1 / 13

Waste

Waste. What happens to the stuff you throw away?. Waste Stream . garbage. scrap. refuse. Found in landfills – garbage, trash, debris, sludge and ash. Trash. W aste. Water that is polluted with chemical or biological particles. litter.

morty
Télécharger la présentation

Waste

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Waste What happens to the stuff you throw away?

  2. Waste Stream garbage scrap refuse Found in landfills – garbage, trash, debris, sludge and ash Trash Waste Water that is polluted with chemical or biological particles litter http://www.youtube.com/watch?v=wMhm1vFnLkE&edufilter=lqw0X-nPLEGGIq07_ZVMHQ By-products of incineration (burning) or evaporation

  3. Residential Waste • Solid waste made by routine household activities. • Paper waste and food garbage • Does not include (typically can’t put these out with your trash) • home remodeling wastes • Home businesses • Appliances • Carpet or furniture • tires

  4. Can Waste be broken down? Biodegradable Non- biodegradable • Can be broken down into basic elements by normal biological process • Weathering –by heat, rain, wind and sunlight • Oxidation – oxygen combines with other elements • Decomposition – done by microorganisms • Resist being broken down by biological processes • Synthetic materials – fiber created from natural materials by chemical processes • Plastics • Glass • aluminum

  5. 3 R’s • Reduce - Waste reduction means reducing the amount of waste that we produce each day. Look for products that use the least amount of packaging. • Reuse -Reuse something before we either recycle it or throw it away. Storing food in reusable containers. • Recycle - process of taking a product at the end of its useful life and using some or all of it to make another product • What if it doesn’t end up in a landfill? • http://www.youtube.com/watch?v=aRDLK77h_oc&edufilter=lqw0X-nPLEGGIq07_ZVMHQ

  6. Waste in the St. Charles Area • NO landfills in St. Charles County • Your waste is hauled across the Missouri or Mississippi River • Fred Weber Landfill/Composting– Maryland Heights • St. Peters C.M.P.F. – St. Peters (material recovery facility (MRF) • Waste Management – Foristell (waste transfer station) • 1990 - 13 sanitary landfills in the St. Louis metropolitan area ( Missouri and Illinois) • remaining lifespan of 8.8 years. • One landfill was publicly owned. • 1995/1996 – 7 sanitary landfills in the region: three in Missouri and four in Illinois • All were privately owned and operated. • Since 1990, six sanitary landfills have closed and one has been decommissioned.

  7. Landfills • A landfill is a carefully designed structure built into or on top of the ground, in which trash is separated from the area around it. • contain garbage • prevent contamination between the waste and the surrounding environment • not designed to break down trash, merely to bury it • because they contain minimal amounts of oxygen and moisture, which prevents trash from breaking down rapidly • carefully filled, monitored and maintained while they are active and for up to 30 years after they are closed • What does a landfill look like? • http://www.youtube.com/watch?v=aRDLK77h_oc&edufilter=lqw0X-nPLEGGIq07_ZVMHQ

  8. Landfill diagram • http://www.advanceddisposal.com/garbage-101/education-zone/kid's-corner/landfill-diagram

  9. Landfills for Energy • Converting landfill gas to energy. • U.S. Environmental Protection Agency (EPA) has endorsed landfill gas as an environmentally friendly energy resource that reduces our reliance on fossil fuels, such as coal and oil

  10. Electric • Landfill gas is used as a fuel to generate electricity at small power plants at the landfill, or at a nearby industry, with the generated electricity delivered to a utility company.

  11. Alternative fuel — Landfill gas is piped to an industrial or commercial facility, where it is used for heating in place of, or in combination with, fossil fuels such as oil, coal or natural gas.

  12. Processed gas — Landfill gas is processed and cleaned to natural gas quality and delivered to transmission pipelines, to be used in normal applications for natural gas.

More Related