ࡱ> hjg'` RFbjbj$$2rFF3:::::::N8LZN$"///$ $ $ $ $ $ $$%h(>D$9:+/D$::}$!!! ::$!$!!::! pFt=!"$0$![(R!^[(![(:!H/L{6!,///D$D$!"///$NNNRNNNRNNN:::::: allpYtb/g\lltSallpYtϑs^a0all:gh14lYv9eۏNallpYt]zv[te'`I{Q*NۏLNRekvc v^Nb/g0~NmTsXI{ebcQNallpYtb/g(W^:W-NvU\g0{:N allpYtb/g/falle[SYtv͑b/gKbkTO N_wNQNXvEQRsQl0 [sQ.͋]all; p; qp; U\g Problem worthy of attention and Prospect of Sludge heat treatment Yu rui, Xin lingling,Wang feifei HangZhou Municipal Construction and Science Institute Zhejiang Libo Environmental Engineering CO.LTD. [Abstract]This article has disscused processing technic of high temperature incineration and low temperature thermal decomposition of sludge, including dioxins formation in thermal environment, prevention measure against bonding during sludge heat drying and off-gas treatment, energy self-sustaining equilibrium condition during sludge heat processing, modification of sludge mechanical dehydration facility as well as completeness of sludge heat processing. It also gave the market prospect of sludge heat processing from technic, economic and environmental aspect respectively. The author believes that sludge heat treatment is an important technology and safeguards for sludge innocent treatment and worthy the attention of professionals. 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