污水处理厂三级处理精确投药系统运行效果分析  

ANALYSIS OF RUNNING PERFORMANCE OF PRECISE DOSING SYSTEM IN TERTIARY TREATMENT PROCESS OF A WASTEWATER TREATMENT PLANT

作　　者：郭玉梅 刘波 郭昉 吴毅晖 潘国强 周平 林阳 李志平 GUO Yu-mei, LIU Bo, GUO Fang, WU Yi-hui, PAN Guo-qiang, ZHOU Ping, LIN Yang, LI Zhi-ping(Kunming Dian Chi Water Group Co. , Ltd, Kunming 650000, China)

机构地区：[1]昆明滇池水务股份有限公司,昆明650000

出　　处：《环境工程》2018年第9期26-29,共4页Environmental Engineering

基　　金：国家水体污染控制与治理科技重大专项(2012ZX07302002)

摘　　要：以处理规模为21×10~4 m^3/d的污水处理厂三级深度除磷系统为研究对象,利用精确投药系统对其进行升级改造。该污水处理厂进水ρ(TP)为4.41～10.86 mg/L,平均浓度为7.15 mg/L。三级处理Al_2O_3实际投药量平均约为4.28 mg/L,约为理论投药量的6.3倍。改造完成后使用精确投药系统,污水处理厂三级处理系统投药量相比未使用精确投药系统,PAC投药量降低10.5%,出水TP浓度降低约20%,运行成本每年可节约39万元,取得较好的运行效果。A precise dosing system was applied to the tertiary treatment process of a wastewater treatment plant （WWTP） with the capacity of 21 ~ 104 m3/d for upgrading its performance. The influent TP concentration of the WWTP varied in the range of 4.41 ~ 10. 86 mg/L, and its average concentration was 7. 15 mg/L. The actual average dosage of AI2O3 was 4. 28 mg/L for the tertiary treatment process, which was about 6. 3 times of the theoretical dosage. After applying the precise dosing system in WWTP, the dosage for the tertiary treatment system was reduced by 10. 5% , and the effluent TP concentration was reduced by 20%. The operation cost could be saved by 390,000 Yuan annually, and better system performance could be achieved.

关 键 词：污水处理 三级处理 精确投药系统 化学除磷 

分 类 号：X703[环境科学与工程—环境工程]