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WASTES TRANSFER AND TRANSPORT

WASTES TRANSFER AND TRANSPORT. What is a transfer station?. Facilities and appurtenances used to effect the transfer of waste from the one location to other, usually more distance, location.

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WASTES TRANSFER AND TRANSPORT

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  1. WASTES TRANSFER AND TRANSPORT

  2. What is a transfer station? • Facilities and appurtenances used to effect the transfer of waste from the one location to other, usually more distance, location.

  3. A waste transfer station is a light industrial-type facility where trash collection trucks discharge their loads so trash can be compacted and then reloaded into larger vehicles for shipment to a final disposal site, typically a landfill or waste-to-energy facility.

  4. Transfer Station • The transfer of wastes from one location to another – more distant location • Contents small collection vehicles are transferred to large vehicles to transport the waste over extended distances • Transfer and transport operation also used in conjunction with MRFs to transport recover material to markets/residue material and waste-to-energy facilities.

  5. The need for transfer operation • Transfer and transport operations become necessity when haul distance to available disposal sites increase. • Also become necessity when disposal sites cannot be reach directly by highway (sites in remote control). • Transfer station is integral part of all types of MRFs and MR/TFs • The time require for transportation is the key factor especially in the traffic congested city.

  6. Located between the disposal site & the centre of the city • The functions are volume reduction & sorting of waste for recycling • Additional factor that tend to make the use of transfer station includes: • The occurrence of illegal dumping due to excessive haul distances

  7. The use of small-capacity collection vehicles • The existence of low-density residential service area

  8. What Are the Benefits? • Reduces overall community truck traffic by • Offers more flexibility in waste handling and disposal options. • Reduces air pollution, fuel consumption, and road wear • Allows for screening of waste • Reduces traffic at the disposal facility. • Offers citizens facilities for convenient drop-off of waste and recyclables.

  9. Types of transfer station • Classified into three type • Direct load • Storage load • combined direct load and storage load

  10. Direct load • Small capacity • Wastes discharge directly into the open-top trailer to be use to transport to compaction facilities. • large capacity • The wastes in collection emptied directly into transport vehicle, or • The wastes in the collection vehicles are emptied temporarily onto unloading platform

  11. The wastes are then push into the transport trailers. • The new technology of direct-load transfer station, replace the use of open-top transfer vehicle with the compaction facilities. • The compaction facilities can be use to compact wastes into the transfer trailers.

  12. Storage load • Wastes are emptied directly into a storage pit then they are loaded into transport vehicles • Various types of auxiliary equipment are used to load the wastes into the transport vehicles. • The different between direct-load and storage-load is the capacity to store wastes.

  13. Combined direct load and storage load • Multipurpose facilities that service a broader range of users • It can be a materials recovery operation

  14. diagram

  15. The operation of transfer station Receiving process of solid waste trucks

  16. The operation of transfer station Delivery process

  17. The operation of transfer station

  18. Docking Process

  19. Docking Process

  20. Waste Compaction Process

  21. Control room

  22. Tractor Head Container

  23. Prime Mover

  24. Factors to be consider for location of transfer station. • As near as possible to the collection area. • easy access to highway • minimal public and environmental risk/objection • economical aspects • capacity of collection vehicle • storage space require • time require to unload the collection trucks

  25. number of trucks that will use facilities • transfer trailer capacity • operation hours • type of waste processes

  26. Site Selection • Site suitability depends on numerous : • Technical • Environmental • Economic • Social , and • Political • Large enough …….

  27. Natural buffer zone • Public concern … particularly from people living surrounding • Environmental justice consideration

  28. Motor Vehicle transport • Collection • Compactors • commonly use for door to door collection • Equipped with compacter facilities • capacity 12m3 • Use for the compactable waste

  29. Roll on roll off (RORO) • Top-open truck used for commercial and residential areas • For bulky and uncompactable wastes • Side loader • Without compactor • Manually door to door collection

  30. Open trucks • Used for transporting bulky & uncompactable wastes. • Used for door to door collection • Not recommended for garbage and refuse • Hand carts • Commonly use by the street sweepers

  31. Health and Safety Concerns? • Traffic, noise, dust and odor may exist around waste transfer stations. • Other problems that can result from an improperly designed or operated facility, include: • Rodents and birds. • Litter. • Air emissions.

  32. Environmental issue: • Traffic • Litter • Safety issue

  33. THANK YOU

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