FRACTIONATION AND CHARACTERIZATION OF DISSOLVED ORGANIC MATTER DERIVED FROM SEWAGE SLUDGE AND COMPOSTED SLUDGE

摘要

Dissolved organic matter (DOM) is an important component affecting the availability of heavy metals in sludge-amended soils. In this study, DOM derived from anaerobically digested dewatered sludge and sludge compost were fractionated by a macroreticular exchange resin, and characterized by Fourier Transform-Infrared spectroscopy (FT-IR) technique to evaluate their potential effects on soil metal mobility.