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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of the Korea Organic Resource Recycling Association
Journal Basic Information
Journal DOI :
Korea Organic Resource Recycling Association
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Volume & Issues
Volume 24, Issue 2 - Jun 2016
Volume 24, Issue 1 - Mar 2016
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A Study on Environmental and Economic Analysis for Each Treatment of Sewage Sludge(I) - Results of Precision Monitoring -
Lee, Dongjin ; Lee, Suyoung ; Kwon, Younghyun ; Bae, Jisu ; Cho, Yuna ;
Journal of the Korea Organic Resource Recycling Association, volume 24, issue 2, 2016, Pages 3~13
DOI : 10.17137/korrae.2016.24.2.3
This study investigated the environmental and economical assessment for sewage sludge treatment options including biogasification, incineration, carbonization, drying, and solidification. Additionally it is also investigated the economical feasibility of the current guidelines (Digestion efficiency for organic waste = 45 %, Moisture content of sludge = 95 and 93 %) and it aimed to suggest the scientific informations for a policy-making. For the economical feasibility the 30 plants with anaerobic digestion treatment and the 17 plants without anaerobic digestion treatment were investigated. The result of the comparison of sewage sludge treatment options showed that anaerobic digestion+incineration was the most economically feasible considering incineration and drying. For smaller treatment capacity, solidification was the most economically feasible considering carbonization and solidification and anaerobic digestion+carbonization was the most economically feasible considering carbonization and solidification.
A Study on Environmental and Economic Analysis for Each Treatment of Sewage Sludge(II) - Results of Economic Analysis -
Lee, Dongjin ; Lee, Suyoung ; Kwon, Younghyun ; Cho, Yuna ; Bae, Jisu ;
Journal of the Korea Organic Resource Recycling Association, volume 24, issue 2, 2016, Pages 15~29
DOI : 10.17137/korrae.2016.24.2.15
This study investigated the environmental and economical assessment for sewage sludge treatment options including biogasification, incineration, carbonization, drying, and solidification. Considering B/C ratio for an anaerobic digestion treatment, for
), B/C was 1, as the moisture content increased to 95 %, B/C was 1 for
). Anaerobic digestion+solidification was the most economically feasible, then Anaerobic digestion+incineration and anaerobic digestion+drying were the next economically feasible and then anaerobic digestion+carbonization was the least economically feasible. If anaerobic digestion efficiency was improved to 45%, the treatment costs for anaerobic digestion+carbonization, anaerobic digestion+incineration and anaerobic digestion+drying were decreased to 3,000~5,000 won/t and the costs for anaerobic digestion+solidification was decreased to 2,000~3,000 won/t due to increasing of the beneficial cost of the biogas production.
Volume Estimation Method for Greenhouse Rainwater Tank
Seo, Chan Joo ; Koo, Ja-Kong ;
Journal of the Korea Organic Resource Recycling Association, volume 24, issue 2, 2016, Pages 31~39
DOI : 10.17137/korrae.2016.24.2.31
Due to the temporal variation of inflow/outflow, the water tank is needed. For the calculation of water tank capacity, the absolute difference between cumulative amounts of supply(e.g., rainfall) and demand(e.g.,watering) is used. No matter the (-) and (+) the absolute maximum capacity of the subtraction is calculated as the capacity. In this paper, using rainfall and watering of greenhouse facilities, it is proved that the non-linear supply or demand can be applied, and it is proved also that the greater non-linear variation case. And as the time interval for monitoring is decreased, the basin or tank volume are increased, with approximately 10 days as the critical monitoring interval for the annual natural rainfall event.
Feasibility Study on the Treatment of Food Waste Leachate in Municipal Wastewater Treatment Facility - Case of P city -
Park, Jong-Hun ; Kang, Shin-Young ; Kim, Sang-Hyoun ;
Journal of the Korea Organic Resource Recycling Association, volume 24, issue 2, 2016, Pages 41~49
DOI : 10.17137/korrae.2016.24.2.41
P city government considers to treat a part of food waste leachate in a municipal wastewater treatment plant (MWWTP), as the capacity of an existing combined treatment plant for food waste leachate is lower than the generation of food waste leachate in the city. Furthermore, the combined treatment plant also treats landfill leachate and directly discharges the effluent to the sea, which may result in a potential environmental problem. Therefore, this study examined the feasibility of the addition of food waste leachate and the effluent of the combined treatment facility on the MWWTP. Acceptable addition amount of the food waste streams, increased pollution loading on the MWWTP, and the treatment cost were estimated according to four scenarios. All the scenarios estimated that the MWWTP would receive most of the food waste streams according to the manual of the ministry of environment with little increase of pollution loading.
Treatment Efficiency Evaluation of Integrated Two-Phase Pilot-Scale Anaerobic Digestion Using Food Waste Leachate
Song, Hancheul ; Kim, Dongwook ;
Journal of the Korea Organic Resource Recycling Association, volume 24, issue 2, 2016, Pages 51~58
DOI : 10.17137/korrae.2016.24.2.51
In the Integrated Two-Phase Anaerobic Digestion (ITPAD) process, acid and methane fermentation take place in one reactor, which has advantages to cope with organic load variation and reduce foot-print required, compensating disadvantages of Conventional Separated Two-Phase Anaerobic Digestion (CSTPAD). In the present work, organic matter degradation efficiency and biogas generation amount and other performance parameters of the ITPAD fed with food waste leachate were analyzed. In addition, feasibility study on the ITPAD method was performed by comparing its digestion efficiency with that of the CSTPAD. Organic matter alteration and biogas generation of the integrated method were examined for approximately 130 days based on the 5ton/day scaled pilot plant. Experiment results revealed that organic matter removal rate was 80% for mean food waste leachate input amount of
. The biogas generation rate was
per ton of food waste leachate input, corresponding to the input VS amount of
, and methane content of generated biogas was approximately 61.3%. The ITPAD has a comparable or higher organic matter removal efficiency compared to the conventional separated two-phase anaerobic digestion method. Consequently, the ITPAD method has a great need to commercialize a food waste leachate treatment technology against highly concentrated organic waste leachate.
Study on Feasibility of Integrated Two-Phase Anaerobic Digestion Using Foodwaste Water by Reviewing of Operating Efficiency
Song, Hancheul ; Kim, Dongwook ;
Journal of the Korea Organic Resource Recycling Association, volume 24, issue 2, 2016, Pages 59~66
DOI : 10.17137/korrae.2016.24.2.59
The purpose of this study was to review of technical, economical feasibilities regarding Integrated Two-Phase Anaerobic Digestion(ITPAD) method. In order for that, operation conditions and data with 24tpd capacity of operating ITPAD plant were analyzed. The result showed that VS removal efficiency was 73.7% and total amount of biogas was generated
on the average that represents
-input of generation efficiency. ITPAD had advantages in terms of required area and energy for heating which were analyzed 15.9%~47%, 11.6%~17.8% lower respectively compared to Conventional Separated Two-Phase Anaerobic Digestion(CSTPAD) method. Thus, it is considered the ITPAD has comparatively high feasibility to be expanded and commercialized to dispose high concentration organic matter of waste such as food waste and its leachate.
Effect of Compression Treatment on Characteristics of Solidified Cow Manure Fuel
Jeong, Kwang-Hwa ; Kim, Jung-Kon ; Lee, Dong-Jun ; Cho, Won-Mo ;
Journal of the Korea Organic Resource Recycling Association, volume 24, issue 2, 2016, Pages 67~74
DOI : 10.17137/korrae.2016.24.2.67
This study was purposed to evaluate the characteristic changes of the solidified livestock manure fuel(SLMF) through the application of compression treatment process. The compression process led to an increase of VS/TS ratio (Volatile solids/Total solids ratio) and moisture removal effect of SLMF. The amount of leachate withdrawn from dairy cattle manure and Hanwoo manure by compression were 21~26%(w/w) and 15~20%(w/w), respectively. The specific gravity of the leachate of dairy cattle manure and Hanwoo manure were 1.01 and 0.99, respectively. The dehydrated cow manure was easily processed into ball-shaped solidified fuel. The drying time of the SLMF was proportional to the diameter of the solidified fuel. The highest heating value was observed in diameter range of 10~15mm SLMF. It is concluded that the higher heating value of 10~15mm SLMF was related with the amount of fibrous matter contained in the SLMF.