event 02 июля 2018

Case Study // Waste Management in Laguna Province, Philippines

By Martin Schaub and Jérémie Bertrand. When analysed with a Nexus perspective, solid waste can be transformed into precious energy and water resources and even other valuables can be extracted. The analysis undertaken in this report shows various waste facilities in the Philippines and their potential for improvement. For future new waste disposal techniques, four different solutions have been identified, taking into account the technical and financial possibilities of the respective waste management authorities.

category Implementation and Case Studies tag Governance tag Urban Nexus tag Economy tag Waste treatment globe Asia globe South and Southeast Asia globe Southeast Asia
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(C) GIZ

All options assume that recyclable substances are already segregated at household level. Those recyclables and reusable substances that are not segregated at the point of origin, should be separated and converted into usable products at the waste treatment plant. This could be for example compost for agricultural use, recyclable materials or substances with an optimal condition for energy recovery in industrial processes.

The basic idea for a waste management strategy in the Laguna Province is that there is one general treatment concept that comprises several process stages. These stages can be combined in such a way that each LGU gets the best-suited solution. Thus one concept can be used to cater for the different needs of the individual LGUs.

The proposed process stages that can be part of such a waste treatment concept are:

  • Decentralized concept: Locally-built, technically simple, for low waste quantities
  • Decentralized concept: Technically more sophisticated, for medium waste quantities
  • Centralized concept: Treatment plant for several cities, for larger waste quantities
  • Centralized concept: Energetic utilization of high calorific fraction and Refuse Derived Fuel (RDF)

In the following, centralised solutions for the urban areas and decentralized concepts for the rural areas shall be depicted as well as the processes and technologies involved and the CAPEX nd OPEX for these processes will be presented.

The study has been undertaken as part of the project "Integrated Resource Management in Asian Cities: The Urban NEXUS". Similar studies have been published for cities in India, Indonesia and Vietnam.

Also see the summary article "Urban Nexus // Waste: not a burden, but an opportunity to make money".

Download

Nexus Platform website

Published

May 2018

By

Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH

Further reading

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