PRODUCTION OF CARBON BLACK

PURPOSE:To produce a carbon black having low ash content in improved addition efficiency of additive compounds, preventing the damage of furnace by introducing an alkali metal compound or alkaline-earth metal compound into an alkali burner or into a production furnace after ionization. CONSTITUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAGAMI AKINORI, KANAMARU SHINICHI, HISA HIDEYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	PURPOSE:To produce a carbon black having low ash content in improved addition efficiency of additive compounds, preventing the damage of furnace by introducing an alkali metal compound or alkaline-earth metal compound into an alkali burner or into a production furnace after ionization. CONSTITUTION:An alkali metal compound and/or an alkaline-earth metal compound are charged into a combustion chamber 2 and introduced from an alkali burner 18 to burn a mixture of a fuel and an oxygen-containing gas and produce a carbon black. As an alternative method, said compound is ionized with an ionization chamber using an alkaline-earth metal compound (e.g., CaCl2) and the ionized compound is introduced into a furnace to produce a carbon black. A carbon black having controlled structure and surface area can be produced in a state of low ash content.