Daily question [20091223-1224] Sewage treatment judgment question

Thread Content

This post was last edited by zfc318 on 2009-12-23 11:18. Currently, all members have the permission to use hidden replies. Please cooperate actively. In principle, no rating will be given if it is not hidden. Thank you all! Click here to hide the method: Hiding method 1. The main function of the primary sedimentation tank is to remove floating objects and large particulate matter 2. When the air flotation tank is operating normally, a system of scraping slag every 2-4 hours should be established. 3. The safe operating system is not the most important in the wastewater treatment management system 4. The thicker the biofilm in the biochemical tank, the better the water treatment effect will be. 5. When the aeration tank is filled with water, it does not matter whether the drainage pipe valve is closed or not. Everyone is welcome to actively participate. In principle, each question will cost 3 coins. Those who answer all questions correctly will receive 15 Wealths. Some of the correct answers will be scored according to the number of correct answers, with a minimum of 5 Wealths! illustrate: Scores will be given and answers will be announced after the topic is closed. Friends in the environmental protection industry and those interested in this industry are encouraged to participate. Plagiarism and repeated posting are strictly prohibited, and points will be deducted for violators!