Waste Management_Mayank Jain_IIM Calcutta.ppt

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Sudhir Nair

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1. Educate 2. Provide Dustbin Kits to classify waste to each household Dry Collect classified waste Wet Reduce volume by use of volume reduction technologies Dump Generate Energy/ Sell waste to energy generating plants ,[object Object],[object Object],[object Object],[object Object],Collect Fees Transportation Transportation Tie – up with manure companies Trained waste collection staff

 Our idea is to involve private entity in solid waste management & make waste sector as formal  Initially, waste were calculated on the basis of volume for the purpose of assessing required material and human resource  Overall estimation of money required to implement effective municipal solid waste management was evaluated based on its functional elements  SWOTs were analysed to formulate the planning of entity  Field survey had been taken to fix user fee  Financial analysis was done to look-into future of entity  On the basis of benefit-cost ratio, the project was proved as feasible

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solid waste managementAmit Nakli

On Monday 2nd March the Circular Economy Task Force co-hosted a conference with the Dutch Embassy in London on how to promote the trade in circular economy goods and services between the UK and the Netherlands. The Dutch ambassador Laetitia van den Assum welcomed an expert group of business, policy and academia representatives to a discussion organised around three issues: how policy can support a circular economy, how to deliver a ‘North Sea Resource Roundabout’, and what are the circular economy opportunities for plastics?

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I CSU Math Center 1-800-977-8449 x6538 [em.docx

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I CSU Math Center | 1-800-977-8449 x6538 | [email protected] Math Center Requests: Math Center Request Form Municipal Government & Transfer Station Problem: A municipal government has agreed to provide once per week waste collection services to a new residential community of 25,000 people. The city council has hired you to make a preliminary assessment to determine if they should build and operate a transfer station to support the collection. For the initial analysis, assume that the community does not have a recycling program. Here is some of the initial data that the municipal engineer has collected. * The round trip distance from the residential community to the landfill is 40 miles. * The size of the residential garbage truck that collects waste from the community is 30 cubic yards. * The round trip distance from the proposed site of the transfer station will be 45 miles. * The garbage truck is capable to compact the refuse to 700 lbs./yd3. * A long haul truck is capable to transport 25 tons of compacted waste per trip. * The transfer station has a fixed operating cost of $15/ton. * The cost to operate the garbage truck is $1.50/mile. * The cost to operate the long haul truck is $0.75/mile. (a) Would you recommend to the city council that a transfer station should be built and operated? Show all work on how you came to your answer. * The United Nations estimates waste generation rate is 4.8 lbs. per person per day. (See page 39 of the textbook) (b) If the community operated a recycling program, would this change or support your recommendation to the city council? Show all work on how you came to your answer. * Total recycled municipal waste is 33.2% of generation. Solution : (a) We will use the estimated waste generation rate of 4.8 lbs. per person per day in this calculation. Step 1 Residential waste generated = 25,000 people x 4.8 lbs. x 7 days = 840,000 lbs. or 420 tons person/day 1 week each week Step 2 Calculate the waste collected in each truck: 30 yd3 x 700 lbs. = 21,000 lbs. of waste collected per truck truck yd3 Step 3 Calculate the number of trucks needed: 840,000 lbs. = 40 trucks (round up) 21,000 lbs./truck Step 4 Determine the cost to travel to landfill by garbage trucks: 40 trucks x $1.50 x 40 miles = $2,400 per week week mile mailto:[email protected] https://mycsu.columbiasouthern.edu/student/forms/courses/math-center-request/ Step 5 Calculate the number of long haul trucks based on residential waste generated: 420 tons = 17 trucks (round up) 25 tons per truck Step 6 Determine cost to travel to transfer station by long haul trucks: 17 trucks x $0.75 x 45 miles = $573.75 mile .

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