Presentation on Sustainable Use, Supply and Production of
Transcription
Presentation on Sustainable Use, Supply and Production of
ADB UNEP IEA FINESSE AFRICA PROGRAM JOINT WORKSHOP ON Sustainable Use, Supply and Production of Biomass Energy in Africa NAIROBI - KENYA Date: 9th – 11th October 2006 Biogas Technologies, West Africa Ltd. www.biogasonline.com SUSTAINABLE SEWAGE AND BIODEGRADABLE SOLID ORGANIC WASTE-TO-ENERGY TECHNOLOGY PRESENTATION By: Dr. John Afari Idan (CEO) BIOGAS TECHNOLOGIES WEST AFRICA LTD. (BTWAL) www.biogasonline.com BIOMASS AS RAW MATERIAL IS POPULATION DEPENDANT www.biogasonline.com SOURCES OF BIOMASS IN AFRICA Human Animals Plants www.biogasonline.com HUMAN BIOMASS SUPPLY CHAIN IN AFRICA DOMESTIC: Households PUBLIC FACILITIES: Churches, Mosque’s, Public Places of Convenience, etc COMMERCIAL: Offices, Stores, Markets, etc www.biogasonline.com ENTERTAINMENT CENTRES: Restaurants, Hotels, Cinema's, Service Stations, Tourist Areas, Stadia, etc INSTITUTIONS: Schools, Hospitals, Real Estates, Police and Military Barracks, Prisons, etc www.biogasonline.com ANIMALS BIOMASS SUPPLY CHAIN IN AFRICA MEAT PROCESSING ABATTOIR FISH PROCESSING ANIMAL HUSBANDRY www.biogasonline.com PLANTS BIOMASS SUPPLY CHAIN IN AFRICA FOOD PROCESSING AGRO-PROCESSING WOOD PROCESSING www.biogasonline.com THE 3 R’s PRINCIPLE RECOVERY RECYCLE RE-USE www.biogasonline.com RECOVERY Recover as much as possible all discarded Biodegradable Organic Matter www.biogasonline.com RECYCLE Integrate Sewage, Biodegradable Municipal Waste, and Waste from Animals www.biogasonline.com RE-USE Re-use the products that will be the results of recycling www.biogasonline.com THE BIOGAS TECHNOLOGIES, WEST AFRICA LIMITED (BTWAL) / ANAEROBIC DIGESTION SYSTEM (ADS) SUSTAINABLE INTERGRATED APPROACH WASTE-TO-ENERGY TECHNOLOGY www.biogasonline.com MAIN DRIVERS OF THE BTWAL/ADS SANITATION SUSTAINABLE LAND USE ENVIRONMENTAL IMPACTS QUANTIFIABLE ECONOMIC AND SOCIAL BENEFITS CONSUMABLE WATER SAVINGS HEALTH IMPACTS ECOLOGICAL IMPACTS (CLIMATE CHANGE MITIGATION) www.biogasonline.com • • • • • • • Components of BTWAL/ADS Waste-to-Energy Plant The Bio-digester (s) The Expansion Chambers Filtration Beds UV Water Treatment System Treated Effluent storage Biogas Recovery Balloon Biogas end-use accessories www.biogasonline.com A COMPLETED BIOGAS DIGESTER AND FILTRATION BED Trasacco Valley Estates, Accra - Ghana www.biogasonline.com THE BIOGAS PLANT AT THE NESTLE FACTORY, TEMA - GHANA www.biogasonline.com THE BIOGAS PLANT AT THE ACCRA PSYCHIATRIC HOSPITAL – GHANA www.biogasonline.com PRODUCTS OF THE BTWAL/ADS PLANTS BIOGAS (Methane 60-70%, Carbon Dioxide 30-40%, Hydrogen Sulphide 0.15%, Nitrogen 20% and Water 4% EFFLUENT SLURRY www.biogasonline.com The Biogas Capture Balloon at the Accra Psychiatric Hospital www.biogasonline.com Biogas Meters www.biogasonline.com Typical Monthly biogas generation Metering Data,1995-2003` - St Dominic’s Hospital Plant. Akwatia, Ghana 12,000 10,000 Liters Biogas 8,000 6,000 4,000 2,000 Dec. Apr. Aug. D 94 95 95 ec95 Apr. Aug. D 96 96 ec96 Apr. Aug. D 97 97 ec97 PLANT NO 1 Apr. Aug. D 98 98 ec98 PLANT NO 2 Apr. Aug. D 99 99 ec99 PLANT NO 3 Apr00 PLANT NO 4 A ug00 D ec00 Apr01 PLANT NO 5 A ug01 D ec01 Apr02 A ug02 D ec02 Apr03 A ug03 www.biogasonline.com Typical Annual biogas generation Metering Data,1995-2003` - St Dominic’s Hospital Plant. Akwatia, Ghana Annual Biogas Generation, 1995-2003 100,000 90,000 80,000 Liters Biogas 70,000 60,000 50,000 40,000 30,000 20,000 10,000 - 1995 1996 1997 1998 1999 2000 2001 2002 2003 PLANT NO 5 (Liters) 13,478 12,059 12,266 9,105 13,237 15,015 16,790 14,023 12,310 PLANT NO 4 (Liters) 18,175 19,224 18,393 23,903 25,920 31,387 20,726 15,845 12,866 PLANT NO 3 (Liters) 19,068 17,644 19,622 16,189 23,608 20,144 25,808 33,817 25,307 PLANT NO 2 (Liters) 15,335 12,303 15,709 12,814 15,155 17,119 17,262 15,155 8,255 PLANT NO 1 (Liters) 15,281 12,065 16,588 18,924 14,359 14,047 13,964 15,898 14,377 www.biogasonline.com Annual biogas generation and Equivalent in other fuel types, 1995-2003 - St Dominic’s Hospital Plant. Akwatia, Ghana Biogas Generation Equivalent to Other Fuel Types 600.0 500.0 400.0 300.0 200.0 100.0 1995 1996 TOTAL BIOGAS (m3/year) 1997 1998 LPG Equivalent (kg/year) 1999 2000 LPG Equivalent (Cylinders/year) 2001 2002 Wood Fuel Equivalent 2003 Charcoal Equivalent www.biogasonline.com Biogas Utilization Equipment for Gas Combustion STOVE REFRIDGERATOR ELECTRICITY GENERATOR www.biogasonline.com COOKING EQUIPMENT – Biogas Stoves at Valley View University, Accra - Ghana www.biogasonline.com ABSORPTION DIFFUSION GAS REFRIDGERATOR www.biogasonline.com BIOGAS ELECTRICITY GENERATOR www.biogasonline.com THE TREATED EFFLUENT SLURRY Nitrogen Rich Liquid Slurry (Fertilizer) www.biogasonline.com THE TREATED EFFLUENT SLURRY FOR NON-CRITICAL APPLICATION W. C. FLUSHING AFFORESTATION LANDSCAPING www.biogasonline.com THE TREATED EFFLUENT STORAGE FOR RE-USE IN TOILETS www.biogasonline.com Alternative uses of Treated water for Woodlot Plantation Irrigation www.biogasonline.com THE DIRECT ECONOMIC BENEFITS • • • • Replacement of Septic Tank Replacement of Waste Stabilization Ponds Water Savings (Cistern Methods) Treated Effluent (water) Utilization Alternative Uses – Water use reduction – Treated Effluent for re-flushing – • Biogas Generation www.biogasonline.com Community and Health Benefits • Pathogen Destruction • Sanitation and Health Benefits • Avoidance of odour nuisance from Septic Emptying • Elimination of seasonal overflows of septic tanks www.biogasonline.com Effluent Water Quality Analysis Sample Code: TRASACO VALLEY ESTATES Sampling Date: 13/8/2004 Sampling Time: 11.45 a.m. – 12.10 a.m. Date of Analysis: 13 – 18 /8/2004 Source/Purpose: Trasacco Valley Estates Quality Evaluation Sample Size: 2 Litres Date of Report: 21/8/2004 Parameters Site 1:BIOGAS Effluent E.P.A. Guideline Values Temperature (oC) PH Conductivity (µS/cm) Dept Salinity (%) Total Dissolved Solids (mg/l) Dissolved Oxygen (mg/l) Total Suspended Solids (mg/l) COD (mgO2/l) BOD (mgO2/l) Sulphate (mg/l) Nitrate-Nitrogen (mg/l) Iron (mg/l) Ammonium Nitrogen Total coliforms (MPN/100 ml) Zinc Lead 34.6 7.15 709 1.9 meters 0.1 40 1.9 46 142 14 9 30 0.10 16.9 137 0.4 0.2 <3oC above ambient 6-9 1500 1000 50 250 50 300 50 1.0 50 400 10 0.1 *Exceeds Environmental Protection Agency Effluent Quality Guidelines Submitted by MR. EMMANUEL APPOH (ENVIRONMENTAL SCIENTIST) E. P. A. www.biogasonline.com www.biogasonline.com OPERATING BIOGAS PLANTS IN GHANA DESIGNED AND CONSTRUCTED BY: BIOGAS TECHNOLOGIES WEST AFRICA LTD. PROJECT NO. PROJECT TITLE PLANTS CAPACITY BENEFICIARY YEAR OF CONSTRUCTIO N INSTITUTION HEALTH 1 Construction of Biogas Plants 280m3 (Five Plants) The Hospital 1994 St. Dominic’s Cath. Hosp. Akwatia 2 Construction of Biogas Plants 240m3 (Four Plants The Hospital 1995 Battor Catholic Hospital 3 Construction of Biogas Plant Twin 60m3 The Hospital 2001 Tamale Regional Hospital 4 Construction of Biolatrine 12 seater with a 40m3 digester The Hospital 2002 Tamale West Hospital 5 Sewage System Rehabilitation Twin 50m3 The Hospital 2003 Accra Psychiatric Hospital 6 Sewage Treatment Plant 80m3 The Hospital 2004 Koforidua Regional Hospital 1 Biogas Plant 50m3 Dept. of Animal Science 1999 KNUST - KUMASI 2 Biogas Plant 30m3 Tema East Basic Exp. Sch. 2002 Educational 3 Biogas Plant 78.3m3 The University 2003 Valley View University 4 Biogas Plant 20m3 The Orphanage Home 2001 Abdullam Orphanage, Obuasi 5 Anaerobic Sanitation Plant 50m3 Kinder Paradise, Prampram 2004 Children Orphanage, Prampram 1 Biogas Plant 14 plants with a total volume of 886m3 Anglo-Gold Ashanti Estate Department 2000 Anglo-Gold Ashanti 2 Biogas Plant Twin 60m3 Nestle Ghana Limited 2004 Nestle Ghana Limited, Tema EDUCATION INDUSTRIES www.biogasonline.com MUNICIPAL ASSEMBLY 1 Biolatrine 16-seater Biolatrine with a 40m3 Plant Abeman/Oshiuman 2000 GPRP – Social Investment Fund 2 Twin 8-seater Biolatrine 8-seater Biolatrine with a 30m3 Plant Sege – Sokorpe 2002 GPRP – Social Investment Fund Sewage Treatment Plant 4 Plant with a total volume of 260m3 Trasacco Valley Estates 2002 Trasacco Valley Estates Develop. Biogas Plant 50m3 The Hotel 2006 Airport West Hospitality, Accra 1 Biogas Plant 8m3 Dr. E. N. Mensah 2002 Tema 2 Biogas Plant 8m3 Mr. Ransford Tetteh 2002 Teshie, Tsuiblewoo 3 Biogas Plant 12m3 Mr. Kofi Ayim 2002 Anyaa Down 4 Biogas Plant 10m3 Mr. Quainoo 2004 New Legon 5 Biogas Plant 10m3 Bethlehem All Family 2005 Bethlehem, Tema REAL ESTATE 1 HOTELS 1 DOMESTIC www.biogasonline.com THE RELEVANCE OF THE BTWAL/ADS TO INTERNATIONAL AGREEMENTS United Nations Framework Convention on Climate Change (UNFCCC) The KYOTO Protocol World Bank Quantified Emission Reduction (WBQER) Clean Development Mechanism (CDM) UNIDO Cleaner Production www.biogasonline.com www.biogasonline.com [email protected] Thanks for your Attention www.biogasonline.com