Production process of amorphous silica-alumina catalyst from coal fly ash for catalytic pyrolysis of wasteplastics

摘要

PURPOSE: A manufacturing process of amorphous silica alumina catalysts for pyrolyzing waste plastic using coal fly ash is provided to repeatedly pulverize coal fly ash and alkali and high temperature plasticizing the resultant product of the coal fly ash and the alkali. CONSTITUTION: A manufacturing process of amorphous silica alumina catalysts for pyrolyzing waste plastic using coal fly ash includes the following steps: coal fly ash and alkali are pulverized using a fine pulverizer; the primarily pulverized fly ash and alkali is primarily plasticized; the primarily plasticized product is secondarily pulverized; the secondarily pulverized product is washed; and the washed product is secondarily plasticized to obtain amorphous pyrolysis catalyst. [Reference numerals] (AA) Primary pulverizing process; (BB) Primary high temperature plasticizing process; (CC) Secondary pulverizing process; (DD) Coal fly ash, alkali; (EE) Ammonium chloride supplying bath; (FF) Raw material supplying unit; (GG) Dehydrated liquid; (HH) Solid-liquid separator; (II) Completely filtered product; (JJ) Amorphous silica alumina catalyst; (KK) Secondary high temperature plasticizing process; (LL) Supplementary water supplying bath; (MM) Supplementary water supplying pump; (NN) Washing process; (OO) Circulating pump; (PP) Acid; (QQ) Draining; (RR) Adjusting bath; (SS) Exhausting pump