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역전기투석 스택의 유량에 따른 미생물 역전기투석 셀의 전기화학적 성능
트란 비엣 호아 흐엉(Viet Hoa Huong Tran),정석희(Sok-Hee Jung) 유기성자원학회 2019 유기성자원학회 학술발표대회논문집 Vol.2019 No.2019
An MRC is a bioelectrochemical system combining a microbial fuel cell (MFC) with a RED stack to generate electricity from salinity gradient and organic wastewater with simultaneous treatment. Operating an MRC at an optimum flowrate to RED is important because it is closely related with energy production rate and economic feasibility. However, influence of RED flowrates on MRC electrochemistry and power production have not been investigated. For this purpose, four different flowrates of high concentration and low concentration solutions were tested. Maximum power density was highest in 10 mL/min (3.71 W/m 2 ) and optimum current density was highest in 7.5 mL/min (5.36 A/m 2 ). By mere increasing the flowrate to MRC, maximum power and optimum current densities increased by 17.7% and 16.2%. EIS showed that impedances of anode, cathode and full-cell were decreased by 51%, 31% and 19%, respectively. Anode CV showed that peak current density was increased by 25.7%. COD removal and CE were not affected by RED flowrate. Power generation at 7.5 mL/min and 10 mL/min were not so different, but current production was better at 7.5 mL/min. Therefore, considering energy production, the RED flowrate of 7.5 mL/min is a reasonable choice for MRC operation.
흐엉 트란 티 한국가족법학회 2008 가족법연구 Vol.22 No.1
vietnam law of family and marriage has the rules about basic principles, concrete norms of law based on following the basic principles are formed. principle 1 : the marriage by the person’s agreement, monogamy system, the principles of equality between husband and wife. principle 2 : fair marital relations are protected by the statues, are not discriminated without reference to whether they are international marriages or not. principle 3 : all the children have the equal right of inheritance and also have the right of being raised and protected by their parents. principle 4 : nation, society and a home take a responsibility of taking women and children into care. this principle protects rights of wife and children who are minors and their fair profits when divorced couple separates their common property. principle 5 : husband and wife must follow the public policy about family plan. principle 6 : parents should bring up for children to be useful citizens in society. Children have to respect and keep up the parents. Grandsons should respect the grandparents and take care of them, and they have to support them. All the members at home should be interested in other members, and take care of each other, and help each other. Marital problems between Vietnam women and Korean men need the concern of government and society. For making this come true, we think like that : First : Vietnam government and Korean government should conclude the judical agreement about marriage hurriedly helping each other. Second : the part of Vietnam should stipulate more reinforced conditions for international marriage. Third : they(government and society) have to make bride-to-be and bridegroom-to-be know each other precisely. Fourth : they should establish appropriate policy which could make more jobs or improve the recognition level. Fifth : the government should improve the way of management about marital intermediary.
Tran Thi Huon(트란 티 흐엉) 한국가족법학회 2008 가족법연구 Vol.22 No.1
vietnam law of family and marriage has the rules about basic principles, concrete norms of law based on following the basic principles are formed. principle 1 : the marriage by the person’s agreement, monogamy system, the principles of equality between husband and wife. principle 2 : fair marital relations are protected by the statues, are not discriminated without reference to whether they are international marriages or not. principle 3 : all the children have the equal right of inheritance and also have the right of being raised and protected by their parents. principle 4 : nation, society and a home take a responsibility of taking women and children into care. this principle protects rights of wife and children who are minors and their fair profits when divorced couple separates their common property. principle 5 : husband and wife must follow the public policy about family plan. principle 6 : parents should bring up for children to be useful citizens in society. Children have to respect and keep up the parents. Grandsons should respect the grandparents and take care of them, and they have to support them. All the members at home should be interested in other members, and take care of each other, and help each other. Marital problems between Vietnam women and Korean men need the concern of government and society. For making this come true, we think like that : First : Vietnam government and Korean government should conclude the judical agreement about marriage hurriedly helping each other. Second : the part of Vietnam should stipulate more reinforced conditions for international marriage. Third : they(government and society) have to make bride-to-be and bridegroom-to-be know each other precisely. Fourth : they should establish appropriate policy which could make more jobs or improve the recognition level. Fifth : the government should improve the way of management about marital intermediary.