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KALSİTİN DİK ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ

Yıl 2018, Cilt: 7 Sayı: 2, 838 - 847, 20.07.2018
https://doi.org/10.28948/ngumuh.445283

Öz

Bu
çalışmada, kalsitin dik ve yatay konumlandırılabilen karıştırmalı bilyalı
değirmende kuru öğütülmesinde öğütme yardımcısının etkisi incelenmiştir.
Değirmenin dik ve yatay konumundan elde edilen sonuçlar tane boyutu (d50
ve d90) göz önünde bulundurularak değerlendirilmiştir. Deney
sonuçlarından, dik konum için d50 ve d90 boyutları öğütme
yardımcısız yapılan deneylerle karşılaştırıldığında 2000 g/ton öğütme
yardımcısı kullanılmasıyla d50 boyutunda %40, d90
boyutunda ise %60 oranında bir iyileştirme sağlanabileceği görülmüştür. Yatay
konum için ise; d50 boyutunda %45, d90 boyutunda %62
oranında bir iyileştirme yapılabileceği anlaşılmıştır. Ayrıca, öğütme
yardımcılı (2000 g/ton) ve öğütme yardımcısı kullanılmadan (0 g/ton) yapılan
deneylerden elde edilen ürünlerin taramalı elektron mikroskobu (SEM)
görüntüleri çekilerek topaklanma durumları tespit edilmiştir.

Kaynakça

  • [1] AUSTIN, L.G., KLIMPEL, R.R. AND LUCKIE, P.T., "Process Engineering of Size Reduction: Ball Milling", SME, New York, 1984.
  • [2] EL-SHALL, H., SOMASUNDARAN, P., "Mechanisms of Grinding Modification by Chemical Additives: Organic Reagents", Powder Technology, 38, 267-273, 1984.
  • [3] REHBINDER, P.A., "Hardness Reduction through Adsorption of Surface Active Agents", Physik, V., 72, 191-205, 1931.
  • [4] WESTWOOD, A.R.C., GOLDHEIM, D.L., "Occurrence and Mechanism of Rehbinder Effects in CaF2", J. Appl. Physics, 39, 3401-3405, 1968.
  • [5] ROSE, H.E., SULLIVAN, R.M.E., "A Treatise on the Internal Mechanics of Ball, Tube and Rod Mills", Chemical Publishing Company, New York, NY, 1958.
  • [6] SAVAGE, K.L., AUSTIN, L.G., SUN, S.C., "Effect of The Environment During The Ultrafine Comminution of Silicon Carbide in A Laboratory Vibratory Mill", Trans. AIME, 225, 89-96, 1974.
  • [7] KLIMPEL, R., MANFROY, W., "Development of Chemical Grinding Aids and Their Effect on Selection-for-Breakage and Breakage Distribution Parameters in The Wet Grinding of Ores", XIIth Int. Min. Proc. Cong., Sao Paulo, Brazil, 1977.
  • [8] HANNA, K.M., GAMAL, A.E., "The Effect of Dispersing Agents on Fine Grinding of Limestone", Powder Technology, 17, 19-25, 1977.
  • [9] ÖZKAN, A., YEKELER, M., "Palp Reolojisinin Öğütme İşlemine Etkisi ve Kontrolü", Madencilik Dergisi, 40-47, 2001.
  • [10] LOWRISON, G.C., "Crushing and Grinding", CRC Press Inc., Cleveland, OH, 1979.
  • [11] EL-SHALL, H., SOMASUNDARAN, P., "Physico-Chemical Aspects of Grinding: A Review of Use of Additives", Powder Technology, 38, 275-293, 1984.
  • [12] ZHENG, J., HARRIS, C.C., SOMASUNDARAN, P., "The Effect of Additives on Stirred Media Milling of Limestone", Powder Technology, 91, 173-179, 1997.
  • [13] WANG, Y., FORSSBERG, E., "Enhancement of Energy Efficiency for Mechanical Production of Fine and Ultra-Fine Particles in Comminution", China Particuology, 5, 193-201, 2007.
  • [14] TOPRAK, N.A., "Öğütme Yardımcılarının ve Dayanım Arttırıcılarının Devre Performansı ve Çimento Kalitesi Üzerine Etkilerinin Araştırılması", Hacettepe Üniv., Fen Bilimleri Ens., Yüksek Lisans Tezi, 2014.
  • [15] LOCHER, F.W., SEEBACH, H.M., "Influence of Adsorption on Industrial Grinding", Ind. & Eng. Chem. Des. Develop., 11(2), 190-197, 1972.
  • [16] ORUMWENSE, O.A. AND FORSSBERG, E., "Superfine and Ultrafine Grinding-A Literature Survey", Mineral Processing and Extractive Metallurgy Review, 11, 107-127, 1992.
  • [17] JIMENEZ, S.J.L., "A Detailed Study on Stirred Ball Mill Grinding", The University of Utah, Department of Metallurgy and Metallurgical Engineering, Ph.D. Dissertation, 1981.
  • [18] FUERSTENAU, D.W., "Grinding Aids", Kona, 13, 5-18, 1995.
  • [19] SOHONI, S., SRIDAR, R. AND MANDAL, G., "The Effect of Grinding Aids on the Fine Grinding Limestone, Quartz and Portland Cement Clinker", Powder Technology, 67(3), 277-286, 1991.
  • [20] PARAMASIVAM, R., VEDARAMAN, R., "Effect of Physical Properties of Liquid Additives on Dry Grinding", Powder Technology, 70, 43-50, 1992.
  • [21] FORSSBERG, E., WANG, Y.M., PERSSON, H., "Dry Fine Grinding of Dolomite with the Sala Agitated Mill SAM 7.5-Effects of Grinding Media and Grinding Additive", Aufbereitungs-Technik, 36, 211-217, 1995.
  • [22] HASEGAWA, M., KIMATA, M., SHIMANE, M., SHOJI, T., TSURUTA, M., "The Effect of Liquid Additives on Dry Ultrafine Grinding of Quartz", Powder Technology, 114, 145-151, 2001.
  • [23] HASEGAWA, M., KIMATA, M. AND YAGUCHI, M., "Effect and Behavior of Liquid Additive Molecules in Dry Ultrafine Grinding of Limestone", (translated by KONA no: 24, 2006) Japan, J. Soc. Powder Technology, 178-184, 2005.
  • [24] TOPRAK, N.A., ALTUN, O., AYDOGAN, N., BENZER, H., "The Influences and Selection of Grinding Chemicals in Cement Grinding Circuits", Construction and Building Materials, 68, 199-205, 2014.
  • [25] ALTUN, O., TOPRAK, N.A., BENZER, H., ENDERLE, U., "Utilization of Grinding Aids in Dry Horizontal Stirred Milling", Powder Technology, 286, 610–615, 2015.
  • [26] TOPRAK, N.A., ALTUN, O., BENZER, H., "The Effect of Grinding Aids on Modelling of Air Classification of Cement", Construction and Building Materials, 160, 564-573, 2018.
  • [27] MANKOSA, M.J., ADEL, G.T. AND YOON, R.H., "Effect of Operating Parameters in Stirred Ball Mill Grinding of Coal", Powder Technology, 59, 255-260, 1989.
  • [28] SIVAMOHAN, R., VACHOT, P., "A Comparative Study of Stirred and Vibratory Mills for the Fine Grinding of Muscovite, Wollastonite and Kaolinite", Powder Technology, 61 (2), 119–129, 1990.
  • [29] GAO, M.W. AND FORSSBERG, E., "A Study on the Effect of Parameters in Stirred Ball Milling", Int. J. of Miner. Proc., 37, 45-59, 1993.
  • [30] WANG, Y. AND FORSSBERG, E., "Dispersants in Stirred Ball Mill Grinding", Kona, Particle and Powder, 13, 67-77, 1995.
  • [31] TUUNILA, R., "Ultra Fine Grinding of FGD and Phosphogypsum with an Attrition Bead Mill and a Jet Mill Optimization and Modelling of Grinding and Mill Comparison", Lappeenranta University of Technology, Doctoral Dissertation, 1997.
  • [32] CHOI, H., LEE, W., KIM, D.U., KUMAR, S., KIM, S.S., CHUNG, H.S., KIM, J.H. AND AHN, Y.C., "Effect of Grinding Aids on the Grinding Energy Consumed During Grinding of Calcite in a Stirred Ball Mill", Minerals Engineering, 23, 54-57, 2010.
  • [33] ÇAYIRLI, S., "Mikanın Karıştırmalı Bilyalı Değirmende Öğütülmesinde Öğütme Parametrelerinin Etkisinin Araştırılması", Eskişehir Osmangazi Ü. Fen Bil. Ens., Doktora Tezi, 2014.
  • [34] GOKCEN, H.S., CAYIRLI, S., UCBAS, Y., KAYACI, K., "The Effect of Grinding Aids on Dry Micro Fine Grinding of Feldspar", International Journal of Mineral Processing, 136, 42-44, 2015.
  • [35] TORAMAN, O.Y., CAYIRLI, S., UCURUM, M., "The Grinding-Aids Effect of Moisture, Triethanolamine (TEA) and Ethylene Glycol (EG) on Grinding Performance and Product Quality of Calcite", International Journal of Engineering Research & Science (IJOER), 2(12), 121-128, 2016.
  • [36] CAYIRLI, S., GOKCEN, H.S., "The Effect of Stirred Mill Orientation on Calcite Grinding", 15th European Symposium on Comminution & Classification / İzmir, Turkey, 2017.
  • [37] RYDIN, R.W., MAURICE, D., COURTNEY, T.H., "Milling Dynamics: Part 1. Attritor Dynamics: Results of a Cinematographic Study", Metall. Trans., 24A, 175–185, 1993.
  • [38] BARLEY, R.W., CONWAY-BAKER, J., PASCOE, R.D., KOSTUCH, J., MCLOUGHLIN, B., PARKER, D.J., "Measurement of the Motion of Grinding Media in a Vertically Stirred Mill Using Positron Emission Particle Tracking (PEPT) Part II", Minerals Engineering, 17, 1179-1187, 2004.
  • [39] PINKNEY, S.Z.R., RILEY, M., ROWSON, N.A., BLACKBURN, S., SKUSE, D., "Positron Emission Particle Tracking in a Vertical Stirred Media Mill", 23rd World Mining Congress, Montreal, Canada, 2013.
  • [40] VAN DER WESTHUIZEN, A.P., GOVENDER, I., MAINZA, A.N., RUBENSTEIN, J., "Tracking the Motion of Media Particles Inside an IsaMill™ Using PEPT", Minerals Engineering, 24, 195-204, 2011.

INVESTIGATION OF THE EFFECT OF GRINDING AID ON CALCITE GRINDING IN VERTICAL AND HORIZONTAL STIRRED BALL MILL

Yıl 2018, Cilt: 7 Sayı: 2, 838 - 847, 20.07.2018
https://doi.org/10.28948/ngumuh.445283

Öz

In
this study, the effect of grinding aid on dry calcite grinding using vertically
and horizontally orientable stirred ball mill was investigated. The results
obtained from the vertical and horizontal orientation of the mill were
evaluated based upon the particle size (d50 and d90). For
vertical orientation, experimental results indicated that the d50
and d90 sizes can be improved by 40% and 60%, respectively by using
grinding aid at 2000 g/t when compared to no aid condition. For horizontal
orientation, it was understood that improvement in d50 size by 45%
size and improvement in d90 size by 62% could be obtained. In
addition, agglomeration phenomena were determined by scanning electron
microscope (SEM) images of products obtained from the presence (2000 g/t) and
absence (0 g/t) of grinding aid.

Kaynakça

  • [1] AUSTIN, L.G., KLIMPEL, R.R. AND LUCKIE, P.T., "Process Engineering of Size Reduction: Ball Milling", SME, New York, 1984.
  • [2] EL-SHALL, H., SOMASUNDARAN, P., "Mechanisms of Grinding Modification by Chemical Additives: Organic Reagents", Powder Technology, 38, 267-273, 1984.
  • [3] REHBINDER, P.A., "Hardness Reduction through Adsorption of Surface Active Agents", Physik, V., 72, 191-205, 1931.
  • [4] WESTWOOD, A.R.C., GOLDHEIM, D.L., "Occurrence and Mechanism of Rehbinder Effects in CaF2", J. Appl. Physics, 39, 3401-3405, 1968.
  • [5] ROSE, H.E., SULLIVAN, R.M.E., "A Treatise on the Internal Mechanics of Ball, Tube and Rod Mills", Chemical Publishing Company, New York, NY, 1958.
  • [6] SAVAGE, K.L., AUSTIN, L.G., SUN, S.C., "Effect of The Environment During The Ultrafine Comminution of Silicon Carbide in A Laboratory Vibratory Mill", Trans. AIME, 225, 89-96, 1974.
  • [7] KLIMPEL, R., MANFROY, W., "Development of Chemical Grinding Aids and Their Effect on Selection-for-Breakage and Breakage Distribution Parameters in The Wet Grinding of Ores", XIIth Int. Min. Proc. Cong., Sao Paulo, Brazil, 1977.
  • [8] HANNA, K.M., GAMAL, A.E., "The Effect of Dispersing Agents on Fine Grinding of Limestone", Powder Technology, 17, 19-25, 1977.
  • [9] ÖZKAN, A., YEKELER, M., "Palp Reolojisinin Öğütme İşlemine Etkisi ve Kontrolü", Madencilik Dergisi, 40-47, 2001.
  • [10] LOWRISON, G.C., "Crushing and Grinding", CRC Press Inc., Cleveland, OH, 1979.
  • [11] EL-SHALL, H., SOMASUNDARAN, P., "Physico-Chemical Aspects of Grinding: A Review of Use of Additives", Powder Technology, 38, 275-293, 1984.
  • [12] ZHENG, J., HARRIS, C.C., SOMASUNDARAN, P., "The Effect of Additives on Stirred Media Milling of Limestone", Powder Technology, 91, 173-179, 1997.
  • [13] WANG, Y., FORSSBERG, E., "Enhancement of Energy Efficiency for Mechanical Production of Fine and Ultra-Fine Particles in Comminution", China Particuology, 5, 193-201, 2007.
  • [14] TOPRAK, N.A., "Öğütme Yardımcılarının ve Dayanım Arttırıcılarının Devre Performansı ve Çimento Kalitesi Üzerine Etkilerinin Araştırılması", Hacettepe Üniv., Fen Bilimleri Ens., Yüksek Lisans Tezi, 2014.
  • [15] LOCHER, F.W., SEEBACH, H.M., "Influence of Adsorption on Industrial Grinding", Ind. & Eng. Chem. Des. Develop., 11(2), 190-197, 1972.
  • [16] ORUMWENSE, O.A. AND FORSSBERG, E., "Superfine and Ultrafine Grinding-A Literature Survey", Mineral Processing and Extractive Metallurgy Review, 11, 107-127, 1992.
  • [17] JIMENEZ, S.J.L., "A Detailed Study on Stirred Ball Mill Grinding", The University of Utah, Department of Metallurgy and Metallurgical Engineering, Ph.D. Dissertation, 1981.
  • [18] FUERSTENAU, D.W., "Grinding Aids", Kona, 13, 5-18, 1995.
  • [19] SOHONI, S., SRIDAR, R. AND MANDAL, G., "The Effect of Grinding Aids on the Fine Grinding Limestone, Quartz and Portland Cement Clinker", Powder Technology, 67(3), 277-286, 1991.
  • [20] PARAMASIVAM, R., VEDARAMAN, R., "Effect of Physical Properties of Liquid Additives on Dry Grinding", Powder Technology, 70, 43-50, 1992.
  • [21] FORSSBERG, E., WANG, Y.M., PERSSON, H., "Dry Fine Grinding of Dolomite with the Sala Agitated Mill SAM 7.5-Effects of Grinding Media and Grinding Additive", Aufbereitungs-Technik, 36, 211-217, 1995.
  • [22] HASEGAWA, M., KIMATA, M., SHIMANE, M., SHOJI, T., TSURUTA, M., "The Effect of Liquid Additives on Dry Ultrafine Grinding of Quartz", Powder Technology, 114, 145-151, 2001.
  • [23] HASEGAWA, M., KIMATA, M. AND YAGUCHI, M., "Effect and Behavior of Liquid Additive Molecules in Dry Ultrafine Grinding of Limestone", (translated by KONA no: 24, 2006) Japan, J. Soc. Powder Technology, 178-184, 2005.
  • [24] TOPRAK, N.A., ALTUN, O., AYDOGAN, N., BENZER, H., "The Influences and Selection of Grinding Chemicals in Cement Grinding Circuits", Construction and Building Materials, 68, 199-205, 2014.
  • [25] ALTUN, O., TOPRAK, N.A., BENZER, H., ENDERLE, U., "Utilization of Grinding Aids in Dry Horizontal Stirred Milling", Powder Technology, 286, 610–615, 2015.
  • [26] TOPRAK, N.A., ALTUN, O., BENZER, H., "The Effect of Grinding Aids on Modelling of Air Classification of Cement", Construction and Building Materials, 160, 564-573, 2018.
  • [27] MANKOSA, M.J., ADEL, G.T. AND YOON, R.H., "Effect of Operating Parameters in Stirred Ball Mill Grinding of Coal", Powder Technology, 59, 255-260, 1989.
  • [28] SIVAMOHAN, R., VACHOT, P., "A Comparative Study of Stirred and Vibratory Mills for the Fine Grinding of Muscovite, Wollastonite and Kaolinite", Powder Technology, 61 (2), 119–129, 1990.
  • [29] GAO, M.W. AND FORSSBERG, E., "A Study on the Effect of Parameters in Stirred Ball Milling", Int. J. of Miner. Proc., 37, 45-59, 1993.
  • [30] WANG, Y. AND FORSSBERG, E., "Dispersants in Stirred Ball Mill Grinding", Kona, Particle and Powder, 13, 67-77, 1995.
  • [31] TUUNILA, R., "Ultra Fine Grinding of FGD and Phosphogypsum with an Attrition Bead Mill and a Jet Mill Optimization and Modelling of Grinding and Mill Comparison", Lappeenranta University of Technology, Doctoral Dissertation, 1997.
  • [32] CHOI, H., LEE, W., KIM, D.U., KUMAR, S., KIM, S.S., CHUNG, H.S., KIM, J.H. AND AHN, Y.C., "Effect of Grinding Aids on the Grinding Energy Consumed During Grinding of Calcite in a Stirred Ball Mill", Minerals Engineering, 23, 54-57, 2010.
  • [33] ÇAYIRLI, S., "Mikanın Karıştırmalı Bilyalı Değirmende Öğütülmesinde Öğütme Parametrelerinin Etkisinin Araştırılması", Eskişehir Osmangazi Ü. Fen Bil. Ens., Doktora Tezi, 2014.
  • [34] GOKCEN, H.S., CAYIRLI, S., UCBAS, Y., KAYACI, K., "The Effect of Grinding Aids on Dry Micro Fine Grinding of Feldspar", International Journal of Mineral Processing, 136, 42-44, 2015.
  • [35] TORAMAN, O.Y., CAYIRLI, S., UCURUM, M., "The Grinding-Aids Effect of Moisture, Triethanolamine (TEA) and Ethylene Glycol (EG) on Grinding Performance and Product Quality of Calcite", International Journal of Engineering Research & Science (IJOER), 2(12), 121-128, 2016.
  • [36] CAYIRLI, S., GOKCEN, H.S., "The Effect of Stirred Mill Orientation on Calcite Grinding", 15th European Symposium on Comminution & Classification / İzmir, Turkey, 2017.
  • [37] RYDIN, R.W., MAURICE, D., COURTNEY, T.H., "Milling Dynamics: Part 1. Attritor Dynamics: Results of a Cinematographic Study", Metall. Trans., 24A, 175–185, 1993.
  • [38] BARLEY, R.W., CONWAY-BAKER, J., PASCOE, R.D., KOSTUCH, J., MCLOUGHLIN, B., PARKER, D.J., "Measurement of the Motion of Grinding Media in a Vertically Stirred Mill Using Positron Emission Particle Tracking (PEPT) Part II", Minerals Engineering, 17, 1179-1187, 2004.
  • [39] PINKNEY, S.Z.R., RILEY, M., ROWSON, N.A., BLACKBURN, S., SKUSE, D., "Positron Emission Particle Tracking in a Vertical Stirred Media Mill", 23rd World Mining Congress, Montreal, Canada, 2013.
  • [40] VAN DER WESTHUIZEN, A.P., GOVENDER, I., MAINZA, A.N., RUBENSTEIN, J., "Tracking the Motion of Media Particles Inside an IsaMill™ Using PEPT", Minerals Engineering, 24, 195-204, 2011.
Toplam 40 adet kaynakça vardır.

Ayrıntılar

Birincil Dil Türkçe
Konular Mühendislik
Bölüm Maden Mühendisliği
Yazarlar

Serkan Çayırlı 0000-0003-3348-6601

Hasan Serkan Gökçen Bu kişi benim 0000-0001-5093-6796

Yayımlanma Tarihi 20 Temmuz 2018
Gönderilme Tarihi 17 Nisan 2018
Kabul Tarihi 23 Mayıs 2018
Yayımlandığı Sayı Yıl 2018 Cilt: 7 Sayı: 2

Kaynak Göster

APA Çayırlı, S., & Gökçen, H. S. (2018). KALSİTİN DİK ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 7(2), 838-847. https://doi.org/10.28948/ngumuh.445283
AMA Çayırlı S, Gökçen HS. KALSİTİN DİK ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ. NÖHÜ Müh. Bilim. Derg. Temmuz 2018;7(2):838-847. doi:10.28948/ngumuh.445283
Chicago Çayırlı, Serkan, ve Hasan Serkan Gökçen. “KALSİTİN DİK Ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ”. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi 7, sy. 2 (Temmuz 2018): 838-47. https://doi.org/10.28948/ngumuh.445283.
EndNote Çayırlı S, Gökçen HS (01 Temmuz 2018) KALSİTİN DİK ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi 7 2 838–847.
IEEE S. Çayırlı ve H. S. Gökçen, “KALSİTİN DİK ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ”, NÖHÜ Müh. Bilim. Derg., c. 7, sy. 2, ss. 838–847, 2018, doi: 10.28948/ngumuh.445283.
ISNAD Çayırlı, Serkan - Gökçen, Hasan Serkan. “KALSİTİN DİK Ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ”. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi 7/2 (Temmuz 2018), 838-847. https://doi.org/10.28948/ngumuh.445283.
JAMA Çayırlı S, Gökçen HS. KALSİTİN DİK ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ. NÖHÜ Müh. Bilim. Derg. 2018;7:838–847.
MLA Çayırlı, Serkan ve Hasan Serkan Gökçen. “KALSİTİN DİK Ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ”. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, c. 7, sy. 2, 2018, ss. 838-47, doi:10.28948/ngumuh.445283.
Vancouver Çayırlı S, Gökçen HS. KALSİTİN DİK ve YATAY KARIŞTIRMALI DEĞİRMENDE ÖĞÜTÜLMESİNDE ÖĞÜTME YARDIMCISININ ETKİSİNİN İNCELENMESİ. NÖHÜ Müh. Bilim. Derg. 2018;7(2):838-47.

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