Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.5.69
Joo-eun Lee, Hong-Il So, In-Hwan Jang, Jae-Woo Ahn, 김홍인, Jin-Young Lee
{"title":"Calculation of Countercurrent Extraction Process for Separation of [Sm]/[Pr, Nd] in Hydrochloric Acid Solution using Cyanex 572","authors":"Joo-eun Lee, Hong-Il So, In-Hwan Jang, Jae-Woo Ahn, 김홍인, Jin-Young Lee","doi":"10.7844/KIRR.2018.27.5.69","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.5.69","url":null,"abstract":"","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"8 1","pages":"69-76"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90479940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/kirr.2018.27.5.49
Chang-Hyun Lee, Yeonsoo Koo, Man-Seung Lee
{"title":"Development of Fluorite-free Desulfurizing Agent for Molten Iron using Al-dross and Ladle Slag","authors":"Chang-Hyun Lee, Yeonsoo Koo, Man-Seung Lee","doi":"10.7844/kirr.2018.27.5.49","DOIUrl":"https://doi.org/10.7844/kirr.2018.27.5.49","url":null,"abstract":"","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"9 1","pages":"49-53"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89922127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.5.30
Jieun Lee, C. Lee, Jiwhan Park, Jin-Ho Yoon
{"title":"Study on Manufacture of Tantalum Powder from Tantalum Scrap using Hydride-Dehydride Process (HDH Process)","authors":"Jieun Lee, C. Lee, Jiwhan Park, Jin-Ho Yoon","doi":"10.7844/KIRR.2018.27.5.30","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.5.30","url":null,"abstract":"","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"114 1","pages":"30-37"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73109960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.6.68
Young-Jin Kim, C. Baek, Jun-hyung Seo, Moon-Kwan Choi, Kye-Hong Cho, Ji-Whan Ahn
{"title":"Distribution and Evaluation of Rare Earth Elements contained in Coal Ashes from Korea Circulating Fluidized Bed Combustion (CFBC)","authors":"Young-Jin Kim, C. Baek, Jun-hyung Seo, Moon-Kwan Choi, Kye-Hong Cho, Ji-Whan Ahn","doi":"10.7844/KIRR.2018.27.6.68","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.6.68","url":null,"abstract":"","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"25 1","pages":"68-75"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88431629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/kirr.2018.27.4.36
Kim Dae Weon, I. Park, Nak-Kyoon Ahn, 정항철, Soo-Hoon Jung, Joong-Yup Choi, Dae-hoon Yang
In order to recycle waste nickel-cadmium batteries, cadmium was selectively removed by ion substitution reaction so that cadmium and nickel could be separated efficiently. The electrode powder obtained by crushing the electrode in the waste nickelcadmium battery was leached with sulfuric acid. The cadmium in the nickel-cadmium solution was precipitated with cadmium sulfide by the addition of sodium sulfide. Ion substitution experiments were carried out under various conditions. At the optimum condition with pH = −0.1 and Na2S/Cd = 2.3 at room temperature, the residual Cd in the solution was about 100 ppm, and most of it was precipitated with CdS.
{"title":"A Study on the Separation of Cadmium from Waste Ni-Cd Secondary Batteries by Ion Substitution Reaction","authors":"Kim Dae Weon, I. Park, Nak-Kyoon Ahn, 정항철, Soo-Hoon Jung, Joong-Yup Choi, Dae-hoon Yang","doi":"10.7844/kirr.2018.27.4.36","DOIUrl":"https://doi.org/10.7844/kirr.2018.27.4.36","url":null,"abstract":"In order to recycle waste nickel-cadmium batteries, cadmium was selectively removed by ion substitution reaction so that cadmium and nickel could be separated efficiently. The electrode powder obtained by crushing the electrode in the waste nickelcadmium battery was leached with sulfuric acid. The cadmium in the nickel-cadmium solution was precipitated with cadmium sulfide by the addition of sodium sulfide. Ion substitution experiments were carried out under various conditions. At the optimum condition with pH = −0.1 and Na2S/Cd = 2.3 at room temperature, the residual Cd in the solution was about 100 ppm, and most of it was precipitated with CdS.","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"4 1","pages":"36-40"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89968511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.1.22
Nak-Kyoon Ahn, Dae-Weon Kim, Dae-hoon Yang
폐니켈수소전지에 함유되어 있는 유가금속인 니켈, 코발트 그리고 희토류의 산업적 재활용을 위하여 자동차용 폐전지모듈로부터 분해, 분쇄 및 분급을 통하여 전극 분말을 회수하였다. 회수된 전극 분말 스크랩을 황산용액으로 침출한 결과 황산농도 1.0 M, 고액비 25 g/L, 반응 온도 $90^{circ}C$ , 4시간 동안의 반응...
{"title":"A Study on Recovery of Rare Earth and Acid Leaching for Wet Recycling of Waste NiMH Batteries","authors":"Nak-Kyoon Ahn, Dae-Weon Kim, Dae-hoon Yang","doi":"10.7844/KIRR.2018.27.1.22","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.1.22","url":null,"abstract":"폐니켈수소전지에 함유되어 있는 유가금속인 니켈, 코발트 그리고 희토류의 산업적 재활용을 위하여 자동차용 폐전지모듈로부터 분해, 분쇄 및 분급을 통하여 전극 분말을 회수하였다. 회수된 전극 분말 스크랩을 황산용액으로 침출한 결과 황산농도 1.0 M, 고액비 25 g/L, 반응 온도 $90^{circ}C$ , 4시간 동안의 반응...","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"31 1","pages":"22-30"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90944739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.5.38
Kee-seok Kim, Dong Won Lee, Jaewon Lee, Y. Kwon, Jihyung Yu, T. Hoang, Chanmuk Jung, Kyongnam Min
{"title":"A Case Study on the Test Execution for DCM using Vietnam CFBC Fly Ash Solidification Material","authors":"Kee-seok Kim, Dong Won Lee, Jaewon Lee, Y. Kwon, Jihyung Yu, T. Hoang, Chanmuk Jung, Kyongnam Min","doi":"10.7844/KIRR.2018.27.5.38","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.5.38","url":null,"abstract":"","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"45 1","pages":"38-48"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80341871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.5.54
So-Yeong Lee, H. Sohn
{"title":"Selective Removal of Cu in Ferrous Scrap by Chlorine gas","authors":"So-Yeong Lee, H. Sohn","doi":"10.7844/KIRR.2018.27.5.54","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.5.54","url":null,"abstract":"","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"53 1","pages":"54-60"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88975389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.6.59
Byoungkwan Kim, Yeob Heo, Sujeong Lee, C. Chon
{"title":"Influence of Na/Al Ratio and Curing Temperature of Geopolymers on Efflorescence Reduction","authors":"Byoungkwan Kim, Yeob Heo, Sujeong Lee, C. Chon","doi":"10.7844/KIRR.2018.27.6.59","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.6.59","url":null,"abstract":"","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"55 5 1","pages":"59-67"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77098859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-01-01DOI: 10.7844/KIRR.2018.27.2.55
Min Sik Kim, C. Mun, Kang Heon-Chan
식물성 기름을 포수제로 사용하였을 때 바텀애쉬 부유선별의 특성에 대해 알아보고자 본 연구를 실시하였다. 석탄회 부유선별에서 유상 포수제로 사용되는 Kerosene의 첨가량 변화에 따른 실험에서 Kerosene을 9 kg/ton의 비율로 첨가하였을 때, 미연탄소 회수율이 80%, 부유 산물의 미연탄소 함량이 63%인 것으로 나타났다...
{"title":"The Characteristic Study on Bottom Ash Flotation of Vegetable Oil as a Collector","authors":"Min Sik Kim, C. Mun, Kang Heon-Chan","doi":"10.7844/KIRR.2018.27.2.55","DOIUrl":"https://doi.org/10.7844/KIRR.2018.27.2.55","url":null,"abstract":"식물성 기름을 포수제로 사용하였을 때 바텀애쉬 부유선별의 특성에 대해 알아보고자 본 연구를 실시하였다. 석탄회 부유선별에서 유상 포수제로 사용되는 Kerosene의 첨가량 변화에 따른 실험에서 Kerosene을 9 kg/ton의 비율로 첨가하였을 때, 미연탄소 회수율이 80%, 부유 산물의 미연탄소 함량이 63%인 것으로 나타났다...","PeriodicalId":17385,"journal":{"name":"Journal of the Korean Institute of Resources Recycling","volume":"1 1","pages":"55-62"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89449322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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