Journal of Chemical Technology and Metallurgy
49, Iss. 1, 2014
ISSN 1314-7471 (print)
ISSN 1314-7978 (on line)
EDITOR-IN- CHIEF
Prof. Dr. Bogdana Koumanova
Tel: (+ 359 2) 81 63 302
University of Chemical Technology and Metallurgy,
8 Kl. Ohridski ., 1756 Sofia, Bulgaria
E-mail: journal@uctm.edu
EFFECT OF GERMANIUM ON ZINC
ELECTROWINNING SULFATE SOLUTIONS
Erduan Mehmed, Vladislava Stefanova, Bisserka Lucheva
RECOVERY OF COPPER AND SILVER FROM WAELZ CLINKER
WASTED FROM ZINC PRODUCTION
Bisserka Lucheva, Peter Iliev, Katia Draganova, Vladislava Stefanova
ANALYTICAL STUDY OF THE WAELZ CLINKER DISSOLUTION
IN NH3 - (NH4)2SO4 SYSTEM
Katia Draganova, Vladislava Stefanova, Peter Iliev, Bisserka Lucheva
INVESTIGATION ON FATIGUE BEHAVIOR AND FATIGUE CRACK GROWTH
OF SPRING STEEL. PART I. WÖHLER CURVE AND FRACTURE SURFACES
Lyubov Nikolova, Rozina Yordanova, Donka Angelova
ON FACTORS INFLUENCING FATIGUE PROCESS
IN STEEL 316L USED IN HYDROGEN ENERGY TECHNOLOGIES
Donka Angelova, Rozina Yordanova, Tsvetelina Lazarova
SURFACE MODIFICATION OF STEELS BY ELECTRICAL DISCHARGE
TREATMENT IN ELECTROLYTE
Dimitar Krastev, Vesselin Paunov, Boyan Yordanov, Velichka Lazarova
FORMATION OF MOLYBDENUM CARBIDE DURING CARBIDIZATION
OF MOLYBDENUM CHIPS WITH POWDERED CARBON
AT ELECTROTHERMAL ROTARY BED CONDITION
Boyan Yordanov, Dimitar Krastev, Aleksander Davidkov, Krastyo Klyavkov
PRODUCTION EFFICIENCY
OF A FERRO-MOLIBDENUM ALLOY
Maksim Marinov, Georgi Mushev, Petar Petrov, Rossitsa Paunova, Radost Aleksandrova
BALANCE MODELING OF THE PROCESS FOR SiCaV ALLOY PRODUCING
FROM WASTE VANADIUM CATALYST
Petar Petrov, Maksim Marinov, Plamen Todorov, Radost Alexandrova, Rossitsa Paunova
SIMULATION OF ACCELERATED STRIP COOLING
ON THE HOT ROLLING MILL RUN-OUT ROLLER TABLE
Urij Muhin, Toncho Koinov, Sergej Belskij, Evgenij Makarov
APPLICATION OF BETWEEN-STAND COOLING
IN THE PRODUCTION OF HOT-ROLLED STRIPS
Urij Muhin, Toncho Koinov, Sergej Belskij, Evgenij Makarov
QUALITY CONTROL SYSTEM FOR A HOT-ROLLED METAL SURFACE
Igor Mazur, Toncho Koinov
STUDY ON THE INFLUENCE OF THE ANTI BENDING FORCE
OF WORKING ROLLS ON THE WIDENING IN HOT ROLLING OF THIN SHEET
Urij Muhin, Sergej Belskij, Toncho Koinov
GEOMETRICAL CHARACTERISTICS
OF THE SOLID BED IN A ROTARY KILN
Rayko Stanev, Iliyan Mitov, Eckehard Specht, Fabian Herz
STUDY ОN ТHE BEHAVIOUR OF FLOTATION FAYALITE WASTE
FROM COPPER PRODUCTION AT NONISOTHERMAL HEATING
Radost Alexandrova, Rossitsa Paunova, Maksim Marinov, Petar Petrov
MODELING OF BIOMASS GASIFICATION
Venko Petkov, Emil Mihailov, Nadezhda Kazakova
AN ALGORITHM FOR METALLURGICAL
WASTE MINIMIZATION
Dimitar Borisov, Boris Stefanov, Stoyan K. Stoyanov
NUMERICAL INVESTIGATION OF THERMAL AND FLUID DYNAMIC
BEHAVIOR OF SOLAR CHIMNEY BUILDING SYSTEMS
Oronzio Manca, Sergio Nardini, Paolo Romano, Emil Mihailov