“ BIOGAS TO POWER ” Using Biological H2S Removal “ Bioskrubber ” TM System And Gas Engines

1. “BIOGAS TO POWER” Using Biological H2S Removal “Bioskrubber”TM System And Gas Engines 21 March 2008 Delhi All India Distillers Association ( AIDA ) International Technical Symposium. Innovative Environmental Technology P Ltd.Pune www.ietl.in

2. INDEX • BIOGAS TO POWER …WHY? • BIOGAS APPLICATION SHIFT -“HEAT TO POWER”..WHY? • TARGET DISTILLERIES THAT WILL BENEFIT. • ABOUT “Bioskrubber”TM PROCESS • “Bioskrubber”TMADVANTAGES • SERVICES FROM INNOVATIVE • REFERENCE PLANTS

3. “BIOGAS TO POWER”……….WHY? • Power is in short supply. 78,000MW planned in 11th Plan. • 1.25 lac villages and 56 % of household are non electrified- Power is in big deficit. • Rural, decentralized and renewable power -A Priority. • Enactment of Electricity Act 2003 and Renewable policy 2005 in place. • Process industries need high quality and uninterrupted power. • Any expansion /New downstream projects will require additional, quality power. • Power generation/Cogeneration is becoming an important revenue stream.

4. “BIOGAS TO POWER”……….WHY? • Successful reference plants available –reduced risk. • Elemental Sulphur as a high value biproduct from Bioskrubber process , an added advantage. • CDM benefits – Generate more power, get more benefit • Therefore generating additional power from biogas now makes good business sense.

5. Biogas application from “ Heat to Power ” A High Value Shift • Biogas already available with many distilleries. • Current utilization of biogas - mostly as heat value. • Biogas fired Gas Engines - for high value shift. • 1 m3 of gas fired in engine can give 2 units of power . • High efficiency - Electrical 40.8%+17.5%+22.9% =81.2% • System configuration -Biogas+Bioskrubber+Gas engines • H2S in the biogas must be removed for gas engine application. • Typical H2S in biogas from distilleries is 3% to 5%.Should be brought down to 250 ppm.

6. TARGET DISTILLERIES Biogas to Power project will benefit all Distilleries such as: • Those having high power consumption from the grid. • Those having other plants/offices in Group companies buying high and expensive power from the grid. • Those attached to sugar factory having cogen unit and selling power to the grid. • Those wanting to sell power to a Third party

7. BIOSKRUBBER TM Biological H2S Removal System

8. TYPICAL PROCESS FLOW DIAGRAM BIOSKRUBBERTM + Power

9. BioskrubberTM is a biological caustic scrubber to remove H2S from biogas, in which the spent caustic solution is continuously regenerated in the bioreactor. BIOSKRUBBERTM PROCESS Equation No 1 H2Sgas + OH- HS-liquid + H2O Equation No 2 HS- + 1/2O2 + OH- So

10. ADVANTAGES BIOSKRUBBERTM PROCESS • Clean bio-technology for H2S cleaning. • Lowoperating cost of biogas - upto 92% caustic recycled. • Successful commercially operating plants for last 8 years. • Projects using BIOSKRUBBERTM PROCESSworth 30 MW of power successfully commissioned. • Very high H2S removal efficiency - over 99%. • H2S reduction to less than 250 ppm guaranteed. • No expensive catalyst and chemical required. • Operation at ambient temperature, pressure and PH between 8 and 8.5 . • Elemental SULFUR as bi-product with 90% purity.

11. ADDITONAL BENEFITS OF H2S REMOVAL • Impact On Surrounding air. • H2S is Highly Corrosive – Can damage other equipments and expensive instruments in the vicinity. • Health Hazard and odour nuisance. • Pollution Board Norms - Sulphur emission “Cap” in kgs/day - Today laws are not stringent, • Tomorrow ?

12. SERVICES OFFERED BY INNOVATIVE • Turnkey Projects from designing to commissioning. • Supervision on operations of the plant • Financing the project on a B.O.O / B.O.O.T on a case to case basis. • First B.O.O.T project signed -

13. B.O.O.T Projects by INNOVATIVE - Typical features • On a case to case basis ,Innovative will entirely fund, operate and maintain the Biogas to power project. • Project size – 1.4 MW + • Innovative will get Biogas and sell Power to the distillery for captive use or will sell power to a third party. • Gas will be free or at cost. • Transfer period of the project will vary depending on other terms and conditions. • Entire plant will be transferredfree of cost on transfer.

14. REFERENCE INSTALLATIONS …1

15. REFERENCE INSTALLATIONS…2

16. PROJECT Type Of Plant Type Of Services Period Of Services Tamilnadu Newsprint Paper Ltd. Erode, Tamilnadu E. T. P. Operation of the E.T.P. with all manpower November 2003 To October 2008 Degremont India Ltd. For Delhi Jal Nigam Delhi. At Rithala, New Delhi H2S removal Plant for Power Plant Supervision on operations of the plant November 2003 To March 2009 MMS Steel & Power Pvt. Ltd Narimanan ,Tamilnadu H2S removal Plant for Power Plant Supervision on operations of the plant April 2006 To March 2009 MMS Steel & Power Pvt. Ltd Kovilkallapal, Tamilnadu H2S removal Plant for Power Plant Supervision on operations of the plant April 2006 To March 2009 Kanoria Chemicals & Ind. Ltd., Ankleshwar, Gujrat H2S removal Plant for Power Plant Supervision on operations of the plant August 2006 To June 2008 BMSS Ltd., Shripur, Dist. Solapur, (Maharashtra) H2S removal Plant for Power Plant Monthly consultancy visit to the plant April 2003 To Oct 2008 Riddhi Siddhi Gluco Biols Ltd. Gokak, Dist. Belgum (Karntaka) H2S removal Plant for Power Plant Supervision on operations of the plant October 2007 To June 2008 Reference Installations for Supervsion on operations

17. Kanoria Chemicals Ltd.Ankleshwar, Gujarat

18. Brihan Maharashtra Sugar Syndicate Ltd.Akluj ,Maharashtra

19. INDIA GLYCOLS Ltd.Kashipur,Uttaranchal

20. INDIA LYCOLS Ltd.Kashipur,Uttaranchal

21. Recovered Sulfur

22. India – High Energy Dependence on Imports

23. India – High Energy Dependence on Imports Producing such renewable energies will be economically and environmentally good, not only for the industry, but also for our country.

24. THANK YOU Contact : Mr Chandan Gadgil e-mail : chandangadgil@gmail.com Ph. No. : 020-25663436,25675423 Fax No : 020-25653748 Mobile : 098220 97322 www.ietl.in