Wastewater disinfection with peracetic acid

过氧乙酸废水消毒

• 批准号: 499482-2016
• 负责人: Örmeci, Banu
• 金额: $ 1.82万
• 依托单位: Carleton University
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2016
• 资助国家: 加拿大
• 起止时间: 2016-01-01 至 2017-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=607474
• 关键词: Wastewater; disinfection; peracetic; acid

Chlorine is currently the most widely used disinfectant in Canada. Residual chlorine is toxic to aquatic ecosystems and chlorinated by-products that form after chlorine disinfection have been shown to cause adverse health effects. There is a need for alternative chlorine-free disinfectants and peracetic acid is one of the main candidates. The goal of this research is to investigate and compare the performance of two Evonik peracetic acid products (PERACLEAN 15 and PERACLEAN 22) for disinfection of wastewater and inactivation of E. coli and enteric viruses (Coxsackievirus). The research will also investigate the sequential use of PAA with ultraviolet disinfection and its effect on the overall disinfection performance. In addition, changes in wastewater quality and residual PAA concentrations remaining in wastewater will be determined.

氯是目前加拿大使用最广泛的消毒剂。余氯对水生生态系统是有毒的，氯气消毒后形成的氯化副产品已被证明会对健康造成不利影响。需要替代的无氯消毒剂，过氧乙酸是主要候选消毒剂之一。本研究的目的是调查和比较两种Evonik过氧乙酸产品(PERACLEAN 15和PERACLEAN 22)在废水消毒和对大肠杆菌和肠道病毒(柯萨奇病毒)灭活方面的性能。研究还将调查PAA与紫外线消毒的顺序使用及其对整体消毒性能的影响。此外，还将确定废水水质的变化和废水中残留的PAA浓度。