It has been more than one hundred years since surfactants were used as the main substance in soap. The usage of surfactants has been widen to all the production and economic technology fields, such as mining, foods, agriculture, forest, transportation, environment protection and drugs. Of those surfactants, most of them have been discharged into the environment. Due to the difficulty to be degraded, they were pollutants, however, they were used to remedy the polluted environments. The surfactant-enhanced re...