Integrated rural energy and waste management system through biogas technology

In Bangladesh only 3% of the people enjoy the facility of natural gas coming to their homes through pipe lines. The lucky few mostly live in the cities. Most of the Bangladesh’s rural people depend on biomass, crop residues, plant debris, animal dung and wood for fuel creating deforestation, flood, soil erosion etc.Women and children, on whom the burden of collecting fuel falls, suffer the most. They are the worst victims of indoor air pollution such as smokes in the kitchens.
GS believes that biogas technology is one of the best means to provide natural gas to the largest number of rural people. It can provide them with pollution free, efficient energy for cooking and at the same time protect them from diseases by giving them a cleaner environment. Biogas technology can be used to implement a sustainable waste management program suitable for rural areas, as wastes of all sorts are transformed into biogas or slurry.
GS has been successful in promoting and constructing both domestic and larger sizes biogas plants to rural villagers. Impact on biogas plant owners has been positive and demand is increasing day by day. All its clients are enjoying hassle free and pollution free energy for cooking and business activities. Bangladesh has the potential for developing 4 million biogas plants. GS intends to further scale up its successful pilot project and develop a 5 year action plan for expanding biogas program in Bangladesh.
GS has developed an integrated and sustainable model for expanding biogas program. The program is based on market approach. GS plays the role of a facilitator, not of a provider. GS does not provide any subsidies, but arranges for soft loans. GS depends on the goodwill of the community for its success. Key features of the program are:
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A financial mechanism based on credit, which makes biogas plants affordable to the villagers
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Plants designed and constructed after one to one consultation with clients
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Free after sales service including monthly visits by GS engineers for two to three years
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Option for signing annual maintenance agreement for a small fee during post warranty period
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Training of GS staff, local masons and users
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Community based approach to share the cost and benefit of biogas plants
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Linkage of biogas technology to emerging poultry, livestock and agriculture business
Biogas Plants : Offering Fuel, Health and Income Solutions
Biogas plants giving the rural people especially their women the opportunity to cook in a pollution free environment – smokeless kitchens. It has also reduced their cooking time, rescued them from the burden of collecting fuel. (Case 1 : Ruksana Parveen using biogas for cooking)
Increasing price of kerosene, diesel and other conventional energy sources has made biogas technology an attractive alternative for many rural households. Many rural households are buying biogas at Tk 500- Tk. 300 per month and finding this alternative more cost effective than traditional sources. Therefore owners of domestic size biogas plants are not only using biogas themselves, they are also selling this gas to their neighbours. They are also using the slurry to increase their agricultural yields. (Case 2 : Haji Fazal Ali making extra income from renting biogas to others). Small businesses such as tea-stalls and small street side hotels are also renting biogas from others to meet their energy needs.
Biogas technology has become very popular among poultry owners. They are constructing medium to large sized plants to get rid of their poultry wastes and at the same time earn extra income through selling of biogas and slurry. (Case 3: Khaled Hossein using biogas to produce energy and generate income).
Orphanages and some industries have become interested in biogas technology to meet their energy needs and generate income. For example, Muslim Mission has constructed biogas plants on its premise and has signed agreement with GS to manufacture and promote organic fertilizers. Akber Ali, a mid scale business from Jessore manufactures bitumen as well as operating a steel work. His large factory is co-fueled by a biogas plant. Though he has a poultry farm, he buys poultry droppings and cow dung from surrounding farmers. Grameen Dnaone plans to set up biogas plants to power its rural based industry.
Financing Biogas Plants
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The buyer pays 25% of the total cost as down payment. The remaining 75% of the cost is to be repaid through 24 monthly installments with 8% service charge (flat rate) within 2 years.
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The buyer can construct his plant with his own funds under the supervision of GS engineers. In this case, half of the technical and supervision fees will be paid as advance and the rest will be paid after the commissioning of the plant.
Community Biogas Plants
Bangladesh is one of the most densely populated countries of the world. Most people especially in the rural areas live either as joint families or as groups where each household joins another household, usually relatives living very near each other. GS has already identified the rural households which have the potentiality of setting up biogas plants. Joint families and relatives living near each other can share the cost and benefit of owning and operating a biogas plant. GS is also seeking to bring low income groups under its biogas program by linking them with micro-credit as well as providing them with alternative ways to pay back. For example, a farmer may be provided with livestock so he may set up a biogas plant and at the same time generate income.
Linking biogas technology with poultry and organic fertilizer business
GS is linking up biogas technology with live stock and poultry business including agriculture and fisheries to develop a sustainable biogas program. Poultry firms are interested in biogas technology because it helps them to get rid of poultry wastes and at the same time meet their energy needs as well as earn extra income by selling biogas and slurry. Same is true for livestock owners. Farmers would be interested in buying slurry from biogas plant owners because this reduces their farming costs and increases their yield. Many enterprises who do not have poultry or livestock are also interested in biogas plants. Others own too few poultry or live stock to construct biogas plants which would meet their energy needs. These people can buy poultry litter or cow dung from poultry and live stock owners for their biogas plants. Therefore an intermediary entrepreneur class would develop who will sell poultry litter, cow dung and slurry linking biogas technology with agriculture and live stock business.



undertaken a program to develop organic
fertilizers from slurry and market these as a supplement of chemical
fertilizers through entrepreneurs. Selected entrepreneurs will promote,
and distribute GS developed organic fertilizers while GS will provide
the required technical assistance and ensure quality control. Slurry –
the byproduct of biogas has the ability to safeguard organic materials
such as nitrogen, phosphorous, and potassium, which increases it’s
standard as a fertilizer and ensures higher agricultural production.
Soil Research Department of University of Dhaka, Bangladesh Agriculture
University has verified that organic fertilizers developed by GS have
very little harmful ingredients. Especially, GS organic fertilizers
produced from poultry litter are very good for acidic soil and helps to
reduce acidity and aluminum poisoning.













