SOLID WASTE MANAGEMENT PRITAM

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Slide 1:

Sant Tukaram English Medium School And Junior College - Pritam Kondar Class-XII Evs project

Solid waste ?:

Solid waste ? Solid waste includes Materials that are not economically useful, solid , liquid or gaseous form, which originate from wide range of human operation, such commerce, transport, agriculture, medicine and domestic activities. It contains food waste, demolition products, dead animals, manure and other discarded material .

Environmental impact of solid waste disposal:

Environmental impact of solid waste disposal Contamination of ground water and Surface water It favors fly breeding, attracts rodents and pests It is aesthetically unpleasant and generates foul odor Generation of methane and green house gases inside the waste dump Bird menace on the dump, which affect the flight of aircraft Transmission of disease through pests, stray animals and cattle

Open waste dumps :

Open waste dumps Abandoned piles of household garbage, bags of yard waste, appliances, old barrels, used tires, and debris such as lumber, shingles, pipes and asbestos can threaten the health of humans, wildlife, and the environment.

Open waste dumps – demerits:

Open waste dumps – demerits Open dumps create a public nuisance, divert land from more productive uses, and depress the value of surrounding land . Open dumps have become the feeding grounds for children from poor homes

Classification of Solid wastes:

Classification of Solid wastes Refuse Garbage Ash

Refuse:

Refuse Generated from street sweepings, markets, stable litter comprising of animal droppings and left-over feeds, Industrial refuse ranging from inert to toxic and explosive compounds Commercial refuse from retail stores, hotels, warehouses and offices.

Garbage:

Garbage A term used to describe animal and vegetable wastes resulting from the handling, storage, sale, preparation, cooking and serving of food It contains organic matter, which decomposes to emit foul odor and hence requires urgent disposal.

Ash:

Ash The residue from burning of wood, coal, charcoal, coke and other combustible materials used for cooking and heating purposes in domestic, commercial and industrial establishments Ashes consist of a fine powdery residue, cinders often mixed with small pieces of metal and glass

Plastics and their role in waste disposal:

Plastics and their role in waste disposal Organic polymeric materials Plastics are widely used in commercial and industrial sectors Plastics are not easily destroyed during waste management processes and are poorly biodegradable The chlorinated plastics emit toxic gases when thermally treated Plastics are known to clog or choke water lines, sewers or storm water drainage systems Easily blown by wind and litter the areas near waste dumps thereby

Solid Waste Management:

Solid Waste Management The activities associated with the management of solid wastes

Modern Waste Management Systems:

Modern Waste Management Systems 1. RE USE 3. RECYCLE 2. REDUCE

Waste Management Plan:

Waste Management Plan Sorting ‘ separation and storage of individual constituents of the waste materials ’ After sorting the waste is divided into the following streams : ● Dry recyclables ● Construction and demolition waste ● Biodegradable waste ● Bulky waste ● Hazardous waste ● Mixed wastes

Storage:

Storage Every household, shop, industry, commercial centre or establishment generates waste that it needs to be stored safely prior to giving it for collection educate the people to store waste at source, dispose waste as per directions of the local bodies and effectively participate in the activities of local authorities to keep the cities clean

Disposal of solid waste:

Disposal of solid waste Dumping Landfill Composting Incinertion

Dumping:

Dumping The refuse collected from the cities and municipal areas are dumped in the low-lying areas or open tracts of lands, usually by the roadside Disadvantage Lying in the open ground Encouraging breeding of flies Attracting rodents insects and birds causing a risk of transmission of diseases emits foul odors and is an aesthetic nuisance

Landfill (Controlled tipping):

Landfill ( Controlled tipping) Landfill (Controlled tipping) is a method of selecting depressed areas or creating artificial trenches where waste matter is thrown and compacted with a layer of earth on top of it This method is suitable if adequate land is available

Composting:

Composting It is a method where in the combined disposal of solid waste is carried out along with stable litter, night soil and sludge Compost is humus like material, which is generated due to the breakdown of organic matter under bacterial action, and is rich manure The compost could be sold at a price to agriculturists. Composting uses aerobic method of digestion

Vermicomposting:

Vermicomposting It is a method of disposal of kitchen and plate wastes, which serves the dual purpose of disposing off the garbage as well as proving eco- friendly

Incineration:

Incineration This is a process of disposal of solid waste material by thermal technology and has gained popularity in several developed countries Places where suitable land mass is not available Waste generated in hospital premises is disposed off in this manner in most countries

Incineration:

Incineration

Legal Framework:

Legal Framework The following acts and rules govern the disposal of solid wastes in India, published by the Ministry of Environment and Forests, which is the nodal Central Govt ministry responsible for the proper disposal of solid wastes : (a) Environment (Protection) Act 1986 (b) Bio-Medical Waste (Management and Handling) Rules1998 (c) Municipal Wastes (Management & Handling) Rules 1999

Best Practices….:

Best Practices…. Pune : Union of women waste-pickers collects for a fee both dry waste for recycling + wet waste into city bins or compost pits Nasik : Trucks move from one street-corner to another to have a city without street waste-bins Mumbai: Only wet waste lifted from hi-rises 27

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