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탈휘발 과정과 촤가스화 과정에서 목질계 바이오매스의 타르발생 특성
문지홍(Jihong Moon),이은도(Uendo Lee),류창국(Changkook Ryu),이영만(Younman Lee),배우근(Wookeun Bae) 한국연소학회 2011 한국연소학회지 Vol.16 No.1
Biomass gasification is a promising technology in terms of clean energy and flexible options for end use such as heat, steam, electricity, gaseous or liquid fuels. In a gasification process, reduction of tar is very important because it can cause any mechanical problems and small tar implies high energy efficiency. However, generation and conversion mechanisms of tar have not been fully understood due to its complex nature. In this study, characteristics of tar generated from different gasification stages were investigated. Korean pine woodchip was used as feedstock and tar was sampled in a separate way during devolatilization and char gasification stage, investigated. As a result, more various kinds of hydro carbon compounds were identified in the devolatilization stage than char gasification stage because primary tar compounds are released mostly from pyrolysis of cellulose and hemicellulose. When the reaction temperature increased up to 900℃, tar composition becomes simplified into about 10 aromatic compounds mostly with 1-4 rings without substitution up to phenanthrene. The sampled tar in the char gasification stage mostly contains 5-7 simple aromatic compounds.
Molten metal 유동층을 이용한 열분해 기초 실험
문지홍(Jihong Moon),전수지(Suji Jeon),황정호(Jungho Hwang),방병열(Byungryeul Bang),이은도(Uendo Lee) 한국연소학회 2014 KOSCOSYMPOSIUM논문집 Vol.2014 No.11
The feasibility of a molten metal as a bed material of a pyrolysis system was investigated. The molten metal has various advantages such as high thermal conductivity, wide operating range and low viscosity. Tin was selected since its physical characteristics are suitable for the purpose. As a results, it was found that pyrolytic oil yield and reaction rate were significantly enhanced with the molten Tin. In addition, oxygen component of the product oil was decreased due to Tin oxidation.
Molten metal을 이용한 산성가스 고온습식 정제반응 연구
문지홍(Jihong Moon),방병열(Byungryeul Bang),황정호(Jungho Hwang),이은도(Uendo Lee) 한국연소학회 2015 KOSCOSYMPOSIUM논문집 Vol.2015 No.5
The feasibility of a molten metal as a fluid material to purify gas was investigated. The molten has various advantages such as high thermal conductivity, wide operating range and low viscosity. Tin was selected since its physical characteristics are suitable for the purpose. Acid gases (H₂S, COS, CO₂, etc.) are produced in gasification process and must be removed due to corrosion. In this study, reaction characteristics for acid gas removal using molten metal were investigated by equilibrium calculation and fundamental experiments.
채무문제 해결을 위한 종합신용상담 운영 방안에 관한 연구
서인주 ( Seo Injoo ),문지홍 ( Moon Jihong ) 한국금융소비자학회 2019 금융소비자연구 Vol.9 No.2
본 연구는 현재 다양한 기관에서 제공되고 있는 신용관련 서민금융정책을 통합하여 일원화된 종합신용상담을 보다 효율적으로 운영하기 위한 방안을 모색하고자 시작하였다. 이에 본 연구에서는 현재 우리나라의 채무와 신용상담 현황을 파악하고 해외 주요국의 신용상담 사례를 분석함으로써 정책적 시사점을 도출하고 채무문제 해결을 위한 종합신용상담 방안을 제시하고자 한다. 본 연구 결과 도출된 주요 종합신용상담 방안은 첫째, 채무자 중심의 신용상담 확대이다. 즉 채무자가 처한 상황을 면밀히 분석하고 채무자의 상환능력을 넘지 않는 범위에서 채무자에게 가장 적합한 채무조정 방안을 지원하는 방안을 도입하는 것이다. 둘째, 국내 주요 이슈별 신용상담의 강화이다. 가계부채 및 주택담보 대출관련, 정책서민금융 및 고금리대출 관련, 학자금 대출 및 청년채무 관련 등 현재 우리사회의 주요 채무이슈를 중심으로 신용상담을 진행하는 것이다. 셋째, 사전적, 사후적 상담을 아우르는 통합적 신용상담이다. 현재 사후적 상담에 치우친 상담체제를 사전적 상담으로 전환하여, 사전예방과 사후관리까지 통합적으로 상담을 진행하는 방안이다. 이상의 결과를 실제 종합신용상담 운영 체제에 적용한다면 서민금융정책의 실효성 증진에 기여할 것으로 기대된다. This study was intended to devise ways to more efficiently operate a comprehensive credit counseling system which becomes unified by integrating credit-related smallloan finance policies that are currently offered by various institutions. To be specific, the purpose of this study is to derive policy implications by grasping the current status of debts and credit counseling in Korea and analyzing relevant credit counseling cases of major overseas countries and to present comprehensive credit counseling ways for solving debt problems. The comprehensive credit counseling ways suggested based on the results of this study are as follows. The first is to extend debtor-centered credit counseling, which involves precisely analyzing the situation faced by a debtor and providing the debt rescheduling service most suitable to the debtor within the range of his/her repayment capability. The second is to intensify credit counseling for each of pending issues in our society. This solution is centered on main debt issues involving household debts, housing mortgage loans, small-loan finance, high interest-rate loans, student loans, and youth debts. The third is to establish an integrated credit counseling system that encompasses both prior and follow-up counseling through a shift from the current system focusing too much on follow-up to an integrated system where counseling on prevention and follow-up management are provided. If these suggestions are applied to the actual operating system of comprehensive credit counseling, the effectiveness of the small-loan finance policies are expected to be enhanced.