Spontaneous combustion of coal is one of the main natural disasters in the process of coal mining, and spontaneous combustion of sulfur-containing coal is an urgent problem to be solved. In order t...
{"title":"Analysis of temperature rise of low temperature adiabatic oxidation of sulfur-containing “coal-like substances”","authors":"Yanrui Guo, Xiaogang Mu, Cunbao Deng, Hongfei Duan, Ling Qiao, Qianru Du, Peng Jing","doi":"10.1080/19392699.2024.2341955","DOIUrl":"https://doi.org/10.1080/19392699.2024.2341955","url":null,"abstract":"Spontaneous combustion of coal is one of the main natural disasters in the process of coal mining, and spontaneous combustion of sulfur-containing coal is an urgent problem to be solved. In order t...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"51 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580754","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 : 2024-04-14DOI: 10.1080/19392699.2024.2341950
Mohamed Taha Osman Abdelraheem, Osman Agca, Tevfik Agacayak, Selma Duzyol
In this study, the conditions for obtaining clean coal from fine-grained lignite suspensions by two-stage hydrophobic flocculation using different waste oils were investigated. Waste vegetable oil,...
本研究探讨了使用不同废油通过两级疏水絮凝从细粒褐煤悬浮液中获得精煤的条件。废植物油、...
{"title":"Cleaning of fine-grained lignite by two-stage hydrophobic flocculation using different waste oils","authors":"Mohamed Taha Osman Abdelraheem, Osman Agca, Tevfik Agacayak, Selma Duzyol","doi":"10.1080/19392699.2024.2341950","DOIUrl":"https://doi.org/10.1080/19392699.2024.2341950","url":null,"abstract":"In this study, the conditions for obtaining clean coal from fine-grained lignite suspensions by two-stage hydrophobic flocculation using different waste oils were investigated. Waste vegetable oil,...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"62 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580559","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 : 2024-04-14DOI: 10.1080/19392699.2024.2339340
Lethukuthula Vilakazi, Daniel Madyira
The gross calorific value (GCV), also known as the higher heating value (HHV) of coal is the amount of heat emitted upon complete combustion of coal. The GCV of coal is used to estimate various tec...
{"title":"Estimation of gross calorific value of coal: A literature review","authors":"Lethukuthula Vilakazi, Daniel Madyira","doi":"10.1080/19392699.2024.2339340","DOIUrl":"https://doi.org/10.1080/19392699.2024.2339340","url":null,"abstract":"The gross calorific value (GCV), also known as the higher heating value (HHV) of coal is the amount of heat emitted upon complete combustion of coal. The GCV of coal is used to estimate various tec...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"30 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580537","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 : 2024-04-14DOI: 10.1080/19392699.2024.2341953
Fida Hussain Channa, Sultan Ahmed Khoso, Suhail Ahmed Soomro, Muhammad Aslam Uqaili
Coal remains the backbone of developing countries’ energy needs and economic development. Coal with improved quality standards is in high industrial demand as it emits minimal CO2, NOx, and SOx. Th...
{"title":"Studies on sulfur liberation characteristics of Pakistani high sulfur low-rank coal using Hardgrove grinding","authors":"Fida Hussain Channa, Sultan Ahmed Khoso, Suhail Ahmed Soomro, Muhammad Aslam Uqaili","doi":"10.1080/19392699.2024.2341953","DOIUrl":"https://doi.org/10.1080/19392699.2024.2341953","url":null,"abstract":"Coal remains the backbone of developing countries’ energy needs and economic development. Coal with improved quality standards is in high industrial demand as it emits minimal CO2, NOx, and SOx. Th...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"34 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580802","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 : 2024-04-14DOI: 10.1080/19392699.2024.2341951
Lei Xiao, Yunjiao Yang, Rui Wang, Xiujuan Feng, Jinghua Yao
In this study, bio-briquette was prepared with lignite and wheat straw by mechanical thermal expression (MTE) process and analyzed using an optical microscope (OM), scanning electron microscope (SE...
{"title":"Binding mechanism in bio-briquette prepared with wheat straw and lignite by mechanical thermal expression process","authors":"Lei Xiao, Yunjiao Yang, Rui Wang, Xiujuan Feng, Jinghua Yao","doi":"10.1080/19392699.2024.2341951","DOIUrl":"https://doi.org/10.1080/19392699.2024.2341951","url":null,"abstract":"In this study, bio-briquette was prepared with lignite and wheat straw by mechanical thermal expression (MTE) process and analyzed using an optical microscope (OM), scanning electron microscope (SE...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"52 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580541","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 : 2024-04-09DOI: 10.1080/19392699.2024.2339347
Wenhua Yi, Shanjun Liu, Chao Zhang, Ruibo Ding, Haoran Wang
The identification of the coal and rock is an important part in the process of coal preparation. Thermal imaging is an effective way to identify coal and rock. However, the current research lacks i...
{"title":"Thermal imaging identification of coal and rock in northern China under thermal excitation——experiment and theoretical model","authors":"Wenhua Yi, Shanjun Liu, Chao Zhang, Ruibo Ding, Haoran Wang","doi":"10.1080/19392699.2024.2339347","DOIUrl":"https://doi.org/10.1080/19392699.2024.2339347","url":null,"abstract":"The identification of the coal and rock is an important part in the process of coal preparation. Thermal imaging is an effective way to identify coal and rock. However, the current research lacks i...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"1992 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580313","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}
3-D numerical simulations based on diffusion combustion technology were employed to optimize the multi-stage air/gas supply system in a coke oven battery with 7.1 m coking chambers. In the heating ...
{"title":"Numerical simulation and optimization of the multi-stage air/gas supply system in a coke oven battery with 7.1 m coking chambers","authors":"Ruobing Yan, Yanjun Liu, Chengwu Dai, Sheng Wu, Haijiang Tian, Yueyue Li, Chengpeng Xiang, Leping Dang, Hongyuan Wei","doi":"10.1080/19392699.2024.2339328","DOIUrl":"https://doi.org/10.1080/19392699.2024.2339328","url":null,"abstract":"3-D numerical simulations based on diffusion combustion technology were employed to optimize the multi-stage air/gas supply system in a coke oven battery with 7.1 m coking chambers. In the heating ...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"12 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580316","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}
Preparation of high modulus solution and high Al/Si residue via leaching SiO2 is a key for large amount utilization of coal gangue based on ferric oxide assisted roasting – alkali leaching silica p...
{"title":"Leaching mechanism of SiO2 in activated kaolinite clinker with low modulus sodium silicate solution","authors":"Peng Wang, Tiangui Qi, Xiaobin Li, Yilin Wang, Leiting Shen, Guihua Liu, Zhihong Peng, Qiusheng Zhou","doi":"10.1080/19392699.2024.2339324","DOIUrl":"https://doi.org/10.1080/19392699.2024.2339324","url":null,"abstract":"Preparation of high modulus solution and high Al/Si residue via leaching SiO2 is a key for large amount utilization of coal gangue based on ferric oxide assisted roasting – alkali leaching silica p...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"48 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580481","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 : 2024-04-09DOI: 10.1080/19392699.2024.2339319
Abiodun Ismail Lawal, Samson Oluwaseyi Bada, Moshood Onifade
Hardgrove grindability index (HGI) is a significant index used to determine a mill’s capability and overall efficiency in the grinding of coal. There are several factors that affect HGI due to the ...
{"title":"Prediction of HGI of South African coalfields: a comparative application of ANN, SVR and LSTM models","authors":"Abiodun Ismail Lawal, Samson Oluwaseyi Bada, Moshood Onifade","doi":"10.1080/19392699.2024.2339319","DOIUrl":"https://doi.org/10.1080/19392699.2024.2339319","url":null,"abstract":"Hardgrove grindability index (HGI) is a significant index used to determine a mill’s capability and overall efficiency in the grinding of coal. There are several factors that affect HGI due to the ...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"34 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580317","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 : 2024-04-02DOI: 10.1080/19392699.2024.2336062
Mahmut Suat Delibalta
The aim of this study is to compare the changes in the heating value of Turkish coal (Konya-Ilgın) with bubbling fluidized bed drying (BFBD) and oven drying (OD). The changes mentioned at three dif...
{"title":"Bubbling fluidized bed and oven drying for Turkish coal: a comparative study","authors":"Mahmut Suat Delibalta","doi":"10.1080/19392699.2024.2336062","DOIUrl":"https://doi.org/10.1080/19392699.2024.2336062","url":null,"abstract":"The aim of this study is to compare the changes in the heating value of Turkish coal (Konya-Ilgın) with bubbling fluidized bed drying (BFBD) and oven drying (OD). The changes mentioned at three dif...","PeriodicalId":13941,"journal":{"name":"International Journal of Coal Preparation and Utilization","volume":"13 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2024-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140580613","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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