Study results showed that concentrations in the range of 50-200 ppm of rice husk charcoal type 2, 5 and 6 are effective in eliminating a host of good dye through the highest, as well as add aren charcoal kamman commercial.
The results showed that the concentration in the range 50-200 ppm of pyrolysis type 2, 5 and 6 are effective in removing dye Aki Dean Orientist paid up as well as activated carbon negative. trade
The results showed that the concentration in the range of 50-200 ppm rice husk charcoal type, and 2 5 6 effective in removal of dye อะคิ Dean's เร็นจ maximum as well as commercial activated carbon