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2009273 
Journal Article 
Hydrothermal Carbonization of Typical Components of Kitchen Garbage 
Wu, QF; Zhang, FuS; Hao, J 
2010 
188-192 
WOS:000289218300042 
Various special carbonous materials (microsphere, nano-fiber and sponge-like porous carbon) were successfully synthesized via hydrothermal carbonization (HTC) process by using typical components of kitchen garbage such as raw materials, NaCl, citric acid and Fe(NO(3))(3) were employed as activators and catalysts. The obtained carbonous materials were characterized by XRD, SEM, TEM, FT-IR and other analysis. The results showed that both precursor and additive greatly affected the structural and chemical properties of the final carbonized products. Additives have significantly increased the carbon yields and nitrogen content in the final products, and also stabilized the surface of the nano-particles. Surface stabilizer, lipid and protein contained in the raw materials had crucial influences on the surface morphologies of the nano-particles. In addition, a hybrid compound of Fe(3)O(4)@C was synthesized by HTC of soybean in the presence of Fe(NO(3))(3). The novel product contained a large number of reactive oxygen and nitrogen functional groups on the surface, hence a good magnetic absorbent for water purification. Accordingly, it is believed that HTC process developed in the present study is an effective way for kitchen waste treatment, and is also a promising candidate for synthesis of novel carbon-based materials. 
hydrothermal carbonization; kitchen garbage; hybrid compound