Hadjiev, P., A. Hadjiev. 1992. Properties of the Solid Waste Obtained by Hydrometallurgical Processing of Molybdenum Concentrate, Annual of the University of Mining and Geology, vol. 38, part 3, 175-185.(in Bulgarian)
Hadjiev,P., A. Hadjiev. 1993. Properties of the solid waste obtained by hydrochemical processing of molybdenum concentrate. Sempozyumu tebligleri 40YIL MADEN FACULTESI, Istanbul, Turkey, 393-403.
[ 10900kB. ]
Hadjiev, A.. 1994. Assessment of the Solid and Aqueous Wastes Generated by the Gas Cleaning Systems at the Iron-Steel Works KREMIKOVTSI. Alternatives to Sanitary Landfill Disposal of Sludges. Post Graduated Diploma in Environmental Technology and Management, Thessaloniki, Greece.
Hadjiev,P., A. Hadjiev. 1994. Sedimentation and Filtration Properties of Rough Rare Earths Concentrate, Annual of the University of Mining and Geology, vol. 40, part 2, 241-243.(in Bulgarian)
Hadjiev, A., N. Ognyanova, M. Yovchev. 1994. Preliminary Assessment of Diatomite Material from Loznitza Deposit, Mining and geology, 8, 37-39. (in Bulgarian)
Alexiev, E., M. Damyanova, A. Hadjiev, R. Alexieva. 1995. A Hydrochemical Method for Production of Rare Earths and Strontium Concentrates from Phosphogypsum, Mining and geology, 8, 9-12.(in Bulgarian)
Hadjiev, A., P. Hadjiev. 1996. Latex Protective Coatings of Tailing Ponds and Cinder Piles, Annual of the University of Mining and Geology, vol. 41, part II, 161-164.(in Bulgarian)
Alexiev, E., M. Damyanova, R. Alexieva, A. Hadjiev. 1997. Hydrochemical Methods for Enrichment of Rare Earths and Strontium in Phosphogypsum, Engineering Geology and Hydrogeology, vol. 24, 77-82.(in Bulgarian)
Alexiev, E., M. Damyanova, E. Hrischeva, A. Hadjiev. 1996. Chemical and Mineralogical Characteristics of the Phosphogypsum, Geochemistry, Mineralogy and Petrology, vol. 31, 79-88.(in Bulgarian)
Vesselinov I., V. Kolarova, A. Hadjiev,E. Hrischeva, T. Kerestedjian. 1996. Mineralogical and geochemical characteristics of two tailings ponds of the Martinovo and Chiprovtsi ore dressing plants. Geochemistry, Mineralogy and Petrology 31, 89-102. (in Bulgarian)
Hadjiev, A., I. Ivanov. 1996. Characteristics of the Svidnya Massif Rocks and Their Prospective Use, Mining and geology, 2-3, 56-59. (in Bulgarian)
Vesselinov, I., V. Kolarova, A. Hadjiev, E. Hrischeva, T. Kerestedjian. 1996. The Low Grade Tailings of the Chelopech Mill, Mining and geology, 4, 11-14.(in Bulgarian)
Hadjiev,A., P. Hadjiev. 1997. Treatment of mine water at Assarel, Bulgaria, 15 Madencilik Kongresi, Ankara, Turkey, 253-256.
Hadjiev,P., A. Hadjiev. 1997. Investigation on substitution of copper cementation process from the solution of Assarel Mine with extraction and electrowining, 7th Balkan Mineral Processing Congress, Baia Mare, Romania, 394-400. (in Russian)
Somlev, V., S. Tishkov, A. Hadjiev. 1997. Complex treatment of drainage from tailing pond of hydrometallurgical plant processed uranium ore, Biotechnology for Waste Management and Site Restoration, NATO ASI Series, 2. Environment, vol.34, Kluwer Academic Publishers, 99-105.
Hadjiev, P., A. Hadjiev, M. Kuhn, D. Koppl. 1998. On usage of extraction and electrolysis in processing of copper-bearing solutions at ASSAREL mine, Nonferrous Metals, 4, 40-42.(in Russian)
Hadjiev,P., S. Petkova, A. Hadjiev. 1999. Ammonium perrhenate produced from molybdenum concentrate, 8th Balkan Mineral Processing Congress, Belgrade, Yugoslavia, 369-372.
Hadjiev,A., P. Hadjiev. 1998. Protective covering layers on waste stockpiles. XXX October Conference Proceedings, vol. 2, part 2, Bor, Yugoslavia, 440-443.
Bonev, I., T. Kerestedjian, A. Hadjiev, C. Andrew. 1998. Morphology of native gold in Chelopech ore deposit. Geochemistry, Mineralogy. and Petrology, 35, 3-16. (in Bulgarian)
Bonev, I., T. Kerestedjian, A. Hadjiev, C. Andrew. 1999. The native gold in ore concentrates from the Chelopech mine. Jubilee session in honor of Acad. Prof. I. Kostov. Jan. 20, Sofia, 5.
Z. Pecskay, A. Harkovska, A. Hadjiev. 2000. K-Ar dating of Mesta volcanics(SW Bulgaria), Geologica Balcanica 30, 1-2, 3-11.
Hadjiev, A., P. Hadjiev. 2000. Buildd up antideteriorative chemical-vegetative coat on tailings impoudment of Kremikovtzi ShH, 9th International Symposium ECOLOGY 2000 Bourgas, 113-118.
Hadjiev, A., P. Hadjiev, R. Georgiev. 2000. Flotation of barite from complex iron ore, International Conference on Processing of Fines, India, 222-230.
Kerestedjian, T., R. Atanassova, I. K. Bonev, V. Hristov, L. Yurukova, V. Arnaudov, A. Hadjiev, I. Apostolova, T. Meshinev. 2000. Environmental impact of the mining activity - a complex investigation in the Erma river valley, Madan ore district. Geochemistry, Mineralogy and Petrology, 37, 111-126.
Hadjiev,A. 2001. Mineralogical and technological features of a quartz-feldspar ore from Burdze deposit, 9th Balkan Mineral Processing Congress, Istanbul, Turkey, 235-240.
Hadjiev,A., P. Hadjiev. 2003. Mineralogical assessment and amenability of albitized granite occurring in Kanarata deposit, Proceedings of the 10th Balkan Mineral Processing Congress, Varna, Bulgaria, 18-22.
Hadjiev,P., A. Hadjiev. 2003. On some methods for surface erosion control on tailings ponds and waste fly-ash piles, 50 years University of Mining and Geology “St. Ivan Rilski” Annual of the University of Mining and Geology, vol. 46, part ˛˛, 197-199.
Hadjiev,A. 2007. Assessment of gold in sluice concentrate from sand-gravel installation Boboshevo, Proceedings of the International scientific technical conference “THE GOLD - METAL OF ALL TIMES”, 7 - 9 June 2007, Varna, 310-317.
Hadjiev,A. 2007. Reprocessing of noble metals containing slag by flotation with blend modified thionocarbamate and alkyl xantate Annual of the University of Mining and Geology, vol. 50, part ˛˛, 181-183.[1(5)]
Kunov, A., R. Nakov, A. Hikov, N. Velinova, S. Georgieva, A. Hadjiev. 2009. The alunite rocks in Bulgaria - raw and ecological material, Proceedings of the National Conference GEOSCINCES, BGS, 97-98.(in Bulgarian)
Last update: 8 January 2010