Centre for Sustainable Technologies (formerly ASTRA) Indian Institute of Science

BROAD AREAS of R & D Bioenergy Technologies –Biomass gasification, biomethanation, improved wood burning devices (cook stoves, driers, kilns, etc.) –Technology generation and transfer/dissemination Alternative building technologies –Technology generation, training and transfer/dissemination Defluoridation of Water & Sanitation Program Hazardous waste management.Forestry, sustainable biomass production and climate change

BIOMASS GASIFICATION Technologies / DesignsTechnology transferImpacts / investments Biomass gasifiers for power generation Capacity: 20 kW to 1000 kWe Village electrification – 4 On-going village electrification - 25 Industry captive power and grid connected – 20 - Installed capacity Village Elec. 145 kWe -100% HH electrification HH to be electrified - Captive and grid Power 2500 kW - Inv. Rs. 120 mil Thermal Gasifiers Upto 5 MW th Industrial application – 8 1 MW – 500 to 1 MWe rating Improved processing

BIOMETHANATION Technologies / DesignsTechnology transferImpact/ Investment Community biogas for rural electrification – Optimized designs Village electrification – 17 villages Home lighting and water supply Reliable electricity in 17 villages No. of HH electrified Inv. Rs.10 mil Bioreactors for Coffee effluent Multi-feed high rate bioreactor process No. of sites – 17 Capacity – 1700 kg COD/d, 92% removal Gas production for multiple end uses Effluent treatment 504, 000 litres per day Inv. Rs. 5 mil Municipal solid waste treatmentNo. of plants – 1 Capacity – 90m 3 Gas for multiple end uses & Waste treatment 1 town 50,000 population Biomass plants for cooking Solid phase and plug flow processes. On going – 25 villages Gas for cooking for all HH No. of HH = 2000 Inv. Rs. 10 million

Alternative Building Technologies Technologies/ designs Technology transfer Impact/ Investment -Stabilized mud blocks -Lime-Pozzolana Cements -Composite mortars -Pre-cast and prefab roofs -Ferro-cement roofs -Masonry vaults and domes -Filler slab roofs -Earthquake resistant buildings -Solar passive architecture >12,000 buildings nationally >4000 buildings in Gujarat after the Bhuj earthquake Training technology carriers Energy efficient & improved buildings Homes for earth quake victims Energy conservation Environment conservation Trained entrepreneurs, employment generation

Wood Burning Devices Technologies / DesignsTechnology TransferImpacts Efficient smokeless cook stoves Cook stoves: 1.55 million HH Bath stoves: 3300 Institutional stoves: 4000 Fuelwood conservation: 0.5 t/yr Improved quality of life for 1.5 million women Entrepreneurship and employment Investment: Rs.300 million Agro-products driers: spices, fruits, vegetables Driers: 1000 Enhanced economic value of Agro-products Investment: Rs.27 mil

Technologies / DesignsTechnology TransferImpacts Domestic Defluoridation Technology 15 liters domestic defluoridation units 100 liters defluoridation units Health benefits for rural people drinking fluoride-contaminated water Improved life quality Rural sanitation program Under progress Improved sanitation & hygiene conditions Defluoridation & Rural Sanitation

Forestry, Biomass Production, Climate Change Developed and promoted mixed-spices forestry for biodiversity conservation & sustained yields Developed Nursery practices manual for 100 tree species Estimated Sustainable biomass production potential for energy for India Climate change mitigation technologies, potential, costs and projects –Forestry –Bioenergy technologies –Renewable energy technologies Bioenergy for Rural India and Climate Change Mitigation: A large project prepared by ASTRA, –Funded by UNDP-GEF –Implemented by Govt. of Karnataka Climate change science and policy making

FUTURE PLANS: R & D R & D in new interdisciplinary areas –Sustainable bioenergy technologies –Water and sanitation; sustainable water –Environmental quality standards –Sustainable construction technology –Toxic sludge management –Climate change mitigation and adaptation