Solid SCR용 암모니아 저장물질인 Magnesium Ammine Chloride의 합성방법 및 물질특성 연구

국문 초록 (Abstract)

질소산화물 저감에 사용하는 solid SCR용 고체상 암모늄 저장물질의 하나인 magnesium ammine chloride에 대한 실험실 규모에서의 제조방법과 제조한 물질의 분석연구를 수행하였다. 기저물질인 염화마그네슘에 암모니아 가스를 흡착하기 위한 실험조건의 도출을 위하여, Van"t Hoff Plot으로 평형압 선도를 계산하였고, 간이반응기를 제작한 후, magnesium ammine chloride를 제조하였다. DA, IC, FT-IR, XRD, SDT 등으로 제조한 시료의 성분을 분석하였고, 제조한 시료에 수분이 존재한다는 것을 알 수 있었다. 암모니아 가스 흡착률을 증대하기 위하여 수분 제거에 적절한 새로운 실험방법을 제안하였고, 제안한 방법을 적용한 결과, 암모니아 가스의 흡착률이 대략 100%에 도달하였다.

다국어 초록 (Multilingual Abstract)

Among various ammonium salts and metal ammine chlorides used as solid materials for the sources of ammonia with solid SCR for lean NOx reduction, magnesium ammine chloride was taken up for study in this paper because of its ease of handling and safety. Lab-scale synthetic method of magnesium ammine chloride were studied for different durations, temperatures, and pressures with proper ammonia gas charged, as a respect of ammonia gas adsorption rate(%). To understand material characteristics for lab-made magnesium ammine chloride, DA, IC, FT-IR, XRD and SDT analyses were performed using the published data available in literature. From the analytical results, the water content in the lab-made magnesium ammine chloride can be determined. A new test procedure for water removal was proposed, by which the adsorption rate of lab-made sample was found to be approximately 100%.

목차 (Table of Contents)

• 초록
• Abstract
• 1. 서론
• 2. 실험장치 및 방법
• 3. Magnesium Ammine Chloride 화학 이론
• 4. 결과 및 고찰
• 5. 결론
• 참고문헌 (References)

참고문헌 (Reference)

1 이호열, "디젤엔진 배출가스 질소산화물 저감을 위한 Solid SCR의 반응률에 관한 연구" 한국자동차공학회 21 (21): 183-194, 2013

2 신종국, "디젤엔진 배출가스 질소산화물 저감을 위한 Solid SCR용 Ammonium Carbonate 중간생성물인 재응고 물질의 분석 연구" 한국자동차공학회 22 (22): 152-159, 2014

3 Owen, M., "The Structure and Desorption Properties of the Ammines of the Group II Halides" ELSEVIER 427 : 38-43, 2013

4 Jeong, S., "The Effect of Ammonia and Flow Distribution on DeNox Performance of Urea SCR Catalyst in a Heavy Duty Diesel Engine" 229-235, 2007

5 Vegge, T., "Solid-State Hydrogen Storage: Materials and Chemistry" Woodhead Publishing Limited 2008

6 Tatur, M., "Solid SCR Demonstration Truck Application"

7 Sørensen, R., "Indirect, Reversible High-Density Hydrogen Storage in Compact Metal Ammine Salts" 130 : 8660-8668, 2008

8 Gerhart, C., "Development of a 3rd Generation SCR NH3-Direct Dosing System for Highly Efficient DeNOx" 2012

9 Geering, H. C., "Control of a Urea SCR Catalytic Converter System for a Mobile Heavy Duty Diesel Engine" 2003

10 Kim, H., "A Study on the Solid Ammonium SCR System for Control of Diesel NOx Emissions" 2014

11 Yoon, C. S., "A Study on Physical Chemistry of Solid Ammonium Materials for NOx Reduction of Diesel Engine Emissions" University of Michigan 2014

12 Fulks, G., "A Review of Solid Materials as Alternative Ammonia Sources for Lean NOx Reduction with SCR" 2009

13 Dokkedal, T., "A High-Density Ammonia Storage/Delivery System Based on Mg(NH3)6Cl2 for SCR–DeNOx in Vehicles" 61 : 2618-2625, 2006