Ways and need of different types of bio medical waste management

1. Biological Waste
Management
Mijul Saxena
B-tech Chemical engineering

2. Contents
• Introduction
• Classification
• Sources
• Need of biomedical waste management
• Steps of waste management
• Disposal methods

3. Introduction
• Biomedical waste is the kind of waste that contains infectious materials.
• Biomedical waste may be solid or liquid.
• Biomedical waste is generated from biological and medical sources and
activities.
• Biomedical waste differ form general waste.

4. Classification
Biomedical
Waste
General
Biomedical
Waste
Infectious
Biomedical
Waste
Hazardous
Biomedical
Waste
Radioactive
Biomedical
Waste

5. Sources
Major Sources
• Hospitals or nursing homes
• Research laboratories
• Blood banks
• Slaughterhouses
• Mortuaries
• Autopsy centres
• Pharmaceuticals
Minor sources
• Clinics
• Home care
• Ear piercing businesses
• Paramedics
• Funeral services
• Medical Institutions
• Tattoo parlours

6. Who is at risk?
Doctors
and
nurses
Janitorial,
laundry and
refuse
workers
Sanitation
workers
Patients
General
Public ,
animals and
environment

7. Effects on human health
• Respiratory infections
• Herpesvirus
• Genital infection
• Anthrax
• Viral hepatitis
• Gastro enteric infections, etc.

8. Effects on environment
• Ground water contamination
• Surface contamination
• Bad odour, pests and wind blown litter
• Solid acidity
• Generation of inflammable gases
• Green house gas emission

9. Need of biomedical waste management
Source : Article BIOMEDICALWASTE MANAGEMENT by Dr. NAVPREET (Assistant Professor, Department of Community Medicine Govt. Medical College & Hospital,
Chandigarh)

10. Harmful
waste
Sharps
Needles, infusions
sets, scalpels, knives,
blades
Genotoxic waste
Cytotoxic drugs,
Genotoxic chemical
Pharmaceutical
waste
Expired
Infection waste
Waste from
laboratories, isolation
wards, operation
theatre, etc.
Pressurised
containers
Oxygen gas cylinders,
aerosol cans
Pathological waste
Body parts, blood and
other fluids
Chemical waste
Reagents, solvents
and disinfectants used
in laboratories
Metallic waste
Thermometers and
pressure gauge

11. Steps for waste management
Segregation
Collection and
storage
Transportation
Treatment
and
disposal

12. Reduction
Reuse
Recycling
Recovery
Disposal
Waste management hierarchy

13. Disposal Methods
• Incineration
• Mechanical Processing and Chemical Disinfection
• Microwaving
• Irradiation
• Vitrification
• Autoclaving
• Shredder
• Plasma pyrolysis
• Deep burial

14. Auto disabled syringes

15. Broken glasses disposal

16. Disposal of plastic waste

17. Disposal of disinfectants

18. Conclusion
• Public education and proper training should provided.
• Individual participation is required.
• Government and public should pay attention to disposal of waste.
• Spreading awareness about waste harmful impacts.

19. Thank you