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has been cited by the following article:

• TITLE: Overview of Bio-Oil from Sewage Sludge by Direct Thermochemical Liquefaction Technology

  AUTHORS: Jing Liu, Xiaoxiong Zhang, Guanyi Chen

  KEYWORDS: Bio-Oil; Direct Thermochemical Liquefaction; Sewage Sludge

  JOURNAL NAME: Journal of Sustainable Bioenergy Systems, Vol.2 No.4, December 27, 2012

  ABSTRACT: Sewage sludge is an unavoidable secondary pollution produced in the process of sewage treatment. At present traditional methods of treating sludge (e.g. landfill, incineration or land application) have some disadvantages and shortages. Direct thermochemical liquefaction of sludge is a new treatment method, which has the advantage of both treatment and energy recovery. Research progress and application prospect of sludge liquefaction technology are widely reported, typical liquefaction process with bio-oil production and its main influencing factors are introduced. Besides, the devel- opment of this process is illustrated, and resource and energy recovery of this technology are pointed out to be the ten- dency of sludge treatment in the future.