Solid waste management

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SOLID WASTE MANAGEMENT Presented by: GOVIND RAM JAT II B.Tech JAGAN NATH GUPTA INSTITUTE OF ENGINEERING & TECHNOLOGY JAIPUR DEPARTMENT OF CIVIL ENGINEERING

INTRODUCTION :

Waste management is the collection, transport, processing, recycling or disposal and monitoring of waste materials. INTRODUCTION Collection Transportation Processing Disposal

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Waste - Defination & Classification Any material which is not needed by the owner , producer or processor Classification Domestic waste Agricultural waste Industiries waste Biological waste Miscellaneous waste

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Composition of solid waste

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Causes of solid waste pollution Over population Affluence Technology

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Collection of solid waste Community storage point The market ,school , cinema & hospital etc. are the chief sources of waste so the collection is done by fixed storage bin And the waste is collected by SWM to dispose it

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Collection of solid waste Kerb side collection Refuse containers are put along way , it is collected by SWM.

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Collection of solid waste Block collection Individuals bring the waste and hand it over to collection staff

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Transportation Rickshaws-van Wheeled Baskets Trailors Trucks

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Treatment Before the disposal of solid waste it is processed to recover Usable resources out of the solid waste Salvage Salvage process includes the separation of solid waste components To achieve the recovery and reuse of materials.(cardboard , high Quality paper, glass ,metal ,wood etc.)

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Treatment Compaction Incineration

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Disposal After the pre-disposal treatment the refuse is taken to the dumping ground The solid waste disposal method is done keeping in view following objectives 1.It should be economical . 2.It should not create heath hazards. 3.It should not cause adverse environment effects. 4.It should not be aesthetically unpleasant . 5.It should have opportunities for recycling of materials.

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Disposal Trenching In this method channel are made away from the from town. The size of the trench is 12m ×3m ×2m. The reaction is done by anaerobic bacteria . After six month the garbage is converted into manure .

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Disposal Land filling It is the most traditional method of waste disposal. Gases generated by the decomposing waste materials are often burnt to generate power . It is generally used for domestic waste .

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Disposal Incineration The process of burning garbage into ash is called incineration The garbage collected from hospital may contain bacteria Of various diseases so by combustion all bacteria are completely destroyed

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Disposal Pulverisation Grinding the garbage into powder It is used as manure

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Disposal Composting Fermentation the garbage mechanical. By this process we get fertiliser .

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Disposal Disposal into sea This is done in coastal areas. In this process garbage is discharged in the deep sea

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Economic Recovery of Solid Waste Waste utilisation contributes to economic dovelopement Waste utilisation generates employment opportunities Unused solid waste create environmental hazards Waste utilisation helps in conversion of natural sources Waste utilisation helps to generate many helpful products

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Waste Utilisation Techniques The modern concepts based on the three ‘R’s are: Reduce, Reuse and Recycle.

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Reduce Reduce excessive packing . Carry your own shopping bag Reuse Use product carefully & reuse .

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Recycle In this the material is used to convert in its original form

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Solid waste is hazardous to health so it has to be handled carefully and disposed properly in order to protect our health and to maintain good environment. conclusion

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THANK YOU

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