METHOD AND APPARATUS FOR PRODUCING BIODIESEL FUEL OIL AND ADSORBENT-PACKED COLUMNS TO BE USED THEREIN

摘要

A production apparatus for producing a biodiesel fuel oil provided therein with a heater for heating a starting oil, comprising: a heating tank in which an outlet port for the starting oil is formed; an exchangeable first treating column; a reaction tank provided therein with an agitator, a catalyst-pooling tank which is connected to the above-described reaction tank and from which a lower alcohol solution containing an alkali catalyst dissolved therein is supplied to the above-described reaction tank; a three-way valve which is connected to the outlet port for the liquid reaction mixture in the above-described reaction tank; and an exchangeable second treating column in which an inlet port and an outlet port are formed respectively in the upper and lower parts, wherein the first treating column as described above is packed with an acid adsorbent and a moisture absorbent while the second treating column as described above is packed with a base adsorbent and a moisture absorbent.