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음식물찌꺼기 소멸효율 재고를 위한 발효균 및 발효 공정 최적화 연구
김영권,홍명표,김명진,홍석일,박명석,김종석,장호근,Kim, Young-Kwon,Hong, Myung-Pyo,Kim, Myung-Jin,Hong, Suk-Il,Park, Myung-Suk,Kim, Jong-Suk,Chang, Ho-Geun 유기성자원학회 1998 유기물자원화 Vol.6 No.2
186종의 후보미생물을 대상으로 우수발효(소멸)균 선발시험을 실시한 결과, Rhizopus sp., Galactomyecs sp., Pichia sp., Hyphopichia sp.로 구성되는 4종의 발효균을 선발하였다. 이들 발효균을 이용한 발효(소멸)공정 시험결과, 내용적 50L의 발효조에 대해서, BIO-CHIP Volume 25-30L, BIO CHIP입도 2.0-6.0mm, 송풍량 200-280L/min, 교반강도 24 rpm, 온도 $30-45^{\circ}C$가 최저 발효조건인 것으로 나타났으며, 이러한 조건에서 1일 1kg의 음식물을 30일간 투입하면서 소멸기를 가동한 결과, 93%의 소멸율을 나타내었다. 소멸기 배출물의 재활용 가치를 평가하기 위하여, 발아율 시험을 실시한 결과, 배출물을 적절하게 희석하여 사용하면, 퇴비로서의 가치가 매우 양호한 것으로 나타났다. For the effective disposal of organic food wastes, we seleted 4 strains of microorganism from 186 microbial candidate via enzyme activity test, salt tolerance, food decomposition rate, stability and safety of strains. The identity of these 4 strains are as follows : Fungi is Rhizopus sp., yeasts are Galactomyces sp., Pichia sp. and Hyphopichia sp., In the 50L fermenter scale, we tested various fermenting factor for the optimization of conditions of food waste decomposition using 4 selected strains. The optimum fomenting conditions were as follows : BIO-CHIP Volume 25-30 L, BIO CHIP size 2.0-6.0mm, air flow 200-280L/min, mixing intensity 2-4rpm, temperature $30-45^{\circ}C$. In these fermenting conditions, the efficiency of decomposition(rate of weight loss of food wastes) were 93%. Also the quality of fermenting output were assayed at the basis of fertilizer, and the results were as good as general compost.
김영권,김세미,김민규,최진택,남세용,Kim, Young-Kwon,Kim, Se-Mi,Kim, Min-Kyu,Choi, Jin-Taek,Nam, Se-Yong 한국환경보건학회 2009 한국환경보건학회지 Vol.35 No.6
Waste generation was generally expected to steadily rise due to a rapid increase in population and economic growth. However, regulations on disposable goods and a volume-based waste fee system have led to a gradual reduction in the amount of waste. In the case of food waste, separation of food waste from other waste has been put in place since direct landfilling was banned in January 2005. The predicted generation amounts of food waste and wastewater in the model city were 54 ton/d and 127.3 ton/d by year 2020, respectively. However, appropriate treatment technologies for food waste and wastewater discharged from food waste treatment processes are yet to be established. In this study, the food waste and wastewater discharged from food waste treatment process in the model city were characterized by literal and field investigation.
김영권,이재필,이말레,김경만,김기태,Kim, Young-Kwon,Lee, Jae-Pil,Lee, Mal-Rey,Kim, Kyung-Man,Kim, Ki-Tae 한국정보처리학회 1998 정보처리논문지 Vol.5 No.6
최근 인터넷의 정보가 폭발적으로 증가하고 있다. 사용자들은 인터넷상의 수 많은 정보중에서 자신이 원하는 정보를 찾기 원하지만 유용한 정보를 찾기란 쉬운 일이 아니다. 본 논문은 이러한 문제를 효율적으로 해결하기 위하여 사례기반 학습을 이용한 웹가이드인 개인형 웹 에이전트 시스템을 제안한다. 웹가이드는 인터페이스 시스템과 학습 시스템의 두 개의 부시스템으로 이루어져 있으며, 다른 웹 브라우저와 같은 작업을 수행하며 사용자를 시스템에 연결시켜 준다. 또한 인터페이스 시스템은 현재 페이지에 있는 데이터를 학습 큐에 전달한다. 학습 시스템은 학습 큐에 있는 각 페이지를 평가함수를 이용하며, 가중치는 HTML 문서의 문자로 사용된 태그를 분석하여 결정된다. 실험 결과 일바 사용자와 전문 사용자 모두 자신이 원하는 정보를 웹가이드를 이용하였을 경우가 그렇지 않았을 경우 보다 빠르게 얻을 수 있었다. Recently, massive amount of infonnation is provided for the internet users. So users want to search information on Internet, but it is difficult to search information what you want. In this paper, we propose a personal Web-agent system using Case-based learning, Web-Guide. Web-Guide consists of two sub-system, interface-system and learning-system. Interface-system operates other web-browser nearly the same and connects user to system. And interface-system transfer datas of current page to learning-queue. Learning-system visit and evaluate the value of each page in learning-queue using evaluation-function that gave weight values occupied by analyzing tag used the character of HTML document. After all users who are known about artificial intelligence well and not made experiments by using Web-Guide, they reached their desired sites faster than before.
최근 분리된 Aeromonads 의 감염양상 및 항생제 감수성에 대한 조사 연구
김영권 ( Young Kwon Kim ),검경숙 ( Kyung Sook Kim ),박성화 ( Sung Hwa Park ) 대한임상검사과학회 1993 대한임상검사과학회지(KJCLS) Vol.25 No.1
1) The frequency of annual isolation of Aeromonads continued to increase from 6 strains( 5. 1%) in 1985 to 20 strains(17.1%) in 1988 and 28 strains(23.9%) in 1990. 2) The frequency of isolation of Aeromonads continued by the specimens showed 31 strains (26.5%) from blood 26 strains(22.2%) from pus, 25 strains(21.4%) from ascitic fluid, 18 strains ( 1. 7 % ) from urine and each 1 strains ( 0. 9% ) from pleural fluid and stool. 3) The frequency of isolation of Aeromonads by age groups showed 48 strains( 41.0%) from 50-59 group, 5 strains( 4.3%) from above 70 and 1 strains( 0.9%) from 0-9 group. 4) The frequency of seasonal isolation of Aer-omonads showed 57 strains( 48.7%) in the summer and 13 strains(11%) in the winter. 5) Antimicrobial susceptibility test against Aer-omonads showed 90.2%, 89.2% and 84.3% sensitivity to gentamicin, chloramphenicol and tobramycin, respectively, and 76.5% resistence to ampicillin and cephalothine.