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Bioremediation & Waste Management

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Bioremediation & Waste Management

  1. 1. Topic: Bioremediation, Waste Management and Impact on Bio Diversity Submitted By: D.Sairam ( 1st Sem IBT) BSBT-111 ( Bio Diversity and Bio Prospecting) Dr.Subhash Diyundi & Dr. Biswarup Basu Source: Getty Images
  2. 2. OVERVIEW  Introduction of Bio Remediation  Advantages & Disadvantages  Impact on Biodiversity  Waste Management  Types of Disposal  3R’s and Basel Convention
  3. 3. INTRODUCTION  Bioremediation is a waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site.  Microorganisms used to perform the function of bioremediation are known as Bio Remediators.  They are of two types namely In situ ( in site) and Ex situ Bio Remediation.  It basically encourages the use of pollution eating microbes on the medium.  Eg: Use of Oil Zappers to feed on oil spills.
  4. 4. ADVANTAGES OF BIO REMEDIATION  Cost Effective  Bioremediation is a natural process  Environment Friendly  Less Energy and Supervision  Low Capital Expenditure
  5. 5. DISADVANTAGES  Time Consuming  Heavy Metals like Cd,Zn not Removed  Does not Remove all types of Contaminants  Soil must have High Permeability
  6. 6. Sources: Greenpeace 2010
  7. 7. WASTE MANAGEMENT  It is the "generation, prevention, characterization, monitoring, treatment, handling, reuse and residual disposition of wastes.  Waste can be characterized into Solid, Liquid and Gaseous ( in terms of the size of the waste).  The Biggest problem of Waste is due to it’s improper disposal. It is here that awareness about Waste Management comes in handy.  There are distinct ways of disposing different types of Waste
  8. 8. Waste Management Hierarchy Sources: Reuters June 2008
  9. 9. Urban Waste Generation per State Source: Nature Environment 2009
  10. 10. SOLID WASTE DISPOSAL  Landfills  Composting  Incineration  Recycling  Reusing ( Domestic Waste)
  11. 11. Composting Landfill Incineration Sources: Times of India 2012
  12. 12. LIQUID WASTE DISPOSAL  Sedimentation & Dewatering E.g.: Water Purification  Bio Remediation E.g.: Oil Spills  Filtration
  13. 13. GASEOUS WASTE DISPOSAL  Electrostatic Precipitators or ESP Wet Scrubbers Sources: Periwinkle Textbook
  14. 14. Principle of Wet Scrubber Source: The Hindu-2013
  15. 15. oMinimize generation of hazardous waste. oEnsure adequate disposal facilities are available oControl and reduce international movements of hazardous waste oEnsure environmentally sound management of wastes oPrevent and punish illegal traffic Source: Basel Convention website
  16. 16. 3R’S  This modern concept deals with reusing, recycling and reducing our waste. It is most applicable to Domestic Waste.  It is very popular due to it’s Day to Day approach and easy methodology. In some places it is also called as 4 R’s with Refuse being the addition to the existing three. Source: Greenpeace-2007
  17. 17. REFERENCES  www.wikipedia.org/waste_management  www.greenpeace.org/3  www.environment.gov.au  www.epa.gov  www.ehow.com  marvel-of-ebt.blogspot.in  www.sciencedaily.com
  18. 18. THANK YOU

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