Wood extractive brings more difficulties on the treatment of polluting wastewater from wood industry and paper mill, Therefore, many enterprises have to raise pretreated procedure of wood chips of papermaking to decrease the disadvantageous impacts from wood extractive. However, wastewater from wood chip pretreatment becomes a difficult and urgent issue. Eucalyptus camaldulensis has been widely planted in South China and mainly used as wood chips of papermaking. In order to better recover and utilize the pretreatment wastewater of E. camaldulen...