WU Yan-cheng,GU Xin,ZHU Ji-tao,et al.Research Advances of Biological Nitrogen Removal from Wastewater via Fe(Ⅲ) Reduction Coupled to Anaerobic Ammonium Oxidation (Feammox) Process[J].China Water & Wastewater,2020,36(18):38-44.
鐵氨氧化污水生物脫氮技術(shù)的研究進(jìn)展
- Title:
- Research Advances of Biological Nitrogen Removal from Wastewater via Fe(Ⅲ) Reduction Coupled to Anaerobic Ammonium Oxidation (Feammox) Process
- 關(guān)鍵詞:
- 生物脫氮; 鐵氨氧化; 反應(yīng)機(jī)制; 研究進(jìn)展
摘要:- 近年來新發(fā)現(xiàn)的鐵氨氧化過程（Feammox）能夠在厭氧條件下以三價鐵離子［Fe（Ⅲ）］為電子受體將銨根離子（NH4+）直接氧化為氮?dú)猓∟2）、硝酸根（NO3-）或亞硝酸根（NO2-），能夠耦合厭氧氨氧化過程、反硝化過程或鐵鹽反硝化（NDFO）過程完成污水生物脫氮。鐵氨氧化相比傳統(tǒng)硝化反硝化過程具有諸多優(yōu)點，如不需要有機(jī)碳源、無需曝氣、對重金屬有更高的耐受力等。對鐵氨氧化的發(fā)現(xiàn)過程、反應(yīng)機(jī)制、菌種分布及其在污水生物脫氮領(lǐng)域的應(yīng)用進(jìn)行了綜述，并在對鐵氨氧化脫氮研究現(xiàn)狀進(jìn)行深入分析的基礎(chǔ)上，指出了鐵氨氧化工藝面臨的挑戰(zhàn)和可能的研究方向。
Abstract:- Recently, the newly discovered Fe(Ⅲ) reduction coupled to anaerobic ammonium oxidation (Feammox) process, which can convert ammonium (NH4+) to N2, nitrate (NO3-) or nitrite (NO2-) with Fe(Ⅲ) as the electron acceptor under anaerobic conditions, can fulfill the biological nitrogen removal by combining with ANAMMOX process, traditional denitrification process or nitrate-dependant Fe(Ⅱ) oxidation (NDFO) process. Compared with the traditional denitrification, there are lots of advantages of Feammox process, such as needlessness of organic carbon source and aeration, higher tolerance to heavy metals. The discovery, the mechanism, the strain distribution and its application in biological nitrogen removal from wastewater were reviewed. Furthermore, based on the in-depth analysis of the Feammox process, the challenge faced and the possible research directions of the Feammox process were proposed.
相似文獻(xiàn)/References:
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