“All wastes rise from human or natural activities which is solid, semi solid or liquid in container and which is discarded as useless or unwanted is called solid waste.”
SW is defined as hazardous (radioactive, pesticides, medical, poisons) which is health and life threatening; or non-hazardous (domestic, urban, mining, industrial, scrap metal) which is unsightly and disposal takes up much space.
It deals with controlled generation, storage, collection, transfer and transportation process and recovery and disposal of solid waste.
Classification of Solid Waste
Solid Waster Classification
- Municipal SW
Municipal SW “includes all the wastes generated from residential households, apartment buildings, commercial and business establishments, institutional facilities, construction and demolition activities, municipal services and treatment plant sites
- Commercial SW
Commercial SWs are “wastes that originate in wholesale, retail, or service establishments, such as office buildings, stores, markets, theaters, hotels and warehouses, which are usually discarded with residential SW.”
- Industrial Waste
Industrial wastes are “wastes generally discarded from industrial operations or derived from manufacturing processes.”
Recyclable resources are “materials that still have useful physical or chemical properties after serving a specific purpose and therefore can be re-used or recycled for the same or other purposes.”
- Residual Waste
Residual waste is mostly SW from private households not including bio-waste, potential recyclable and household hazardous waste (HHW).
- Organic Waste
Organic waste is the “biodegradable component of municipal waste (e.g. food and garden waste).”
- Bulky Waste
Bulky waste refers to “large worn-out or broken household, commercial and industrial items such as furniture, lamps, bookcases, filing cabinets and other similar items”
- Hazardous Waste and Substances
Hazardous wastes are “wastes that by their nature may pose a threat to human health or the environment,. Hazardous wastes include radioactive substances, toxic chemical, biological wastes, flammable wastes and explosives.”