지원사업
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.
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초록· 키워드
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The fibrous raw materials in packaging-grade paper production in Korea were mainly obtained from waste paper. The use of recycled paper has both positive and negative impacts in papermaking process. The primary positive impacts are the environmental protection and manufacturing cost reduction, and the negative impacts are the quality reduction in paper quality and the accumulation of heavy metals and other pollutants in wet- and dry-end process.
This study was carried out to consider the optimum acid decomposition system with the highest recovery rate for the analysis of heavy metals in packaging-grade paper. The open digestion system using Kjeldahl apparatus and the closed digestion system using microwave oven for decomposing the organic materials in paper were compared. In both open and closed digestion method, the combination of nitric acid, hydrochloric acid and hydrogen peroxide showed higher recovery rate than using only nitric acid alone because the presence of Cl? ions in hydrochloric acid stabilizes ligand formation with metal ions. KOCC was observed to have the highest heavy metal content among the recycled paper samples. The heavy metal contents decomposed with the closed digestion system were relatively higher than with open digestion system.
This study was carried out to consider the optimum acid decomposition system with the highest recovery rate for the analysis of heavy metals in packaging-grade paper. The open digestion system using Kjeldahl apparatus and the closed digestion system using microwave oven for decomposing the organic materials in paper were compared. In both open and closed digestion method, the combination of nitric acid, hydrochloric acid and hydrogen peroxide showed higher recovery rate than using only nitric acid alone because the presence of Cl? ions in hydrochloric acid stabilizes ligand formation with metal ions. KOCC was observed to have the highest heavy metal content among the recycled paper samples. The heavy metal contents decomposed with the closed digestion system were relatively higher than with open digestion system.
목차
ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
사사
인용문헌
참고문헌 (13)
참고문헌 신청
1. [보고서] - 김형진 / 2010 / 지류포장재의 유해중금속 국제환경규제 대응기술 개발, 청정생산기술개발사업 중대형과제 최종보고서 : 1 ~ 3
2. [학술대회논문] - Lee, H. L / 2000 / Effect of cylinder / condibelt drying methods on recycling of liner boards / Proceeding of Korean Technical Assosication of the Pulp and Paper Industry : 118 ~ 126
5. [학위논문] - Ko. S. T / 2009 / Quantitative analysis of heavy metals in paper using liquid-liquid extraction method / 석사 / Kookmin University
6. [기타자료] - / 2005 / BS EN 12497, Paper and board - Paper and board intended to come into contact with foodstuffs - Determination of mercury in an aqueous extract / British Standards : 1 ~ 4
7. [기타자료] - / 2005 / BS EN 12498, Paper and board - Paper and board intended to come into contact with foodstuffs - Determination of cadmium and lead in an aqueous extract / British Standards : 1 ~ 5
2. [학술대회논문] - Lee, H. L / 2000 / Effect of cylinder / condibelt drying methods on recycling of liner boards / Proceeding of Korean Technical Assosication of the Pulp and Paper Industry : 118 ~ 126
5. [학위논문] - Ko. S. T / 2009 / Quantitative analysis of heavy metals in paper using liquid-liquid extraction method / 석사 / Kookmin University
6. [기타자료] - / 2005 / BS EN 12497, Paper and board - Paper and board intended to come into contact with foodstuffs - Determination of mercury in an aqueous extract / British Standards : 1 ~ 4
7. [기타자료] - / 2005 / BS EN 12498, Paper and board - Paper and board intended to come into contact with foodstuffs - Determination of cadmium and lead in an aqueous extract / British Standards : 1 ~ 5
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UCI(KEPA) : I410-ECN-0101-2012-586-004189162