Teeter bed separator (TBS) plays an important role in coal and mineral fines beneficiation. It is believed that a favorable dense concentrated bed is the key to ensuring the effective particle sepa...
{"title":"Study of the flow characteristics of the dense bed and its enhancing effect on coal particles separation by CFD-DEM applied in Teeter bed separator","authors":"Junli Liu, Xueshuai Zhu, Fakui Lv, Guichuan Ye, Geng Yao, Xin Qi, Xingshun Cong","doi":"10.1080/19392699.2024.2390507","DOIUrl":"https://doi.org/10.1080/19392699.2024.2390507","url":null,"abstract":"Teeter bed separator (TBS) plays an important role in coal and mineral fines beneficiation. It is believed that a favorable dense concentrated bed is the key to ensuring the effective particle sepa...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"34-35 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142190562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-04DOI: 10.1080/19392699.2024.2387647
Sergiy Boruk, Igor Winkler
The investigation results of granulometric composition, zeta potential, sedimentation stability, and viscosity of some water-coal suspensions made of Ukrainian coal from the “Stepova” mine, Lviv-Vo...
{"title":"Physicochemical characteristics of highly concentrated suspensions with some types of Ukrainian coal","authors":"Sergiy Boruk, Igor Winkler","doi":"10.1080/19392699.2024.2387647","DOIUrl":"https://doi.org/10.1080/19392699.2024.2387647","url":null,"abstract":"The investigation results of granulometric composition, zeta potential, sedimentation stability, and viscosity of some water-coal suspensions made of Ukrainian coal from the “Stepova” mine, Lviv-Vo...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"61 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141947318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-02DOI: 10.1080/19392699.2024.2382781
Prasad Kopparthi, Balraju Vadlakonda, Narasimha Mangadoddy, A.K. Mukherjee
This paper investigates the two-phase flow hydrodynamics of a column flotation operated from a homogeneous to a heterogeneous flow regimes using experimental and computational fluid dynamics (CFD) ...
{"title":"Column flotation hydrodynamics operating in the heterogeneous regime estimated by electrical resistance tomography and multi-phase CFD model","authors":"Prasad Kopparthi, Balraju Vadlakonda, Narasimha Mangadoddy, A.K. Mukherjee","doi":"10.1080/19392699.2024.2382781","DOIUrl":"https://doi.org/10.1080/19392699.2024.2382781","url":null,"abstract":"This paper investigates the two-phase flow hydrodynamics of a column flotation operated from a homogeneous to a heterogeneous flow regimes using experimental and computational fluid dynamics (CFD) ...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"4 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-30DOI: 10.1080/19392699.2024.2384054
Yang Yi, Xin Liu, Erjiang Hu, Geyuan Yin, Zuohua Huang, Jie Xu, Jianxuan Shang
The three typical coals selected in this study (Shuangyi coal (SY), Hengsheng coal (HS) and Ningxia anthracite (NX)) are widely used in western China, but their pyrolysis characteristics have been ...
{"title":"Pyrolysis characterization and kinetic analysis of typical coals in western China: effects of coal type, particle size and heating rate","authors":"Yang Yi, Xin Liu, Erjiang Hu, Geyuan Yin, Zuohua Huang, Jie Xu, Jianxuan Shang","doi":"10.1080/19392699.2024.2384054","DOIUrl":"https://doi.org/10.1080/19392699.2024.2384054","url":null,"abstract":"The three typical coals selected in this study (Shuangyi coal (SY), Hengsheng coal (HS) and Ningxia anthracite (NX)) are widely used in western China, but their pyrolysis characteristics have been ...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"295 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141881258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ultra-low ash coal is an essential clean energy and material. The preparation of ultra-low ash coal by flotation is facing challenges due to the inherent drawbacks. This work aims to enhance the fl...
{"title":"Flotation of ultra-low ash coal combined with ultrasonic pretreatment","authors":"Qifa Lu, Xiangyun Sun, Long Liang, Jiakun Tan, Rui Gu, Changping Ke, Yaoli Peng, Guangyuan Xie","doi":"10.1080/19392699.2024.2385555","DOIUrl":"https://doi.org/10.1080/19392699.2024.2385555","url":null,"abstract":"Ultra-low ash coal is an essential clean energy and material. The preparation of ultra-low ash coal by flotation is facing challenges due to the inherent drawbacks. This work aims to enhance the fl...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"16 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141969544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-29DOI: 10.1080/19392699.2024.2385553
Meng Fangyou, Shi Kaiyi, Liu Yi, Xiong Aolin, Zhao Hangxing, Pan Honggang, Wang Shiwei
The bio-depolymerization of coal is a promising technology for converting coal into low-molecular-weight industrial chemicals. In this study, we investigated the characteristics of biodepolymerized...
{"title":"Characteristics of biodepolymerized coal and insights into depolymerization pathway catalyzed by fungal extracellular enzymes","authors":"Meng Fangyou, Shi Kaiyi, Liu Yi, Xiong Aolin, Zhao Hangxing, Pan Honggang, Wang Shiwei","doi":"10.1080/19392699.2024.2385553","DOIUrl":"https://doi.org/10.1080/19392699.2024.2385553","url":null,"abstract":"The bio-depolymerization of coal is a promising technology for converting coal into low-molecular-weight industrial chemicals. In this study, we investigated the characteristics of biodepolymerized...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"180 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141881259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-19DOI: 10.1080/19392699.2024.2377240
Shiyong Zhao, Zhenyu Yang, Yuchen Xiao, Jinwen Fan
Aiming at the problem that coal gasification fine slag is difficult to float effectively, this paper combines flotation experiments and molecular simulation methods to study the mechanism of compos...
针对煤气化细渣难以有效浮选的问题，本文结合浮选实验和分子模拟方法，研究了煤气化细渣的组成机理。
{"title":"Study on flotation and molecular simulation of gasification fine slag enhanced by compound collector","authors":"Shiyong Zhao, Zhenyu Yang, Yuchen Xiao, Jinwen Fan","doi":"10.1080/19392699.2024.2377240","DOIUrl":"https://doi.org/10.1080/19392699.2024.2377240","url":null,"abstract":"Aiming at the problem that coal gasification fine slag is difficult to float effectively, this paper combines flotation experiments and molecular simulation methods to study the mechanism of compos...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"54 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141737654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-19DOI: 10.1080/19392699.2024.2381132
Peng Jia, Xiaoqi Huang, Jingzhang Jia
Liquid nitrogen freezing has a certain promoting effect on improving the permeability of coal samples. In order to study the quantitative changes in the pore structure and permeability of coal samp...
{"title":"Study on microscopic pores and permeability changes of coal frozen by liquid nitrogen based on CT scanning","authors":"Peng Jia, Xiaoqi Huang, Jingzhang Jia","doi":"10.1080/19392699.2024.2381132","DOIUrl":"https://doi.org/10.1080/19392699.2024.2381132","url":null,"abstract":"Liquid nitrogen freezing has a certain promoting effect on improving the permeability of coal samples. In order to study the quantitative changes in the pore structure and permeability of coal samp...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"58 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141770547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Improving the mean size of surface coke is an important subject in coke-making process. Focusing on usage of crushed inertinite, we investigated on addition of coke dry quenching (CDQ) dust in coal...
{"title":"Usage of coke dry quenching dust to improve coke mean size","authors":"Nidhi Tulsyan, Amitabh Shankar, Ravinandan Thakur, Atanu Ranjan Pal, Debaprasad Chakraborty, Nisha Sinha, Utkarsh Srivastava","doi":"10.1080/19392699.2024.2377234","DOIUrl":"https://doi.org/10.1080/19392699.2024.2377234","url":null,"abstract":"Improving the mean size of surface coke is an important subject in coke-making process. Focusing on usage of crushed inertinite, we investigated on addition of coke dry quenching (CDQ) dust in coal...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"6 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141610792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Thin-seam mining frequently captures a significant proportion of gangue and interbedded coal in surface coal mines. Consequently, raw coal has a broad range of particle size distributions and a hig...
{"title":"Study on particle size and density segregation law in the separating process of poor quality coal with high gangue content under the action of composite force field","authors":"Ruikang Fan, Jinke Zhao, Zhibin Guo, Yanwei Cao, Chenlong Duan, Enhui Zhou","doi":"10.1080/19392699.2024.2374849","DOIUrl":"https://doi.org/10.1080/19392699.2024.2374849","url":null,"abstract":"Thin-seam mining frequently captures a significant proportion of gangue and interbedded coal in surface coal mines. Consequently, raw coal has a broad range of particle size distributions and a hig...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"18 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141547246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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