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Hydrothermal Carbonization of Nonylphenol Ethoxylates Waste Liquid for Energy Source Generation
College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, China
College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, China
College of Environmental Science and Engineering, Donghua University, Shanghai, China
College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, China
- 1 College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, China
- 2 College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, China
- 3 College of Environmental Science and Engineering, Donghua University, Shanghai, China
- 4 College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, China
American Journal of Analytical Chemistry·Volume 06 (2015)·Pages 1059–1066·Published 2 December 2015·DOI10.4236/ajac.2015.613101
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Abstract
Nonylphenol polyethoxylates (NPEOs) are widely used as nonionic surfactants in many industry fields. High concentration NPEOs waste water is produced in some production processes. It is often treated to realize reduction by distillation. Therefore, NPEOs waste liquid with higher concentration is produced and it is difficult to be treated by traditional water treatment process. In this study, hydrothermal carbonization process was used to convert NPEOs waste liquid to carbonaceous product (hydrochar) with sulfuric acid as additive in 24 h at 200°C. The hydrochar was characterized by scanning electron microscope, Fourier-transform infrared spectrometer and thermogravimetric analysis. The element composition and the high heat value of the hydrochar were similar to lignite, showing that it could be used as an alternative fuel.
KeywordsNonylphenol PolyethoxylatesHydrothermal CarbonizationHydrocharAlternative Fuel
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