Video to show black color diesel oil to clear color with filter tank and silica gel decolorzation

Here is the video which take at the spot, easy and fast, this is a mini filter tank for trial test before goods bleaching.
But the black oil had already turn to light color from black color
Welcome to ask silica gel to test your oil whether can bleached.
Welcome to ask any questions which you might think we can help.

• 
  6 sets of filter tanks ready
• 
  Fuel oil bleaching silica gel ready to go
• 
  29 tons of silica gel to MONGOLIA
• Merry Christmas~Wish all you have a happy and joyful day~🎄🍎🍾🎇🎉🎁