SCI 1102 Lecture Notes - Lecture 6: Landfill Gas, Waste Management, Mulch
Document Summary
Loc. on staten island; world"s largest landfill closed in 2001 and was reverted to natural landscape. Waste: unwanted material or substance that comes from human activity/process. Municipal solid waste: non-liquid waste from homes, institutions, & small businesses. Industrial solid waste: waste from production of goods, mining, ag, petroleum extraction, & refining. Hazardous waste: solid/liquid waste that is toxic, chemically reactive, flammable, or corrosive. Wastewater: used water from homes, businesses, or industries. Aims to minimize amt of waste generated (source reduction), recover waste materials & recycle them, dispose of waste safely & effectively; source reduction is the preferred approach. Waste stream: flow of waste as it moves from its sources toward disposal destinations. Recovery: recovering or removing waste from the waste stream; best strategy in wm. Recycling: used goods being manufactured into new goods. Composting: converting organic waste into mulch or humus through decomposition. Main components in us: paper, yard debris, food scraps, plastics; paper recycled most.
