Water supply and Sanitary engineering

Topic : Classification of solid waste

Name : Gagiya Narendra

What is solid wasteAny material that we discard, that is not

liquid or gas, is solid waste

Advantages of Classification of solid waste1. Easiness in Recycling2. Stable Collection system3. Proper Disposal

Major classification

1. Organic wasteThis waste is subjected to decay with time and evolve highly offensive odour and gases which are highly detrimental to health.it breeds flies, mosquitoes, etc. produces diseases like typhoid, diarrhea, etc.

2. Inorganic wasteThis consists of non-combustible materials such as grit, dust, mud, metal pieces, metal containers, broken glass, waste building material, etc.it is not subjected to decay and is therefore not harmful to public health.

Other Classification

1. Municipal waste2. Commercial waste3. Garbage4. Construction & Demolition waste5. Industrial waste6. Hazardous waste7. Agricultural wastes8. Biomedical/Hospital waste9. Plastics

1. Municipal Waste

• Municipal waste includes waste resulting from municipal activities and services such as street wastes, dead animals, market wastes.

2. Commercial Waste

• Included in this category are solid wastes that originate in offices, wholesale and retail stores, restaurants, hotels, warehouses.

3. Garbage

• Garbage is the term applied to animal and vegetable waste resulting from the handling, storage, sale, cooking and serving food.

4. Construction and Demolition Wastes:

Construction and demolition wastes are the waste materials generated by the construction, repair and demolition of houses. It mainly consists of earth, stones, concrete, bricks, lumber, roofing materials, plumbing materials.

5. Industrial Wastes

• In this category are the discarded solid material of manufacturing processes and industrial operations.

6. Hazardous Wastes

• Hazardous wastes may be defined as wastes of industrial, institutional or consumer origin which because of their physical, chemical or biological characteristics are potentially dangerous to human and the environment.

7.Agricultural Wastes

• includes both natural (organic) and non-natural wastes, is a general term used to describe waste produced on a farm through various farming activities like leaf, waste Vegetables & Fruits.

8. Biomedical/Hospital Waste

• Hospital waste is generated during the diagnosis, treatment, or immunization of human beings or animals or in research activities. It may include wastes like sharps, soiled waste, disposables, anatomical waste, cultures, discarded medicines, chemical wastes, etc.

9. Plastics

• Plastics, due to their versatility in use and impact on environment can be grouped under a different category of solid waste.

Thank you