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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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이 논문의 연구 히스토리 (4)
2012
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Nowadays, the concern on the environmental load of bleaching process gave rise to the process of ECF(elemental chlorine free) and TCF(total clorine free). These sequences are based on oxygen-derived compounds such as oxygen, ozone, and hydrogen peroxide which is used as a typical eco-friendly bleaching agent.
In this study, paper mulberry pulp was bleached with hydrogen peroxide and some bleaching process were accompanied with ultrasonication in order to increase the bleaching efficiency.
The best bleaching efficiency of paper mulberry pulp was obtained in the condition of hydrogen peroxide and ultrasonication(20 kHz) bleaching system at 45℃ for 30 min. The brightness and kappa number of paper mulberry pulp were gained to 5.09% and 3.52 respectively. and yield was slightly loosed to 2%. Therefore, the efficiency of hydrogen peroxide and ultrasonication bleaching system of paper mulberry pulp was superior to the conventional hydrogen peroxide bleaching system. Magnesium sulfate acted as a bleaching stabilizer for the increasement of yield. As a result, the yield and viscosity were increased to 2.2% and 12% respectively.
In this study, paper mulberry pulp was bleached with hydrogen peroxide and some bleaching process were accompanied with ultrasonication in order to increase the bleaching efficiency.
The best bleaching efficiency of paper mulberry pulp was obtained in the condition of hydrogen peroxide and ultrasonication(20 kHz) bleaching system at 45℃ for 30 min. The brightness and kappa number of paper mulberry pulp were gained to 5.09% and 3.52 respectively. and yield was slightly loosed to 2%. Therefore, the efficiency of hydrogen peroxide and ultrasonication bleaching system of paper mulberry pulp was superior to the conventional hydrogen peroxide bleaching system. Magnesium sulfate acted as a bleaching stabilizer for the increasement of yield. As a result, the yield and viscosity were increased to 2.2% and 12% respectively.
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ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
사사
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참고문헌 (16)
참고문헌 신청
1. [학위논문] - Gehr. V. / 1994 / Untersuchungen zur Bleiche unterschiedlicher Altpapierstoffe fur die Herstellung hochwertiger Druck und Presspapier / 박사 / University Hamburg
2. [학술대회논문] - Sharpe, P. E. / 1995 / TCF bleaching of mixed office waste compositions / 1995 Recycling Symposium : 157 ~ 187
3. [보고서] - 김세종 / 2007 / 과산화수소에 의한 크라프트 펄프표백에 관한 연구
4. [학술지(정기간행물)] - A. Latorre / 2007 / Evaluation of the treatment efficiencies of paper mill whitewaters in terms of organic composition and toxicity / Environmental Pollution 147 : 648 ~ 655
5. [학술지(정기간행물)] - H. Fukazawa / 2001 / Identification and quantification of chlorinated bisphenol A in wastewater from wastepaper recycling plants / Chemosphere 44 : 973 ~ 939
2. [학술대회논문] - Sharpe, P. E. / 1995 / TCF bleaching of mixed office waste compositions / 1995 Recycling Symposium : 157 ~ 187
3. [보고서] - 김세종 / 2007 / 과산화수소에 의한 크라프트 펄프표백에 관한 연구
4. [학술지(정기간행물)] - A. Latorre / 2007 / Evaluation of the treatment efficiencies of paper mill whitewaters in terms of organic composition and toxicity / Environmental Pollution 147 : 648 ~ 655
5. [학술지(정기간행물)] - H. Fukazawa / 2001 / Identification and quantification of chlorinated bisphenol A in wastewater from wastepaper recycling plants / Chemosphere 44 : 973 ~ 939
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UCI(KEPA) : I410-ECN-0101-2013-586-001528803