This study used the sedimentation method to purify used cooking oil. To aid the sedimentation method, activated carbon and clay soil was also used. Clay soil, also known as “heavy soil” was used in the sedimentation method since it absorbs and retains more components and substances
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This study used the sedimentation method to purify used cooking oil. To aid the sedimentation method, activated carbon and clay soil was also used. Clay soil, also known as “heavy soil” was used in the sedimentation method since it absorbs and retains more components and substances