To carry out research on effective and efficient utilization of biogas technology. We believe that in order to tackle some of the worlds biggest problems, we have to build on local solutions. Furthermore, this thesis makes use of countryspecific timeseries data to establish a set of indicators. It employed a crosssectional survey approach involving a total of. Some reports show a low rate of biogas digester use.
Through private sector competition, potential users will benefit from. Biogas technology has been recognised as a suitable technology for improving energy access, waste management, and sanitation in subsaharan africa ssa. The environmental benefits of domestic biogas technology. This study examined the diverse environmental impacts of domestic biogas technology in rural ethiopia. Problems with biogas implementation in developing countries. Determinants of biogas technology adoption in southern ethiopia article pdf available in energy, sustainability and society 101. Analysis of biogas technology for household energy, sustainable livelihoods and climate change mitigation in kiambu county, kenya muriuki salome wamuyu n852762009 a research thesis submitted in fulfillment of the requirements for the award of degree of doctor of philosophy, in the school of environmental studies of kenyatta university. Household biogas technologies in southern ethiopia. Biogas digesters are being employed in many rural communities in the developing world to collect farm animal waste and convert it to biogas through anaerobic bacterial processes. In ethiopia, these energy sources have been in decline. However, a biogas plant seldom meets the owners need for status and recognition. Increasing energy demands on farm households in ethiopia have escalated challenges related to land degradation, indoor air quality, and rural economic development.
Uptake of the technology in the region has been sporadic and currently dissemination programmes are limited to five countries. An assessment of small scale biodigester programmes in the. Biogas is a cleanburning, renewable fuel that is 6070% methane and can be used to power household appliances and generate electricity. Biogas plant for smallholder farmers in ethiopia showcased by awardwinning team for sustainable development. It employed a crosssectional survey approach involving a total of 358 sample biogas user and nonuser households. The impact of small scale biogas technology on household. Flexi biogas systems will run on virtually any biodegradable matter cow, pig, goat, sheep, rabbit orand chicken dung, kitchen waste, market waste, grass, water hyacinth, farm weed and garden clippings, etc points to ponder flexi biogas systems are the only domestic biogas systems globally that will run on 100% chicken poop. Biogas energy, technology adoption, binary logistic regression, ethiopia. These include, but are not limited to, livestock manure, food waste, agricultural residues, energy crops, sewage and organic waste from. Sahilemiedihin and taye, 2014soil laboratory working manual, pdf, ethiopia.
Thus, this research aimed at identifying the institutional factors that influenced the dissemination of. In partnership with a local nongovernmental association known as emmanuel development association in ethiopia, we funded a biogas project with the help of donors support. Global experience shows that biogas technology is a simple and readily usable technology that does not. Biogas final project proposal submitted slideshare.
Factors influencing the adoption of biogas digesters in rural ethiopia melaku berhe1, dana hoag2, girmay tesfay1 and catherine keske3 abstract background. Codigestion of ethiopian food waste with cow dung for biogas. Energy resource mix in ethiopia current status and future direction 17. Publisheddocumentsethiopia%20firstindcethiopia100615. Towards sustainable development makes an attempt to explore the potential of utilizing biodegradable biomass as fuel and manure. Brief programme profile national biogas programme ethiopia 4 4. Poa title ethiopia clean cooking energy program poa design document 2759 kb approved 27 aug 2019 view previous. Presented by ruihong zhang, uc davis, at the nreldoe biogas and fuel cells workshop held june 11, 2012, in golden, colorado. Pdf institutional factors influencing the dissemination. The purpose of this study is thus to examine factors that influence households decisions of adopting biogas technology in rural areas in southern ethiopia. National biogas programme ethiopia programme implementation. The environmental benefits of domestic biogas technology in.
With its distinguished editors and international team of expert contributors, the biogas handbook. Numbers of countries in the world including ethiopia are currently passing through the critical phase of population explosion and the growing population demands more energy inputs. Due to the renewed interest in biogas, and in order to unleash the potential for this bio fuel in ethiopia, a feasibility study was. Schoot uiterkamp 1 and sanderine nonhebel 1 1 center for energy and environmental sciences, university of groningen, nijenborgh 4, groningen 9747 ag, the netherlands. To address these challenges, mainly in rural areas, biogas technology has been domesticated since 2009, as seen in the national program. One of the main environmental problems of todays society is the continuously increasing production of organic wastes. Results and recommendations from implementation of the global bioenergy partnership indicators sustainability of biogas and solid biomass value. The use of domestic biogas has been triggered by the energy crisis in ethiopia and the suitability of the technology with the physical geography. To train the local unemployed youth for installation, operation and maintenance of biogas plants. Oct 08, 2009 deforestation is an important cause for climate change. Description of the programme the approach of the nbp will be marketoriented, with the user of the biogas technology in central position. Ethiopia experiences an energy and environmental crisis due to the sustained reliance on woody biomass to satisfy its. Biogas plants provide organic fertilizer and sustainable energy to increase crop yield and supply households with clean safe energy sue edwards with fentaw ejigu and hailu araya from institute of sustainable development. National biogas program ethiopia, program implementation document january 20087.
Biogas technology mostly appears in privileged households having a better. Oct 14, 2015 in partnership with a local nongovernmental association known as emmanuel development association in ethiopia, we funded a biogas project with the help of donors support. Box 231, mekelle, ethiopia 1 environmental studies economics, school of science. Science, production and applications is a practical reference to biogas technology for process engineers, manufacturers, industrial chemists and biochemists, scientists, researchers and academics working in this field. The dissemination of biogas technology was not progressing as it was planned in ethiopia. Biogas is widely accepted in ethiopia as a cooking fuel and will mainly benefit women and children. The benefits of the use of biogas energy in rural areas in. An african initiative, a costbenefit analysis of national and regional integrated biogas and sanitation programs in subsaharan. Presentation about uc daviss biogas technologies and integration with fuel cells. Assessing the effectiveness, adoption rate and technological gaps. Biogas technology is extremely appropriate to the ecological and economic demands of the future.
I got more handson approach to biogas technology when i was doing my internship with lem ethiopia in bahir dar in julyseptember 2010. Biogas technology an overview sciencedirect topics. Digestate is the decomposed substrate, rich in macro and. This paper analyses the current status of domestic biogas in ethiopia and identifies barriers and. It is mainly composed of methane, with some carbon dioxide and other trace gases. The impact of small scale biogas technology on household income and health in adaa woreda, oromia region, ethiopia woubakal tesfaye masters thesis engineering civil engineering publish your bachelors or masters thesis, dissertation, term paper or essay. Awareness of biogas technology and potential farm benefits. To fabricate biogas appliances such as biogas stove, gas pipe, main gas valve, gas tap, dung mixture and agricultural tools. Biogas can be produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food. The nbpe started with a first implementation phase that concluded by the end of the year 20 boers et al. Factors influencing the adoption of biogas digesters in rural.
Socio economic and environmental impact of household biogas. Biogas technology, bioslurry, scioeconomic and environmental benefit introduction commenced in 2008 the national biogas program nbp in ethiopia has set the goal to install 14,000 domestic biogas plants within a five year period to achieve the growth and transformation plan. Biogas technology has a poor image biogas plants are built by dreamers for poor people. Deforestation is an important cause for climate change. Biogas technology simply formalizes the natural decomposition process. Kenya was among the first countries in africa to adopt biogas technology in the early 1950s. Determinants of biogas technology adoption in southern ethiopia. Pdf institutional factors influencing the dissemination of biogas. A biogas digester consists of one or more airtight reservoirs into which a suitable feedstockcow dung, human waste, abattoir wasteis placed, either in batches or by continuous feed. Biogas is a combustible gas consisting of methane, carbon dioxide and small amounts of other gases and trace elements.
Pdf the dissemination of biogas technology was not progressing as it was planned in ethiopia. Biogas is generally a mixture of different gases produced by bacterial breakdown of organic matter in the absence of oxygen. Energy, sustainability and society factors influencing the adoption of biogas digesters in rural ethiopia melaku berhe 0 dana hoag 2 girmay tesfay 0 catherine keske 1 0 department of agricultural and resource economics, college of dryland agriculture and natural resources, mekelle university, p. Domestic biogas in a changing china can biogas still meet the energy needs of. Biogas is the mixture of gases produced by the breakdown of organic matter in the absence of oxygen anaerobically, primarily consisting of methane and carbon dioxide.
800 1034 905 733 1444 1218 364 209 345 1062 1267 1356 420 596 907 132 106 567 1320 1106 1302 1111 264 847 1008 108 129 501 398 760 655 703 112 976 1237 639 42 413 1073