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DOMESTIC BIOGAS
DIGESTER (SNV)
Presented by: Boualy VONGVISITH
Ministry of Science and Technology (MoST),
Renewable Energy and New Material (REMI)
ODA – UNESCO Project
Promotion of Energy Science Education for Sustainable Development in Laos
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CONTENTS
1. History of SNV
2. What is Domestic Biogas?
3. Benefits of Domestic Biogas
4. Program Objective and
Program Design
5. Current Statute of the Program
6. Program impact during the last
4 years Implementation
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HISTORY OF SNV BIOGAS
IN LAO PDR
SNV Fact – Finding
Mission
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Assessment Report
SNV + MAF signed
MoU for BBP
Next Phrase
SNV Feasibility
Study
Survey of Potential Users
Biogas Pilot Program
BBP Starts
Mid – Term Review
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WHAT IS DOMESTIC
BIOGAS?
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BENEFITS OF DOMESTIC BIOGAS Benefits of Biogas – for
Agricultural Productivity
Bioslurry Organic Fertilizer
• Very effective fertiliser, easily composted
• Improved Soil Fertility
• Safer than raw manure (no weeds or pathogens)
Improved Livestock
• Encourages stabling of
animals(easier vaccinations, improved health and breeding)
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Energy Source
• Cooking: fast and convenient • Appliances: lights, rice-cooker, water heater, generator • Clean + Renewable: save
money(average family savings of $89 per year *)
BENEFITS OF DOMESTIC BIOGAS
Health and Gender
• Healthy: no smoke inside the house
(affects mainly women and children)
• Saves Time: not collecting fuel, cooking
faster (avg savings of 1.5hrs per day *) * Biogas User Survey 2007
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BENEFITS OF DOMESTIC BIOGAS
The Environment
• Cleaner Villages: reduces
smell, insects and disease
• Water Quality: reduces
contamination from excess
Nitrogen and faece matter
• Local deforestation: reduced
• Greenhouse Gas Pollution: reduced
Rural Income and Employment
• Local masons trained
• New jobs in a sustainable new industry
• Local PAFO/DAFO co-ordinate program
• Materials and labour sourced locally
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DESIGN OF THE LAO BIOGAS
PILOT PROGRAM
Program General Program objective: Create a
commercially viable biogas sector in Lao PDR
Implementing
Agency
Ministry of Agriculture,Dept of Livestock and
Fisheries
Funding 2007 to 2010 from the Dutch Government
Coverage
Vientiane Capital, Savannakhet,
Xiengkhaoung,Vientiane Province and
KhammuanProvince
Management
Structure
•Central BPP Program Office in DLF
•Provincial offices inside PAFO with 5 officers
•District officers from DAFO
Remuneration
•Performance-based incentive structure
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BPP BIODIGESTER SYSTEM
•Fixed dome, masonry works + concrete
•Sizes: 4m3, 6m3, 8m3 and 10m3
•Quality Management: 5-step process before, during
and after construction.
•Focus on training and
monitoring
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BIODIGESTER COSTS (IN LAO KIP)
Size: 4m3 6m3 8m3 10m3
Total
Biodigester
Cost
3,751,000 4,372,000 5,224,400 6,004,800
Household Costs 1,891,000 2,512,500 3,364,400 4,144,800
BPP Subsidy (in
kind + cash) 1,860,000 1,860,000 1,860,000 1,860,000
Subsidy
Proportion 50% 43% 36% 31 %
Skilled Labor (trained
mason)
5%
Unskilled Labor (can be
household)
21%
Materials 74%
Accessories 22%
Skilled + Unskilled
Labor 46%
Skilled + Unskilled
Labor 11%
Advanced credit
subsidy 21%
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ACHIEVEMENTS Before BBP Now
• A few
demonstration
biogas plants
• Very few people
had heard of or seen
a biogas system
• Over 2,000 families using biogas
• Saving about $178,000 per year in energy and fertiliser
costs
• Saving about 1,399 tonnes of wood per year
• Saving about 155 tonnes of charcoal per year
• 7,300 tonnes of an effective fertilizer were available instead
of using the chemical fertilizer per year
• Local supplier of Chinese Biogas appliances in Vientiane
• Biogas Credit scheme offered by the Agricultural
Development Bank
• Biogas / bio-fertiliser company in XKG
• Strong demand from many provinces (PAFO, DAFO,
private)
• 1 Local NGO was joining
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AN INCREASE OF THE CONSTRUCTED
PLANT EACH YEAR
937
731
188
110 2007
2008
2009
2010
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Impacts of BPP on People
Around 10,000 people enjoy the benefits of biogas
Over 80 PAFO+DAFO officers trained and
employed
Over 150 masons trained (not all active)
Over $1 million total program costs invested by
donor (not including SNV TA)
About $444,941invested by households in their
own system
About $437,647in subsidies paid to households
About $400,000paid to PAFO + DAFO as
incentive payments
ACHIEVEMENTS (1)
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PROMOTION
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TRAINING ON CONSTRUCTION
AND SUPERVISION
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RESEARCH AND DEVELOPMENT
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QUALITY CONTROL AND AFTER
SALE SERVICE
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EXTENSION OF BIOSLURRY
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PROBLEMS AND CHALLENGING
Other technical issues are mostly after
the biogas plant is built.
A common problem is that pipes get
blocked
Leakage is also a problem that is not
unusual with fixed dome biogas plants.
No have substrate for feeding into the
biogas digester
Biogas user do not maintain
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Bioslurry
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BIO-DIGESTER AFTER FOUR YEAR
LATER
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THE MAIN AGENCIES FOR THE PROJECT SUSTAINABLE
Budget
Coordination / Implementing
Applications and Maintenance
Construction
and after sale service
Policy
Promotion
quality Control
Biogas household
Training
Public Campaign
Monitoring and
Evaluation
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