Abstract ：This paper mainly introduced the classification of sludge, nature, treatment and sludge reuse and preparation methods of activated carbon adsorbent and its application status，On this basis we carried out the preparation of activated sludge and their performance testing. Although the iodine value was not measured, we carried out a series of analysis and took a summary, Mainly it is caused by lack of analysis of sludge characteristics, operation and other non-standard.
