净水技术2024，Vol.43Issue(z2)：101-107,7.DOI:10.15890/j.cnki.jsjs.2024.s2.015
复合碳源应用于光电废水总氮提标
Application of Composite Carbon Source to Upgrading Standard for Total Nitrogen Removal in Photoelectric Wastewater
摘要
Abstract
In the process of wastewater treatment,carbon source shortage is a common problem,and artificially adding high-efficiency carbon sources plays a crucial role in improving wastewater treatment efficiency.This study explored wastewater treatment capacity of a new composite carbon source through laboratory experimentsand analyzed its main components.The results showed that this carbon source has higher pollutant removal efficiency than the traditional carbon sources such as sodium acetate,and the total nitrogen removal capacity of which reached nearly twice that of sodium acetate according to a certain proportion of dosing.For the sewage with an initial total nitrogen mass concentration of 95 mg/L and the nitrate nitrogen mass concentration of 80 mg/L,the optimal effective CODCr mass concentration of the carbon source was 800 mg/L,and the optimal treatment time was 24 h,which achieved the total nitrogen removal rate of 94.2％and the nitrate nitrogen removal rate of 93.2％,respectively.What's more,in a week of sludge acclimation,the composite carbon source presented a stable removal capacity of total nitrogen(about 92％),which indicates that the new composite carbon source has a good application prospect.关键词
复合碳源/污水处理/总氮/硝氮/反硝化Key words
composite carbon source/wastewater treatment/total nitrogen/nitrate nitrogen/denitrification分类
资源环境引用本文复制引用
童俊,齐书华,陈银霞,凌雪萍..复合碳源应用于光电废水总氮提标[J].净水技术,2024,43(z2):101-107,7.基金项目
国家自然科学基金重点项目(21736009) （21736009）
厦门市科技计划自然科学基金(3502Z20227183) （3502Z20227183）
