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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.12
- 수록면
- 379 - 386 (8page)
이용수
초록· 키워드
오류제보하기
Calcined clay granules (pellet) have been used as a soil conditioner. The space among the pellets can secure drainage of water in soil and, simultaneously, can keep water for plants in the inner pore of that. However, the usage of the pellet has been restrained because fabrication of that requires a high energy and cost for heating over the temperate of 1000℃. Recently, SCS(Self-propagating Combustion and Sintering) method was developed and this method use the combustion energy of the preliminary mixed combustible. The SCS method is suitable to fabrication of small porous aggregate and requires a very low cost. This research applied the SCS method to coal refuses for fabrication of soil conditioner pellets. The coal refuses were pulverized under the size of 100㎛ and the pulverized powders were pelletized to the size of 4~6mm. The pellets were heated at the temperature of 1200℃ in the SCS furnace that was specially prepared for this research. Characteristics of the pellets were investigated and were compared with that of ordinary calcined clay pellet of kaolin; porosity, pore size distribution, bulk density, pH and etc.. Characteristics of the moisture retention in the pellets were measured by the centrifugal method: ASTM D425-88. The pellets of the coal refuses showed the higher values of the field capacity and the plant-available water than that of kaolin pellet. These results suggest the very low cost process that can utilize the coal refuses and can fabricate the lightweight porous soil conditioner of the very high plant-available water.
목차
서언
재료 및 방법
결과 및 고찰
요약
사사
인용문헌
참고문헌 (15)
참고문헌 신청
1. [학술지(정기간행물)] - Han, D.J. / 1997 / Fundamental study on adsorption capacity and utilization of coal waste as adsorbents / J. of KoSES 2 (2) : 61 ~ 72
2. [보고서] - Hong, S.W. / 2000 / A study on the manufacturing of light weight aggregates process for structural concrete form fly-ash. Research Report of Ministry of knowledge Economy, Republic of Korea
3. [학술지(정기간행물)] - Hyun, J.Y. / 2005 / Utilization of a coalpreparation refuse as a raw material for clay brick / J. of Korean Inst. Of Resources Recycling 14 (4) : 3 ~ 9
4. [학술지(정기간행물)] - Hyun, J.Y. / 2006 / Development of fired clay bricks by coal-preparation refuse / J. of the ceramic Soc. of Japan 114 (5) : 404 ~ 407
5. [학술지(정기간행물)] - Jerry G.R. / 1982 / Processing and material properties of energyefficient sintered coal refuse lightweight aggregate / Resources and Conservation 9 : 119 ~ 129
2. [보고서] - Hong, S.W. / 2000 / A study on the manufacturing of light weight aggregates process for structural concrete form fly-ash. Research Report of Ministry of knowledge Economy, Republic of Korea
3. [학술지(정기간행물)] - Hyun, J.Y. / 2005 / Utilization of a coalpreparation refuse as a raw material for clay brick / J. of Korean Inst. Of Resources Recycling 14 (4) : 3 ~ 9
4. [학술지(정기간행물)] - Hyun, J.Y. / 2006 / Development of fired clay bricks by coal-preparation refuse / J. of the ceramic Soc. of Japan 114 (5) : 404 ~ 407
5. [학술지(정기간행물)] - Jerry G.R. / 1982 / Processing and material properties of energyefficient sintered coal refuse lightweight aggregate / Resources and Conservation 9 : 119 ~ 129
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UCI(KEPA) : I410-ECN-0101-2014-521-000784482