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| | There are different types of small scale biogas digesters. <u>Some of the biogas digesters are summarized below:</u> | | There are different types of small scale biogas digesters. <u>Some of the biogas digesters are summarized below:</u> |
| − | *[[Fixed-dome_Biogas_Plants|Fixed-dome Plants]] | + | |
| | + | *[[Fixed-dome Biogas Plants|Fixed-dome Plants]] |
| | *[[Floating_Drum_Biogas_Plants|Floating-drum Plants]] | | *[[Floating_Drum_Biogas_Plants|Floating-drum Plants]] |
| − | *[[Low-Cost_Polyethylen_Tube_Digester|Low-Cost Polyethylen Tube Digester]] | + | *'''Low-Cost Polyethylen Tube Digester''' |
| − | *[[Fixed-dome Biogas Plants#Balloon Plants|Balloon Plants]] | + | *[[Balloon Digester for Biogas Plants|Balloon Plants]] |
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| | <br/>The table below gives a first comparision of the different types.<br/> | | <br/>The table below gives a first comparision of the different types.<br/> |
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| − | = Low-Cost Polyethylen Tube Digester<br/> =
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| − | In the case of the Low-Cost Polyethylene Tube Digester model which is applied in [[Low-Cost Polyethylene Tube Digesters in Bolivia|Bolivia]] (Peru, Ecuador, Colombia, Centro America and Mexico), the tubular polyethylene film (two coats of 300 microns) is bendedat each end around a 6 inch PVC drainpipe and is wound with rubber strap of recycled tire-tubes. With this system a hermetic isolated tank is obtained (figure td1 ).
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| − | {| cellspacing="1" cellpadding="1" border="0" align="center" style="width: 500px" class="FCK__ShowTableBorders" | + | |
| | + | = Low-Cost Polyethylene Tube Digester<br/> = |
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| | + | In the case of the Low-Cost Polyethylene Tube Digester model which is applied in [[Low-Cost Polyethylene Tube Digesters in Bolivia|Bolivia]] (Peru, Ecuador, Colombia, Centro America and Mexico), the tubular polyethylene film (two coats of 300 microns) is bended at each end around a 6 inch PVC drainpipe and is wound with rubber strap of recycled tire-tubes. With this system a hermetic isolated tank is obtained (figure td1 ). |
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| | | style="width: 384px" | [[File:In Outlet winding Tube Digester.jpg|thumb|left|300px|Picture td2: Winding In-/Outlet Tube Digester]] | | | style="width: 384px" | [[File:In Outlet winding Tube Digester.jpg|thumb|left|300px|Picture td2: Winding In-/Outlet Tube Digester]] |
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| | |} | | |} |
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| − | <br/>[[Fixed-dome_Biogas_Plants#toc|►Go to Top]]<br/> | + | <br/>[[Fixed-dome Biogas Plants#toc|►Go to Top]]<br/> |
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| | == Gasholder and Gas Storage Reservoir<br/> == | | == Gasholder and Gas Storage Reservoir<br/> == |
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| | The capacity of the gasholder corresponds to 1/4 of the total capacity of the reaction tube (figure td1). To overcome the problem of low gas flow rates, two 200 microns tubular polyethylene reservoirs are installed close to the kitchen, which gives a 1,3 m³ additional gas storage (picture td4).<br/> | | The capacity of the gasholder corresponds to 1/4 of the total capacity of the reaction tube (figure td1). To overcome the problem of low gas flow rates, two 200 microns tubular polyethylene reservoirs are installed close to the kitchen, which gives a 1,3 m³ additional gas storage (picture td4).<br/> |
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| | {| cellspacing="1" cellpadding="1" border="0" style="width: 100%" | | {| cellspacing="1" cellpadding="1" border="0" style="width: 100%" |
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| − | | [[File:Gas Storage Reservoir double inside.jpg|thumb|330px|right|Picture td4: Gas Storage Reservoir]] | + | | [[File:Gas Storage Reservoir double inside.jpg|thumb|right|330px|Picture td4: Gas Storage Reservoir]] |
| − | | [[File:Biodigestor familiar bolivia altiplano.jpg|thumb|184px|left| Picture td3: Tube Digester Altiplan of Bolivia]] | + | | [[File:Biodigestor familiar bolivia altiplano.jpg|thumb|left|184px|Picture td3: Tube Digester Altiplan of Bolivia]] |
| | |} | | |} |
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| | <br/> | | <br/> |
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| − | To contrast these simple biogas plants, figure 2 gives an impression about dimensions of industrial plants which are, for example, built in Europe. | + | To contrast these simple biogas plants, figure 2 gives an impression about dimensions of industrial plants which are, for example, built in Europe. |
| | + | [[File:Indplant.gif|thumb|left|300px|Fig. 2: Industrial plant with utilization of domestic organic wastes]]<div style="clear: both"></div> |
| | + | [[Fixed-dome Biogas Plants#toc|►Go to Top]]<br/> |
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| − | [[File:Indplant.gif|thumb|left|300px|Fig. 2: Industrial plant with utilization of domestic organic wastes]] <div style="clear: both"></div>
| + | <br/> |
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| − | [[Fixed-dome_Biogas_Plants#toc|►Go to Top]]<br/>
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| | = Installation Manual for Low Cost Polyethylene Biogas Digester = | | = Installation Manual for Low Cost Polyethylene Biogas Digester = |
| − | [[File:Low cost polyethylene tube installation.pdf| border]] | + | |
| | + | [[File:Low cost polyethylene tube installation.pdf|border|180pxpx|Low cost polyethylene tube installation.pdf]] |
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| | == Experience with Polythylene Biogas Digester (PBD) == | | == Experience with Polythylene Biogas Digester (PBD) == |
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| | To read about the experiences of deploying Polyethylene biogas digester, please see the article on | | To read about the experiences of deploying Polyethylene biogas digester, please see the article on |
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| | *[[Experience with Polyethylene Biogas Digester (PBD)|Experience with Polyethylene Biogas Digester (PBD) from some countries]] | | *[[Experience with Polyethylene Biogas Digester (PBD)|Experience with Polyethylene Biogas Digester (PBD) from some countries]] |
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| | + | <br/> |
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| | == Variation Tyre Tube Household Digester<br/> == | | == Variation Tyre Tube Household Digester<br/> == |
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| | *[[TyreTube Biogas Plant|Biogas Plant Variation tyre tube household digester]] | | *[[TyreTube Biogas Plant|Biogas Plant Variation tyre tube household digester]] |
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| − | [[Fixed-dome_Biogas_Plants#toc|►Go to Top]]<br/> | + | [[Fixed-dome Biogas Plants#toc|►Go to Top]]<br/> |
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| | + | = Further Information = |
| | + | *[[Portal:Biogas|Biogas portal on energypedia]] |
| | + | *[[Experience with Polyethylene Biogas Digester (PBD)|Experience with Polyethylene Biogas Digester (PBD)]] |
| | + | *[[:File:Low Cost Polyethylene Tube Digester Rwanda.pdf| Low cost polyethylene tube digester in Rwanda]] |
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| | + | = References = |
| | + | This article is a continuation of the article, '''[[Types of Biogas Digesters and Plants|Types of Biogas Digesters and Plants]]'''. For questions regarding the article, please contact the authors of the article, '''[[Types of Biogas Digesters and Plants|Types of Biogas Digesters and Plants]].''' |
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| | + | <br/><references /> |
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| | + | [[Category:Biogas]] |
There are different types of small scale biogas digesters. Some of the biogas digesters are summarized below:
In the case of the Low-Cost Polyethylene Tube Digester model which is applied in Bolivia (Peru, Ecuador, Colombia, Centro America and Mexico), the tubular polyethylene film (two coats of 300 microns) is bended at each end around a 6 inch PVC drainpipe and is wound with rubber strap of recycled tire-tubes. With this system a hermetic isolated tank is obtained (figure td1 ).
The capacity of the gasholder corresponds to 1/4 of the total capacity of the reaction tube (figure td1). To overcome the problem of low gas flow rates, two 200 microns tubular polyethylene reservoirs are installed close to the kitchen, which gives a 1,3 m³ additional gas storage (picture td4).
To contrast these simple biogas plants, figure 2 gives an impression about dimensions of industrial plants which are, for example, built in Europe.
To read about the experiences of deploying Polyethylene biogas digester, please see the article on
