Waste Production and Management PDF

Waste Production and Management STEM – Earth Science Mr. Mark Lester M. Cabaluna Quezon City Science High School Lesson Outline 2 Lesson Outline Waste Production Definition of Terms Classification of Waste Environmental Impacts of Waste Types of Waste and Its Ef...

Waste Production and Management STEM – Earth Science Mr. Mark Lester M. Cabaluna Quezon City Science High School Lesson Outline 2 Lesson Outline Waste Production Definition of Terms Classification of Waste Environmental Impacts of Waste Types of Waste and Its Effects Waste Disposal and Effects to Environment 3 Waste Production Definition of Terms 4  Definition of Terms » A leachate is a liquid that has dissolved or entrained environmentally harmful substances (contaminated fluid). » Eutrophication - excessive richness of nutrients can cause algal blooms (dense growth of plant life), which can be detrimental to animal life due to lack of oxygen. » Siltation - pollution of water by silt or clay. Siltation can have a negative impact on flora and fauna. It can cause smothering of filter feeders, as well as an increase in the turbidity of waters (decrease light penetration). 5 Waste Production Classification of Waste 6 Classification of Waste 7 Environmental Impacts of Waste Types of Waste and Its Effects 8  Industrial waste Waste released from manufacturing plants, such as chemical plants, cement production, textile industries, metallurgical plants, textile, food processing, Types of Waste and Its power plants, etc Effects 9  Types of Waste and Its Effects » Agricultural waste Excess use of fertilizers and pesticides can cause land and water pollution. Rice paddies release methane to the atmosphere. Excess excrement from poultry and other livestock can cause eutrophication of bodies of water. 10  Types of Waste and Its Effects » Mining waste Waste generated from the exploitation of mineral resources Overburden material - ground (soil and rock) that is removed to extract the mineral deposit. Release of overburden material to the environment as a result of improper management can cause siltation of bodies of water. Acid mine drainage - water that has come to contact with oxidized rock or overburden that contains sulphide material (coal, zinc, copper, and lead). When acid mine drainage is not properly managed, it can find its way into waterways and the ground water. High pH waters can be detrimental to plant and animal life. Acid mine drainage is also associated with the release of heavy metals to the environment. 11  Types of Waste and Its Effects » Biomedical Waste Waste generated by hospitals and other health care institutions This type of hazardous waste includes infectious waste and chemical waste dangerous to people and the environment. 12 Environmental Impacts of Waste Waste Disposal and Effects to Environment 13  Waste Disposal and Effects to Environment » Landfills This process of waste disposal focuses attention on burying the waste in the land. It gives rise to air and water pollution which severely affects the environment and can prove fatal to the lives of humans and animals. » Incineration Incineration or combustion is a type disposal method in which wastes are burned at high temperatures so 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. 14  Waste Disposal and Effects to Environment » Effects of Improper Disposal Some of the possible hazards associated with improper waste disposal: Pollution of bodies of waters, such as rivers, lakes, the marine environment, and ground water Loss of habitat from pollution of environment Clogging of waterways /drainage system (canals, rivers, and streams) which can cause flooding Unsanitary conditions leading to the spread of disease and pests that carry disease Burning of waste can release toxic gases (formaldehyde, hydrogen chloride, sulfur dioxide, dioxins, and furans) Unsightly and destroys the natural beauty of the environment 15 Thank You References 17 References Alameda County Waste Management Authority & Source Reduction and Recycling Board. (1997). Do The Rot Thing: A Teacher's Guide to Compost Activities. Retrieved from http://www.cvswmd.org/uploads/ 6/1/2/6/6126179/do_the_rot_thing_cvswmd1.pdf Asian Development Bank. (2004). The Garbage Book. Retrieved from http://www.adb.org/sites/default/files/publication/293 01/garbage- book.pdf Biology Discussion. (n.d.). Wastes: Sources, Classification and Impact. Retrieved from http://www.biologydiscussion.com/wastes/wastes- sources-classification-and-impact/70 Carlson, D. H., Plummer, C. C., & Hammersley, L. (2011). Physical Geology: Earth Revealed. McGraw- Hill. Department of Environment and Natural Resources. (2003). Metro Manila Solid Waste Management Project (1). Retrieved from http://119.92.161.2/portal/Portals/38/adb/Report%201 %20- %20Summary.PDF (Desonie, D. (2015). CK-12 Earth Science High School. Retrieved from http://www.ck12.org/earth-science/ 18