CAJ | 학술논문

以人工配制无机高氨氮废水为进水，通过接种CANON污泥，研究了改性聚乙烯填料CANON反应器的启动过程。为避免初期溶解氧的抑制作用，启动采用先厌氧后好氧的方式，以加速ANAMMOX细菌的增殖。首先，在室温[(20±5)℃]、厌氧条件下，历经300 d依然不能启动厌氧氨氧化，TN去除负荷仅为0.12 kg·(m3·d)-1；当提高温度至30℃后，30 d后，TN的去除负荷达到0.23 kg·(m3·d)-1；改为好氧条件后，经过38 d后，TN的去除负荷达到1.01 kg·(m3·d)-1，TN去除率达到77.61%，3δNO--N/δTN的平均值为0.122，接近理论值0.127，表明CANON反应器的脱氮效果良好，短程硝化稳定。通过分析认为，采用先厌氧后好氧的方式启动，并没有达到加速培养ANAMMOX细菌的预期目的，改性聚乙烯填料不适用在厌氧条件下培养ANAMMOX细菌。改性聚乙烯填料CANON反应器启动成功后，需要的曝气量少，但运行不易稳定，应对于CANON反应器形式予以改进，建议将改性聚乙烯填料结合UASB反应器采用，使污泥免于流失。
이인공배제무궤고안담폐수위진수，통과접충CANON오니，연구료개성취을희전료CANON반응기적계동과정。위피면초기용해양적억제작용，계동채용선염양후호양적방식，이가속ANAMMOX세균적증식。수선，재실온[(20±5)℃]、염양조건하，력경300 d의연불능계동염양안양화，TN거제부하부위0.12 kg·(m3·d)-1；당제고온도지30℃후，30 d후，TN적거제부하체도0.23 kg·(m3·d)-1；개위호양조건후，경과38 d후，TN적거제부하체도1.01 kg·(m3·d)-1，TN거제솔체도77.61%，3δNO--N/δTN적평균치위0.122，접근이론치0.127，표명CANON반응기적탈담효과량호，단정초화은정。통과분석인위，채용선염양후호양적방식계동，병몰유체도가속배양ANAMMOX세균적예기목적，개성취을희전료불괄용재염양조건하배양ANAMMOX세균。개성취을희전료CANON반응기계동성공후，수요적폭기량소，단운행불역은정，응대우CANON반응기형식여이개진，건의장개성취을희전료결합UASB반응기채용，사오니면우류실。
A CANON reactor with modified polyethylene carrier was started up by seeding sludge from another mature CANON reactor and using artificial inorganic ammonia-rich waste water as influent. To accelerate ANAMMOX bacteria cultivation, the start-up was under anaerobic conditions first to avoid dissolved oxygen inhibition on ANAMMOX bacteria, and then under aerobic conditions. The reactor was first under anaerobic conditions to start ANAMMOX process at room temperature [(20±5)℃] in first 300 days, however, total nitrogen removal load was only 0.12 kg·(m3·d)-1, which meant failure of ANAMMOX. When temperature was increased to 30℃, 30 days later, total nitrogen removal load was up to 0.23 kg·(m3·d)-1. Then anaerobic conditions was changed to aerobic conditions, and total nitrogen removal load was up to 1.01 kg·(m3·d)-1, while nitrogen removal efficiency was 77.61%, and average variation ratio of nitrate and nitrogen (3δNO--N/δTN) was 0.122, close to theoretical value 0.127, showing both good stability of nitritation and good nitrogen removal. Adopting the way of anaerobic stage first and then aerobic stage could not accelerate ANAMMOX bacteria cultivation as expected, and modified polyethylene carrier was not a suitable carrier to start ANAMMOX process under anaerobic conditions. However, once the reactor was successfully started up, aeration could be saved, though it might perform unstably. Modified polyethylene carrier was suggested to combine with UASB reactor to keep bacteria.