waste management for quality control

1. WASTE
MANAGEMEN
T

2. INTRODUCTION
DEFINITION
All those activities and action required to
manage waste from its inspection to its final
disposal .
However in the new concepts the WASTE
MANAGEMENT talks about ‘Reuse’ , ‘Reduce’
and ‘Recycle’ of the waste.

3. TYPES OF WASTE

4. EFFECTS OF WASTE
ENVIRONMENTAL EFFECTS :
•Surface water contamination .
•Ground water contamination.
•Soil contamination.
•Air contamination.
ECNOMIC EFFECTS :
•Municipal wellbeing.
•Recycling revenue.

5. METHOD OF WASTE
DISPOSAL
i. COMPACTION
The waste is compacted or compressed.
It also breaks large or fragile items of waste.

6. ADVANTAGES
•Discourages Scavengers.
•Saves Labor.
•Reduces Collection Costs.
•Reduces Insect/Rodent Problems.
•Prevents Windblown Trash.
•Reduces Fire Hazard.
•Controls Odor.
•Saves Inside Storage Space and Outside
Parking Spaces.

7. METHOD OF WASTE DISPOSAL
II. PYROLYSIS
Pyrolysis is defined as thermal degradation of waste in
absence of air to produce charcoal, pyrolysis oil and
syngas e.g the conversion of wood to charcoal.

8. ADVANTAGES
• Simple and inexpensive
•Low cost technology
•Capable of processing wide variety feed stock
producing biogas , bio oil and charcoal.
•Reduces green house gas emission and waste going
to land fill.

9. METHOD OF WASTE
DISPOSAL
iii. LAND FILL
It is the most traditional method of waste disposal and
waste in it is directly deposited into quarries ,mining
voids or borrow pits.

10. ADVANTAGE
•Site is a cheap waste disposal option for local
council.
•Jobs will be created for local people.
•Gases given off by land fill site can be collected
and could be used for generating power.

11. METHOD OF WASTE
DISPOSAL
iv. INCINERATION
It is a waste treatment process that involves the combustion of
solid waste at 1000 c.

12. ADVANTAGE
•INCINERATION of waste reduces weight by 75%
and volume by 90%.
•Heat from burning trash can be used to produce
electricity.
•Toxic gases and ash is removed.

13. WASTE REDUCTION
METHOD
•Substitute disposable goods with reusable ones.
•Reduce use of non bio-degradable plastic.
•Minimize packaging.
•Donate unwanted items.

14. FINAL CONCLUSION
•The involvement of people and public sector could
improve the efficiency of solid waste management.
•Public awareness.
•Availability of collection bins with enough space.
•Storage facility to avoid unhygienic and unsanitary
condition.