MÉTODO PARA PÓS-TRATAMENTO DE NEGRO DE FUMO

• Main Authors: FRANK STENGER, MANFRED NAGEL, KLAUS BERGEMANN
• Format: Patent
• Language: Portuguese
• Published: 03.11.2015
• Subjects: ADHESIVES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; DYES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; POLISHES; PREPARATION OF CARBON BLACK; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES

MÉTODO PARA PÓS-TRATAMENTO DE NEGRO DE FUMO. A presente invenção refere-se a um método para pós-tratamento de negro de fumo. O negro de fumo é soprado com um gástransportador na área inferior de um aparelho de leito fluidizado, um fluxo de gás adicional é introduzido no referido aparelho de leito fluidizado e o negro de fumo é póstratado no leito fluidizado desse modo obtido. The invention relates to a process for aftertreating carbon black, wherein the carbon black is subjected to a carrier gas flow in a fluidized bed apparatus in the lower region of the apparatus, an additional gas stream is introduced into the fluidized bed apparatus, and the carbon black is aftertreated in the fluidized bed which arises.