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- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 한국토양비료학회 한국토양비료학회 학술발표회 초록집 The 9th International Conference of The East and Southeast Asis Federation of Soil Science Societies
- 발행연도
- 2009.10
- 수록면
- 16 - 19 (4page)
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Nanotechnology could be applied in environmental soil science with respect to slow-release fertilizers and organic and inorganic pollutant remediation. This paper reviews our work on naturally occurring and synthetic nanoporous materials as novel slow-release fertilizers to prevent pollution of surface as well as ground water. One synthetic and several naturally occurring zeolites (nanoporous, but strictly speaking they are "microporous" i.e., pores of <2nm) were loaded with NH<SUB>4</SUB>NO<SUB>3</SUB> and/or KNO<SUB>3</SUB> by an occlusion process in the void space of these nanoporous materials. Although NH<SUB>4</SUB> exchanged zeolites have been previously proposed as slow-release fertilizers, the idea of fertilizer salt occlusion in nanoporous materials is a novel idea as the latter process more or less doubles the nitrogen content of these slow-release fertilizers. Nanoporous synthetic laycred double hydroxides or anionic clays with nitrate ions in their interlayers have also been proposed by us as slow-release nitrate fertilizers. These fertilizers are not expected to be cost-effective for general crops but could be used for home lawns and golf greens. The design and synthesis of these slow-release fertilizers as well as their nutrient release properties for remediation of organic pollutants such as acetaldehyde, chlorinated organic solvents, organochlorine pesticides etc. The synthesis and property evaluation of these nanocomposites will be prsented.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2014-521-000652278