폐소뼈를 이용한 중금속(重金屬) 제거용(除去用) 담체개발(擔體開發)에 관한 연구(硏究)

권문선,김재영,Kwon, Moon-Sun,Kim, Jae-Young 한국자원리싸이클링학회 2010 資源 리싸이클링 Vol.19 No.2

In this study, cow tibial from cow bone, a kind of beef waste, sintered at $800\sim850^{\circ}C$ for three hours was used to measure its removal capacity for metal ions such as Pb, Cd and Zn in a single and a multi-component equilibrium systems. The sorption equilibrium data were analyzed as measured by the effect of media on lead, cadmium and zinc sorption. This analysis shows that the sorption of metal ions for multi-component systems applying IAST can be predicted more reasonably by the Freundlich and the Sips theory than the Langmuir. 본 연구에서는 음식업소 등에서 발생하는 폐기물의 일종인 폐 소뼈를 고온인$800^{\circ}C\sim850^{\circ}C$에서 3시간 소결시켜 담체로 제조한 후 중금속 제거제로 이용하여 납(Pb), 카드뮴(Cd), 아연(Zn)등의 중금속에 대한 단일 및 다성분계 흡착제거 관계에 대하여 일련의 실험을 수행하였다. 담체의 납과 카드뮴 그리고 아연의 제거능력을 정량화하여 흡착평형데이터를 해석하였다. 흡착평형데이터를 IAST에 적용하여 해석한 결과, Freundlich식과 Sips식이 Langmuir식보다 중금속 흡착 평형식에 잘 부합됨을 알 수 있었다.

소성 굴패각을 이용한 축산폐수의 질소,인 제거특성

권문선 ( Moon Sun Kwon ),박상민 ( Sang Min Park ),권혁수 ( Hyuk Soo Kwon ) 한국수처리학회 2008 한국수처리학회지 Vol.16 No.4

탈질균의 (脫窒菌) 호기성상태에서 탈질 특성에 관한 기초적 연구

권문선(Moon Sun Kwon),김환홍(Hwan Hong Kim) 大韓環境工學會 1992 대한환경공학회지 Vol.14 No.3

합성 제올라이트 X에 의한 중금속 이온 제거

권문선 ( Kwon Moon-sun ) 한국환경기술학회 2002 한국환경기술학회지 Vol.3 No.4

염분함유 저농도 하수에서 분뇨 투입시 처리특성에 관한 연구

권문선 ( Kwon Moon-sun ) 한국환경기술학회 2004 한국환경기술학회지 Vol.5 No.1

This study was performed to investigate the removal characteristics of sewage added night soil as an additional carbon source, because the sewage in seaside area has high concentrated salt and low carbon source. Experiment was carried out using A²O process with fluidized media, Bio-SAC process. The BOD concentration in influent was 40~50 mg/L, it is lower than general area. The concentration of sodium chloride was 420~882 mg/L, 400~500 mg/L higher than general area. It was reported that when the concentration of sodium chloride was over 10,000 mg/L, it occured reduction of removal efficiency by shock load and it takes more than 40 days for recovery in activated sludge process. Also settling rate decrease by reduction of microbial activation and pin floc phenomenon. Treatability test in lab scale conducted injection excrements for high salt concentration sewage of seaside area. Test was performed mixing ratio of sewage and excrements was 95:5, 85:15, 75:25. HRT, F/M ratio and SRT were 6.1hrs, 0.12~0.2 and 13days, respectively. The rate of sludge recycle and internal recycle were 45% and 100%, respectively. In that operation condition, the removal efficiency of BOD was more than 90%, that of T-N was more than 80%.

환경친화성 세제지지체용 제올라이트의 합성

권문선 ( Kwon Moon-sun ) 한국환경기술학회 2000 한국환경기술학회지 Vol.1 No.1

In order to investigate the synthetic possibility of the zeolite using detergent builder from dickite, synthetic reactions were studied with variables such as mole ratios of reactants and reaction time. The alkalinity of reaction mixtures have greatly influenced in the composition and the particle size distribution of zeolite. Then the average size of the zeolite particles obtained has to be adjusted through the H₂O/Na₂O mole ratios. The SiO₂/Al₂O₃ mole ratios as low as possible led to zeolite with high crystallinity. Increasing the Na₂O/SiO₂ mole ratios, the velocity of crystallization was advanced. The synthesis of zeolite from a calcined dickite and sodium silicate solution was possible at lower price for its use as a builder in detergents. Optimized aging time was 12 hours with increase in the nucleation of amorphous gel which enhances its reactivity. This effect is lower as the aging time increases.

생물학적(生物學的) 유동층(流動層)을 이용(利用)한 정화조유출수(淨化槽流出水)의 암모니아성(性) 질소제거(窒素除去)에 관한 연구(?究)

김환기,권문선,Kim, Hwan Gi,Kwon, Moon Sun 대한토목학회 1986 대한토목학회논문집 Vol.6 No.2

본(本) 연구(硏究)는 정화조(淨化槽) 유출수(流出水)의 질소분석(窒素分析) 제거(除去)에 관한 기초적(基礎的)인 연구(硏究)로서 주(主)로 암모니아성(性) 질소제거(窒素除去)를 위한 실험적(實驗的) 결과(結果)에 관한 내용(內容)이다. 실험(實驗)에 사용(使用)한 시료(試料)는 정화조(淨化槽) 유출수(流出水)와 유이(類以)한 합성폐수(合成廢水)를 사용하여 그 처리가능성(處理可能性)을 규명(糾明)한 후 실제(實際) 정화조(淨化槽) 유출수(流出水)를 사용(使用)하여 처리효율(處理效率)을 비교(比較)하였고, 질산화(窒酸化) 반응(反應)이 단계적(段階的)으로 일어날 것을 고려(考慮)하여 4 단계(段階) 생물학적(生物學的) 유동층(流動層)을 고안(考案)하였으며, 이 반응기(反應器)를 이용(利用)하여 질소제거(窒素除去) 가능성(可能性)을 검토(檢討)하였다. 그 결과(結果) 순환비(循環比) 변화(變化)에 의한 유기물(有機物) 제거(除去)는 초기단계(初期段階)에서 80% 정도(程度)였으며 질산화(窒酸化) 반응(反應)은 후기단계(後期段階)에서 90% 이상(以上)의 암모니아성 질소(窒素)가 제거(除去)되었다. 체류시간(滯留時間)에 따른 유기물(有機物) l단계(段階)에서 대부분(大部分) 진행(進行)되어 85% 이상(以上) 제거(除去)되었으며 질산화(窒酸化) 반응(反應)은 3, 4 단계(段階)에서 90% 이상(以上)의 암모니아성(性) 질소(窒素)가 제거(除去)되었으며, 이 때 적정순환비(適正循環比) 및 체류시간(滯留時間)은 각각 30과 7 시간(時間)이었다. 합성폐수(合成廢水)와 실제(實際) 정화조(淨化槽) 유출수(流出水)의 $NH_4{^+}-N$ 제거(除去)와 $NO_3{^-}-N$ 생성(生成) 효율(效率)을 얻기 위한 실험(實驗)에서 $NH_4{^+}-N$ $1mg/{\ell}$ 제거(除去)에 합성폐수(合成廢水)는 $NO_3{^-}-N$ $0.95mg/{\ell}$가 생성(生成)되었고 실제(實際) 정화조(淨化槽) 유출수(流出水)는 $0.82mg/{\ell}$ $NO_3{^-}-N$이 생성(生成)되었다. 또한 유동층(流動層)에서 반응기(反應器)에서 질산화(窒酸化) 반응(反應)의 동력학적(動力學的) 계수(係數)를 구(求)하였다. This paper is a basic study of the experimental results for the treatment of ammonia-nitrogen in the septic tank effluent. The substrates in this experiment are actual septic tank effluent and synthetic waste-water which is similar to septic tank effluent containing a considerable amount of nitrogenous component. Experiments were conducted for organic removal and nitrification using various recycle ratio and hydraulic retention time at each stage. The results obtained show that organic removal rate was above 80% in the 1st and 2nd stage, but as nitrification process was proceeded, above 90% of ammonia-nitrogen was removed in the 3rd and 4th stage. In these cases, the recycle ratio and HRT were found 30 and 7 hrs respectively. In the relation of $NH_4{^+}-N$ removal to $NO_3{^-}-N$ formation in the synthetic waste-water and septic tank effluent, when $1mg/{\ell}$ of $NH_4{^+}-N$ was removed, $NO_3{^-}-N$ formations were $0.95mg/{\ell}$ and $0.82mg/{\ell}$ respectively. And kinetics of nitrification using Biological Fluidized Bed was discussed also.

Sintering process에 의한 MSWI fly ash를 혼합한 일차점토(一次粘土)와 적황토(赤黃土) 공시체(公試體)의 특성(特性)

유승철,권문선,박상민,Yoo, Seung-Chol,Kwon, Moon-Sun,Park, Sang-Min 한국자원리싸이클링학회 2010 資源 리싸이클링 Vol.19 No.2

본 연구는 소성공정으로 MSWI fly ash를 혼합한 일차점토와 적황토 공시체의 특성을 알아보기 위하여 진행되었다. 최대 20 wt% MSWI fly ash를 혼합한 공시체는 SEM, UTM, ICP 등의 방법으로 분석되었으며, 그 결과 $P_{10}$공시체는 휨강도가 증가하였고, $R_5$공시체는 압축강도와 휨강도가 증가하였다. 또한 중금속 용출량도 기준치를 만족하였다. 이것은 MSWI fly ash가 소성공정에 의한 벽돌제조에서 기존 재료의 부분대체에 적합하다는 것을 나타내는 것이다. This research investigates the feasibility of ceramic specimens made from Primary clay and Red Hwangto with MSWI fly ash. Specimens preduced by mix-design maximum 20 wt% MSWI fly ash were analysed by SEM, UTM, ICP, etc. As a result of measurement,$P_{10}$ specimen was improved on bending strength and $R_5$ specimen was improved on compressive and bending strength. Also amount of extracted heavy metal was suitable for regulatory limits. This indicates that MSWI fly ash is indeed suitable for the partial replacement of ceramic materials in bricks.

경천(鏡川)의 자연친화적(自然親和的) 하천정비(河川整備) 수질개선효과(水質改善效果)에 관한 연구(硏究)

이현기 ( Hyeon-ki Lee ),권문선 ( Moon-sun Kwon ) 한국환경기술학회 2007 한국환경기술학회지 Vol.8 No.3

In this study, investigated the water quality improvement effect of close-to-nature river maintenance by compare river maintenance before with its after water quality of a Kyoung stream which was put in operation close-to-nature river maintenance. The results of this study were summarized as follows. BOD was shown highly on the average 4.62 mg/L in October year of 2000, September and December were shown 1.84 mg/L and 2.33 mg/L but on the year of 2002 biochemical oxygen demand highly shown months were October and November then concentration were 1.91 mg/L and 1.53 mg/L. Whole water quality of model river was improved [Ⅰa] a class water quality. Variation of T-N concentration was shown on the average 2.04 mg/L before close-to-nature river maintenance, but after maintenance was shown 0.93 mg/L its depreciation effect of 54 percentage. Variation of T-P concentration was shown on the average 0.07 mg/L before close-to-nature river maintenance, but after maintenance was shown 0.01 mg/L to 0.02 mg/L its very good result. SS were shown on the average above 6.7 mg/L before close-to-nature river maintenance, but after maintenance was shown 0.6 mg/L to 2.1 mg/L its very good result. General the model river was improved water quality, because river maintenance before water quality was shown Ⅲ a class but after its maintenance was shown Ⅰ a class and safety Ⅱ a class in a period of water short age at winter.

부착성 미생물을 이용한 질산화 및 탈질특성에 관한 연구

권문선,이의신 대한상하수도학회 1994 상하수도학회지 Vol.8 No.3

In this research, characteristics of nitrification and denitrification using the microorganism attached on sponge and plates were examined. The denitrification and nitrification performance were investigated under the anaerobic and aerobic condition for about 2 months. Because the basins of denitrification and nitrification were connected in series, wastewater was flowed from denitrification basin to nitrification one. The 90% of influent flowrate was returned from nitrification basin to denitrification one. Most of organic material was removed in nitrification basin, wherease the only exact amount of organics required in denitrification process was removed in denitrification one. This experiment resulted in that heterotrophic bacteria existing in aerobic basin governed the removal efficiency of organic compounds. In case the influent BOD concentration into nitrification basin was 80㎎/ℓ, it did not affect to accumulation of nitrifying bacteria, the balance of heterotrophic bacteria was proved to be an important factor in nitrification/denitrification mehod such as anaerobic and aerobic cycling type.