channel or channels are and has/have support spacers to inserted into a composting device to provide for a separation distance aerate organic matter, said channel between the outside surface of the or channels being closed on top with pipe or pipes and the sidewalls and a removable, perforated cover, and the bottom of the channel or an aeration pipe or pipes having channels to allow free liquid flow multiple staggered orifices, which along the sidewalls and the bottom is/are inserted into the channel. of the channel or channels.
2. The channel or channels of claim 1, 9. The channel or channels of claim 1, having on both top ends of the 3, 4, 5, or claim 6, with the pipe or sidewalls of the channel or channels pipes of claim 1 and spacers of recesses to accommodate a claim 8 being a supporting structure perforated cover of the channel. for the removable perforated channel cover of claim 1.
3. The channel or channels of claim 1 or 2, having V-shaped side walls. 10. The channel or channels of claim 1, 3, 4, 5, or claim 6, being constructed 4. The channel or channels of claim 1 out of concrete.
or 2, having W-shaped side walls.
11. The channel or channels of claim 1, 5. The channel or channels of claim 3, 3, 4, 5, or claim 6, being constructed with a small horizontal bottom in the out of metal.
vertex of the V-shaped channel.
12. The channel or channels of claim 1, 6. The channel or channels of claim 4, 3, 4, 5, or claim 6, being constructed with small horizontal bottoms in the out of plastic.
vertexes of the W-shaped channel.
13. The channel or channels of claim 1, 7. The channel or channels of claim 1, 3, 4, 5, or claim 6, being constructed 3, 4, 5, or claim 6, having on at least out of wood.
one point of the channel a connection to an air distribution or removal system and a liquid collection and removal system.
14. The channel or channels of 22. The channel or channels of claim 1, 3, 4, 5, or claim 6, being constructed 3, 4, 5, or claim 6, integrated in out of material composites or series of two or more into the floor of material combinations of concrete a composting bin-type reactor as and/or metal and/or plastic and/or means of an aeration system wood. operating with negative air pressure and the means of collecting and 15. The channel or channels cover of removing liquid from the floor of the claim 1. being constructed out of reactor.
concrete.
23. The channel or channels of claim 1, 16. The channel or channels cover of 3, 4, 5, or claim 6, integrated in claim 1, being constructed out of series of two or more into the floor of metal. a bio-filter bed as means of an aeration system operating with 17. The channel or channels cover of positive air pressure and the means claim 1, being constructed out of of collecting and removing liquid plastic. from the floor of the bio-filter bed.
18. The channel or channels cover of 24. The channel or channels of claim 1, claim 1, being constructed out of 3, 4, 5, or claim 6, integrated in wood. series of two or more into the floor of a bio-filter bed as means of an 19. The channel or channels cover of aeration system operating with claim 1, being constructed out of negative air pressure and the means material composites or material of collecting and removing liquid combinations of concrete and/or from the floor of the bio-filter bed.
metal and/or plastic and/or wood.
20. The channel or channels cover of claim 1, and 15, 16, 17, 18, 19, and the pipe or pipes of claim 1 being combined and manufactured as one integral part.
21. The channel or channels of claim 1.
3, 4, 5, or claim 6, integrated in series of two or more into the floor of a composting bin-type reactor as means of an aeration system operating with positive air pressure and the means of collecting and removing liquid from the floor of the reactor.
1. A channel or channels with dual 8. The channel or channels of claim 1, function to firstly aerate organic 3, 4, 5, or claim 6, containing a pipe matter during the active stage of a or pipes as described in claim 1, composting process and secondly which is/are supported by the bottom remove liquid generated during the and/or the side walls of the channel process, the channel or channels are and has/have support spacers to inserted into a composting device to provide for a separation distance aerate organic matter, said channel between the outside surface of the or channels being closed on top with pipe or pipes and the sidewalls and a removable, perforated cover, and the bottom of the channel or an aeration pipe or pipes having channels to allow free liquid flow multiple staggered orifices, which along the sidewalls and the bottom is/are inserted into the channel. of the channel or channels.
2. The channel or channels of claim 1, 9. The channel or channels of claim 1, having on both top ends of the 3, 4, 5, or claim 6, with the pipe or sidewalls of the channel or channels pipes of claim 1 and spacers of recesses to accommodate a claim 8 being a supporting structure perforated cover of the channel. for the removable perforated channel cover of claim 1.
3. The channel or channels of claim 1 or 2, having V-shaped side walls. 10. The channel or channels of claim 1, 3, 4, 5, or claim 6, being constructed 4. The channel or channels of claim 1 out of concrete.
or 2, having W-shaped side walls.
11. The channel or channels of claim 1, 5. The channel or channels of claim 3, 3, 4, 5, or claim 6, being constructed with a small horizontal bottom in the out of metal.
vertex of the V-shaped channel.
12. The channel or channels of claim 1, 6. The channel or channels of claim 4, 3, 4, 5, or claim 6, being constructed with small horizontal bottoms in the out of plastic.
vertexes of the W-shaped channel.
13. The channel or channels of claim 1, 7. The channel or channels of claim 1, 3, 4, 5, or claim 6, being constructed 3, 4, 5, or claim 6, having on at least out of wood.
one point of the channel a connection to an air distribution or removal system and a liquid collection and removal system.
14. The channel or channels of 22. The channel or channels of claim 1, 3, 4, 5, or claim 6, being constructed 3, 4, 5, or claim 6, integrated in out of material composites or series of two or more into the floor of material combinations of concrete a composting bin-type reactor as and/or metal and/or plastic and/or means of an aeration system wood. operating with negative air pressure and the means of collecting and 15. The channel or channels cover of removing liquid from the floor of the claim 1. being constructed out of reactor.
concrete.
23. The channel or channels of claim 1, 16. The channel or channels cover of 3, 4, 5, or claim 6, integrated in claim 1, being constructed out of series of two or more into the floor of metal. a bio-filter bed as means of an aeration system operating with 17. The channel or channels cover of positive air pressure and the means claim 1, being constructed out of of collecting and removing liquid plastic. from the floor of the bio-filter bed.
18. The channel or channels cover of 24. The channel or channels of claim 1, claim 1, being constructed out of 3, 4, 5, or claim 6, integrated in wood. series of two or more into the floor of a bio-filter bed as means of an 19. The channel or channels cover of aeration system operating with claim 1, being constructed out of negative air pressure and the means material composites or material of collecting and removing liquid combinations of concrete and/or from the floor of the bio-filter bed.
metal and/or plastic and/or wood.
20. The channel or channels cover of claim 1, and 15, 16, 17, 18, 19, and the pipe or pipes of claim 1 being combined and manufactured as one integral part.
21. The channel or channels of claim 1.
3, 4, 5, or claim 6, integrated in series of two or more into the floor of a composting bin-type reactor as means of an aeration system operating with positive air pressure and the means of collecting and removing liquid from the floor of the reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002306658A CA2306658C (en) | 2000-05-01 | 2000-05-01 | Improved aeration system for composting organic matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002306658A CA2306658C (en) | 2000-05-01 | 2000-05-01 | Improved aeration system for composting organic matter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2306658A1 CA2306658A1 (en) | 2001-11-01 |
| CA2306658C true CA2306658C (en) | 2004-09-07 |
Family
ID=4165999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002306658A Expired - Fee Related CA2306658C (en) | 2000-05-01 | 2000-05-01 | Improved aeration system for composting organic matter |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2306658C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145583A (en) * | 2016-05-12 | 2016-11-23 | 武汉乡愁庭院农业科技有限公司 | Mud rapid fermentation composting or system soil pipe-line system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2852006A1 (en) * | 2003-03-07 | 2004-09-10 | Id O Concept | Device for treatment of organic waste, useful for preparing fertilizer or soil improver, comprises prefabricated bars, each having a surface channel connected to source of compressed air |
| NL2014839B1 (en) * | 2015-05-21 | 2017-01-31 | Upcycling Gemert B V | Device for treating a biological waste material with air. |
| NL2029597B1 (en) | 2021-11-02 | 2023-06-01 | Valoriworld B V | Dynamic active loading and aeration floor for composting organic material in a closed mobile or stationary reactor. |
-
2000
- 2000-05-01 CA CA002306658A patent/CA2306658C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145583A (en) * | 2016-05-12 | 2016-11-23 | 武汉乡愁庭院农业科技有限公司 | Mud rapid fermentation composting or system soil pipe-line system |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2306658A1 (en) | 2001-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20140501 |