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2021 | Book

Municipal Solid Waste Landfill Technology in Japan

Author: Dr. Sotaro Higuchi

Publisher: Springer Singapore

Book Series: Environmental Science and Engineering


About this book

Japan was ahead of the rest of the world when it introduced intermediate processing of municipal waste by such means as incineration in the 1960s. Owing to the small land area of the country and the difficulty in securing landfill sites, the incineration ratio of municipal combustible waste had reached 100% by the 1990s. Along with the landfill of incineration residues, proprietary technologies such as high salt leachate treatment, desalination treatment, by-product recycling, a focus on the resource of incineration residues, sea surface landfill sites, and covered type landfill sites have spread and developed since then.

This book describes the introduction of incineration facilities starting in the 1960s, landfill technology, and issues arising after 1990 following the introduction of the facilities. The necessity of a total system from incineration to landfill is explained as well. The volume is a valuable resource for countries that plan to introduce intermediate processing such as incineration and for countries that are developing a waste management policy.

Table of Contents

Chapter 1. The Transition of Landfill Technologies
According to it, the amount of emissions has increased until 2000, reaching a peak of about 50 million t annually and then turned to decline.
Sotaro Higuchi
Chapter 2. Issues and Measures for Landfill Technologies
The landfill technologies have developed with the changes of landfill waste materials, which changed with the upstream parts of a process, that is, collection process or intermediate processing system.
Sotaro Higuchi
Chapter 3. A Relationship Between Landfill Materials and Landfill Technologies
As mentioned above, landfill technology varies across landfill waste qualities. Japan started with whole amount landfill technology, and using a landfill technology for incineration residues, mainly composing inorganic substance at present. On the other hand, the developing countries began with sanitary landfill technology, and the technology transfer of Japan’s “semi-aerobic landfill” is underway.
Sotaro Higuchi
Chapter 4. The Role and the Technology for the Future Landfill Site
The landfill site takes several decades through the processing of during landfilling, completion of the landfill, and abolishment, it becomes a negative legacy of the area. Therefore, the kind of construction that can be abolished at an early stage and maintenance technology is required. For this purpose, it is necessary to utilize pre-treatment technology and post-treatment technology. In the case of new construction, positioning and early stabilization technology based on the scientific basis is required. In the case of the old landfill site constructed in the past, it is also necessary to be reprocessed by re-excavation and regenerate into one with new technology. The landfill technologies until now have not been linked with the technology of the incineration facility, and the landfill technology and leachate treatment technology cannot respond to the sophistication of exhaust gas treatment equipment in incineration facilities and the method of stabilizing fly ash. It takes a long time to stabilize the landfill layer. From now on, incineration facilities, crushing sorting facilities and landfill sites will need to function as a waste management system.
Sotaro Higuchi
Chapter 5. Conclusion
Technology for Japan’s final disposal is towards symptomatic treatment and post-treatment; it has been formed and developed through trial and errors. Japan is considered to be one of the countries with the most advanced technology even by international standards.
Sotaro Higuchi
Municipal Solid Waste Landfill Technology in Japan
Dr. Sotaro Higuchi
Copyright Year
Springer Singapore
Electronic ISBN
Print ISBN