1.biodiesel recycling machine from black oil 2 easy to operate 3.recovery ... manufacture JNC-10 china biodiesel recycling machine from black oil 1, overview This machine can be used in black engine ... remove residue from the tank of bottom, then this machine can be used again.2,Systems of equipmentl Reaction tank ... ,Index of oil after treatment:l diesel oil : 84-86%,l gasoline oil: 5-6%,l oil residue: 6- ...