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한국폐기물자원순환학회(구 한국폐기물학회)> 한국폐기물자원순환학회지> 순환자원 인정제도 이물질 기준 타당성 검토 및 개선방안 -폐타이어 철심을 중심으로-

KCI등재

순환자원 인정제도 이물질 기준 타당성 검토 및 개선방안 -폐타이어 철심을 중심으로-

Feasibility Review and Improvement of Circulation Resource Certification System of Foreign Substance Standards - Focused on of Tire-Derived-Steel

김도완 ( Do-hwan Kim ) , 임병란 ( Byung-ran Lim ) , 배재근 ( Chae-gun Phae )
  • : 한국폐기물자원순환학회(구 한국폐기물학회)
  • : 한국폐기물자원순환학회지 36권5호
  • : 연속간행물
  • : 2019년 07월
  • : 428-434(7pages)

DOI

10.9786/kswm.2019.36.5.428


목차

I. 서 론
II. 연구방법
III. 결과 및 고찰
IV. 결 론
References

키워드 보기


초록 보기


						
A Circulation Resource Certification System was enforced and the foreign substance matter standard of metal scrap decreased to within 2%. In the case of this TDS (Tire-Derived-Steel), depending on the type of recycling standard R-3- 3, foreign substances of 2% or more are contained and it is not suitable as a raw material because it contains foreign substances that are impossible to use. TDS, which can be recycled as a raw material for steelmaking products, cannot be a recycled resource based on foreign material criteria but is instead regarded as waste, and is as a result not circulated. Therefore, in this research, we mainly compare TDS and the validity of the standard of metallic foreign substance waste in the recycling resource certification system to the TDS foreign substances relation standard by measuring the characteristics of TDS and the content of foreign material. Among the certification criteria, I discuss a problem related to iron scrap standards and propose remedial measures.

UCI(KEPA)

간행물정보

  • : 공학분야  > 환경공학
  • : KCI등재
  • :
  • : 연8회
  • : 2093-2332
  • : 2287-5638
  • : 학술지
  • : 연속간행물
  • : 2010-2019
  • : 967


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발행기관 최신논문
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1Paenibacillus ehimensis KWN38을 이용한 잔디예지물 액비 제조공정의 최적화

저자 : 김도형 ( Do Hyeong Kim ) , 정병곤 ( Byung Gon Jeong )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 413-420 (8 pages)

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The optimization of the manufacturing process of liquid clipped-grass fertilizer using Paenibacillus ehimensis KWN38 was studied using a laboratory scale reactor. It may be concluded that favorable conditions may be obtained by maintaining oxic conditions through aeration when assessing the performance of the process. When comparing among sterilization methods as a pretreatment, high pressure steam sterilization was a more efficient method than the ozone treatment. From our experiment examining the effect of increasing the aeration rate, it may be concluded that the optimum aeration rate is 0.4 ~ 0.8 L/min·L air. We conclude that the optimum dosage of microorganisms is 1 mL per L of composite liquid clippedgrass fertilizer. The optimum decay period is 10 days at an operating temperature of 20℃ and 5 days at an operating temperature of 30℃. Improved performance in making liquid clipped-grass fertilizer can be obtained at an operating temperature of 30℃ rather than 20℃. The ORP may be applied as an operational control parameter instead of the C/N ratio due to the strong correlation between the C/N ratio and the ORP operational control parameter. It should be noted that aeration should be stopped temporarily before measuring the ORP. The concentration of heavy metals in the manufactured liquid clipped-grass fertilizer was less than the standards guideline.

2정수슬러지를 활용하여 제조한 흡착제의 재생특성 연구

저자 : 박영성 ( Yeong-seong Park ) , 이재열 ( Jae-yo'l Lee ) , 손무정 ( Moo-jeong Sohn )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 421-427 (7 pages)

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The regeneration characteristics of the waste adsorbent made by drinking water treatment sludge were investigated. Regeneration of the waste adsorbent was accomplished by steam activation. For analyses of the adsorbent samples, various methods were adopted, such as scanning electron microscopy (SEM), measurement of BET surface area, and chemical composition analyses. To assess a major adsorption characteristic, the adsorption equilibrium capacity was measured using a batch type experimental apparatus. The experimental results showed that the H2S adsorption equilibrium capacity of the regenerated adsorbent increased with activation temperature in the range of 400 ~ 600℃. The regeneration efficiency of the waste adsorbent was 80 ~ 100% across the all experimental conditions, and the temperature range suitable for regenerating the waste adsorbent was found to be 500 ~ 600℃.

3순환자원 인정제도 이물질 기준 타당성 검토 및 개선방안 -폐타이어 철심을 중심으로-

저자 : 김도완 ( Do-hwan Kim ) , 임병란 ( Byung-ran Lim ) , 배재근 ( Chae-gun Phae )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 428-434 (7 pages)

다운로드

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초록보기

A Circulation Resource Certification System was enforced and the foreign substance matter standard of metal scrap decreased to within 2%. In the case of this TDS (Tire-Derived-Steel), depending on the type of recycling standard R-3- 3, foreign substances of 2% or more are contained and it is not suitable as a raw material because it contains foreign substances that are impossible to use. TDS, which can be recycled as a raw material for steelmaking products, cannot be a recycled resource based on foreign material criteria but is instead regarded as waste, and is as a result not circulated. Therefore, in this research, we mainly compare TDS and the validity of the standard of metallic foreign substance waste in the recycling resource certification system to the TDS foreign substances relation standard by measuring the characteristics of TDS and the content of foreign material. Among the certification criteria, I discuss a problem related to iron scrap standards and propose remedial measures.

4폐타이어의 에너지 재활용을 위한 품질기준 초과원인 분석 및 관리방안

저자 : 김도완 ( Do-hwan Kim ) , 임병란 ( Byung-ran Lim ) , 배재근 ( Chae-gun Phae )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 435-443 (9 pages)

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Recently, the quality standards in the process of producing solid fuel and energy recycling of waste tire were exceeded. We examined the content of sulfur and Proximate compared to the quality standards of TDF (Tire-Derived-Fuel) in domestic and foreign waste tires. As a result of a Proximate Analysis of the tires, the parts (tread, side wall, and bead), the content of ash in the tread parts of the tire exceeded 20%. In addition, the content of sulfur was observed to exceed 2% in some domestic tires. As a result of analyzing tires exceeding the quality standards, the cause of the excess seems to be caused by an increase in the ratio of vulcanizing agent and inorganic filler added to produce high-performance tires. Therefore, in this study, we propose that the waste tires be separated and that the sulfur and ash contents are discharged preliminarily and recycled by a method other than TDF.

5우드칩 필터를 이용한 음식물쓰레기 디스포저 오수의 처리

저자 : 이수영 ( Su Yeong Lee ) , 박만호 ( Man Ho Park ) , 김재영 ( Jae Young Kim )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 444-451 (8 pages)

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Food waste disposers are convenient devices with which to throw away food waste from households by grinding the disposed scraps. However, the use of disposers has been limited due to barriers such as sewer blockages and load increases to wastewater treatment facilities. Woodchips can be an effective and economical filter material with which to recover solid and aqueous-phase contaminants, considering their particle sizes and surface characteristics. In this study, the performance of woodchips in treating disposer wastewater was examined. Characterization studies using scanned electron microscopy (SEM), elemental analysis, and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) analysis were performed to identify changes in packing materials during filtration. The effects of packing density and the effective particle size of the packing materials on solid recovery were assessed using filtering tests. According to the results, the maximum solid recovery rate was 83% (by weight) and packing density, rather than effective particle size, was the significant parameter determining filter performance. Packing densities up to approximately 0.9 g/cm3 led to increased solid recovery rates, while packing densities greater than 0.9 g/cm3 led to lower solid recovery. After filtering through woodchips, the reductions of dissolved chemical oxygen demand (COD) and total nitrogen (T-N) were confirmed. Woodchips were not effective in removing aqueous phosphorus. The batch adsorption test showed that woodchips have an adsorption capacity for T-N but not for COD and total phosphorus (T-P). According to the characterization studies, the recovery mechanisms by the woodchip filter were surface filtration, straining, and adsorption.

6제지산업에서 발생된 소각재의 숙성과정에 따른 중금속 용출특성 연구

저자 : 김용준 ( Yong-jun Kim ) , 엄남일 ( Nam-il Uhm ) , 김우일 ( Woo-il Kim ) , 김정대 ( Joung-dea Kim ) , 이영기 ( Young-kee Lee ) , 김기헌 ( Ki-heon Kim )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 452-459 (8 pages)

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The purpose of this study was to investigate the pH reduction time and the rate of the aging process of ash from the paper industry. In addition, we evaluated the environmental stability of the aging process by confirming the leaching characteristics of heavy metals according to pH changes. Our results indicated that the heavy metal contents of ash from the paper industry were ranked (in descending order): Cu > Pb > T-Cr > Cd > As > Cr6+ > Hg. It was confirmed that the ash was contained at a high pH of approximately 12 at the beginning of the discharge due to a high amount of the CaO component, but the pH was confirmed to be approximately 8 by reacting with atmospheric CO2 through the aging process. We also confirmed that the amount of heavy metal leaching decreased as the pH was reduced throughout the aging process of the ash produced by the paper industry. Therefore, we suggest that recycling the ashes discharged from the paper industry can utilize aging as a method of reducing the pH and the leaching of heavy metals.

7현장 굴착시료 분석에 의한 매립지 안정화도 평가 연구

저자 : 천승규 ( Seung-kyu Chun ) , 심낙종 ( Nakjong Sim ) , 전은정 ( Eunjeong Jeon ) , 윤수경 ( Suekyoung Yun ) , 박정현 ( Junghyun Park )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 460-470 (11 pages)

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The organic carbon contents of excavated waste samples were analyzed for the evaluation and forecasting of the stabilization state and aftercare period of the first landfill of the Sudokwon Landfill Site. The total disposed matter was 83.1 × 106 Mg (56.5 × 106 Mg on a dry basis), of which organic carbon was 6.4 × 106 Mg (a content ratio of 11.3%). Coarse incombustibles, vinyl, and mixed organic matter had weight ratios of 7.8%, 16.6%, and 75.7% respectively, with a total average moisture content of 37.1%. The average organic carbon content ratio was 5.1%, with 45.1% remaining compared to the disposed of amount. As almost all of the biochemically degradable carbon was emitted, satisfying landfill stabilization criteria for organic matter content is challenging under current landfill management practices.

8산 및 알칼리 용액을 이용한 생활폐기물 소각 비산재로부터의 염소제거

저자 : 최자형 ( Ja-hyung Choi ) , 오세천 ( Sea Cheon Oh )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 471-479 (9 pages)

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Recently, interest in the recycling of municipal solid waste ash has greatly increased as desires have rose to minimize landfill waste. However, recycling of fly ash from municipal solid waste is almost impossible due to its high chlorine content. Therefore, the possibility of chlorine removal from fly ash using acid and alkaline solutions has been studied in this work. Sulfuric acid, nitric acid, and sodium hydroxide solutions were used as acid and alkaline solutions. From this work it was found in all cases that the removal of chlorine increased with increasing acid and base concentrations. Chlorine removal also increased by increasing the reaction temperature for a sulfuric acid solution, but the optimal reaction temperature was needed to maximize chlorine removal in the case of a nitric acid solution. It was also found that sulfuric acid solutions were more effective than nitric acid and sodium hydroxide solutions for the removal of chlorine from fly ash.

9STS316 전극을 이용한 염색폐수의 T-N 제거 특성

저자 : 장성호 ( Seong-ho Jang ) , 강정희 ( Jeong-hee Kang ) , 김고은 ( Go-eun Kim ) , 홍성철 ( Sung-chul Hong ) , 이병인 ( Pyong-in Yi ) , 서정민 ( Jeong-min Suh ) , 정은상 ( Eun-sang Jung ) , 박제성 ( Je-sung Park ) , 박진식 ( Jin-sick Park ) , 이재용 ( Jae-yong Lee )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 480-486 (7 pages)

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In this study, the effects of current density and electrolyte on total nitrogen (T-N) removal efficiency for dyeing wastewater treatment were tested with stainless steel electrodes. Without electrolyte and when the current density was adjusted to 20, 40, and 60 A/m2, the removal efficiency of T-N was 39.1%, 55.6%, and 72.4% at 60 min, respectively. However, at all current densities, the removal efficiency with NaCl (10 mM) was 21.0% higher on average and with Na2SO4 (10 mM) was 5.3% higher on average.

10상승송풍과 충격유도 회전체를 이용한 순환굵은골재 품질향상에 관한 연구

저자 : 윤상혁 ( Sang Hyuck Yoon ) , 전찬수 ( Chan-soo Jeon ) , 이세현 ( Sea-hyun Lee )

발행기관 : 한국폐기물자원순환학회(구 한국폐기물학회) 간행물 : 한국폐기물자원순환학회지 36권 5호 발행 연도 : 2019 페이지 : pp. 487-493 (7 pages)

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The density increased to 6.3% on average after passing through the ascending blowing and impact inducing rotating device, and the absorption rate decreased to 38.1% on average after passing through before the passing. In addition, the test results for grain size, the amount lost in the 0.08-mm sieve, clay lump levels, and safety were all excellent after passing through the rotor hammer and multistage wind pressure treating apparatus. Organic matter was also reduced to an average of 69.2% after passage, and the inorganic matter decreased to 29.6%. All of these results satisfied KS F 2527 standards, meaning it can be used as recycled coarse aggregate for concrete.

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