WASTE DISPOSAL

waste

things that are not needed and cannot be used or utilized anymore

solid waste

solid materials that have a negative economic value, that it will be cheaper to throw them away than reuse them

1. Household waste

2. Commercial waste

3. E-waste

4. Hazardous waste

5. Industrial waste

6. Building waste

7. Agricultural waste

8. Municipal waste

CATEGORIES OF WASTE

Household waste

discarded things from residential environment, apartment, and other kinds of dwelling

food, organic wastes

ex of household wastes

Commercial waste

waste from business establishments

leftover food, paper, cardboard, metals, plastic

ex of commercial waste

broken computer, mobile phone, TV, radio, air-con

examples of e-waste

Hazardous waste

solid waste or combinations of solid waste that may cause illnesses or death or pose a threat to human health or the environment

Industrial waste

produced through the processing or manufacturing of products such as metals and vehicles

food processing, metal finishing, and petroleum refining

ex of industrial waste

Building waste

wastes that come from the construction of roads, houses, buildings, and infrastructures

wood, metal, concrete, asphalt

ex of building waste

Agricultural waste

wastes that come from planting or harvesting crops, or trimming or pruning of plants

crops, plants, livestock

ex of agricultural waste

Municipal waste

generated from local government activities

street litter

examples of municipal waste

• Complex economic systems like production and consumption

• Urbanization

• Economic development

Problems on different kinds of waste are associated with

1. COLLECTION

2. COMPOSTING

3. INCINERATION

4. SANITARY LANDFILL

5. RECYCLING

6. SOURCE REDUCTION

processes of solid waste management

COLLECTION

removing or collecting solid waste from its source or storage point to the intended destination for segregation and treatment; expensive process

COMPOSTING

decomposition of organic waste with the help of bacteria and fungi; effective and efficient

INCINERATION

controlled burning of waste; aim: reduce volume of waste and convert heat to create steam that can be used in generating electricity

SANITARY LANDFILL

waste disposal site designed, constructed, operated, and maintained with utmost caution and control to avid causing harm to the environment

RECYCLING

usual segregation of materials or things under the category of waste; effective

SOURCE REDUCTION

involves product designing, manufacturing, or making use of materials that will reduce the volume and make the product long-lasting

• Contamination of surface waters and groundwater

• Air, water, and land pollution

• Methane gas produced from

  dumpsite adds to global warming

• Flooding in many areas because of clogged drainages and floodways

Effects on the Environment

• Diarrhea

• Helminthiasis or worm infection

• Typhoid or Paratyphoid

• Cholera

• Hepatitis A

• Skin diseases

Effects on human health

• AVOIDANCE, REDUCTION, AND REUSE

• SEGREGATION AND SOURCE

• SEGREGATED COLLECTION

• RECOVERY AND PROCESSING

• DISPOSAL

IMPLEMENTATION OF RA 9003

burying waste similar to landfills

minoan’s solid waste management

waste collection

indus’ solid waste management

laws on dumping waste

greeks and romans’ solid waste management

organized sanitary police

chinese solid waste management

solid waste management

proper handling of thrown materials