... dust, coal powder, etc into ball or pillow-shaped charcoal. The diameter of briquettes can be 20-60 mm.Four ... applied to various kinds of materials, such as coal powder, charcoal powder, coking coal, coke breeze, dusting ash, steel slag ... , coal slag, iron fine powder, aluminium ash powder, silicomanganese mineral powder, etc.Raw materials application1.coal2. Charcoal3. Desulfurization ...