Solid waste management

SOLID WASTE MANAGEMENT PREPARED BY: AELYA SHAH (36) ENVIRONMENTAL ENGG WHAT IS SOLID WASTE?  It is the unwanted or useless solid materials generated from combined residential, industrial and commercial activities. [...]... be maintained around 7 Integrated Solid Waste Management  (ISWM) takes an overall approach to creating sustainable systems that are    economically affordable, socially acceptable and environmentally effective This system involves the use of a range of different treatment methods REFRENCES:       http://www.cyen.org/innovaeditor/assets /Solid% 2 0waste% 2 0management. pdf http://www.unep.org/ietc/Portals/136/SWM-Vol1-Part1-Chapters1to3.pdf... treat waste Some commonly utilized thermal treatment processes  Incineration  Pyrolysis and Gasification  Open burning INCINERATION     It involves the combustion of organic waste for recovering energy  Combusting MSW in an incinerator does reduce volume by up to 90% and weight by 75% Incineration of waste materials converts the waste into ash, flue gas, and heat This is the combustion of waste. .. landfill is a facility in which solid wastes are disposed in a manner which limits their impact on the environment  A sanitary landfill is engineered to minimize water infiltration  This minimizes exposure to wind and rain  MSW, landfills often hold construction and demolition debris, municipal sludge, agricultural wastes, combustion ash SANITARY LAND FILL Biological waste treatment Composting  It.. .Waste reduction and reuse (methods of waste prevention) Include:  manufacturing products with less packaging,  encouraging customers to bring their own reusable bags for packaging,  encouraging the public to choose reusable products (cloth napkins reusable plastic & glass containers)  backyard composting etc RECYCLING  Recycling refers to the removal of items from the waste stream...   and fungi that break down organic matter In a period between four and six months, green waste is converted to compost ANAEROBIC DIGESTION  Same as composting  Composting can use a variety of microbes and must have air  Anaerobic digestion uses bacteria and an oxygen free environment to decompose the waste  Also used as a method of producing biogas which can be used to generate electricity... means of recovering energy to be used in heating or the supply of electricity Pyrolysis and Gasification They both decompose organic waste by exposing it to high temperatures and low amounts of oxygen  It produce gas (often termed syngas), liquid (pyrolysis oil) or solid (char, mainly ash and carbon) OPEN BURNING It is the burning of unwanted materials in a manner that causes smoke  Other emissions... http://www.cyen.org/innovaeditor/assets /Solid% 2 0waste% 2 0management. pdf http://www.unep.org/ietc/Portals/136/SWM-Vol1-Part1-Chapters1to3.pdf http://www.worldbank.org/urban /solid_ wm/erm/CWG%20folder/conceptualframework.pdf Understanding environmental pollution marquita k hill 2 nd edition page 257-258 http://www.epa.gov/epawaste/nonhaz/municipal/hierarchy.htm www.environment.gov.pk/PRO_PDF/ /Brief-SWM-%20Pak.pd THAnK-YOUUUU . SOLID WASTE MANAGEMENT PREPARED BY: AELYA SHAH (36) ENVIRONMENTAL ENGG WHAT IS SOLID WASTE?  It is the unwanted or useless solid materials generated from combined. y0 w0 h0" alt="" WHAT IS SOLID WASTE MANAGEMENT? “Generation, prevention, characterization, monitoring, treatment, handling, reuse and residual disposition of *solid wastes".  It is a. regulates all the wastes SWM AND TREATMENT METHODS:  Reduce, Reuse, Recycle  Thermal treatment  Dumps and Land filling  Biological waste treatment  Integrated Solid Waste Management Reduce,