Abstract

Biochar is environmental friendly materials that can be used for environmental protection. In the research, the application of biochar for phosphate adsorption and recovery from wastewater was examined. The material surface characterization analysis, include Transmission Electron Microscope with energy dispersive X-ray spectroscopy and Fourier Transform Infrared spectroscopy, was performed to characterize the prepared biochar. The application analysis, include optimal solution pH and interfering ions effect, was performed for phosphate adsorption and recovery from wastewater. The research conclusions were drawn as follow: (1) material surface characterization demonstrated the prepared biochar was coarse, unshaped, irregular, and contained a great deal of carbon; (2) application analysis indicated biochar adsorption amount for phosphate was decrease with an increase in solution pH, and biochar adsorption amount for phosphate was also decrease with an increase in interfering ions concentration.

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