Because of little proportion,low weight and containing rich humic matter peat is a material that have strong ability of absorbing oil. In the paper conditions and methods of purification of oil-bearing polluted water with peat are obtained from a number of tests. The results show that peat becomes estranged from water through heating and absorbs oil in the water polluted by oil.Different means of purification have different effects. Peat can absorb 5 ̄10 times as much as its own weight in the static state w...