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이종연(Lee Jong Yeon),강석형,김상중(Kim Sang Jung),강석재(Kang Seok Jae),성호진(Sung Ho Jin),유영돈(Yoo Young Don),윤용승(Yun Yong Seung) 한국에너지기후변화학회 2008 에너지기후변화학회지 Vol.3 No.1
In order to utilize incineration waste heat from industrial wastes, survey of the waste heat utilization status for each incineration site, suggestion of its utilization methods, analysis of cost-benefit for the methods, and suggestion of support policy were conducted. Utilization ratio of surplus heat from industrial wastes was 54%. The surplus heat is equivalent to the calories of 141,000 ㎘ heavy oil resulting in reduced its import of 54.3 billion won. For 12 incineration sites, useful utilization methods are district heating, temperature control of process, treatment of landfill leachate, and sewage dry depending on site conditions. To increase utilization of waste heat, improved systems (e.g. realization of a feed unit cost, approval of CDM business, incentive for a green company designation, etc) and economic supports (e.g. a low interest loan, a government subsidy, an increased investment tax credit, etc) were suggested.
이승종(Lee, Seung-Jong),황상연(Hwang, Sang-Yeon),유영돈(Yoo, Young-Don),윤용승(Yun, Yong-Seung) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.06
The acid gas removal (AGR) system was designed and installed to remove H₂S in coal syngas in the pilot-scale coal gasification system for producing chemicals like Dimethyl Ether(DME). The syngas from the coal gasification at the rate of 100{sim120 Nm³/hr included pollutants such as fly ash. H₂S, COS, NH₃, etc. The designed temperature and pressure of the AGR system are below 50oC and 8 kg/cm². Fe-chelate was used as an absorbent. H₂S was stably removed below 0.5 ppm in the AGR system when the concentration of H₂S was 150{sim}450 ppm. The pH of Fe-chelate solution was also stably maintained between 8{sim}9. FeMgO absorbent was also tested to remove H₂S in the lab-scale AGR system and H₂S was also removed below 0.5 ppm in the initial operation.
고정층 가스화 용융로에서의 고상폐기물 가스화 합성가스 생산 및 가스엔진 발전 연구
구재회(Gu, Jae-Hoi),김수현(Kim, Su-Hyun),유영돈(Yoo, Young-Don),윤용승(Yun, Yong-Seung),이협희(Lee, Hyup-Hee),남상익(Nam, Sang-Ik),윤재관(Yoon, Jae-Kwan) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.06
The 3 ton/day-scale pilot plant consists of compressor, feed channel, fixed bed type gasification & melting furnace, quench scrubber, demister, flare stack and gas engine. Syngas composition of gasification using the 35.50(waste I), 4.34%(wasteII) moisture-containing solid waste showed waste I CO 25-35%, 20-40% hydrogen, waste II 25-35%, 20-30% hydrogen. Gasification melting furnace was operated 1,500{sim}1,600^{cdot}C. Gas engine was generated 35{sim}40 kW as waste gasification syngas.
‘N’ 자원회수시설 광역화에 따른 소각량 증대 운영 결과
최종균(Chong-Gun Choi),이후만(Hu-Man Lee),박관선(Gwan-Sun Park),임문재(Mun-Jae Lim),윤용승(Young-Sung Yun),이승무(Seung-Mu Lee),이수구(Su-Goo Lee),신동훈(Donghoon Shin) 한국연소학회 2008 KOSCOSYMPOSIUM논문집 Vol.- No.-
Facility safety verification and improvement needs to apply extra incineration rate of 'N' MSW incinerator with neighbor local governments for cooperative utilization. The purpose of this paper is to estimate the propriety incineration rate through operation data from the single or couple unit working test in the existing facilities. The problems during the various incineration rate operations are investigated by the dioxin measurements process temperatures and computational fluid dynamics (CFD) simulation. As the incineration rate increased, the gas temperature of furnace exit increase accordingly, which reaches above 1000 ℃ at 80 % incineration rate. The flue gas temperature at the superheater inlet reached the peak temperature of 660 ℃ at over 80 % incineration rate. As the incineration rate increased, CO emission shows low relationship, but NOx is straightly increase with the incineration rate and the peak is 35 ppm at 83 % incineration rate. The dioxin is satisfied with the standard regulation, but results are more than the target(0.01 ng-TEQ/N㎥). CFD is used of find the reason of generation at clinker of combustion chamber wall when the incineration rate is above 75 %, and these results show that the study for cooling of the combustion chamber and the more suitable flow pattern needs to increase incineration rate.