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Solid waste disposal
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- 2. WHAT IS SOLIDWASTE? ● Solid waste means any garbage, refuse, sludge from a wastewater treatment plant, water supply treatment plant, or air pollution control facility and other discarded materials ● Solid or semisolid, nonsoluble material, such as agricultural refuse, demolition waste, industrial waste, mining residues, municipal garbage, and sewage sludge.
- 3. EXAMPLES: o Garbage o Rubbish oDead animals o Large waste o Waste tires o Appliances and vehicles o Latex paints o Scrap metal
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- 5. MUNICIPAL WASTE Consist ofhousehold waste, construction waste, and demolition debris, sanitation residue, and waste from streets. With rising urbanization and change in life style and food habits, the amount of municipal solid waste has been increasing rapidly and its composition changing.
- 6. CLASSIFICATION OF MUNICIPALWASTE Biodegradable Vegetables Fruits Pulses Cereals Cloth Paper Non- biodegradable Plastic Iron Tires Aluminum Glass Metals
- 7. HAZARDOUS WASTE Hazardouswastes are those that can cause harm to human and the environment. • Toxic wastes: Toxic wastes are those that are poisonous in small or trace amounts. • Reactive wastes: Reactive wastes are those that have a tendency to react vigorously with air or water are unstable to shock or heat, generate toxic gases or explode during routine management. • Infectious wastes: Included human tissue from surgery, used bandages and hypoderm needles hospital wastes. Characteristics of Hazardous Wastes: • Corrosive wastes: Are those that destroy materials and living tissues by chemical reactions
- 8. BIO-MEDICAL WASTE Bio-medical wastemeans any waste, which is generated during the diagnosis, treatment or immunization of human beings or animals or in research activities pertaining thereto or in the production or testing of biological.
- 9. METHODS OF DISPOSALWASTE This process of waste disposal focuses attention on burying the waste in the land. Landfill is a type disposal method in which municipal solid wastes are burned at high temperatures so as as to convert them into residue and gaseous products. This process is also known as thermal treatment where solid waste materials are converted by Incinerators into heat, gas, steam and ash. is a easy and natural bio-degradation process that takes organic wastes i.e. remains of plants and garden and kitchen waste and turns into nutrient rich food for your plants. Incineration/Combustion Composting
- 10. Recovery and Recycling Resource recovery is the process of taking useful discarded items for a specific next use. Recycling is the process of converting waste products into new products to prevent energy usage and consumption of fresh raw materials. REDUCE - to buy less and use less. REUSE - elements of the discarded item are used again. RECYCLE - discards are separated into materials that may be incorporated into new products.
- 11. CAUSE AND EFFECTS •Solid waste thrown in streets, highways, and waterways can cause pollution when they are carried off by rainwaters run-offs or by flood to the mainstream or drainage. • Burning of industrial waste produce furans, droxins, that are harmful to human beings. • Toxic substances may contaminate the groundwater
- 12. SOLUTIONS Compost yourwaste Composting waste in an option for getting rid of your household waste. You can compost lots of items. Anything that that is organic can be composed. Recycling Recycling waste is another option for getting rid of waste. Buy products that are good for the Environment Instead of purchasing those plastic pop bottles, find a way that you can buy things that are more environmentally friendly.