中国资源综合利用2025，Vol.43Issue(7)：18-22,5.DOI:10.3969/j.issn.1008-9500.2025.07.06
中水水源循环水排污水难降解有机物去除的试验研究
Experimental Study on Removal of Recalcitrant Organic Compounds in Wastewater Discharged from Recirculating Water in Reclaimed Water Source
张丽新 1许俊 1李子昂 1李瑞瑞 2谢宙桦 2付钦学 1曾宪平 1雷苏雨1
作者信息
- 1. 国能神华九江发电有限责任公司,江西 九江 332000
- 2. 西安热工研究院有限公司,西安 710054
- 折叠
摘要
Abstract
In order to actively promote the reuse of wastewater resources,power plants are gradually adopting urban reclaimed water as a supplementary water source for the circulating water system.After reducing the amount of wastewater discharged from circulating water,it is reused,however,its water quality is poor,with high hardness,alkalinity,and recalcitrant organic compounds content,without pretreatment,it can lead to scaling and severe fouling in the membrane treatment system,seriously affecting the safe and stable operation of the system.At present,conventional biological treatment processes have poor removal efficiency for recalcitrant organic compounds in reclaimed water.The Fenton advanced oxidation method is used to effectively remove recalcitrant organic compounds from the wastewater of recycled water sources,with a focus on studying the optimal process conditions for the main influencing factors.The test results show that the pH value of wastewater before reaction is about 4,the dosage of H2O2 is 2 mL/L,the dosage of FeSO4·7H2O is 0.90 g/L,the total reaction time is controlled at 1.5 h,and the reaction temperature is controlled at 35℃,when the pH value of wastewater is adjusted to 5 after reaction,the concentration of Total Organic Carbon(TOC)in the supernatant after treatment is 12.38 mg/L,and the removal rate is as high as 67.08%,which can meet the requirements of influent water quality of membrane system.After calculation,the cost of the pre-treatment process per ton of water chemicals is approximately 0.94 yuan/t,which has good economic and environmental benefits.关键词
循环水排污水/芬顿氧化法/中水/难降解有机物Key words
wastewater discharged from recirculating water/Fenton oxidation method/recycled water/recalcitrant organic compounds分类
资源环境引用本文复制引用
张丽新,许俊,李子昂,李瑞瑞,谢宙桦,付钦学,曾宪平,雷苏雨..中水水源循环水排污水难降解有机物去除的试验研究[J].中国资源综合利用,2025,43(7):18-22,5.
