CHENGWen,JIANGLan-lan,GENGZhen,et al.Engineering Design of Sludge Resource Utilization in Taiyuan Municipal Wastewater Treatment Plant[J].China Water & Wastewater,2022,38(24):72-75.
Engineering Design of Sludge Resource Utilization in Taiyuan Municipal Wastewater Treatment Plant
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第38卷
Number:
第24期
Page:
72-75
Column:
Date of publication:
2022-12-17
- Abstract:
- The sludge centralized treatment project of municipal wastewater treatment plants in Taiyuan mainly treats dewatered sludge with water content of 80% from wastewater treatment plants in the main urban area. The short-term design scale is 500 t/d, and the long-term design scale is 700 t/d. The characteristics of sludge from different batches were analyzed. According to the basic characteristics of the sludge, such as easy hydrolysis and wall breaking under alkaline condition, high content of nitrogen and phosphorus, a combined treatment process consisting of alkaline thermal hydrolysis, plate and frame dewatering, MVR and fertilizer production was innovatively proposed. The process realized reduction and hazard-free treatment of the sludge, produced two kinds of products (solid fertilizer and liquid fertilizer) which met different market demands, and completely solved the final disposal problem of the sludge.
Last Update:
2022-12-17