职业资格
Registered Environmental Protection Engineer
注册环保工程师
考核污染治理工程设计、环境影响评价与规范，适合环保工程设计与技术人员。
Choose your level
Each level focuses on different material and is drawn from the matching difficulty band. Pick "All" to practise the full bank.
All 300 questions free · no sign-up · explained
A sample question · with answer and explanation
某城镇污水处理厂采用A²/O工艺，进水碳氮比偏低导致脱氮效果差，设计改造时最宜优先考虑的措施是
AI explanation知识点：A²/O工艺低C/N比脱氮改造。正确项对：设置预缺氧池可利用原水碳源进行反硝化，必要时投加外碳源，是低C/N比脱氮的常用改造思路。错误项1错在提高好氧池DO至4mg/L以上会加剧碳源消耗且不解决碳源不足，还可能破坏缺氧环境。错误项2错在缩短污泥龄会淘汰硝化菌，反而削弱脱氮。错误项3错在剩余污泥回流至厌氧池不提供有效碳源，还会带入内源代谢产物影响释磷。
About the Registered Environmental Protection Engineer exam
- Issuing body住房和城乡建设部门、人力资源和社会保障部门
- Choose your level一级 / 二级
- Question bank300 questions online (growing)
- Practice modesSequential practice, mock exam, flash review, mistake drills
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