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Mini Project
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Mini Project (RDD-750) Project Title:
Design of Pressure Swing Adsorption system for removal of CO2 and H2S from biogas using zeolites.

______________________ Guided By : Prof. V. K. Vijay C.R.D.T. IIT-Delhi

Submitted By: Vikas Tiwari Dept. of Chemical Engineering IIT- Delhi

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Table of Contents

Table of contents…………………………………………………………………...1 ABSTRACT………………………………………………………………………..2 1. Objectives of the project. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2.Introduction to PSA system……………………………………………………....3 3. Advantages of PSA over conventional methods to remove CO2. . . . . . . . . . . . .4 4.Zeolite used for CO2 and H2S removal and its properties………………….........4 5. Selection of adsorbent on the basis of nature of adsorbent ................................5 6. Zeolite used for CO2 and H2S removal and its properties:................................5 7. Principles of adsorption..………………………………….................................6 8. Design requirements............................................................................................7 9. Design Calculations.............................................................................................8 10. Conclusion.......................................................................................................12 11. References........................................................................................................13

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ABSTRACT
This project concentrates on the design of pressure swing adsorption system for the removal of CO2 and H2S gases from biogas produced. There is large amount of CO2 is present in biogas, removal of which increases the calorific value of the biogas to extent of natural gas. Project also illustrates the potential of different zeolites to adsorb certain gases specifically. So we will be using Zeolite 13X for the removal of CO2 and H2S in the pressure swing



References: 1. Sircar, S. Ind. Eng. Chem. Res. 2002, 41, 1389-1392. 2. Unit Operations Of Chemical Engineering, 5th Ed, McCabe And Smith 3. Cavenati,S.;Grande,C.; Rodrigues,A. J. Chem. Eng. Data 2004, 49, 1095-1101. 4. Staudt R.; Rave H.; Keller J.; Adsorption 5, 159–167 (1999) 5. J. Me´ rel, M. Clausse, and F. Meunier. Published online 28 November 2006 in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/ep.10166 13

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