钢铁钒钛

PRELIMINARY STUDY ON THERMODYNAMICS OF Fe-Ga-C MELT

ZHAO Hutian, ZHOU Rongzhang, LIN Zongcai

1993, 14(4): 1-5.

Abstract(55) PDF(1)

Abstract:
Through the calculation and experiment,some thermodynamic parameters,ie,are obtained which are applied to thermodynamic calculations for extracting Ga from Ga-bearing hot metal.

EQUILIBRIUM DETERMINATION OF Fe-Ga-O SYSTEM

DONG Lizheng, ZHAO Yuxiang

1993, 14(4): 6-9.

Abstract(61) PDF(1)

Abstract:
Under Ar Protection in molybdenum-wound furnace oxygen activity at Fe-Ga-C ternary system equilibrium,with Ga content ranging from 1.87% to 6.21%,was determined by the solid electrolyte oxygen probe.The relation between the temperature and thermodvnamic parameters such as standard free energy etc.,o...

A STUDY ON THERMODYNAMIC BEHAVIOR OF Fe-Ga-C SYSTEM

DONG Lizheng, ZHAO Yuxiang

1993, 14(4): 10-14.

Abstract(58) PDF(3)

Abstract:
This paper describes the thermodynamic behvior of Fe-Ga-C system in the gallium-bearing molten iron.mainly dealing with an investigation into the influence of dissolved gallium (concentration ranging from 0.11% to 9.33%) on the solubility of carbon in the molteniron at various temperatures.The exper...

BRIEF REPORT ON DETERMING THERMODYNAMICS OF Fe-Ga-X-O MELT

XIAO Hancheng, ZHAO Yuxiang

1993, 14(4): 15-16.

Abstract(55) PDF(1)

Abstract:
Investigation has been made into the influence of common elements in the hot metal,ie,Si.Mn,V and Ti,on the gallium activity.And interaction coefficents between Si,Mn,V and Ti were determined.eGaX was calculated based on X-O equilibrium of Fe-Ga-X-O melt.

THERMODYNAMIC ANALYSIS OF Ga EXTRACTION FROM MOLTEN IRON

WU Pingnan, PAN Yifang

1993, 14(4): 17-23.

Abstract(66) PDF(1)

Abstract:
The possibility of removal of gallium from hot metal by chlorination treatment is discussed from the point of view of thermodynamics.The thermodynamic analysis shows that the chlorination treatment is more beneficial than conventional oxidation treatment of hot metal to remove gallium.

RECOVERY OF Ga FROM HOT METAL BY CHLORINATION TREATMENT

PAN Yifang, WU Pingnan

1993, 14(4): 24-27.

Abstract(92) PDF(1)

Abstract:
Gallium in hot metal is removed by chlorination treatment using iron chloride as chlorination agents.Effects of temperature,injection depth of agents,and coexisting elements on the recovery of gallium are discussed.It is concluded that evaporated gallium chloride can be easily enriched in the water ...

THERMODYNAMIC CALCULATION ON CHLORIDIZING VOLATILIZATION OF Ga DURING SODIUMINATION ROASTING OF V-SLAG

LI Hong, WU Pingnan, ZHOU Rongzhang

1993, 14(4): 28-32.

Abstract(72) PDF(1)

Abstract:
This paper deals with,from the point of view of thermodynamics,the possibility of NaCl addition to chloridizing Volatilization of Ga during Sodiumination roasting of V-slag,in a temperature range 600~1200K.Conclusions are drawn that the magnitude of Cl₂-O₂ ratio is considerably related to the format...

INFLUENCE OF p_{O₂ ON EXTRACTING Ga FROM V-CONTAINING SLAG BY SODA CHLORINATION ROASTING}

WANG Xinhua, ZHOU Rongzhang

1993, 14(4): 33-38.

Abstract(69) PDF(1)

Abstract:
Gallium is a rare scattered metal of important uses.The V-containing slag produced by Panzhihua Steel Co.contains Ga₂0₃.In this paper,the influence of the p_O₂ on extracting Ga from the V-containing slag is discussed based on thermodynamic analysis and experimental results.The predominance diagram of...

STUDY ON EXTRACTING Ga FROM V-CONTAINING SLAG BY CHLORINATION ROASTING

HAN Shizhong, WANG Xinhua, ZHOU Rongzhang

1993, 14(4): 39-43.

Abstract(71) PDF(2)

Abstract:
Chlorination roasting was conducted on V-containing slag with NaCl and carbon powders at 500~1300℃ to extract Ga from the slag.The experimental results indicated that the chlorination rate of Ga₂O₃ was significantly affected by the roasting temperature.The chlorination rate of Ga₂O₃ increases with r...

EXPERIMENTAL STUDY ON CHLORIDIZING VOLATILIZATION OF Ga DURING SODIUMINATION ROASTING OF V-SLAG

LI Hong, WANG Xinhua, ZHOU Rongzhang

1993, 14(4): 44-50.

Abstract(79) PDF(2)

Abstract:
This research makes an exploitation on the law of chloridizing volatilization of gallium during vanadium slag roasting with single addition of NaCl and with simultaneous addition of Na₂CO₃ and NaCl in a temperature range of 200~1000℃.When NaCl is solely added to vanadium slag for mixed roasting.the ...

CHLORIDIZING VOLATILIZATION OF Ga DURING SODIUMINATIONROASTING OF V-SLAG WITH CARBON ADDITION

LI Hong, ZHOU Rongzhang

1993, 14(4): 51-57.

Abstract(59) PDF(1)

Abstract:
This paper deals with the chloridizing volatilization of Ga and conversion of vanadium into water-soluable vanadium by mixed roasting with addition of activated carbon and liquid pulp containing carbon to V-slag,NaCl and Na₂CO₃ at a low temperature of 400℃ and a medium temperature of 800℃.The result...

EXTRACTING Ga FROM V-LEACHING SLAG BY CHLORIDIZING ROASTING

GUO Hanjie, LIN Jie, ZHOU Rongzhang, LIN Zongcai, ZHAO Yuxiang

1993, 14(4): 58-66.

Abstract(83) PDF(1)

Abstract:
Ga extraction from vanadium-leaching slag by chloridizing roasting is simulated using SMT;with combination of the traditional orthogonal design,regression analysis and nonlinear program,a new optimization experiment design has been made to obtain the optimum technological conditions with the minimum...

EXTRACTING Ga FROM V-LEACHING SLAG BY SMELTING REDUCTION(SR)——THE PROCESS OF SR WITH CARBON UNSATURATED

GUO Hanjie, ZHOU Rongzhang, LIN Zongcai, ZHAO Yuxiang

1993, 14(4): 67-74.

Abstract(72) PDF(1)

Abstract:
The extraction of Ga from vanadium-leaching slag has been simulated by SMT.The rate of Ga reduction under different conditions,such as carbon content,CaO content,reduction time and temperature,has been studied;The kinetics of Ga extraction has been studied;The Reduction rate is limited by the chemic...

EXTRACTING Ga FROM V-LEACHING SLAG BY SMELTING REDUCTION——THE PROCESS OF SR WITH CARBOR SATURATED

GUO Hanjie, ZHOU Rongzhang, LIN Zongcai, ZHAO Yuxiang

1993, 14(4): 75-81.

Abstract(67) PDF(1)

Abstract:
With combination of the traditional orthogonal design and regression analysis a nonlinear model of Ga extraction from V-leaching slag by smelting reduction has been obtained.Optimum results and conditions have also been obtained with a synthetical study of the recovery of Ga,Fe and Mn.The volatility...

EXPERIMENTAL STUDY ON EXTRACTING Ga WITH ALKALINE LEACHING FROM Ga-CONTAINING V-LEACHED RESIDUE

LI Hong, LI Jingjie, WANG Wanjun, ZHOU Rongzhang

1993, 14(4): 82-87.

Abstract(66) PDF(1)

Abstract:
This research is regarded as one of the fundamental studies on extracting vanadium and gallium with autoclave leaching after oxygen blast oxidizing Ga-containing hot V-slag.The orthogonal test was adopted to carry out the experiment of extracting gallium with alkaline leaching from V-leached residue...

DETERMINATION OF MELTING POINT OF CaO-SiO₂-Ga₂O₃ SYSTEM

GUO Hanjie, ZHAO Yuxiang

1993, 14(4): 88-94.

Abstract(82) PDF(1)

Abstract:
This paper lays a foundation in the investigation into the characteristics of Ga₂O₃ containing slag.The isomelting-point contour of the ternary system of CaO-SiO₂-Ga₂O₃ was measured.The phase analysis has not been carried out in the test since our purpose is to provide a temperature dependent meltin...

DETERMINATION OF TRACE Ga IN IRON AND SLAG WITH PHOTOMETRIC METHOD

LI Jingjie, LI Hong, ZHANG Zangshu, ZHOU Rongzhang

1993, 14(4): 95-98.

Abstract(66) PDF(1)

Abstract:
Determination of gallium is carried out by means of photometric analysis,in which Rhodamine as the developing agent,benzene butyl acetate is used for extraction by hydrochloric acid with the acidity of 5.5 mol/L.In order to suit for determination of various samples,supplemental experiments under spe...

1993 Vol. 14, No. 4