Effect of ash reduction on the grindability of some Turkish brown coals

D. Çuhadaroǧlu, A. A. Sirkeci, M. Bilen, S. Kizgut, S. Yilmaz, C. E. Yilmaz

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Özet

Coal can be regarded as an aggregation of organic and inorganic materials. Most of the minerals associated with the inorganic material are mainly clay minerals, quartz, carbonates, sulfides, and sulfates. In this study, brown coal samples were collected from 10 different brown coal pits in Turkey. Firslty, these coal samples were cleaned in terms of density seperation. Secondly, ash contents of original and clean coal samples were determined. Thirdly and finally, HGI (Hard Groove Index) values were determined for each sample of clean and run of mine coals. According to obtained HGI results for the run of mine coal samples; Gürmin-Merzifon brown coal has the highest HGI value as 68.5, while Saray-Tekirdaǧ brown coal has the lowest HGI value as 43.5, respectively. HGI results for the clean coal samples; Ilgin-Konya brown coal has the highest HGI value as 84.4, while Orhaneli-Bursa brown coal has the lowest HGI value as 40.8, respectively. Evaluating the all results of HGI and ash content analysis, as ash making minerals reduce down with density seperation, HGI values are tend to increase. Coals containing higher mineral contents are more difficult to fracture compared to the ones having less mineral content.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıIMCET 2017
Ana bilgisayar yayını alt yazısıNew Trends in Mining - Proceedings of 25th International Mining Congress of Turkey
EditörlerIrfan Bayraktar, Mehmet Ozyurt, Firat Atalay, Elif Torun Bilgic, Mehmet Karadeniz, Mehtap Gulsun Kilic, Oznur Onel
YayınlayanTMMOB Maden Muhendisleri Odasi
Sayfalar433-437
Sayfa sayısı5
ISBN (Elektronik)9786050110081
Yayın durumuYayınlandı - 2017
Etkinlik25th International Mining Congress of Turkey: New Trends in Mining, IMCET 2017 - Antalya, Turkey
Süre: 11 Nis 201714 Nis 2017

Yayın serisi

AdıIMCET 2017: New Trends in Mining - Proceedings of 25th International Mining Congress of Turkey

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???event.eventtypes.event.conference???25th International Mining Congress of Turkey: New Trends in Mining, IMCET 2017
Ülke/BölgeTurkey
ŞehirAntalya
Periyot11/04/1714/04/17

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