DOC PREVIEW
ISU CE 326 - Lecture 6

This preview shows page 1-2-15-16-31-32 out of 32 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 32 pages.
Access to all documents
Download any document
Ad free experience
View full document
Premium Document
Do you want full access? Go Premium and unlock all 32 pages.
Access to all documents
Download any document
Ad free experience
View full document
Premium Document
Do you want full access? Go Premium and unlock all 32 pages.
Access to all documents
Download any document
Ad free experience
View full document
Premium Document
Do you want full access? Go Premium and unlock all 32 pages.
Access to all documents
Download any document
Ad free experience
View full document
Premium Document
Do you want full access? Go Premium and unlock all 32 pages.
Access to all documents
Download any document
Ad free experience
View full document
Premium Document
Do you want full access? Go Premium and unlock all 32 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 32 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

Municipal Solid WastesWhat is a solid wasteWhat is Solid Waste Management?Slide 4Trash to energySlide 6What is Integrated Solid Waste Management?Slide 8Quantities of Solid Waste ProducedOne year’s worth of solid waste from a single householdCharacterization of Solid WasteSlide 12Slide 13Other categoriesMSW Composition by MaterialMSW Composition by Product CategoryIntegrated Solid Waste ManagementSlide 18Slide 19Slide 20Slide 21Slide 22Slide 23Slide 24Slide 25Slide 26Slide 27Slide 28Slide 29Slide 30Slide 31Post ClosureCE 326 Principles of Environmental CE 326 Principles of Environmental Engineering Engineering Prof. Tim EllisProf. Tim EllisFebruary 4, 2008February 4, 2008Municipal Solid WastesMunicipal Solid Wasteshttp://www.pbase.com/globetrotter81/image/45798332What is a solid wasteWhat is a solid wasteall wastes from human and animal all wastes from human and animal activities that are normally s_____ or activities that are normally s_____ or semi-s_______ and are d___________ semi-s_______ and are d___________ (includes municipal, industrial, and (includes municipal, industrial, and hazardous wastes).hazardous wastes).http://www.pbase.com/globetrotter81/What is Solid Waste Management?What is Solid Waste Management?activities involved with theactivities involved with thereduction of g_____________,reduction of g_____________,c_____________c_____________What is Solid Waste Management?What is Solid Waste Management?s__________, s__________, t__________, t__________, p_________, and p_________, and d_____________ of solid d_____________ of solid wastes.wastes.Trash to energyTrash to energyWhat is Solid Waste Management?What is Solid Waste Management?solid waste solid waste management concerns management concerns public h__________, public h__________, e______________, e______________, e______________, e______________, conservation, conservation, aesthetics, and aesthetics, and other environmental other environmental considerations.considerations.What is Integrated Solid Waste Management?What is Integrated Solid Waste Management?S______ R______R______ and R___T__________D_______Activities designed to meet the hierarchy of MSW management objectiveshttp://www.pbase.com/globetrotter81/Waste GenerationWaste handling, separation, storage, and processing at the source:•shredding, baling•separation for recyclingCollectionTransfer StationProcessing Facility•recycling•resource recovery•incineration•compostingUltimate Disposal•landfillhttp://www.pbase.com/globetrotter81/Quantities of Solid Waste ProducedQuantities of Solid Waste Producedtotal production is approximately = _____ million total production is approximately = _____ million tons/yr (decrease of 1.6 M tons from 2004)tons/yr (decrease of 1.6 M tons from 2004)average solid waste generated per person = ___ average solid waste generated per person = ___ lbs/daylbs/daytotal production = _________ tons/daytotal production = _________ tons/daydensity = _____ lbs/yddensity = _____ lbs/yd33if placed in 3 foot layer, it would cover _____ sq. yds.if placed in 3 foot layer, it would cover _____ sq. yds.____ sq. miles____ sq. milesif placed in 1 cu. ft. stacks, it would rise ______ miles if placed in 1 cu. ft. stacks, it would rise ______ miles highhighOne year’s worth of solid waste One year’s worth of solid waste from a single householdfrom a single householdCharacterization of Solid WasteCharacterization of Solid WasteKind, composition, and source.MaterialProduct categoryCharacterization of Solid WasteCharacterization of Solid WasteTwo mains categories:G_________ animal and vegetable waste resulting from f______ preparation, originates primarily from k________ and r__________ large part of the putrescible matter in MSW, source of o_______Characterization of Solid WasteCharacterization of Solid WasteR__________: R__________: combustible and non-combustible combustible and non-combustible components of MSW components of MSW combustible fraction includes:combustible fraction includes:p_______, r______, cartons, boxes, furniture, tree p_______, r______, cartons, boxes, furniture, tree branches,etc. branches,etc. T_______ ____T_______ ____ is synonymous with combustible portion is synonymous with combustible portion of rubbishof rubbishNoncombustiblesNoncombustiblesincludes i_______ portion of rubbish: includes i_______ portion of rubbish: tin cans, tin cans, metals, metals, glass, etc.glass, etc.Other categoriesOther categoriesA________S_______ RefuseDead A__________Abandoned v____________I____________ Wastes (food processing wastes, lumber and metal scraps, shavings)D__________ Wastes (lumber, pipes, bricks, masonry)C_____________ Wastes (lumber, pipe, scraps)Special Wastes (includes hazardous substances, explosives, radioactive materials)W_____________Treatment Plant Residues (includes screenings and grit)MSW Composition by MaterialMSW Composition by Materialp_________ and paperboardg__________m_______ (steel, aluminum, other nonferrous metals)p__________r_________ and leathert___________w_________other m___________MSW Composition by Product MSW Composition by Product CategoryCategoryc_____________ and packagingn___________ goods (e.g., newspapers, “selected consumer electronics”)d___________ goods (e.g., appliances)y_________ trimmingsf__________ scrapsotherIntegrated Solid Waste Integrated Solid Waste ManagementManagementPriority is on s________ r____________Priority is on s________ r____________Second Priority following Source Reduction is Recycling Second Priority following Source Reduction is Recycling and Reuse.and Reuse._______% recycling rate in 1999 (64 M tons) vs. 32% in _______% recycling rate in 1999 (64 M tons) vs. 32% in 2005 (58.4 M tons MSW + 20.6 M tons compost)2005 (58.4 M tons MSW + 20.6 M tons compost)________ curbside recycling programs in 1998 vs. 8,550 ________ curbside recycling programs in 1998 vs. 8,550 in 2005in 2005________ yard trimmings and composting programs in ________ yard trimmings and composting programs in 1997 vs. 3,470 in 20051997 vs. 3,470 in 2005combusted for energy recoverycombusted for energy recovery2.7 M tons 19802.7 M tons 198029.7 M tons 199029.7 M tons 199033.4 M tons (13.6%) 200533.4 M tons (13.6%) 2005Least Favorable MSW Management Least Favorable MSW Management Activity: Ultimate Disposal (e.g., Activity: Ultimate Disposal (e.g., landfills)landfills)Number of landfills in U.S. continues to


View Full Document

ISU CE 326 - Lecture 6

Download Lecture 6
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Lecture 6 and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Lecture 6 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?