Reduction of Fe2MoO4 by hydrogen gas

被引：34

作者：

Morales, R

Arvanitidis, I

Sichen, D

Seetharaman, S

机构：

[1] Royal Inst Technol, Div Metallurgy, S-10044 Stockholm, Sweden

[2] Swedish Rock Engn Res, S-10074 Stockholm, Sweden

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2002年 / 33卷 / 04期

关键词：

D O I：

10.1007/s11663-002-0038-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present work, the reduction kinetics of iron molybdate (Fe2MoO4) by hydrogen gas was investigated by thermogravimetric analyses (TGA). Both isothermal and nonisothermal experiments were conducted. By using fine particles, very shallow powder bed, and high hydrogen flow rate, the study could be focused on the chemical reaction. The activation energy obtained from the isothermal experiments was found to be 173.5 kj/mol, which was in reasonable agreement with the value of 158.3 kj/mol obtained from the nonisothermal experiments. The reduction product was found to be an intermetallic compound, Fe2Mo, of microcrystalline structure.

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收藏

页码：589 / 594

页数：6

相关论文

共 23 条

[1] CONSTITUTION OF IRON-CHROMIUM-MOLYBDENUM ALLOYS AT 1200-DEGREES-F [J].

BAEN, SR ;

DUWEZ, P .

JOURNAL OF METALS, 1951, 3 (04) :331-335

[2] PHASE-DIAGRAM STUDY OF ALLOYS IN THE IRON-CHROMIUM-MOLYBDENUM-NICKEL SYSTEM [J].

BECHTOLDT, CJ ;

VACHER, HC .

JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1957, 58 (01) :7-19

[3] Reduction of FeWO4-NiWO4 solid solutions by hydrogen gas [J].

Bustnes, JA ;

Du, SC ;

Seetharaman, S .

METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 1998, 29 (05) :1136-1139

[4]

Bustnes JA, 2000, Z METALLKD, V91, P500

[5] APPLICATION OF A NONISOTHERMAL THERMOGRAVIMETRIC METHOD TO THE KINETIC-STUDY OF THE REDUCTION OF METALLIC OXIDES .2. A THEORETICAL TREATMENT OF POWDER BED REDUCTION AND ITS APPLICATION TO THE REDUCTION OF TUNGSTEN-OXIDE BY HYDROGEN [J].

BUSTNES, JA ;

SICHEN, D ;

SEETHARAMAN, S .

METALLURGICAL TRANSACTIONS B-PROCESS METALLURGY, 1993, 24 (03) :475-480

[6] Investigation of the kinetics of reduction of manganese tungstate by hydrogen [J].

Bustnes, JA ;

Sichen, D ;

Seetharaman, S .

SCANDINAVIAN JOURNAL OF METALLURGY, 2000, 29 (04) :151-155

[7] KINETIC-STUDIES OF REDUCTION OF COO AND COWO4 BY HYDROGEN [J].

BUSTNES, JA ;

SICHEN, DU ;

SEETHARAMAN, S .

METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 1995, 26 (03) :547-552

[8]

BUSTNES JA, 1996, P EPD C, P357

[9]

BUSTNESS JA, 1994, P EPD C TMS ANN M SA, P581

[10] DETERMINATION OF PHASE-DIAGRAM OF MO-FE SYSTEM USING DIFFUSION COUPLES [J].

HEIJWEGEN, CP ;

RIECK, GD .

JOURNAL OF THE LESS-COMMON METALS, 1974, 37 (01) :115-121