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COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION

Yıl 2021, Cilt 60, Sayı 2, 77 - 82, 01.06.2021
https://doi.org/10.30797/madencilik.868572

Öz

Recent advances in high-tech applications have highlighted the growing demand on highly pure silicates like quartz. Therefore, purification of quartz ore was determined as the subject of this study performed by pyrometallurgical followed by hydrometallurgical processes. In this research, the effect of thermal treatment (TT) followed by oxalic acid (OA) bleaching of quartz was examined to have a better understanding on the relationship between Fe remaining in concentrate and colour response. The level of TT temperature was found to have a significant effect on the purification of quartz by OA. The maximum Fe rejection rate was observed to occur both for non-treated and TT quartz up to 250°C. TT between 400°C and 900°C showed poor purification performance: decreasing L* value, and increasing a* and b* values. It is important to note that further increase in TT temperature to 1100°C resulted in the poorest bleaching: Fe rejection rate decreased, but colour response improved providing the highest L* value and the lowest a* and b* values. This finding was explained by the formation of dissolution resistant iron silicates. Moreover, the rate of Fe removal from quartz ore and differences observed in its colour response by OA bleaching were explained by changes in crystalline structure and formation of microcracks.

Kaynakça

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KUVARS CEVHERİ SAFLAŞTIRILMASINA PİROMETALURJİK VE HİDROMETALURJİK PROSESLERİN BİLEŞKE ETKİSİ

Yıl 2021, Cilt 60, Sayı 2, 77 - 82, 01.06.2021
https://doi.org/10.30797/madencilik.868572

Öz

Yüksek teknoloji uygulamalarındaki güncel gelişmeler, yüksek saflıkta kuvars gibi silikatlara olan artan talebi gözler önüne sermiştir. Bu nedenle, bu çalışmanın konusu pirometalurjik ve devamında hidrometalurjik uygulamalarla kuvars cevherinin saflaştırılması olarak belirlenmiştir. Bu çalışmada, konsantre Fe tenorü ile renk değerleri arasındaki ilişkiyi daha iyi anlamak için kuvarsın termal işlem ve ardından oksalik asit (OA) ile ağartılması araştırılmıştır. Termal işlem sıcaklığının kuvarsın OA ile ağartılması üzerinde önemli bir etkiye sahip olduğu bulunmuştur. Hem termal işlem görmemiş hem de 250°C'ye kadar sıcaklıklarda termal işlem görmüş kuvarstan en yüksek oranda Fe uzaklaştırıldığı gözlenmiştir. 400°C - 900°C arası sıcaklıklarda gerçekleştirilen termal işlem sonucu en başarısız saflaştırma performansları gözlenmiştir: L* değeri düşmüş, a* ve b* değerleri artmıştır. Termal işlem sıcaklığının 1100°C’ye artırılması sonucu ağartma başarısız olmuş: en düşük oranda Fe uzaklaştırılırken, buna karşın en yüksek L* değeri ve en düşük a* ve b* değerlerini sağlayan en başarılı renk değerlerine ulaşılmıştır. Bu bulgu çözünmeye dirençli demir silikatların oluşumu ile açıklanmıştır. Ayrıca kuvars cevherinden okzalik asit liçi ile demir uzaklaştırma oranı ve renk değerlerinde gözlenen farklılıklar; termal işlem sonucu kristalin yapıdaki değişiklikler ve mikro çatlakların oluşumu ile açıklanmıştır.

Kaynakça

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Ayrıntılar

Birincil Dil İngilizce
Konular Mühendislik, Ortak Disiplinler
Bölüm Araştırma Makalesi
Yazarlar

Ahmet Deniz BAŞ> (Sorumlu Yazar)
MUĞLA SITKI KOÇMAN ÜNİVERSİTESİ
0000-0003-4633-9053
Türkiye

Yayımlanma Tarihi 1 Haziran 2021
Gönderilme Tarihi 26 Ocak 2021
Kabul Tarihi 19 Mart 2021
Yayınlandığı Sayı Yıl 2021, Cilt 60, Sayı 2

Kaynak Göster

Bibtex @araştırma makalesi { madencilik868572, journal = {Scientific Mining Journal}, issn = {2564-7024}, eissn = {2587-2613}, address = {Selanik Cad. No: 19/4 06650 Kızılay-Çankaya / ANKARA - TURKEY}, publisher = {TMMOB Maden Mühendisleri Odası}, year = {2021}, volume = {60}, number = {2}, pages = {77 - 82}, doi = {10.30797/madencilik.868572}, title = {COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION}, key = {cite}, author = {Baş, Ahmet Deniz} }
APA Baş, A. D. (2021). COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION . Scientific Mining Journal , 60 (2) , 77-82 . DOI: 10.30797/madencilik.868572
MLA Baş, A. D. "COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION" . Scientific Mining Journal 60 (2021 ): 77-82 <http://www.mining.org.tr/tr/pub/issue/62738/868572>
Chicago Baş, A. D. "COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION". Scientific Mining Journal 60 (2021 ): 77-82
RIS TY - JOUR T1 - KUVARS CEVHERİ SAFLAŞTIRILMASINA PİROMETALURJİK VE HİDROMETALURJİK PROSESLERİN BİLEŞKE ETKİSİ AU - Ahmet DenizBaş Y1 - 2021 PY - 2021 N1 - doi: 10.30797/madencilik.868572 DO - 10.30797/madencilik.868572 T2 - Scientific Mining Journal JF - Journal JO - JOR SP - 77 EP - 82 VL - 60 IS - 2 SN - 2564-7024-2587-2613 M3 - doi: 10.30797/madencilik.868572 UR - https://doi.org/10.30797/madencilik.868572 Y2 - 2021 ER -
EndNote %0 Bilimsel Madencilik Dergisi COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION %A Ahmet Deniz Baş %T COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION %D 2021 %J Scientific Mining Journal %P 2564-7024-2587-2613 %V 60 %N 2 %R doi: 10.30797/madencilik.868572 %U 10.30797/madencilik.868572
ISNAD Baş, Ahmet Deniz . "COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION". Scientific Mining Journal 60 / 2 (Haziran 2021): 77-82 . https://doi.org/10.30797/madencilik.868572
AMA Baş A. D. COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION. Madencilik. 2021; 60(2): 77-82.
Vancouver Baş A. D. COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION. Scientific Mining Journal. 2021; 60(2): 77-82.
IEEE A. D. Baş , "COMBINED EFFECT OF PYROMETALLURGICAL AND HYDROMETALLURGICAL PROCESSES ON QUARTZ ORE PURIFICATION", Scientific Mining Journal, c. 60, sayı. 2, ss. 77-82, Haz. 2021, doi:10.30797/madencilik.868572

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