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한국수처리학회지 update

Journal of Korea Society of Water Science and Technology

  • : 한국수처리학회(구 한국수처리기술연구회)
  • : 공학분야  >  환경공학
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  • : 1225-7192
  • : 2289-0076
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수록정보
수록범위 : 1권1호(1993)~29권2호(2021) |수록논문 수 : 1,367
한국수처리학회지
29권2호(2021년 04월) 수록논문
최근 권호 논문
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KCI등재

1인산활성화 옥수수 줄기를 이용한 수용액에서의 납의 효율적인 흡착

저자 : 최희정 ( Hee-jeong Choi )

발행기관 : 한국수처리학회(구 한국수처리기술연구회) 간행물 : 한국수처리학회지 29권 2호 발행 연도 : 2021 페이지 : pp. 3-12 (10 pages)

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The purpose of this study is to compare and analyze the removal efficiency of Pb(II) through the phosphorylation of corn stalk and natural corn stalk in aqueous solution. After the phosphorylation of corn stalks (PCS), the pHpzc decreased to 3.82, confirming the attachment of acidic functional groups onto the surface of the corn stalks. The pseudo-second-order and Langmuir isothermal models were found to be suitable for modeling the adsorption kinetics and conducting isothermal experiments of the adsorption of Pb(II) onto PCS. The maximum adsorption capacity of Langmuir was 182.76 mg/g. The adsorption process involving PCS was close to physical adsorption, and the adsorption efficiency increased as the temperature increased. According to a Fourier transform infrared analysis, phosphorylation increased the number of carboxyl groups (-COOH) on the corn stalks. In addition, the phosphoric acid group expanded the pore shape of the adsorbent to increase the exposure of anions to the surface. Consequently, the adsorption efficiency of Pb(II), a cationic ion, onto PCS increased.

KCI등재

2시공간적 수질변동 분석을 통한 유역관리방안

저자 : 김지연 ( Ji-yeon Kim ) , 여인홍 ( In-hong Yeo ) , 김용성 ( Yong-sung Kim ) , 이정현 ( Jung-hyun Lee )

발행기관 : 한국수처리학회(구 한국수처리기술연구회) 간행물 : 한국수처리학회지 29권 2호 발행 연도 : 2021 페이지 : pp. 13-20 (8 pages)

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The objective of this study was to analyze long term temporal trends of water chemistry and spatial heterogeneity for 8 sampling sites of Geum-River watershed using water quality dataset during 2005~2009. The water quality, based on multi-parameters of biochemical oxygen demand (BOD), total nitrogen (TN), and total phosphorus (TP), largely varied depending on the landuse patterns, years and seasons. The characteristics of water quality in the upper regions showed good grade(BOD<3 mg/L) in the Geum river kongju. The resulted in the inflow of domestic, industrial, and livestock wastewaters not adequately treated by wastewater treatment systems. The characteristics of water quality in the upper regions showed <0.9 mg/L BOD) in the yongdam dam and daecheong dam. The high level of COD resulted in the inflow of untreated sewage and the effluent from Wastewater treatment plant into the water body in the river basin. For TN and TP concentrations ranging from 4.21 mg/L to 9.12 mg/L and 0.03 mg/L to 0.15 mg/L, respectively, and the nutrients showed large longitudinal gradients between the upper and lower reach. This resulted in the inflow of domestic, industrial and livestock wastewater not adequately treated by wastewater treatment systems.

KCI등재

3광주지역 산업폐수 업종별 TOC 배출 특성에 관한 연구

저자 : 김연희 ( Yun-hee Kim ) , 문경란 ( Kyoung-ran Moon ) , 윤상훈 ( Sang-hoon Yoon ) , 김지혜 ( Ji-hye Kim ) , 임민화 ( Min-hwa Lim ) , 진재성 ( Jae-sung Jin ) , 양명승 ( Myeong-sueng Yang ) , 정희윤 ( Hee-yun Jung ) , 배석진 ( Seok-jin Bae ) , 정재근 ( Jae-keun Chung )

발행기관 : 한국수처리학회(구 한국수처리기술연구회) 간행물 : 한국수처리학회지 29권 2호 발행 연도 : 2021 페이지 : pp. 21-33 (13 pages)

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In this study, 182 industrial wastewater samples obtained from Gwangju were assigned to 16 industries to investigate the characteristics of organic indexes(TOC, NPOC, CODMn, and DOC). The average CODMn and TOC concentrations by industrial wastewater classification in Gwangju in descending order were as follows : other machinery and equipment manufacturing > painting and other film treatment > textile dyeing, cleaning, and finishing processing. The correlations between TOC and CODMn, NPOC, DOC showed high positive correlation coefficients which were more than 0.8. According to the revised Water Environment Conservation Act 2020 in which CODMn from wastewater discharge facilities was replaced with TOC, a CODMN concentration of 130 mg/L in an “Na” region where the volume of wastewater discharge is lower than 2,000 m3/day, corresponds to 75 mg/L TOC, and the concentration ratio of CODMN to TOC is 1.73. The average ratio of CODMn to TOC in five metropolitan cities (Gwang, Ulsan, Daejeon, Incheon, and Busan) was 1.55, and the converted TOC concentration corresponding to 130 mg/L CODMn was 84 mg/L. The average measurement ratio of CODMn to NPOC was 1.7, which was close to the CODMn to TOC ratio of 1.73. These results propose that TOC concentration in wastewater discharge from “Na” regions should be changed to 84 mg/L from the current 75 mg/L or TOC concentrations might be applicable to NPOC concentrations in all wastewater discharge facilities.

KCI등재

4고율하수처리를 위한 생물막여과와 분리막 연계시스템 구성

저자 : 현길수 ( Kil-soo Hyun )

발행기관 : 한국수처리학회(구 한국수처리기술연구회) 간행물 : 한국수처리학회지 29권 2호 발행 연도 : 2021 페이지 : pp. 35-42 (8 pages)

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Compared with the conventional MBR, granular sludge MBR due to the reactor compact design, outstanding settleability, and the ability of granules to withstand high organic loading rate has emerged with strong potential to overcome membrane fouling. The objective of this study is to configure an high-rate system using granular sludge sequencing batch reactor (GSSBR) and granular media filter (GMF) using sand and granular activated carbon (GAC)) coupled with membrane for enhancing membrane filtration performance and reducing membrane fouling in treating wastewater. As a result, GSSBR/GMF/MF configured system achieved higher efficiency than GSSBR-MBR and GSSBR/MF systems in reducing total organic carbon (TOC), total nitrogen (T-N) and total phosphorus (T-P), respectively. For transmembrane pressure (TMP), the GSSBR/GMP/MF developed much lower than that of GSSBR-MBR. In particular, the GSSBR/sand filter/MF system achieved lower TMP build-up than that of the GSSBR/GAC filter/MF system The above results indicate the GSSBR-MF coupled with GMF is more effective than conventional MBR using activated sludge in mitigating membrane fouling. The food/microorganism (F/M) ratio in the GSSBR and the biofilm growth in the GMF play an important role to reduce contaminants and TMP build-up.

KCI등재

5메조 세공 제올라이트 Y가 코팅 된 알루미나 중공사막을 이용한 중금속 흡착

저자 : 박서현 ( Seo-hyun Pak ) , 박정훈 ( Jung Hoon Park ) , 박찬규 ( Chan-gyu Park )

발행기관 : 한국수처리학회(구 한국수처리기술연구회) 간행물 : 한국수처리학회지 29권 2호 발행 연도 : 2021 페이지 : pp. 43-51 (9 pages)

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In this study, mesoporous-zeolite-Y-coated alumina hollow fiber membranes were prepared by optimizing the synthesis conditions and using commercial zeolite Y, CTAB, as the structure-directing agent and alumina hollow fiber membranes. The removal of heavy metals was investigated using these membranes. The synthesized membranes were characterized with X-ray diffraction, field emission scanning electron microscopy, nitrogen adsorption-desorption analysis, field emission transmission electron microscopy, Fourier transform infrared spectroscopy, and the heavy metal adsorption activity of these membranes was investigated with ultraviolet-visible spectroscopy. Batch tests were conducted to investigate the capabilities of the mesoporous-zeolite-Y-coated membranes in removing Mn (II) and Fe (II)fromaqueoussolutions.Nitrogen full isotherm analyses confirmed that the synthesized mesoporous adsorbents were homogenously mesoporous. These results suggest that the mesoporous-zeolite-Y-coated membranes exhibited higher adsorption capacity than that of the alumina hollow fiber membranes. After three runs of heavy metal adsorption, there was no drop in the activity of the prepared mesoporous-zeolite-Y-coated alumina hollow fiber membranes because they were easier to separate and more durable than the conventional powdered adsorbents.

KCI등재

6개인하수처리시설의 평가와 ANO-GS-SBR공정의 질소저감 영향인자 분석

저자 : 김지연 ( Ji-yeon Kim ) , 현길수 ( Kil-soo Hyun )

발행기관 : 한국수처리학회(구 한국수처리기술연구회) 간행물 : 한국수처리학회지 29권 2호 발행 연도 : 2021 페이지 : pp. 53-59 (7 pages)

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Individual sewage treatment process (ISTP) is classified into a sewage treatment system which treats all the domestic sewage and a water-purifier tank which treats only effluent flushing from the toilet. The granular sludge-sequencing batch reactor (GS-SBR) represent an attractive alternative to the ISTP due to their small footprint and their low energy consumption and excess sludge production. The objectives of this study is to analyze an operating factors of the ISTP for enhancing nitrogen removal and to figure out the performance of anaerobic/oxic GS-SBR as an alternative of ISTP (activated sludge process, contact oxidation process, biofiltration process). As a result, the efficiencies of the real ISTP showed a very fluctuating effluent qualities (BOD 0.5-47.6 mg/L, COD 1.4-71.1 mg/L, T-N 1.1-114.7 mg/L, T-P 0.073-15.041 mg/L). This indicates an alternative of cost-effectiveness process is needed to enhancing nitrogen removal rate despite a fluctuating influent concentration. As an alternative to the ISTP, the GS-SBR performance achieved high nitrogen efficiencies of <79.8 % at influent carbon/nitrogen (C/N) ration of 1-3, the food/microorganism (F/M) ratios of 0.25kgCOD /kgMLVSS/d, and the operation mode of aeration/non-aeration (1.5:1-3:1). This result indicates the anaerobic/oxic GS-SBR could be used as an alternative of the ISTP to improve the river water quality.

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국회도서관 인하대학교 아주대학교 부산대학교 한국교통대학교
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