摘要
国家环保对总氮去除要求的提标,使部分单位现有的污水处理工艺不能满足要求,作为一项生物强化技术的微生物反硝化菌种得到应用。15 d的现场使用结果表明:在没有严格意义上的脱氮工艺的条件下,通过现场工艺调整,在炼油含盐废水中投加反硝化菌,7 d内能成功建立反硝化系统,后期的总氮去除率稳定在60%以上。
The national environmental protection standard for total nitrogen removal is required,while the existing wastewater treatment processes in some units can't meet the requirements. Microbial denitrifying strain is applied as a bioaugmentation technology. The 15 days of field application results showed that under the condition of no strict denitrification process,the denitrifying bacteria could be added to the salt waste water in the refinery by on-site process adjustment; the denitrification system could be successfully built within 7 days and the total nitrogen removal rate in the later stage was more than60%.
出处
《石油化工安全环保技术》
CAS
2018年第1期47-48,共2页
Petrochemical Safety and Environmental Protection Technology
关键词
反硝化菌
总氮去除
炼油废水
Denitrifying bacterium
Total nitrogen removal
Refinery wastewater
