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Research polymeric hydrogels efficiency in the process of reclamation of landfill sites

Bartosz Wąsikowski

Abstract

The problem of landfills reclamation began to be recognized in the eighties of the last century however now it has gained a particular attention. Environmental review of landfills conducted in 2002 as well as analyzes included in Waste Management Plans have shown the need for closure and reclamation of numerous landfills in Poland. In addition, over the past few years, many landfills have been considered a nuisance to the environment thus without any possibility to adapt them to present law requirements. They will also be closed down and subjected to reclamation. The scale of the problem significantly increased as the number of "wild" (illegal) dumps have been discovered during Waste Management Plans preparation. One of the priorities of the National Environmental Policy is the reclamation of landfills. National Environmental Policy points to the need for land reclamation of brownfield sites and areas related to waste management - such as landfills, waste management plants, etc. The scope of this PhD thesis belongs to domain of landfill reclamation techniques. Its objective is to study the landfill reclamation technology, which is based on adding to the reclaimed soil so-called hydrogels, modern molecular weight polymers, enabling the water retention in the soil for extended period of time hence increasing the plants resistance to water stress. When applied on the reclaimed landfills hydrogels increase the soil reclamation efficiency. This work makes a systematic review of the subject literature on waste treatment hierarchy, legal issues related to waste disposal, waste storage, environmental hazard caused by waste disposal, methods of its elimination, landfills reclamation, impact of hydrogels on soil conditions and use of hydrogels in the process of landfill reclamation. The major part of this thesis is dedicated to the description and discussion of experiments assessing the impact that the presence of hydrogels in artificial soil has on the efficiency of the reclamation. In its conclusion, the thesis presents estimates of four performance measures for hydrogels reclamation and compares them with the same measures for soils commonly used in the landfills reclamation. Economic aspects of the application of the hydrogels for reclamation is also shortly discussed. Additionally, further research for soil reclamation with blends containing higher amounts of hydrogels is proposed.
Record ID
WUTfa7145ddffca4858994641eb678e663d
Diploma type
Doctor of Philosophy
Author
Bartosz Wąsikowski Bartosz Wąsikowski,, Undefined Affiliation
Title in Polish
Badanie efektywności hydrożeli polimerowych w procesie rekultywacji składowisk odpadów
Title in English
Research polymeric hydrogels efficiency in the process of reclamation of landfill sites
Language
(pl) Polish
Certifying Unit
Faculty of Environmental Engineering (FEE)
Discipline
environmental engineering / (technology domain) / (technological sciences)
Status
Finished
Defense Date
25-06-2014
Title date
08-07-2014
Supervisor
Internal reviewers
External reviewers
Barbara Gworek Barbara Gworek,, External affiliation of publication: Instytut Ochrony Środowiska - Państwowy Instytut Badawczy
Pages
207
Keywords in English
hydrogels, landfill reclamation, waste landfill
Abstract in English
The problem of landfills reclamation began to be recognized in the eighties of the last century however now it has gained a particular attention. Environmental review of landfills conducted in 2002 as well as analyzes included in Waste Management Plans have shown the need for closure and reclamation of numerous landfills in Poland. In addition, over the past few years, many landfills have been considered a nuisance to the environment thus without any possibility to adapt them to present law requirements. They will also be closed down and subjected to reclamation. The scale of the problem significantly increased as the number of "wild" (illegal) dumps have been discovered during Waste Management Plans preparation. One of the priorities of the National Environmental Policy is the reclamation of landfills. National Environmental Policy points to the need for land reclamation of brownfield sites and areas related to waste management - such as landfills, waste management plants, etc. The scope of this PhD thesis belongs to domain of landfill reclamation techniques. Its objective is to study the landfill reclamation technology, which is based on adding to the reclaimed soil so-called hydrogels, modern molecular weight polymers, enabling the water retention in the soil for extended period of time hence increasing the plants resistance to water stress. When applied on the reclaimed landfills hydrogels increase the soil reclamation efficiency. This work makes a systematic review of the subject literature on waste treatment hierarchy, legal issues related to waste disposal, waste storage, environmental hazard caused by waste disposal, methods of its elimination, landfills reclamation, impact of hydrogels on soil conditions and use of hydrogels in the process of landfill reclamation. The major part of this thesis is dedicated to the description and discussion of experiments assessing the impact that the presence of hydrogels in artificial soil has on the efficiency of the reclamation. In its conclusion, the thesis presents estimates of four performance measures for hydrogels reclamation and compares them with the same measures for soils commonly used in the landfills reclamation. Economic aspects of the application of the hydrogels for reclamation is also shortly discussed. Additionally, further research for soil reclamation with blends containing higher amounts of hydrogels is proposed.
Thesis file
  • File: 1
    Wasikowski.pdf
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Uniform Resource Identifier
https://repo.pw.edu.pl/info/phd/WUTfa7145ddffca4858994641eb678e663d/
URN
urn:pw-repo:WUTfa7145ddffca4858994641eb678e663d

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