Btech. Thesis Project

Topics: Biogas, Natural gas, Anaerobic digestion Pages: 60 (17000 words) Published: June 21, 2013
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MAJOR PROJECT REPORT ON

COMPLETE DESIGN OF BIOGAS PLANT PRODUCING BIOGAS FROM RURAL DOMESTIC WASTE Project By:

Ameya Patkar Gaurav Khurana Satya Kumari Shubham Mittal
INTEGRATED DUAL DEGREE BACHELORS OF TECHNOLOGY IN PROCESS ENGINEERING & MASTERS IN BUSINESS ADMINISTRATION BATCH 2009 – 2014

SUPERVISOR: DR. N.C.MISHRA

Department of Polymer & Process Engineering Indian Institute of Technology Roorkee

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CERTIFICATE
This is to certify that the work submitted in the form of this report has been performed by the students under my supervision towards the completion of their Major Project (PP-420) at Department of Polymer & Process Engineering, Indian Institute of Technology Roorkee. I hereby recommend this work for end term viva voce examination.

(Dr. N.C. Mishra) Department of Polymer & Process Engineering, IIT Roorkee, Saharanpur Campus

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ACKNOWLEDGEMENT
We express our deep sense of gratitude towards our guide Dr. N.C. Mishra for his extreme help; support and gratitude in spite of his busy and hectic schedule and making this project a success. We are also indebted to Prof. A.K. Ray for extending his help with valuable advice and valuable knowledge. Last but not the least, we are also thankful to the library staff for cooperating with us to make this a successful venture.

(Ameya Patkar) (Gaurav Khurana) (Satya Kumari) (Shubham Mittal)

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EXECUTIVE SUMMARY
The purpose of this project was to design a Biogas plant to produce biogas from Rural domestic waste for 5000 people. In the beginning we studied various gasification technologies to produce biogas which mainly focuses on various types of digesters available. The Rural Domestic waste available to us is first brought to the production site by various channels. The waste than has to treated and made ready for segregation. The feed is passed through various units separating various types of recoverable material which will be sold at later stage adding economic value to unit. The organic waste after segregation is fed in the digester with average retention time of 15.5 days for two digestion units consecutively. Gas is produced by use of mesophilic and thermophilic bacteria in anaerobic conditions. The gas produced is set for gas processing unit where the H2S, and various other harmful impurities are removed making the gas ready for supply for domestic use. The Residue or the digestrate is processed for production of bio-fertilizer solid which can dispose in the market for sale.The gas produced can be used to produce electricity in the CHP unit. The cost of setting up the plant is Rs. 11.5 Crores with cost of equity being 15%. The payback of the plant will be 7 years. The biogas will be sold at R. 24/m3=. By descriptive profitability analysis, we recommend setting up of the plant.

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Contents
1. 2. 3. Problem Statement ...................................................................................................................... 8 Introduction ................................................................................................................................. 9 Biogas........................................................................................................................................... 10

3.1 Characteristics of Biogas .................................................................................................................. 10 3.2 Properties of Biogas ......................................................................................................................... 11 3.3 Factors affecting yield/production of biogas .................................................................................... 11 3.4 Applications ..................................................................................................................................... 11 3.5 Value Chain...

Bibliography: 1. Material Selection for chemical processes, by C.P. Dillon 2. Strategy of Process Engineering by Rudd D.F 3. www.sciencedirect.com 4. www.wikipedia.org 5. Tu-Vienna, Institute of Process Engineering, Vienna 6. Solid Waste Conversion to energy by Harvey Alter 7. Solid Waste as a resource by Michael E. Henstock, Michael W. Biddulph 8. www.americanrecycler.com 9. Industrial Drying by William Gardner 10. Filteration principle by Clyde Orr 11. ASME Standards 12. Joshi;s Process Equipment Design by VV Mahajani and SB Umarji 13. Cambi, Ecopro plant, Norway 14. ASPEN PLUS by ASPEN TECH 15. www.nabard.org 16. www.forecasts.org 17. www.tradingeconomics.com/india/inflation-cpi 18. Marazioti a, K.C. Angelopoulos b, a Department of Chemical Engineering, University of Patras, Rio 26504, Patras, Greece 19. www.equilibar.com 20. www.nzifst.org.nz 21. EDraw software by EDRAW SOFT 22. Peter, Max S.; Timmerhaus; Klaus D.; West, Ronald E.; “Plant Design and Economics for Chemical Engineers”. 5th Ed. 2003 23. Treybal, Robert E, “Mass Transfer Operations”. 24. Perry’s Chemical Engineer’s Handbook, by Green’ Don; Perry, Robert E. 25. www.tradingeconomics.com 26. Techno-economic analysis of a biodiesel production process from vegetable oils, A.A. Apostolakou, I.K. Kookos , C. Marazioti , K.C. Angelopoulos, Department of Chemical Engineering, University of Patras, Greece
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