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안송엽 ( Song Yeob Ahn ),권희태 ( Hee Tai Kwon ) 한국수처리학회 2010 한국수처리학회지 Vol.18 No.5
Bacteria were collected from soils in several areas. On the basis of its biochemical characteristics it was identified as Pseudomonas. We measured the removal efficiency by changing temperature step by step. So we find the highest removal efficiency 90%. When temperature was 30℃ in medium also measured 81% at 10℃, 86% at 20℃, relative high removal efficiency. pH was decreased up to 6.5 during experiment period but no effect on removal efficiency was occurred. Also the humidity was fixed 90%, and the flowing Ammonia Gas density was fixed l0ppm at 70% of Humidity. The removal efficiency of Sulfate Gas was 91 .0% when inflow density is 1ppm, was over 89.0% when 10ppm, and was 79.8% was 50ppm, besides the removal efficiency was relatively high 78.9% when was 100ppm. Also the humidity was fixed 91%, and the flowing Sulfate Gas density was fixed 10ppm at 70% of Humidity.
VSE Process를 이용한 유기물, 질소 및 인의 처리 효율
안송엽 ( Song-yeob Ahn ),권희태 ( Hee-tai Kwon ) 한국환경기술학회 2008 한국환경기술학회지 Vol.9 No.1
유기물, 질소 및 인 등의 제거를 위해 처리 시설에 VSE 공정을 조합한 시스템에 의해 축산폐수의 처리 특성을 규명하였다. VSE 공정에 장착할 막을 선정하기 위하여, RO막중 ACM-4, ESPA, BW-30, X-20을 대상으로 제거능력을 비교한 결과 ESPA막이 가장 우수하였으며, 이 ESPA막은 CODcr 98.7%, T-N 98.7%, T-P 98.3%의 제거율을 나타내었다. VSE공정에 ESPA막을 장착하여 T-N 192~1,420mg/ℓ, T-P 35~94mg/ℓ의 유입수를 처리한 결과 T-N 7~10mg/ℓ, T-P 0.6~1.0mg/ℓ의 유출수를 얻었다. Effective in removing of organic matter, nitrogen and phosphate are filled into reactor, and as a treatment process, VSE(Vibratory Shear Enhanced). From the comparing the removal yields on RO membrane treatment such as ACM-4, ESPA, BW-30, X-20, in order to chose an adequate one that will be used on VSE process, ESPA membrane was shown the superior one than others. By adopting the ESPA membrane to VSE process, CODcr, T-N and T-P removal efficiency were brought up to 98.7%, 98.7%, 98.3%, respectively. Additionally after then the performs of this treatment, the concentration ranges of 192~1,420 mg/ℓ for T-N and 35~94 mg/ℓ for T-P contained in influent were converted into 7~10 mg/ℓ, 0.6~1.0 mg/ℓ on effluent, respectively.
안송엽 ( Song Yeob Ahn ),권희태 ( Hee Tai Kwon ) 한국수처리학회 2011 한국수처리학회지 Vol.19 No.2
This research connected the SUS electrode with a negative and an electrode of SUS, Carbon, Cu and Zn with a positive a so that the removal efficiency of a heavy metal were practiced quality of plate, concentration of sample, plate gap residence time and voltage which were respectively charged. Especially, this study presents. the removal efficiency of Cu and Zn. The parameters tested operating both batch and continuous electrocoagulation were electrolytic plate, plate distance, and current density with removal efficiencies of COD, SS. Good water quality of treated effluent was obtained as COD<10.0mg/L, SS<10.0mg/L with AL and SUS plate. Only 35~50% of nitrogen in raw municipal wastewater was removal by AL and SUS plate. Electricity decomposition was used with a submerged Electrolysis process in this experiment, and there was low-concentration waste water, too, organic matter, nitrogen removal were practiced. After a response fixes influx 30 minutes dozing off, the volume flowing from 10 minutes. The COD removal rate that were a showed a high removal rate more than all reactor each 85%. The SS removal rate showed a comparatively similar removal rate. As electrode gap was increased in the same electric pressure, electric resistance of solution did. The survey showed similar results that removal efficiency was decreased because IR drop happened, as a result of creased electrode gap. According to a change of time, removal efficiency was showed comparatively steady removal rating from the early of reaction velocity. It took to 40 from 60 minutes to remove 70~88% Cu and Zn showed a parallel from on the whole.