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皮훌廢棄物인 Shaving scraps으로 부터 加水分解 彖白質의 製造및 禮性
김원주(Won-Ju Kim),조주식(Ju-Sik Cho),이흥재(Hong-Jae Lee),허종수(Jong-Soo Heo) 유기성자원학회 1997 유기물자원화 Vol.5 No.2
To examine of possibility protein recycling of shaving scraps contained chrome generated from manufacturing process of leather, the characteristics of hydrolyzed protein that differently treated with MgO as alkaline agent were investigated. 1n alkaline hydrolysis of saving scraps treated with MgO, MgO had to be treated over 5.0% to maintain over pH 8.0 that is insoluble of chrome. Under the condition of alkaline treated with MgO, the solubility of chrome is low with about 60%. The average molecular weight of hydrolyzed proteins from shaving scraps treated with MgO was about 80 ~ 100 KD. The amino acid contents of that were largely collagen proteins such as glycine , alanine and proline, and acidic amino acids such as aspartic acid and glutatamic acid. The contents of Mg, Ca and Na in hydrolyzed protein were too much as liquid fertilizer , and chrome contents was 30 ~ 40 ppm that largely decreased in comparing with raw materials (40, 000 - 42, 000 ppm).
Alkaline Inducing Agent 및 Alkaline Proteolytic Enzyme 혼용처리에 의한 Shaving Scraps 가수분해 단백질의 제조 및 특성
김원주(Won-Ju Kim),조주식(Ju-Sik Cho),이홍재(Hong-Jae Lee),허종수(Jong-Soo Heo) 유기성자원학회 1998 유기물자원화 Vol.6 No.1
To examine the possibility of protein recyding of shaving scraps containing chromium generated from manufacturing process of leather, the optimum hydrolysis conditions and the withdrawal methods of low molecular weight protein for using the liquid fertilizer sources by investigation of solubilities of hydrolyzed protein, inorganic nutrients contents and molecular weight distributions of hydrolyzed protein from shaving scraps treated with mixed alkaline inducing agents and mixed alkaline proteolytic enzymes induding MgO were investigated. 1n hydrolysis of shaving scraps treated with mixed alkaline inducing agents, the solubility of shaving scraps were dearly different with 65-85% according to the sorts of the inducing agents, and the degree of hydrolysis Was high in the order of NaOH, Ca(OH)2 and KOH. The average molecular weights of withdrawal hydrolyzed protein were 10, 40 and 80 KD treated with NaOH, Ca(OHh and KOH, respectively. And the chromium contents was about 15 ppm. In hydrolysis of shaving scraps treated with mixed alkaline proteolytic enzymes, the bility of shaving scraps were high in the order of alcalase, esperase and savinase. In c of treating 0.5% alcalase, the low molecular weight of hydrolyzed protein could be withdrawn. The solubility of the hydrolyzed protein was about 85%, the average molecular weight of the protein was below 1 KD and chrome content of the protein was below 10 ppm. 피혁제조시 발생되는 크롬을 함유한 피헥 고형폐기물인 shaving scrap의 단백질 자원화 가능성을 검토하기 위하여 MgO를 기본으로 하여 alkaline inducing agents 벚 alkaline proteolytic enzymes을 흔용처리하여 shaving scrap으로 부터 회수한 가수분해 단백질의 용해도,무기성분 함량,분자량분포 등을 비교 검토함으로서 최적 가수분해 조건 벚 액체비료의 원료로 활용하기 위한 저분자 단백질의 회수방안을 조사한 결과는 다음과 같다. Alkaline inducing agents의 혼용처리에 의한 shaving scrap의 가수분해 실험결과 7% MgO를 기본으후 하여 alkaline inducing agents 종류에 따라 65-85% 범위로 용해도 차이가 뚜렸하였으며,가수분해되는 정도는 NaOH>Ca(OH)2> KOH순으로 나타났으며, 획득된 hydrolyzed protein의 평균분자량은 NaOH처리시 약 10 KD, Ca(OHh 처리시 약 40KD, KOH처리시 약 80KD 이었으며,크롬함유량은 약 15ppm 이었다. Alkaline proteolytic enzymes의 혼용처리에 의한 shaving scrap의 가수분해 실험결과 alkaline proteolytic enzymes 종류에 따라 Alcalase> Esperase > Savinase순으로 용해도 차이를 보였으며, O. 5% Alcalase의 처리에 의해 용해도 85%수준,평균분자량 1KD 미만,크롬 함유량 10ppm 이하인저분자 형태의 hydrolyzed protein을 획득할 수 있었다.
김원주 ( Won Ju Kim ),김정호 ( Jung Ho Kim ),고승호 ( Seong Ho Ko ),김경호 ( Kung Ho Kim ),정민아 ( Min-a Jung ),이성로 ( Sung Ro Lee ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.1
본 논문은 컨테이너 터미널의 컨테이너 정보를 RFID를 통하여 획득하고 이 정보를 바탕으로 효율적인 선적․하역작업을 스케줄링하는 시스템에 관한 연구이다. 유비 쿼터스의 핵심기술인 RFID(Radio Frequency ID)전자태그 시스템을 이용하여 컨테이너를 효율적으로 선적 할 수 있게 돕고, 운송 과정에서 컨테이너의 실시간 관리가 가능한 시스템으로, 컨테이너 선적의 신속성과 정확성을 강화하여 컨테이너를 효율적으로 관리하는 것을 목적으로 한다.
김원주(Won Ju Kim),강규이(Kyu Yi Kang),유영민(Young Min Yoo),김혜리(Hye Lee Kim) 서울연구원 2014 서울연구원 정책과제연구보고서 Vol.- No.-
The Seoul Trail Project spans across 157km in eight different courses costing approximately 12.4 billion won from 2009 to 2014. The identity of the Seoul Trail can be defined as an urban scenic trail that is a ‘forest path for rest and relaxation that can be enjoyed with a purpose (completion, learning, healing)’. This study proposed management and operation plans with the completion of the Seoul Trail. Surveys were held for users of the Seoul Trail 4 and 5 course and examined the course suitability/facility arrangement to propose improvement plans and composed a management and consigned operation plan for administration through the two-tracked method of management and operation, while suggesting a road map. Furthermore, this study reflected regionality to the Seoul Trail for specialization and suggested contents to promote its usage. First, based on the user survey, it was found that there many elderly over 50 years of age residing near the Seoul Trail, they used it for the goal of health and healing, and the user satisfaction was for the most part high. Users wanted it to operate programs related to health, healing, leisure and relaxation, and for facilities, wanted installation of rest rooms and emergency facilities, and expressed the intent to complete the courses once its construction is finished. Second, for the appropriateness of the Seoul Trail course, its courses are long and required fragmentation, and at the fragmenting location, stamps are installed so that it can be linked to the transportation system. In addition, for the facilities of Seoul Trail, on-site studies of courses 4 and 5 courses were conducted and analyzed to identify the facility concentration and management status. Third, for the management and operation of the Seoul Trail, while being in the direction for the dualized system of management and operation, a gradual dualization will be pursued by year. For management, it is overseen by the city of Seoul and for each course, they are managed by the respective local government and park and greenification office, while the operation is consigned by course by organizing a HUB organization (tentatively called the Seoul Trail Network) that can oversee the operation of Seoul Trail. Furthermore, the ‘Seoul-road Team’ that is in charge of the Seoul Dodream-Road and a variety of other paths of Seoul shall be installed under the Seoul Green City to comprehensively manage the HUB organization. Fourth, specialization plans, contents development, PR and civil participation plans to promote the use of the Seoul Trail were proposed. By implementing the urban forest healing program at the Seoul Trail, it shall be operated in conjunction with the ‘Let’s Exercise, Seoul’ program, while finding historical and cultural story-telling themes for each Seoul Trail course, finding ‘art spots’ for installation arts, concerts and lectures, while promoting ecological specialization spots by linking up with regions with excellent eco-systems.