<![CDATA[Ferralsol is tropical type land, which exploited as rice field farm and plantation. Other benefit which can be taken away from this ferrasol if burned hence will be able to make liquid cleaner material. Composition of ferralsol is ferralsol orthic and ferralsol plinthic. If burned is good for purification liquid material, inorganic and also organic material. In this research result of combustion from ferralsol, used to make clear ex- cooking oil. Result of which scored a number of peroxide go down 12,75 %, number of acid also go down 8,33 %,  by ferralsol, and a number of peroxide go down 19,45 %, number of acid also go down 10,42 % by burning ferralsol  but with both ex- cooking oil color become clear progressively.  Keyword: ferralsol, liquid cleaner material]]>
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