BIO GAS AS APPROPRIATE TECHNOLOGY

BENEFITS AND COSTS OF A BIO GAS PLANT

THE DIGESTION PROCESS

The fermentation slurry
Fermentation slurry as fertilizer
Bio Gas

BO GAS PLANTS

Feed methods
Plant types
Balloon Plants
Fixed Dome Plants
Floating Drum Plants

SCALING OF BIO GAS PLANTS

Definitions
Scaling of the Digester
Scaling of Gasholder
Digester/gasholder ratio
Examples for the Calculation
Measuring and lest programmes

DESIGN OF BIO GAS PLANTS

Shape and static loading
Bottom slab
Spherical shelf of masonry construction
Masonry and mortar
The parts of a biogas plant and their functions
Floating gas drum
Water lacket plant
fixed dome plants
Large scale plants
Bio Gas plants in cold regions

BIO GAS UTILIZATION

Bio Gas appliances
Lamp

PLANNING, DESIGN AND CONSTRUCTION

Floating drum plant with filler funnel
Floating drum
Floating drum plant without water jacket
Floating drum plant with water jacket
Fixed dome plant without upper opening
Fixed dome plant with upper opening
Flating drum plant (quarrystone masonry)
Floating drum plant with extremely low VD/VG ratio
Channel type digester with folia

TYPES OF BIO GAS DIGESTERS AND PLANTS

Bio Gas Plant Designs
Digester types in industrialized countries
Selection of appropriate design
Ballon Plants
Variations
Horizontal Plants
Earth pit plants
Ferrocement plants
Bio Gas -Digester types
Dry fermentation
Wet fermentation plants
Fixed dome plants
Function
Digester
Gas Holder
Types of fixed dome plants
Climate and size
Summary
Variations
Floating drum plants
The drum
Size
Water jacket floating drum plants
Material of digester and drum
Guide frame
Types of floating drum plants
Low Cost Polyethylen Tube Digester
Digester
Gasholder and Gas storage Reservoir
Bio Gas Supply Line
Modification
Dry fermentation plants
Process

CONSTRUCTING A FLOATING DRUM BIO GAS DIGESTER OUTLET

CONSTRUCTING A FLOATING DRUM BIO GAS DIGESTER INLET

CONSTRUCTING A FLOATING DRUM BIO GAS DIGESTER

CONSTRUCTION OF A BIO GAS DIGESTER

Bio Gas Pipeline Connection fittings

BIO GAS PLANT CONSTRUCTION MANUAL FIXED DOME DIGESTER

Bio Gas (Gobar) Plant
Introduction
Determining Plant Size
Selection of Construction Materials, Bio Gas Plant Construction Manual Fixed dome Digester
Cement
Sand
Gravel
Water
Bricks
Cobble Stones
Bio Gas Plant Construction Site Selection
Construction Site Selection
Site Layout
Excavation
Construction of Digester Main Chamber
Bio Gas Plant, Dome Construction
Bio Gas Plant Outlet Chamber Construction
Construction of Inlet Tank
Bio Gas Plant Lay out of Pipeline
Construction of Gas Line Condensate Drain Valve Box
Compost pits
Bio Gas Appliances
Small scale Kitchen Waste Bio Gas Plant

FOOD, ANIMAL, VEGETABLE AND FOOD PREPARATION BY PRODUCT TREATMENT

Anaerobic Treatment (Digestion) Stage
Liquid Solid Separation Stage
Ammonia Removal and Recovery Stage
Solids Processing Stage
By product Characteristics
Full Scale Operation
Liquid Solid Separation and Solids Handling
Ammonia Removal and Recovery Stage
Methane Recovery
Example (Pilot Test)
Anaerobic Treatment Unit
Pilot 1 (Mesophillic)
Pilot 2 (Thermophilic)
Ammonia Removal and Recovery Pilot Testing

PROCESS FOR ANAEROBIC TREATMENT OF WASTE

Combined Anaerobic Process for Treating Organic Wastes

Explanation of the Marks on the Main Parts of the Figures

PROCESS FOR PRODUCING ETHANOL AND FOR ENERGY RECOVERY

The Development and use of Biomass for Energy Production
Anaerobic Microbial Conversion
Anaerobic Digester System
3000 Head Dairy Example
Com Grower Ethanl Plant Dairy Farm System

METHANE GAS PROCESS AND APPARATUS

POWER GENERATION FROM SOLAR AND WASTE HEAT

Biotower
Spiral Cavity

APPARATUS AND PROCESS FOR BIOLOGICAL WASTEWATER TREATMENT

SELF CONTAINED BIOFUEL PRODUCTION AND WATER PROCESSING APPARATUS

Operation in General
Production of Sour Methane
Purifying Sour Methane by Scrubbing
Production of Ethanol
Production of Biodiesel
Review and Other Considerations
Conctusions Ramifications, and Scope

METHOD AND APPARATUS FOR PRODUCING BIO GAS EMPLOYING TECHNOLOGY FOR IMPROVING QUALITY OF RAW MATERIAL

METHOD AND APPARATUS FOR PRODUCTION OF BIO ETHANOL AND OTHER FERMENTATION PRODUCTS

Examples
Illustrative Example 1
Conversion of sewage Sludge
Gas Analysis
Gas Analysis
Liquid Analysis
Liquid Analysis
Solid Analysis
Carbon Balance
Energy Balance
Illustrative Example 2
Conversion of Sewage Sludge
Gas Analysis
Liquid Analysis
Solid Analysis
Carbon Balance
Energy Balance
Illustrative Example 3
Conversion of Corn Silage
Gas Analysis
Liquid Analysis
Solid Analysis
Illustrative Example 4
Use of Microwave Heating in a Catalytic Liquid Conversion Process

METHOD AND APPARATUS FOR REMOVING CO2 IN MIXED GAS SUCH AS BIO GAS

METHOD FOR PRODUCING BIOFUEL USING ELECTRON BEAM

METHOD FOR THE SYNTHESIS OF ORGANIC COMPOUNDS FROM MANURE

NON-HAZARDOUS, NON-SEPTIC LIQUID WASTE DRYING PROCESS

WASTE TO ENERGY BY WAY OF HYDROTHERMAL DECOMPOSITION AND RESOURCE RECYCLING

Hydrothermal Decomposition Reaction
Solid-Liquid Separation
Drying
Combustion of Solid Fuel
Steam Generation
Gas Scrubbing
3-Stage Wet Scrubbing Process
2-Stage Web Scrubbing Process
Purification (Waste Water Treatment)
Electricity Generation

PLANT ECONOMICS OF BIO GAS PLANT

PLANT ECONOMICS OF BIO GAS FILLING IN CYLINDER

PLANT ECONOMICS OF ETHANOL (BIOFUEL) FROM MOLASSES

PLANT ECONOMICS OF METHANE GAS FROM SODIUM ACETATE AND SODA LIME

PLANT ECONOMICS OF SOLAR PV POWER PLANT

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