• Journal of Korea Society of Waste Management
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• v.35 no.7
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• pp.600-605
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• 2018

In this study, the combustion characteristics were investigated based on the biodrying solid recovered fuel (SRF) in a 5 Ton/day scale combustion boiler. The composition of the combustion gas containing the biodrying SRF was analyzed, the particulate matter, and its HCl content was determined with the air pollutant process test method. Mass balance, carbon balance, and combustion efficiency were calculated according to the equivalence ratio (ER) method; the energy recovery efficiency of the combustion boiler was also analyzed. The overall combustion efficiency of the biodrying SRF was 97.3 % and the energy recovery efficiency was 80.2%.

• Journal of the Korean Society of Combustion
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• v.1 no.1
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• pp.1-10
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• 1996

An effective scale-up methodology of fluidized bed incinerators for low calorific value industrial wastes such as paper sludge and sewage sludge has been developed based on the similarity rules. Conventional scale-up theories are briefly reviewed and a new simple theory defining the diffusion Fourier number is established taking account of the lateral mixing of fuels in the fluidized bed. From the design and the operating conditions of the pilot FBC plant at Inchon, important design data for the full-scale incinerators are calculated and discussed.

• Proceedings of the Korean Society for Applied Microbiology Conference
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• 1976.10a
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• pp.186.3-187
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• 1976

섬유소단세포단백의 공업적 생산을 위하여 실험적인 결과를 토대로하여 Jar Fermentor에 의한 scale up 실험을 하였고, pilot plant scale의 발효조를 이용하여 대량생산 실험을 하였는 바 그 결과를 발표하고자 한다. 1. 배양중 생성되는 유기산을 중화하기 위하여 주입되는 암모니아의 소비량과 균체농도는 배양종반을 제외하고는 거의 비례하였으며 암모니아소비량으로 균체생육 정도를 간접적으로 판단할 수 있었다.(중략)

• Proceedings of the Acoustical Society of Korea Conference
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• 1994.06a
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• pp.728-733
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• 1994

Scientific foundation for ultrasonic scale preventing devices construction was given in 40S-50S of this century but their production in former USSR was organized later in 70th. Several different principles of scale preventing is overviewed together with physical principles of ultrasonic method. Practical experience received in USSR in 80S is discussed. Technical decisions and inventions used for construction of the first device UZU-1 produced in Cheboksary plant are enumerated and principles of UZU-2 device are briefly sketched.

• Journal of Korean Society of Water and Wastewater
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• v.8 no.3
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• pp.9-18
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• 1994

Activated sludge pilot plant testing was conducted to determine the ability of a well-designed activated sludge treatment system to remove chromic toxicity from the bleached kraft pulp mill effluent. Removals of conventional(BOD and SS) and nonconventional(resin and fatty acids, color, AOX) pollutants were estimated. The pilot plant was operated at steady state for about 10 weeks at an F/M of 0.28 and a sludge age of 8.4 days. The average MLSS concentration was 4,309mg/l, of which volatile fraction was 57%. During the operation period, the BOD removal reaction rate(k) was determined to be 8.2/day at $30^{\circ}C$. The BOD removal was 84 percent, which was 3 to 6 percent lower than expected for full-scale treatment. The chronic toxicity of the activated sludge effluent was tested by employing both Dinnel and the BML protocols. It was found that the pilot plant could achieve in excess of 90 percent reduction in chronic echinoderm toxicity. The data show slight reduction of color and AOX across the activated sludge system. The pilot system, however, demonstrated on excellent removal of resin and fatty acids.

• Proceedings of the Korean Society of Plant Biotechnology Conference
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• 2003.10a
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• pp.150-150
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• 2003

• Proceedings of the Korean Institute of Building Construction Conference
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• 2019.05a
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• pp.230-231
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• 2019

The nuclear power plant construction project is large-scale, has various stakeholders and computer system, and is produced and managed a large amount of information. The domestic nuclear power plant construction project has accumulated data based on many years of experience in the system. It has the competitiveness to suggeest alternatives that meet the requirement of the client in the overseas nuclear power plant project. Earned value management, which integrates schedule and cost, is possible to risk management. It was developed the earned value management system considering the the actual data properties and types of the preceding nuclear power plant construction projects. It will be able to increase the nuclaer power plant export competieiveness. Therefore, it was palned to carry out future stuies so that it be able to complement the measure to integrate cost and schedule in consideration of actual data(quantity of activity, etc.).

• KSBB Journal
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• v.15 no.4
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• pp.337-341
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• 2000

The decanter is very useful to harvest biomass from plant cell cultures in large-scale process. It is very important to obtain high yield and low moisture content in recovered biomass so as to minimize solvent usage in subsequent extraction steps. Effluent clarity was also affected by the differential speed although this affect was more dramatic at higher flow rates than at lower flow rates. Moisure content was largely unaffected by flow rate. A decrease in moisture content was evident as differential speed decreased.

• Proceedings of the Korea Society for Energy Engineering kosee Conference
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• 2006.05a
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• pp.184-188
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• 2006

• 제어로봇시스템학회:학술대회논문집
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• 2000.10a
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• pp.204-204
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• 2000

This paper describes the development of training simulator for Hadong fossil Power Plant. The simulator was developed to train operator, test new control Logic and evaluate alternative operating procedure for expert engineer of control system. The most control logics such as Siemens TELEPERM ME and GE Mark V are translated directly from microprocessors. Those HMI are also directly emulated. The simulation was performed by ProTRAX modeling software. The paper discusses the configuration of simulator and the simulation results of 30%, 50%, 75% and 100% normal rate load test.