[Nitritation Performance of Zeolite Moving Bed Biofilm Reactor for Ammonium Wastewater Treatment]

Autor: Cui-Lan, Deng, Lu, Guo, Xiao-Jun, Wang, Zhen-Guo, Chen
Rok vydání: 2022
Předmět:
Zdroj: Huan jing ke xue= Huanjing kexue. 43(1)
ISSN: 0250-3301
Popis: A new type of zeolite-suspended packing was developed by using zeolite as an important raw material, which was then used to start the zeolite moving bed biofilm reactor (ZMBBR). ZMBBR was compared with the ceramsite moving bed biofilm reactor (CMBBR) packed with ordinary ceramsite-suspended packing to investigate the different nitritation performance. The results showed that stable nitritation was successfully achieved in two reactors by the inhibitory effect of free ammonia (FA), and both of their nitrite accumulation rates (NAR) reached 90%; due to the adsorption of zeolite to ammonium, ZMBBR relieved the inhibition of FA on AOB faster than CMBBR and achieved nitritation earlier; CMBBR and ZMBBR could maintain long-term stable nitrosation when
Databáze: OpenAIRE