Abstract: <SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">An absorbent for phosphate radicals has been prepared with ferric trichloride and ammonia,which is an inorganic hydrous oxide.In experiment,preparation of the absorbent,adsorption process to phosphate radicals,and regeneration were studied and discussed.Influences of various factors,such as concentration of ferric trichloride solution,aging time,neutralization time,adsorption time,particle size of absorbent,adsorption temperature,pH,initial concentration of phosphate solution,and phosphate solvent dosage on adsorptive capacity,were discussed.Results indicated that the absorbent</SPAN><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">′</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">s maximum removing rate of phosphate radicals reached above 93%.Furthermore,regeneration condition was simple and regeneration effect was good. </SPAN>