The treatment of the industrial wastewater containing fluorine and phosphor was examined

and the process was advanced.The pH value of the contaminated water containing fluorine and phosphor is below 3

and it is the typical acid wastewater.The lime neutralization process was showed.Firstly

a mixture of lime was used to increase the pH of the polluted water to 11.5 ～8.0.Secondly

a predetermined excess amount of calcium chloride was added to precipitate only the fluorine ion and phosphate ion.Thirdly

the hydrochloric acid was use to decrease the pH of the polluted water to 6.0～9.0.Because the process of the lime neutralization was very slow

the high pressure water was used to flush the pipes to get rid of the incrustation.Then the ceramic particle filter was used to remove the fluoride completely.The treatment process of the industrial wastewater containing fluorine and phosphor was discussed which can be a guideline for practical engineering.