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Microbial Degradation
Of Waste
Presented by,
SHEEBA.D
UMA.A
Introduction
Microorganism are very small organism.
CATEGORY
Bacteria
Fungi
Archaea
Protozoa
Algae
Some bacteria and fungi – process of degradation
Life existed on the planet-3.6 billion yrs.
5*10³º prokaryotes on Earth.
Garbage:
 The substance which are intended or required to be
disposed off.
 Waste management Lincensing Regulation 1994
 extraction of impure materials –Handling of untreated
garbage in processing the final product- during consumption
or utilization or breakdown of product.
Garbage formation in India:
 62 million tons of waste annually
In India 1.5 lakh metric tons of solid waste
 1.975 million tons of e waste around 1.5 kg in our country
Now 5.2 million tons increased per year.
Swachh bharat or clean India Mission -2014 to 2019
41%
40%
6%
4%
4%
2%
2%
1%
Chart Title
1 2 3 4 5 6 7 8
IN 2007 garbage in India Garbage formation worldwide
Global waste production will
increase by 70%
 2.01 billion metric ton of
municipal solid waste.
3.40 billion tos by 2050.
Kuwait generates 5.72kg of
waste per capita
Arena Ghana 192,000 tons of
e-waste annually.
Indonesia 230000 tons of
household waste every year
Pakistan 202 hectares &5000
people & affects the life of 5
million people.
Sources of garbage:
Municipal waste
Medical/clinical waste
Agricultural waste
Industrial waste
E-waste
Waste from constructions & demolitions
Commercial source
Biodegradable waste &non –biodegeradable waste:
o Biodegeradable waste:
Easily decomposed by bacteria & other
natural do not contribute to pollution.
o Non- biodegradable waste:
It cannot be degraded or decomposed by the
biological process or broken down by natural organism
&add up to the pollution.
PLASTICS:
It is signified as “pliable & easily molded”.
Categorization
Polyethelene Tetrephthalate
High –Density polyethylene(HDPE)
 Polyvinyl chloride(PVC)
Low-Density polyethylene(LDPE)
Polyproylene(PP)
Polystyrene or styrofoam(PS)
Miscellaneous plastics.
Packing Eg:
 Mushroom packaging
Liquid wood
Seaweed-based packaging
Pressed hay
Banana leaves
1. GLASS
2. Alternative packaging material
Types
I. Bio-based type
II. Petrochemical-based
3. Microbial degradation of plastics
a) Bio-deterioration
b) Bio-fragmentation
c) Assimilation &mineralisation
4. Non-microbial degradation of plastics
Microbial Degradation Of Waste For A Greener Future

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Microbial Degradation Of Waste For A Greener Future

  • 2. Introduction Microorganism are very small organism. CATEGORY Bacteria Fungi Archaea Protozoa Algae Some bacteria and fungi – process of degradation Life existed on the planet-3.6 billion yrs. 5*10³º prokaryotes on Earth.
  • 3. Garbage:  The substance which are intended or required to be disposed off.  Waste management Lincensing Regulation 1994  extraction of impure materials –Handling of untreated garbage in processing the final product- during consumption or utilization or breakdown of product. Garbage formation in India:  62 million tons of waste annually In India 1.5 lakh metric tons of solid waste  1.975 million tons of e waste around 1.5 kg in our country Now 5.2 million tons increased per year. Swachh bharat or clean India Mission -2014 to 2019
  • 4. 41% 40% 6% 4% 4% 2% 2% 1% Chart Title 1 2 3 4 5 6 7 8 IN 2007 garbage in India Garbage formation worldwide Global waste production will increase by 70%  2.01 billion metric ton of municipal solid waste. 3.40 billion tos by 2050. Kuwait generates 5.72kg of waste per capita Arena Ghana 192,000 tons of e-waste annually. Indonesia 230000 tons of household waste every year Pakistan 202 hectares &5000 people & affects the life of 5 million people.
  • 5. Sources of garbage: Municipal waste Medical/clinical waste Agricultural waste Industrial waste E-waste Waste from constructions & demolitions Commercial source Biodegradable waste &non –biodegeradable waste: o Biodegeradable waste: Easily decomposed by bacteria & other natural do not contribute to pollution. o Non- biodegradable waste: It cannot be degraded or decomposed by the biological process or broken down by natural organism &add up to the pollution.
  • 6. PLASTICS: It is signified as “pliable & easily molded”. Categorization Polyethelene Tetrephthalate High –Density polyethylene(HDPE)  Polyvinyl chloride(PVC) Low-Density polyethylene(LDPE) Polyproylene(PP) Polystyrene or styrofoam(PS) Miscellaneous plastics. Packing Eg:  Mushroom packaging Liquid wood Seaweed-based packaging Pressed hay Banana leaves
  • 7. 1. GLASS 2. Alternative packaging material Types I. Bio-based type II. Petrochemical-based 3. Microbial degradation of plastics a) Bio-deterioration b) Bio-fragmentation c) Assimilation &mineralisation 4. Non-microbial degradation of plastics