Abstract
Biodiesel fuel (BDF) is expected to alternatives for diesel. This conventional purification with water washing had problem of wastewater treatment. We have sutudied an anhydrous purification method. This bubble striping system removes methanol, after that it removes imprurities in de-methanol BDF used for diatomaceous earth filter and activated clay column. It was cleared the JIS standards on the results in the component analysis of the purified BDF. And so, it was compared with Kasugai city and Kyoto city to calculate of the recovery rate of used cooking oil. It was concluded to be able to recover more used cooking oil in Kasugai city, because of this geographic information system (GIS) analysis in details.