化学混凝处理酿造废水强化生物除磷工艺

doi:10.13438/j.cnki.jdzk.2025.01.008

吉首大学学报（自然科学版） ›› 2025, Vol. 46 ›› Issue (1): 51-57.DOI: 10.13438/j.cnki.jdzk.2025.01.008

化学混凝处理酿造废水强化生物除磷工艺

王梓妍，周智萱，胡文勇，周瑜

(吉首大学生物资源与环境科学学院，湖南吉首 416000)

出版日期:2025-01-01 发布日期:2025-01-20
基金资助:
湖南省大学生创新创业训练项目（3224018）；高层次人才引进科研启动项目（1122005）

Enhanced Biological Phosphorus Removal Process in Chemical Coagulation Treatment of Brewery Wastewater

WANG Ziyan,ZHOU Zhixuan,HU Wenyong,ZHOU Yu

(School of Biological Recourse and Environmental Science,Jishou University,Jishou 416000,Hunan China)

Online:2025-01-01 Published:2025-01-20

摘要/Abstract

摘要：在优化复合药剂（聚合氯化铝（PAC）+聚合氯化铁（PFC）+聚丙烯酰胺(PAM)）投加位点的基础上，考察了关键因素（进水TP质量浓度、pH值和Al，Fe，P物质的量之比）对PAC+PFC+PAM组合强化出水除磷效能的影响，并结合XRD物相分析，初步探讨了PAC+PFC+PAM的除磷机理.结果表明，曝气生物滤池（BAF）池出水点为PAC+PFC+PAM最佳投加位点；BAF池出水最优除磷工艺条件为pH值8.0，n(Al)∶n(Fe)∶n(P)=0.76∶0.50∶1.00，最优工艺条件下的TP去除率为98.72%，且除磷效率不受进水TP质量浓度变化的影响，出水TP质量浓度低于2.0 mg/L；PAC+PFC+PAM化学除磷的沉淀物中的主要成分为FerPO₄(OH)_3r-3和Al(OH)₃.

关键词： 酿造废水, 化学混凝, 总磷, 混凝剂

Abstract: On the basis of optimizing the dosage sites of composite chemicals (PAC+PFC+PAM),the total phosphorus (TP) removal efficiency was investigated with different pH,initial TP concentrations,Al，Fe，P molar ratio.Combined with the XRD phase analysis.The phosphorus removal mechanism of PAC+PFC+PAM was preliminary explored.The results show that the outlet point of BAF tank was the best adding point of PAC+PFC+PAM.The n(Al)∶n(Fe)∶n(P)=0.76∶0.50∶1.00,and the pH was 8.0.The TP removal efficiency was 98.72%.Moreover,the TP removal efficiency was hardly affected by the change of TP concentration of the influent water.The TP content of the effluent water was lower than 2.0 mg/L.In addition,the XRD results showed that the main components of the precipitates were FerPO₄(OH)_3r-3 and Al(OH)₃.

Key words: brewing wastewater, chemical coagulation, total phosphorus, coagulant

王梓妍, 周智萱, 胡文勇, 周瑜. 化学混凝处理酿造废水强化生物除磷工艺[J]. 吉首大学学报（自然科学版）, 2025, 46(1): 51-57.

WANG Ziyan, ZHOU Zhixuan, HU Wenyong, ZHOU Yu. Enhanced Biological Phosphorus Removal Process in Chemical Coagulation Treatment of Brewery Wastewater[J]. Journal of Jishou University(Natural Sciences Edition), 2025, 46(1): 51-57.

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化学混凝处理酿造废水强化生物除磷工艺

Enhanced Biological Phosphorus Removal Process in Chemical Coagulation Treatment of Brewery Wastewater

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