Nitrogen Removal in Wastewater Treatment Using the Nitrite Pathway

使用亚硝酸盐途径去除废水处理中的氮

• 批准号: ARC : DP0210502
• 负责人: Dr Zhiguo Yuan
• 金额: $ 24.8万
• 依托单位: The University of Queensland
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2002
• 资助国家: 澳大利亚
• 起止时间: 2002-01-01 至 2005-12-31
• 项目状态: 已结题
• 来源: https://researchdata.edu.au/nitrogen-removal-wastewater-nitrite-pathway/65495
• 关键词: Nitrogen; Removal; Wastewater; Treatment; Using

Nitrogen Removal in Wastewater Treatment Using the Nitrite Pathway. Nitrogen removal from our wastewater is becoming very important in most parts of Australia to protect our unique aquatic environment. This removal is achieved biologically through two steps: Nitrification converts ammonium via nitrite to nitrate; and denitrification converts nitrate via nitrite again to harmless nitrogen gas. This project aims to develop a method that allows this process to go just via nitrite, instead of nitrate, to nitrogen gas. This would significantly reduce oxygen and/or carbon requirement in nitrogen removal. If successful, the new operating method will allow modern wastewater treatment plants to achieve a better effluent quality at lower costs.

亚硝酸盐途径在污水处理中的脱氮作用。在澳大利亚大部分地区，从废水中去除氮对于保护我们独特的水生环境变得非常重要。这种去除是通过两个步骤生物实现的：硝化作用通过亚硝酸盐将铵转化为硝酸盐；反硝化作用通过亚硝酸盐将硝酸盐再次转化为无害的氮气。这个项目旨在开发一种方法，使这个过程只通过亚硝酸盐，而不是硝酸盐，到氮气。这将显著减少除氮过程中的氧和/或碳需求。如果成功，新的操作方法将使现代污水处理厂以较低的成本获得更好的污水质量。