Tungsten tetrabromide (WBr4) and tungsten tetrachloride (WCl4) differ significantly in their production methods.
The production methods of tungsten tetrabromide mainly include bromination method and pyrolysis method. The bromination method is to react tungsten powder with a brominating agent (such as bromine) at high temperature to generate tungsten tetrabromide. The pyrolysis method is to heat and decompose tungsten halides (such as tungsten tribromide or tungsten trichloride) to generate tungsten tetrabromide. The key of these two methods is to control the reaction temperature and the ratio of raw materials to ensure product quality and yield. In addition, during the production process, it is also necessary to pay attention to safe operation and environmental protection, such as closed system, ventilation and exhaust gas treatment, etc.
In contrast, the production methods of tungsten tetrachloride mainly include chloride method and pyrolysis method. The chlorination method is to react tungsten powder with a chlorinating agent (such as tin chloride) at high temperature to generate tungsten tetrachloride. The pyrolysis method is to heat and decompose tungsten halides (such as tungsten trichloride) to generate tungsten tetrachloride. Equally, the key of these two kinds of methods is to control reaction temperature and raw material ratio, to ensure product quality and productive rate. In addition, during the production process, it is also necessary to pay attention to safe operation and environmental protection, such as closed system, ventilation and exhaust gas treatment, etc.
In actual production, there may be some differences in the production methods of tungsten tetrabromide and tungsten tetrachloride. Due to the active nature of bromine and chlorinating agents, the production process of tungsten tetrabromide may be relatively dangerous, requiring stricter operating procedures and safety measures. The production process of tungsten tetrachloride may be relatively stable, but it is also necessary to pay attention to the storage and use safety of raw materials.
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