WANG Jun,HUANG Ning-jun.Design of Iron and Manganese Removal Process in Fengxi Emergency Water Supply Plant in Xixian New District[J].China Water & Wastewater,2020,36(22 22):121-124.
Design of Iron and Manganese Removal Process in Fengxi Emergency Water Supply Plant in Xixian New District
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第36卷
Number:
22 22
Page:
121-124
Column:
Date of publication:
2020-11-17
- Abstract:
- In order to solve the contradiction between the water consumption and the existing water supply capacity in Fengxi New Town, Xixian New District, Shaanxi Province, and to establish a good regional water supply system, the Fengxi emergency water supply plant in Xixian New District was built. The treatment capacity of the project was 42 000 m3/d. In view of the excessive content of iron and manganese ions in raw water, the treatment process of chemical assisted oxidation with potassium permanganate+drop aeration oxidation+composite manganese sand filtration was adopted. This process has the characteristics of chemical oxidation and contact oxidation to remove iron and manganese. In addition, the LID design of sponge city was adopted in the plant to realize the recycling of rainwater. The total investment of the project was about 94.33 million yuan, and the operating cost was 1.36 yuan/m3. The actual operation showed that the operation performance of the system was good, the effluent quality was better than the national standard, and the project had good social and economic benefits.
Last Update:
2020-11-17